***LCD模式 **
本文展示了STM32 XPT2046 触摸 LCD 显示 :
内容涉及 :
内容涉及对 FSMC 的控制
SRAM 内存扩展管理
FatFs 文件系统移植
SPI函数移植过程
SPI字节数据模拟输出独写 缓存读写
USART串口的识别
IO口输入输出
按键的外部中断处理
32位数据通讯，字符串通讯，单字符通讯
完整代码 ： GIT源代码代码
[视频链接]
STM32F103 SRAM 触摸XPT2046 LCD
文章目录
- 前言
- 一、 编程要点
- 二、使用步骤
-
- --理解原理图
- （注意）Keil 配置状态
- 建立主程序 main.c
- 建立XPT2046驱动文件XPT2046_LCD_book.h
- 建立XPT2046驱动文件XPT2046_LCD_book.c
- 建立XPT2046驱动文件XPT2046_LCD_Function_book.h
- 建立XPT2046驱动文件XPT2046_LCD_Function_book.c
- 建立 LCD驱动 管理文件LCD_book.h
- 建立 LCD驱动 管理文件LCD_book.c
- 建立 LCD 绘制函数文件LCD_Draw_book.h
- 建立 LCD 绘制文件LCD_Draw_book.c
- 建立 LCD页面绘制 文件LCD_PageHtml_book.h
- 建立 LCD页面绘制 文件LCD_PageHtml_book.c
- 建立 LCD 文字库 内存管理文件fonts.h
- 建立 LCD 文字库 内存管理文件fonts.c
- 建立 SRAM 内存管理文件SRAM_book.h
- 建立 SRAM 内存管理文件SRAM_book.c
- 整改 系统文件diskio.c
- 修改头文件文件diskio.h
- 建立FatFs传输的 头文件 FatFs_book.h
- 建立FatFs传输的 头文件 FatFs_book.c
- 建立SPI传输的 头文件 SPI_book.h
- 建立SPI传输的 头文件 SPI_book.c
- 建立I2C模拟传输的 头文件 I2C_soft_book.h
前言
触摸检测的主体是型号为 XPT2046 的芯片，它接收触摸屏的 X+/X-/Y+/Y-信号进行处理，把触摸信息使用 SPI接口输出到 STM32等控制器，注意，由于控制 XPT2046 芯片的并不是 STM32 专用的硬件 SPI 接口，所以在编写程序时，需要使用软件模拟 SPI 时序与触摸芯片进行通讯。   电阻式的触摸屏结构见图 30-3。它主要由表面硬涂层、两个 ITO 层、间隔点以及玻璃底层构成，这些结构层都是透明的，整个触摸屏覆盖在液晶面板上，透过触摸屏可看到液晶面板。表面涂层起到保护作用，玻璃底层起承载的作用，而两个 ITO 层是触摸屏的关键结构，它们是涂有铟锡金属氧化物的导电层。两个 ITO 层之间使用间隔点使两层分开，当
触摸屏表面受到压力时，表面弯曲使得上层 ITO 与下层 ITO 接触，在触点处连通电路
当触摸屏被按下时，两个 ITO 层相互接触，从触点处把 ITO 层分为两个电阻，且由于ITO 层均匀导电，两个电阻的大小与触点离两电极的距离成比例关系，利用这个特性，可通过以下过程来检测坐标，这也正是电阻触摸屏名称的由来.
电阻屏两层阻性材料的两端分别接入到 XPT2046 的 X+、X-和 Y+、Y-。当要测 量 X 坐标时，STM32 通过 SPI 接口写命令到 XPT2046，使它通过内部的模拟开关使 X+、 X-接通电源，于是在电阻屏的 X 方向上产生一个匀强电场；把 Y+、Y-连接到 XPT2046 的ADC。当电阻屏被触摸时，上、下两层的阻性材料接触，在 PENIRQ 引脚产生一个中断信号，通知 STM32。该触点的电压由 Y+或 Y-(此时的 Y+Y-电阻很小，可忽略)引入到 ADC进行测量，STM32 读取该电压，进行软件转换，就可以测得触点 X 方向的坐标。同理可以 测得 Y 方向的坐标。XPT2046 输出的 ADC 电压值是 12 位的，这也是它型号中 2046 名称
一、 编程要点
(1) 编写软件模拟 SPI 协议的驱动；(2) 编写触摸芯片的控制驱动，如发送命令字，获取触摸坐标等；
(3) 编写触摸校正程序；
(4) 编写测试程序检验驱动。
二、使用步骤
–理解原理图
（注意）Keil 配置状态
我的博客这里有项目配置 设计;
点击链接
(https://blog.csdn.net/u012651389/article/details/119189949)
建立主程序 main.c
代码如下 ：
/*******************************************************************************
* @file GPIO/JTAG_Remap/main.c
* @author MCD Application Team
* @version V3.5.0
* @date 08-April-2011
* @brief Main program body
******************************************************************************
* @attention
*
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
#include "PROJ_book.h"
//SD卡及flash的根目录
#define SD_ROOT "0:"
#define FLASH_ROOT "1:"
/* 资源在SD卡中的路径 */
#define RESOURCE_DIR "0:/srcdata"
/* 资源烧录到的FLASH基地址（目录地址） */
#define RESOURCE_BASE_ADDR (4096)
/* 存储在FLASH中的资源目录大小 */
#define CATALOG_SIZE (8*1024)
/* 生成的烧录信息文件名 */
#define BURN_INFO_NAME "burn_info.txt"
/* 完整烧录信息文件名*/
#define BURN_INFO_NAME_FULL (RESOURCE_DIR "/" BURN_INFO_NAME)
/* 记录忽略的文件名 */
#define IGNORE_NAME "ignore.txt"
/* 完整忽略文件名*/
#define IGNORE_NAME_FULL (RESOURCE_DIR "/" IGNORE_NAME)
extern char src_dir[];
/* Private functions ---------------------------------------------------------*/
/**
* @brief Main program.
* @param None
* @retval None
*/
void delay(int x);
void fn_LED_Flash_Init(void);
void fn_usart_show_Init(void);
void fn_DMA_show_Init(void);
void fn_I2C_EE_Init(void);
void fn_I2C_EE_Soft_Init(void);
void fn_SPI_FLASH_Soft_Init(void);
void fn_FatFs_Document_Init(void);
void fn_SRAM_Init(void);
#define countof(a) (sizeof(a) / sizeof(*(a)))
#define _I2C_BufferSize (countof(writeData)-1)
static uint8_t writeData[_I2C_PageSize]={
4,5,6,7,8,9,10,11};
static uint8_t writeData2[_I2C_PageSize]={
24,25,26,27,28,29,30,31};
static uint8_t ReadData[_I2C_BufferSize]={
0};
#define _SPI_BufferSize SPI_PAGE_SIZE //(countof(write_SPI_Data)-1)
static uint8_t write_SPI_Data[_SPI_BufferSize]={
0};
static uint8_t Read_SPI_Data[_SPI_BufferSize]={
0};
int main(void)
{
__IO int16_t int_check;
int16_t sAD_X, sAD_Y ;
//*************系统接口初始化**************
fn_RCC_Init(); //CPU 倍频
fn_Led_Init(); //LED 输出初始化
fn_Key_Init(); //按键 输入初始化
//*************串口通讯系统初始化**************
fn_USART_Init(); //串口输出初始化
printf("\n\n\r\n********** IC系统开始运行 **********\r\n");
//*************功能系统初始化*******************
fn_LED_Flash_Init(); //RGB 输出测试
fn_usart_show_Init(); //串口输出测试
fn_EXTI_GPIO_Config(); //外部中断入口
fn_DMA_show_Init(); //初始化DMA数据链路
fn_I2C_EE_Init(); //初始化硬件I2C数据链路
fn_I2C_EE_Soft_Init(); //初始化软件I2C数据链路
fn_SPI_FLASH_Soft_Init(); //SPI测试通讯
fn_FatFs_Document_Init(); //FatFs文件读取测试
fn_Systick_Delay_Handler_set(10,_Systick_ms);
//*************串口通讯系统初始化**************
int_check = (__IO int16_t)ILI9341_Init();
switch(int_check){
case 0x05:
printf("\n-->LCD 运行正常");
break;
default:
printf("\n-->LCD 运行异常");
}
XPT2046_GPIO_Init();
fn_SRAM_Init(); //SRAM文件读取测试
//************* LCD页面初始化**************
Display_Char_test();
while(XPT2046_Touch_Calibrate_Page() == 0){
;}
fn_Lcd_Page1();
while(1){
fn_key_Check();
if(bkey_change == 0){
continue;}
switch(Count_Modle_flag){
case 0:
fn_Lcd_Page1();
break;
case 1:
fn_Lcd_Page2();
break;
default:
break;
}
bkey_change = 0;
}
}
//======================================================================
//======================================================================
void fn_LED_Flash_Init(void){
uint16_t count_Init = 2;
printf("\n ---> LED开始运行 \n");
while(count_Init-->0){
fn_LED_ALL_OFF();
__R_OUT__;
fn_Systick_Delay(500,_Systick_ms);
fn_LED_ALL_OFF();
__G_OUT__;
fn_Systick_Delay(500,_Systick_ms);
fn_LED_ALL_OFF();
__B_OUT__;
fn_Systick_Delay(500,_Systick_ms);
fn_LED_ALL_OFF();
__R_OUT__;
}
}
//======================================================================
//======================================================================
void fn_usart_show_Init(void){
fn_Usart_Send_Byte(_DEBUG_USARTx,'\r');
printf("-->串口通信指测试完毕 \n");
fn_Usart_SendString(_DEBUG_USARTx," : wangqi \n");
}
//======================================================================
//======================================================================
void fn_DMA_show_Init(void){
printf("\n ---> DMA开始运行 \n");
_DMA_ROM_TO_RAM(Map_BUFFER_SIZE ,aSRC_Cont_Buffer , aDST_Buffer);
_DMA_RAM_TO_USART(Map_BUFFER_SIZE ,USART_Source_ADDR , aDST_Buffer);
printf("---> DMA运行完毕 \n");
}
//======================================================================
//======================================================================
void fn_I2C_EE_Init(void){
printf("\n-->I2C_函数写入开始 \n");
_I2C_EE_Init();
I2C_Write_fun(writeData ,EEP_Firstpage ,_I2C_BufferSize);
I2C_Read_fun(ReadData ,EEP_Firstpage ,_I2C_BufferSize);
printf("--->I2C_函数写入完毕\n\r");
}
//======================================================================
//======================================================================
void fn_I2C_EE_Soft_Init(void){
printf("\n-->I2C_软件函数写入开始 \n");
I2C_Soft_Init();
I2C_Soft_Write_fun(writeData2 ,EEP_Firstpage ,_I2C_BufferSize);
I2C_Soft_Read_fun(ReadData ,EEP_Firstpage ,_I2C_BufferSize);
printf("\n--->I2C_软件函数写入完毕\n\r");
}
//======================================================================
//======================================================================
void fn_SPI_FLASH_Soft_Init(void){
uint16_t i,FlashID;
printf("-->SPI通信指测试开始 \n");
SPI_FLASH_Init();
FlashID = SPI_Read_ID() ;
if(FlashID == _SPI_FLASH_ID){
printf("-->SPI 0x%x \n",FlashID);
}
SPI_Erase_Sector(0); //清除一个页的空间
printf("\n\n-->SPI清空开始 \n");
SPI_Read_Data(Read_SPI_Data , 0, SPI_PAGE_SIZE);
SPI_Show_Data(Read_SPI_Data , SPI_PAGE_SIZE);
printf("\n\n-->SPI清空完成 \n");
for(i=0 ; i < _SPI_BufferSize ; i++){
write_SPI_Data[i] = 0xA7;
}
SPI_Show_Data(write_SPI_Data , SPI_PAGE_SIZE);
SPI_BufferWrite_Data(write_SPI_Data ,0x000000,_SPI_BufferSize);
printf("\n\n-->SPI输入完成 \n");
SPI_Read_Data(Read_SPI_Data , 0x000000, _SPI_BufferSize);
SPI_Show_Data(Read_SPI_Data , _SPI_BufferSize);
printf("-->SPI通信指测试完毕 \n");
}
//======================================================================
//======================================================================
void fn_FatFs_Document_Init(void){
/*----------------------- 格式化测试 -----------------*/
FatFs_equipment_flash("1:");
/*----------------------- 文件系统读写测试 -------------------*/
FatFs_document_Text(FileTest_ADDR_Buffer_Document, "Wangqi加油!\n" );
/*----------------------- 文件具体内容识别 -------------------*/
file_check(FileTest_ADDR_Buffer_Document);
/*----------------------- 文件目录更改测试 -------------------*/
FatFs_document_set_content(FileTest_ADDR_Buffer_Document , FileTest_ADDR_Buffer_path , FileTest_ADDR_Buffer_NewDocument2);
/*----------------------- 文件具体内容识别 -------------------*/
file_check(FileTest_ADDR_Buffer_NewDocument2);
/*----------------------- 文件目录查找识别 -------------------*/
Scan_file_Check("1:");
/*----------------------- 完成操作 -------------------*/
FatFs_Close_flash("1:");
}
//======================================================================
//======================================================================
void fn_SRAM_Init(void){
//SRAM文件读取测试
printf("********** SRAM_扩展内存测试 ********** \n");
printf("-->外部SRAM_内存函数初始化开始 \n");
SRAM_Init();
printf("\n-->外部SRAM_内存函数测试开始 \n");
SRAM_Test();
printf("\n-->外部SRAM_内存函数写入开始 \n");
SRAM_Write();
}
//======================================================================
//======================================================================
void delay(int x){
int y = 0xFFFFF;
while((x--)>0){
while((y--)>0){
__NOP();
__NOP();
__NOP();
__NOP();
__NOP();
}
}
}
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
建立XPT2046驱动文件XPT2046_LCD_book.h
代码如下 ：
#ifndef __XPT2046_LCD_BOOK_H__
#define __XPT2046_LCD_BOOK_H__
#include "stm32f10x.h"
/******************************* XPT2046 触摸屏触摸信号指示引脚定义(不使用中断) ***************************/
#define XPT2046_PENIRQ_GPIO_CLK RCC_APB2Periph_GPIOF
#define XPT2046_PENIRQ_GPIO_PORT GPIOF
#define XPT2046_PENIRQ_GPIO_PIN GPIO_Pin_9
/******************************* XPT2046 触摸屏模拟SPI引脚定义 ***************************/
#define XPT2046_SPI_GPIO_CLK RCC_APB2Periph_GPIOF| RCC_APB2Periph_GPIOG
#define XPT2046_SPI_CS_PIN GPIO_Pin_10
#define XPT2046_SPI_CS_PORT GPIOF
#define XPT2046_SPI_CLK_PIN GPIO_Pin_7
#define XPT2046_SPI_CLK_PORT GPIOG
#define XPT2046_SPI_MOSI_PIN GPIO_Pin_11
#define XPT2046_SPI_MOSI_PORT GPIOF
#define XPT2046_SPI_MISO_PIN GPIO_Pin_6
#define XPT2046_SPI_MISO_PORT GPIOF
#define XPT2046_CS_DISABLE() GPIO_SetBits ( XPT2046_SPI_CS_PORT, XPT2046_SPI_CS_PIN )
#define XPT2046_CS_ENABLE() GPIO_ResetBits ( XPT2046_SPI_CS_PORT, XPT2046_SPI_CS_PIN )
#define XPT2046_CLK_HIGH() GPIO_SetBits ( XPT2046_SPI_CLK_PORT, XPT2046_SPI_CLK_PIN )
#define XPT2046_CLK_LOW() GPIO_ResetBits ( XPT2046_SPI_CLK_PORT, XPT2046_SPI_CLK_PIN )
#define XPT2046_MOSI_1() GPIO_SetBits ( XPT2046_SPI_MOSI_PORT, XPT2046_SPI_MOSI_PIN )
#define XPT2046_MOSI_0() GPIO_ResetBits ( XPT2046_SPI_MOSI_PORT, XPT2046_SPI_MOSI_PIN )
#define XPT2046_MISO() GPIO_ReadInputDataBit ( XPT2046_SPI_MISO_PORT, XPT2046_SPI_MISO_PIN )
/******************************* XPT2046 触摸屏参数定义 ***************************/
#define XPT2046_CHANNEL_X 0x90 //通道Y+的选择控制字
#define XPT2046_CHANNEL_Y 0xd0 //通道X+的选择控制字
void XPT2046_ReadAdc_XY ( int16_t * sX_Ad, int16_t * sY_Ad );
#endif /* __BSP_TOUCH_H */
建立XPT2046驱动文件XPT2046_LCD_book.c
代码如下 ：
#include "XPT2046_LCD_book.h"
#include "LCD_Draw_book.h"
#include "USART_book.h"
//======================================================================
======================== 模拟SPI通讯 ===============================
//======================================================================
/**
* @brief XPT2046_GPIO_Init 初始化函数
* @param 无
* @retval 无
*/
void XPT2046_GPIO_Init(void){
GPIO_InitTypeDef GPIO_InitStructure;
/* 开启GPIO时钟 */
RCC_APB2PeriphClockCmd ( XPT2046_SPI_GPIO_CLK|XPT2046_PENIRQ_GPIO_CLK, ENABLE );
/* 模拟SPI GPIO初始化 */
GPIO_InitStructure.GPIO_Pin=XPT2046_SPI_CLK_PIN;
GPIO_InitStructure.GPIO_Speed=GPIO_Speed_10MHz ;
GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP;
GPIO_Init(XPT2046_SPI_CLK_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = XPT2046_SPI_MOSI_PIN;
GPIO_Init(XPT2046_SPI_MOSI_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = XPT2046_SPI_MISO_PIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz ;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(XPT2046_SPI_MISO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = XPT2046_SPI_CS_PIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz ;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(XPT2046_SPI_CS_PORT, &GPIO_InitStructure);
/* 拉低片选，选择XPT2046 */
XPT2046_CS_ENABLE();
//触摸屏触摸信号指示引脚，不使用中断
GPIO_InitStructure.GPIO_Pin = XPT2046_PENIRQ_GPIO_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; // 上拉输入
GPIO_Init(XPT2046_PENIRQ_GPIO_PORT, &GPIO_InitStructure);
}
/**
* @brief 用于 XPT2046 的简单微秒级延时函数
* @param nCount ：延时计数值，单位为微妙
* @retval 无
*/
static void XPT2046_DelayUS ( __IO uint32_t ulCount ){
uint32_t i;
for ( i = 0; i < ulCount; i ++ ) {
uint8_t uc = 12; //设置值为12，大约延1微秒
while ( uc -- ); //延1微秒
}
}
/**
* @brief XPT2046 的写入命令
* @param ucCmd ：命令
* 该参数为以下值之一：
* @arg 0x90 :通道Y+的选择控制字
* @arg 0xd0 :通道X+的选择控制字
* @retval 无
*/
static void XPT2046_WriteCMD(uint8_t ucCmd){
uint8_t i ;
//片选开始
XPT2046_CS_ENABLE();//引脚的出示状态
XPT2046_MOSI_0();
XPT2046_CLK_LOW();
//产生8个时钟发送数据
for(i=0 ;i<8 ;i++ ){
//指令要提前准备好
((ucCmd &(0x80>>i)) ==0 ) ? XPT2046_MOSI_0() : XPT2046_MOSI_1();
XPT2046_DelayUS(5);
XPT2046_CLK_HIGH();//时钟准备
XPT2046_DelayUS(5);
XPT2046_CLK_LOW();
}
}
/**
* @brief XPT2046 的读取命令
* @param 无
* @retval 读取到的数据
*/
//读取函数 AD 为１２位的
static uint16_t XPT2046_ReadCMD(void){
uint8_t i ;
uint16_t usTemp = 0;
XPT2046_MOSI_0();
XPT2046_CLK_HIGH();
for ( i=0;i<12;i++ ){
usTemp<<=1;
XPT2046_CLK_LOW();
(XPT2046_MISO() == Bit_SET )?(usTemp |= 0x01):(usTemp |= 0x00);
XPT2046_CLK_HIGH();
}
XPT2046_CS_DISABLE();
return usTemp;
}
/**
* @brief 对 XPT2046 选择一个模拟通道后，
* 启动ADC，并返回ADC采样结果
* @param ucChannel
* 该参数为以下值之一：
* @arg 0x90 :通道Y+的选择控制字
* @arg 0xd0 :通道X+的选择控制字
* @retval 该通道的ADC采样结果
*/
static uint16_t XPT2046_ReadAdc( uint8_t ucChannel ){
XPT2046_WriteCMD(ucChannel);
return XPT2046_ReadCMD();
}
/**
* @brief 读取 XPT2046 的X通道和Y通道的AD值（12 bit，最大是4096）
* @param sX_Ad ：存放X通道AD值的地址
* @param sY_Ad ：存放Y通道AD值的地址
* @retval 无
*/
void XPT2046_ReadAdc_XY ( int16_t * sX_Ad, int16_t * sY_Ad ){
*sX_Ad = XPT2046_ReadAdc(XPT2046_CHANNEL_X);
XPT2046_DelayUS(1);
*sY_Ad = XPT2046_ReadAdc (XPT2046_CHANNEL_Y);
//#ifdef _USEUSARTSHOW //#endif
printf("触摸点 X: 0x%x Y:0x%x \n" ,*sX_Ad ,*sY_Ad );
//#endif
}
建立XPT2046驱动文件XPT2046_LCD_Function_book.h
代码如下 ：
#ifndef __XPT2046_LCD_FUNCTION_BOOK_H__
#define __XPT2046_LCD_FUNCTION_BOOK_H__
#include "stm32f10x.h"
typedef union {
struct{
unsigned char BIT0:1;unsigned char BIT1:1;unsigned char BIT2:1;unsigned char BIT3:1;
unsigned char BIT4:1;unsigned char BIT5:1;unsigned char BIT6:1;unsigned char BIT7:1;
//unsigned char BIT8:1;unsigned char BIT9:1;unsigned char BIT10:1;unsigned char BIT11:1;
//unsigned char BIT12:1;unsigned char BIT13:1;unsigned char BIT14:1;unsigned char BIT15:1;
}DATA_BIT;
uint8_t DATA_BYTE;
}Per_XPT2046_LCD_type;
/*******************************触摸状态机相关*************************************/
typedef enum
{
XPT2046_STATE_RELEASE = 0, //触摸释放
XPT2046_STATE_WAITING, //触摸按下
XPT2046_STATE_PRESSED, //触摸按下
}enumTouchState ;
#define TOUCH_NOT 0
#define TOUCH_PRESSED 1
#define TOUCH_NOT_PRESSED 2
//触摸消抖阈值
#define DURIATION_TIME 3
//触屏信号有效电平
#define XPT2046_PENIRQ_ActiveLevel 0
#define XPT2046_PENIRQ_Read() GPIO_ReadInputDataBit ( XPT2046_PENIRQ_GPIO_PORT, XPT2046_PENIRQ_GPIO_PIN )
/// 声明 XPT2046 相关的外部全局变量
extern volatile uint8_t ucXPT2046_TouchFlag;
extern volatile Per_XPT2046_LCD_type XPT2046_LCD_flag;
#define bXPT2046_LCD_10ms XPT2046_LCD_flag.DATA_BIT.BIT0
/*******************************触摸坐标判断 *************************************/
typedef struct{
//液晶坐标结构体
/*负数值表示无新数据*/
int16_t x; //记录最新的触摸参数值
int16_t y;
/*用于记录连续触摸时(长按)的上一次触摸位置*/
int16_t pre_x;
int16_t pre_y;
} strType_XPT2046_Coordinate;
typedef struct{
//校准因子结构体
float An, //注:sizeof(long double) = 8
Bn,
Cn,
Dn,
En,
Fn,
Divider;
} strType_XPT2046_Calibration;
typedef struct{
//校准系数结构体（最终使用）
float dX_X,
dX_Y,
dX,
dY_X,
dY_Y,
dY;
} strType_XPT2046_TouchPara;
/// 声明 XPT2046 相关的外部全局变量
extern strType_XPT2046_TouchPara strXPT2046_TouchPara[];
// 触摸校验4点校验点
extern strType_XPT2046_Coordinate strCrossCoordinate[4];
extern strType_XPT2046_Coordinate strScreenSample[4];
/*******************************触摸函数 *************************************/
uint8_t XPT2046_TouchDetect(void);
uint8_t XPT2046_ReadAdc_Smooth_XY ( strType_XPT2046_Coordinate * pScreenCoordinate );
#endif /* __BSP_TOUCH_H */
建立XPT2046驱动文件XPT2046_LCD_Function_book.c
代码如下 ：
#include "XPT2046_LCD_Function_book.h"
#include "XPT2046_LCD_book.h"
#include "LCD_book.h"
#include "USART_book.h"
//======================================================================
======================== 触摸状态机制通讯 ==========================
//======================================================================
/** 状态机制
* @brief 触摸屏检测状态机
* @retval 触摸状态
* 该返回值为以下值之一：
* @arg TOUCH_PRESSED :触摸按下
* @arg TOUCH_NOT_PRESSED :无触摸
*/
volatile uint8_t ucXPT2046_TouchFlag;
volatile Per_XPT2046_LCD_type XPT2046_LCD_flag;
uint8_t XPT2046_TouchDetect(void){
if(bXPT2046_LCD_10ms == 0){
return TOUCH_NOT ;}
bXPT2046_LCD_10ms = 0;
static enumTouchState touch_state = XPT2046_STATE_RELEASE;
static uint8_t count_Touch = 0;
uint8_t detectResult = TOUCH_NOT_PRESSED;
switch(touch_state){
case XPT2046_STATE_RELEASE:
if(XPT2046_PENIRQ_Read() == XPT2046_PENIRQ_ActiveLevel){
touch_state = XPT2046_STATE_WAITING;
detectResult = TOUCH_NOT_PRESSED;
}else{
touch_state = XPT2046_STATE_RELEASE;
detectResult = TOUCH_NOT_PRESSED;
}
break;
case XPT2046_STATE_WAITING:
if(XPT2046_PENIRQ_Read() == XPT2046_PENIRQ_ActiveLevel){
if(count_Touch++>DURIATION_TIME){
count_Touch = 0;
touch_state = XPT2046_STATE_PRESSED;
detectResult = TOUCH_PRESSED;
}else{
touch_state = XPT2046_STATE_WAITING;
detectResult = TOUCH_NOT_PRESSED;
}
}else{
count_Touch = 0;
touch_state = XPT2046_STATE_RELEASE;
detectResult = TOUCH_NOT_PRESSED;
}
break;
case XPT2046_STATE_PRESSED:
if(XPT2046_PENIRQ_Read() == XPT2046_PENIRQ_ActiveLevel){
touch_state = XPT2046_STATE_PRESSED;
detectResult = TOUCH_PRESSED;
}else{
touch_state = XPT2046_STATE_RELEASE;
detectResult = TOUCH_NOT_PRESSED;
}
break;
}
return detectResult;
}
//======================================================================
======================== 触摸坐标采集 ===============================
//======================================================================
#if 0 //注意：校正较精准，但是相对复杂，速度较慢
/**
* @brief 在触摸 XPT2046 屏幕时获取一组坐标的AD值，并对该坐标进行滤波
* @param 无
* @retval 滤波之后的坐标AD值
*/
static uint8_t XPT2046_ReadAdc_Smooth_XY ( strType_XPT2046_Coordinate * pScreenCoordinate ){
uint8_t ucCount = 0;
int16_t sAD_X, sAD_Y;
int16_t sBufferArray [ 2 ] [ 9 ] = {
{
0 }, {
0 } }; //坐标X和Y进行9次采样
int32_t lAverage [ 3 ], lDifference [ 3 ];
do{
XPT2046_ReadAdc_XY ( & sAD_X, & sAD_Y );
sBufferArray [ 0 ] [ ucCount ] = sAD_X;
sBufferArray [ 1 ] [ ucCount ] = sAD_Y;
ucCount ++;
}while ( ( XPT2046_EXTI_Read() == XPT2046_EXTI_ActiveLevel ) && ( ucCount < 9 ) ); //用户点击触摸屏时即TP_INT_IN信号为低 并且 ucCount<9*/
/*如果触笔弹起*/
if ( XPT2046_EXTI_Read() != XPT2046_EXTI_ActiveLevel )
ucXPT2046_TouchFlag = 0; //触摸中断标志复位
/* 如果成功采样9次,进行滤波 */
if ( ucCount == 9 ){
/* 为减少运算量,分别分3组取平均值 */
lAverage [ 0 ] = ( sBufferArray [ 0 ] [ 0 ] + sBufferArray [ 0 ] [ 1 ] + sBufferArray [ 0 ] [ 2 ] ) / 3;
lAverage [ 1 ] = ( sBufferArray [ 0 ] [ 3 ] + sBufferArray [ 0 ] [ 4 ] + sBufferArray [ 0 ] [ 5 ] ) / 3;
lAverage [ 2 ] = ( sBufferArray [ 0 ] [ 6 ] + sBufferArray [ 0 ] [ 7 ] + sBufferArray [ 0 ] [ 8 ] ) / 3;
/* 计算3组数据的差值 */
lDifference [ 0 ] = lAverage [ 0 ]-lAverage [ 1 ];
lDifference [ 1 ] = lAverage [ 1 ]-lAverage [ 2 ];
lDifference [ 2 ] = lAverage [ 2 ]-lAverage [ 0 ];
/* 对上述差值取绝对值 */
lDifference [ 0 ] = lDifference [ 0 ]>0?lDifference [ 0 ]: ( -lDifference [ 0 ] );
lDifference [ 1 ] = lDifference [ 1 ]>0?lDifference [ 1 ]: ( -lDifference [ 1 ] );
lDifference [ 2 ] = lDifference [ 2 ]>0?lDifference [ 2 ]: ( -lDifference [ 2 ] );
/* 判断绝对差值是否都超过差值门限，如果这3个绝对差值都超过门限值，则判定这次采样点为野点,抛弃采样点，差值门限取为2 */
if ( lDifference [ 0 ] > XPT2046_THRESHOLD_CalDiff && lDifference [ 1 ] > XPT2046_THRESHOLD_CalDiff && lDifference [ 2 ] > XPT2046_THRESHOLD_CalDiff )
return 0;
/* 计算它们的平均值，同时赋值给strScreenCoordinate */
if ( lDifference [ 0 ] < lDifference [ 1 ] ){
if ( lDifference [ 2 ] < lDifference [ 0 ] )
pScreenCoordinate ->x = ( lAverage [ 0 ] + lAverage [ 2 ] ) / 2;
else
pScreenCoordinate ->x = ( lAverage [ 0 ] + lAverage [ 1 ] ) / 2;
}
else if ( lDifference [ 2 ] < lDifference [ 1 ] )
pScreenCoordinate -> x = ( lAverage [ 0 ] + lAverage [ 2 ] ) / 2;
else
pScreenCoordinate ->x = ( lAverage [ 1 ] + lAverage [ 2 ] ) / 2;
/* 同上，计算Y的平均值 */
lAverage [ 0 ] = ( sBufferArray [ 1 ] [ 0 ] + sBufferArray [ 1 ] [ 1 ] + sBufferArray [ 1 ] [ 2 ] ) / 3;
lAverage [ 1 ] = ( sBufferArray [ 1 ] [ 3 ] + sBufferArray [ 1 ] [ 4 ] + sBufferArray [ 1 ] [ 5 ] ) / 3;
lAverage [ 2 ] = ( sBufferArray [ 1 ] [ 6 ] + sBufferArray [ 1 ] [ 7 ] + sBufferArray [ 1 ] [ 8 ] ) / 3;
lDifference [ 0 ] = lAverage [ 0 ] - lAverage [ 1 ];
lDifference [ 1 ] = lAverage [ 1 ] - lAverage [ 2 ];
lDifference [ 2 ] = lAverage [ 2 ] - lAverage [ 0 ];
/* 取绝对值 */
lDifference [ 0 ] = lDifference [ 0 ] > 0 ? lDifference [ 0 ] : ( - lDifference [ 0 ] );
lDifference [ 1 ] = lDifference [ 1 ] > 0 ? lDifference [ 1 ] : ( - lDifference [ 1 ] );
lDifference [ 2 ] = lDifference [ 2 ] > 0 ? lDifference [ 2 ] : ( - lDifference [ 2 ] );
if ( lDifference [ 0 ] > XPT2046_THRESHOLD_CalDiff && lDifference [ 1 ] > XPT2046_THRESHOLD_CalDiff && lDifference [ 2 ] > XPT2046_THRESHOLD_CalDiff )
return 0;
if ( lDifference [ 0 ] < lDifference [ 1 ] ){
if ( lDifference [ 2 ] < lDifference [ 0 ] )
pScreenCoordinate ->y = ( lAverage [ 0 ] + lAverage [ 2 ] ) / 2;
else
pScreenCoordinate ->y = ( lAverage [ 0 ] + lAverage [ 1 ] ) / 2;
}
else if ( lDifference [ 2 ] < lDifference [ 1 ] )
pScreenCoordinate ->y = ( lAverage [ 0 ] + lAverage [ 2 ] ) / 2;
else
pScreenCoordinate ->y = ( lAverage [ 1 ] + lAverage [ 2 ] ) / 2;
return 1;
}
else if ( ucCount > 1 ){
pScreenCoordinate ->x = sBufferArray [ 0 ] [ 0 ];
pScreenCoordinate ->y = sBufferArray [ 1 ] [ 0 ];
return 0;
}
return 0;
}
#else //注意：画板应用实例专用,不是很精准，但是简单，速度比较快
uint8_t XPT2046_ReadAdc_Smooth_XY ( strType_XPT2046_Coordinate * pScreenCoordinate ){
uint8_t ucCount = 0, i;
int16_t sAD_X, sAD_Y;
int16_t sBufferArray [ 2 ] [ 10 ] = {
{
0 },{
0 } }; //坐标X和Y进行多次采样
//存储采样中的最小值、最大值
int32_t lX_Min, lX_Max, lY_Min, lY_Max;
if ( XPT2046_PENIRQ_Read() != XPT2046_PENIRQ_ActiveLevel ){
return 0;}
/* 循环采样10次 */
do{
XPT2046_ReadAdc_XY ( & sAD_X, & sAD_Y );
sBufferArray [ 0 ] [ ucCount ] = sAD_X;
sBufferArray [ 1 ] [ ucCount ] = sAD_Y;
ucCount ++;
}while ( ( XPT2046_PENIRQ_Read() == XPT2046_PENIRQ_ActiveLevel ) && ( ucCount < 10 ) );
//用户点击触摸屏时即TP_INT_IN信号为低 并且 ucCount<10
/*如果触笔弹起*/
if ( XPT2046_PENIRQ_Read() != XPT2046_PENIRQ_ActiveLevel )
ucXPT2046_TouchFlag = 0; //中断标志复位
/*如果成功采样10个样本*/
if ( ucCount ==10 ){
lX_Max = lX_Min = sBufferArray [ 0 ] [ 0 ];
lY_Max = lY_Min = sBufferArray [ 1 ] [ 0 ];
for ( i = 1; i < 10; i ++ ){
if ( sBufferArray[ 0 ] [ i ] < lX_Min )
lX_Min = sBufferArray [ 0 ] [ i ];
else if ( sBufferArray [ 0 ] [ i ] > lX_Max )
lX_Max = sBufferArray [ 0 ] [ i ];
}
for ( i = 1; i < 10; i ++ ){
if ( sBufferArray [ 1 ] [ i ] < lY_Min )
lY_Min = sBufferArray [ 1 ] [ i ];
else if ( sBufferArray [ 1 ] [ i ] > lY_Max )
lY_Max = sBufferArray [ 1 ] [ i ];
}
/*去除最小值和最大值之后求平均值*/
pScreenCoordinate ->x = ( sBufferArray [ 0 ] [ 0 ] + sBufferArray [ 0 ] [ 1 ] + sBufferArray [ 0 ] [ 2 ] + sBufferArray [ 0 ] [ 3 ] + sBufferArray [ 0 ] [ 4 ] +
sBufferArray [ 0 ] [ 5 ] + sBufferArray [ 0 ] [ 6 ] + sBufferArray [ 0 ] [ 7 ] + sBufferArray [ 0 ] [ 8 ] + sBufferArray [ 0 ] [ 9 ] - lX_Min-lX_Max ) >> 3;
pScreenCoordinate ->y = ( sBufferArray [ 1 ] [ 0 ] + sBufferArray [ 1 ] [ 1 ] + sBufferArray [ 1 ] [ 2 ] + sBufferArray [ 1 ] [ 3 ] + sBufferArray [ 1 ] [ 4 ] +
sBufferArray [ 1 ] [ 5 ] + sBufferArray [ 1 ] [ 6 ] + sBufferArray [ 1 ] [ 7 ] + sBufferArray [ 1 ] [ 8 ] + sBufferArray [ 1 ] [ 9 ] - lY_Min-lY_Max ) >> 3;
return 1;
}
return 0;
}
#endif
//======================================================================
======================== 触摸坐标校准算法 ===============================
//======================================================================
/**
* @brief 计算 XPT2046 触摸坐标校正系数（注意：只有在LCD和触摸屏间的误差角度非常小时,才能运用下面公式）
* @param pDisplayCoordinate ：屏幕人为显示的已知坐标
* @param pstrScreenSample ：对已知坐标点触摸时 XPT2046 产生的坐标
* @param pCalibrationFactor ：根据人为设定坐标和采样回来的坐标计算出来的屏幕触摸校正系数
* @retval 计算状态
* 该返回值为以下值之一：
* @arg 1 :计算成功
* @arg 0 :计算失败
*/
/******************************* 定义 XPT2046 全局变量 ***************************/
//默认触摸参数，不同的屏幕稍有差异，可重新调用触摸校准函数获取
strType_XPT2046_TouchPara strXPT2046_TouchPara[] = {
-0.006464, -0.073259, 280.358032, 0.074878, 0.002052, -6.545977,//扫描方式0
0.086314, 0.001891, -12.836658, -0.003722, -0.065799, 254.715714,//扫描方式1
0.002782, 0.061522, -11.595689, 0.083393, 0.005159, -15.650089,//扫描方式2
0.089743, -0.000289, -20.612209, -0.001374, 0.064451, -16.054003,//扫描方式3
0.000767, -0.068258, 250.891769, -0.085559, -0.000195, 334.747650,//扫描方式4
-0.084744, 0.000047, 323.163147, -0.002109, -0.066371, 260.985809,//扫描方式5
-0.001848, 0.066984, -12.807136, -0.084858, -0.000805, 333.395386,//扫描方式6
-0.085470, -0.000876, 334.023163, -0.003390, 0.064725, -6.211169,//扫描方式7
};
static uint8_t XPT2046_Calculate_CalibrationFactor (
strType_XPT2046_Coordinate * pDisplayCoordinate,
strType_XPT2046_Coordinate * pScreenSample,
strType_XPT2046_Calibration * pCalibrationFactor
){
uint8_t ucRet = 1;
/* K＝ ( X0－X2 ) ( Y1－Y2 )－ ( X1－X2 ) ( Y0－Y2 ) */
pCalibrationFactor -> Divider = ( ( pScreenSample [ 0 ] .x - pScreenSample [ 2 ] .x ) * ( pScreenSample [ 1 ] .y - pScreenSample [ 2 ] .y ) ) -
( ( pScreenSample [ 1 ] .x - pScreenSample [ 2 ] .x ) * ( pScreenSample [ 0 ] .y - pScreenSample [ 2 ] .y ) ) ;
if ( pCalibrationFactor -> Divider == 0 )
ucRet = 0;
else{
/* A＝ ( ( XD0－XD2 ) ( Y1－Y2 )－ ( XD1－XD2 ) ( Y0－Y2 ) )／K */
pCalibrationFactor -> An = ( ( pDisplayCoordinate [ 0 ] .x - pDisplayCoordinate [ 2 ] .x ) * ( pScreenSample [ 1 ] .y - pScreenSample [ 2 ] .y ) ) -
( ( pDisplayCoordinate [ 1 ] .x - pDisplayCoordinate [ 2 ] .x ) * ( pScreenSample [ 0 ] .y - pScreenSample [ 2 ] .y ) );
/* B＝ ( ( X0－X2 ) ( XD1－XD2 )－ ( XD0－XD2 ) ( X1－X2 ) )／K */
pCalibrationFactor -> Bn = ( ( pScreenSample [ 0 ] .x - pScreenSample [ 2 ] .x ) * ( pDisplayCoordinate [ 1 ] .x - pDisplayCoordinate [ 2 ] .x ) ) -
( ( pDisplayCoordinate [ 0 ] .x - pDisplayCoordinate [ 2 ] .x ) * ( pScreenSample [ 1 ] .x - pScreenSample [ 2 ] .x ) );
/* C＝ ( Y0 ( X2XD1－X1XD2 )+Y1 ( X0XD2－X2XD0 )+Y2 ( X1XD0－X0XD1 ) )／K */
pCalibrationFactor -> Cn = ( pScreenSample [ 2 ] .x * pDisplayCoordinate [ 1 ] .x - pScreenSample [ 1 ] .x * pDisplayCoordinate [ 2 ] .x ) * pScreenSample [ 0 ] .y +
( pScreenSample [ 0 ] .x * pDisplayCoordinate [ 2 ] .x - pScreenSample [ 2 ] .x * pDisplayCoordinate [ 0 ] .x ) * pScreenSample [ 1 ] .y +
( pScreenSample [ 1 ] .x * pDisplayCoordinate [ 0 ] .x - pScreenSample [ 0 ] .x * pDisplayCoordinate [ 1 ] .x ) * pScreenSample [ 2 ] .y ;
/* D＝ ( ( YD0－YD2 ) ( Y1－Y2 )－ ( YD1－YD2 ) ( Y0－Y2 ) )／K */
pCalibrationFactor -> Dn = ( ( pDisplayCoordinate [ 0 ] .y - pDisplayCoordinate [ 2 ] .y ) * ( pScreenSample [ 1 ] .y - pScreenSample [ 2 ] .y ) ) -
( ( pDisplayCoordinate [ 1 ] .y - pDisplayCoordinate [ 2 ] .y ) * ( pScreenSample [ 0 ] .y - pScreenSample [ 2 ] .y ) ) ;
/* E＝ ( ( X0－X2 ) ( YD1－YD2 )－ ( YD0－YD2 ) ( X1－X2 ) )／K */
pCalibrationFactor -> En = ( ( pScreenSample [ 0 ] .x - pScreenSample [ 2 ] .x ) * ( pDisplayCoordinate [ 1 ] .y - pDisplayCoordinate [ 2 ] .y ) ) -
( ( pDisplayCoordinate [ 0 ] .y - pDisplayCoordinate [ 2 ] .y ) * ( pScreenSample [ 1 ] .x - pScreenSample [ 2 ] .x ) ) ;
/* F＝ ( Y0 ( X2YD1－X1YD2 )+Y1 ( X0YD2－X2YD0 )+Y2 ( X1YD0－X0YD1 ) )／K */
pCalibrationFactor -> Fn = ( pScreenSample [ 2 ] .x * pDisplayCoordinate [ 1 ] .y - pScreenSample [ 1 ] .x * pDisplayCoordinate [ 2 ] .y ) * pScreenSample [ 0 ] .y +
( pScreenSample [ 0 ] .x * pDisplayCoordinate [ 2 ] .y - pScreenSample [ 2 ] .x * pDisplayCoordinate [ 0 ] .y ) * pScreenSample [ 1 ] .y +
( pScreenSample [ 1 ] .x * pDisplayCoordinate [ 0 ] .y - pScreenSample [ 0 ] .x * pDisplayCoordinate [ 1 ] .y ) * pScreenSample [ 2 ] .y;
}
return ucRet;
}
//======================================================================
======================== 触摸坐标校准执行 ===============================
//======================================================================
/**
* @brief XPT2046 触摸屏校准初始化
* @param LCD_Mode：指定要校正哪种液晶扫描模式的参数
* @note 本函数调用后会把液晶模式设置为LCD_Mode
* @retval 校准结果
* 该返回值为以下值之一:
* @arg 1 :校准成功
* @arg 0 :校准失败
*/
strType_XPT2046_Coordinate strCrossCoordinate[4];
strType_XPT2046_Coordinate strScreenSample[4];
void XPT2046_Touch_Calibrate_SetStand4Pint(void){
/* 设定“十”字交叉点的坐标 */
strCrossCoordinate [0].x = LCD_X_LENGTH >> 2;
strCrossCoordinate[0].y = LCD_Y_LENGTH >> 2;
strCrossCoordinate[1].x = strCrossCoordinate[0].x;
strCrossCoordinate[1].y = ( LCD_Y_LENGTH * 3 ) >> 2;
strCrossCoordinate[2].x = ( LCD_X_LENGTH * 3 ) >> 2;
strCrossCoordinate[2].y = strCrossCoordinate[1].y;
strCrossCoordinate[3].x = strCrossCoordinate[2].x;
strCrossCoordinate[3].y = strCrossCoordinate[0].y;
}
/**
* @brief XPT2046 触摸屏校准
* @param LCD_Mode：指定要校正哪种液晶扫描模式的参数
* @note 本函数调用后会把液晶模式设置为LCD_Mode
* @retval 校准结果
* 该返回值为以下值之一：
* @arg 1 :校准成功
* @arg 0 :校准失败
*/
uint8_t XPT2046_Touch_Calibrate ( uint8_t LCD_Mode ){
uint8_t i;
uint16_t usTest_x = 0, usTest_y = 0, usGap_x = 0, usGap_y = 0;
strType_XPT2046_Calibration CalibrationFactor;
XPT2046_Calculate_CalibrationFactor ( strCrossCoordinate, strScreenSample, & CalibrationFactor ) ; //用原始参数计算出 原始参数与坐标的转换系数
if ( CalibrationFactor.Divider == 0 ) goto Failure; //进行校验完成
usTest_x = ( ( CalibrationFactor.An * strScreenSample[3].x ) + ( CalibrationFactor.Bn * strScreenSample[3].y ) + CalibrationFactor.Cn ) / CalibrationFactor.Divider; //取一个点计算X值
usTest_y = ( ( CalibrationFactor.Dn * strScreenSample[3].x ) + ( CalibrationFactor.En * strScreenSample[3].y ) + CalibrationFactor.Fn ) / CalibrationFactor.Divider; //取一个点计算Y值
usGap_x = ( usTest_x > strCrossCoordinate[3].x ) ? ( usTest_x - strCrossCoordinate[3].x ) : ( strCrossCoordinate[3].x - usTest_x ); //实际X坐标与计算坐标的绝对差
usGap_y = ( usTest_y > strCrossCoordinate[3].y ) ? ( usTest_y - strCrossCoordinate[3].y ) : ( strCrossCoordinate[3].y - usTest_y ); //实际Y坐标与计算坐标的绝对差
if ( ( usGap_x > 15 ) || ( usGap_y > 15 ) ) goto Failure; //可以通过修改这两个值的大小来调整精度
/* 校准系数为全局变量 */
strXPT2046_TouchPara[LCD_Mode].dX_X = ( CalibrationFactor.An * 1.0 ) / CalibrationFactor.Divider;
strXPT2046_TouchPara[LCD_Mode].dX_Y = ( CalibrationFactor.Bn * 1.0 ) / CalibrationFactor.Divider;
strXPT2046_TouchPara[LCD_Mode].dX = ( CalibrationFactor.Cn * 1.0 ) / CalibrationFactor.Divider;
strXPT2046_TouchPara[LCD_Mode].dY_X = ( CalibrationFactor.Dn * 1.0 ) / CalibrationFactor.Divider;
strXPT2046_TouchPara[LCD_Mode].dY_Y = ( CalibrationFactor.En * 1.0 ) / CalibrationFactor.Divider;
strXPT2046_TouchPara[LCD_Mode].dY = ( CalibrationFactor.Fn * 1.0 ) / CalibrationFactor.Divider;
#if 1 //输出调试信息，注意要先初始化串口
{
float * ulHeadAddres ;
/* 打印校校准系数 */
printf ( "显示模式【%d】校准系数如下：", LCD_Mode);
ulHeadAddres = ( float* ) ( & strXPT2046_TouchPara[LCD_Mode] );
for ( i = 0; i < 6; i ++ )
{
printf ( "%12f,", *ulHeadAddres++ );
}
printf("\r\n");
}
#endif
return 1;
Failure:
return 0;
}
建立 LCD驱动 管理文件LCD_book.h
代码如下 ：
#ifndef __LCD_BOOK_H
#define __LCD_BOOK_H
#include "stm32f10x.h"
/***************************************************************************************
2^26 =0X0400 0000 = 64MB,每个 BANK 有4*64MB = 256MB
64MB:FSMC_Bank1_NORSRAM1:0X6000 0000 ~ 0X63FF FFFF
64MB:FSMC_Bank1_NORSRAM2:0X6400 0000 ~ 0X67FF FFFF
64MB:FSMC_Bank1_NORSRAM3:0X6800 0000 ~ 0X6BFF FFFF
64MB:FSMC_Bank1_NORSRAM4:0X6C00 0000 ~ 0X6FFF FFFF
选择BANK1-BORSRAM4 连接 TFT，地址范围为0X6C00 0000 ~ 0X6FFF FFFF
FSMC_A23 接LCD的DC(寄存器/数据选择)脚
寄存器基地址 = 0X6C00 0000
RAM基地址 = 0X6D00 0000 = 0X6C00 0000+2^23*2 = 0X6C00 0000 + 0X100 0000 = 0X6D00 0000
当选择不同的地址线时，地址要重新计算
****************************************************************************************/
/******************************* ILI9341 显示屏的 FSMC 参数定义 ***************************/
//FSMC_Bank1_NORSRAM用于LCD命令操作的地址
#define FSMC_Addr_ILI9341_CMD ( ( uint32_t ) 0x6C000000 )
//FSMC_Bank1_NORSRAM用于LCD数据操作的地址
#define FSMC_Addr_ILI9341_DATA ( ( uint32_t ) 0x6D000000 )
//由片选引脚决定的NOR/SRAM块
#define FSMC_Bank1_NORSRAMx FSMC_Bank1_NORSRAM4
/******************************* ILI9341 显示屏8080通讯引脚定义 ***************************/
/******控制信号线******/
//片选，选择NOR/SRAM块
#define ILI9341_CS_CLK RCC_APB2Periph_GPIOG
#define ILI9341_CS_PORT GPIOG
#define ILI9341_CS_PIN GPIO_Pin_12
//DC引脚，使用FSMC的地址信号控制，本引脚决定了访问LCD时使用的地址
//PE2为FSMC_A23
#define ILI9341_DC_CLK RCC_APB2Periph_GPIOE
#define ILI9341_DC_PORT GPIOE
#define ILI9341_DC_PIN GPIO_Pin_2
//写使能
#define ILI9341_WR_CLK RCC_APB2Periph_GPIOD
#define ILI9341_WR_PORT GPIOD
#define ILI9341_WR_PIN GPIO_Pin_5
//读使能
#define ILI9341_RD_CLK RCC_APB2Periph_GPIOD
#define ILI9341_RD_PORT GPIOD
#define ILI9341_RD_PIN GPIO_Pin_4
//复位引脚
#define ILI9341_RST_CLK RCC_APB2Periph_GPIOG
#define ILI9341_RST_PORT GPIOG
#define ILI9341_RST_PIN GPIO_Pin_11
//背光引脚
#define ILI9341_BK_CLK RCC_APB2Periph_GPIOG
#define ILI9341_BK_PORT GPIOG
#define ILI9341_BK_PIN GPIO_Pin_6
/********数据信号线***************/
#define ILI9341_D0_CLK RCC_APB2Periph_GPIOD
#define ILI9341_D0_PORT GPIOD
#define ILI9341_D0_PIN GPIO_Pin_14
#define ILI9341_D1_CLK RCC_APB2Periph_GPIOD
#define ILI9341_D1_PORT GPIOD
#define ILI9341_D1_PIN GPIO_Pin_15
#define ILI9341_D2_CLK RCC_APB2Periph_GPIOD
#define ILI9341_D2_PORT GPIOD
#define ILI9341_D2_PIN GPIO_Pin_0
#define ILI9341_D3_CLK RCC_APB2Periph_GPIOD
#define ILI9341_D3_PORT GPIOD
#define ILI9341_D3_PIN GPIO_Pin_1
#define ILI9341_D4_CLK RCC_APB2Periph_GPIOE
#define ILI9341_D4_PORT GPIOE
#define ILI9341_D4_PIN GPIO_Pin_7
#define ILI9341_D5_CLK RCC_APB2Periph_GPIOE
#define ILI9341_D5_PORT GPIOE
#define ILI9341_D5_PIN GPIO_Pin_8
#define ILI9341_D6_CLK RCC_APB2Periph_GPIOE
#define ILI9341_D6_PORT GPIOE
#define ILI9341_D6_PIN GPIO_Pin_9
#define ILI9341_D7_CLK RCC_APB2Periph_GPIOE
#define ILI9341_D7_PORT GPIOE
#define ILI9341_D7_PIN GPIO_Pin_10
#define ILI9341_D8_CLK RCC_APB2Periph_GPIOE
#define ILI9341_D8_PORT GPIOE
#define ILI9341_D8_PIN GPIO_Pin_11
#define ILI9341_D9_CLK RCC_APB2Periph_GPIOE
#define ILI9341_D9_PORT GPIOE
#define ILI9341_D9_PIN GPIO_Pin_12
#define ILI9341_D10_CLK RCC_APB2Periph_GPIOE
#define ILI9341_D10_PORT GPIOE
#define ILI9341_D10_PIN GPIO_Pin_13
#define ILI9341_D11_CLK RCC_APB2Periph_GPIOE
#define ILI9341_D11_PORT GPIOE
#define ILI9341_D11_PIN GPIO_Pin_14
#define ILI9341_D12_CLK RCC_APB2Periph_GPIOE
#define ILI9341_D12_PORT GPIOE
#define ILI9341_D12_PIN GPIO_Pin_15
#define ILI9341_D13_CLK RCC_APB2Periph_GPIOD
#define ILI9341_D13_PORT GPIOD
#define ILI9341_D13_PIN GPIO_Pin_8
#define ILI9341_D14_CLK RCC_APB2Periph_GPIOD
#define ILI9341_D14_PORT GPIOD
#define ILI9341_D14_PIN GPIO_Pin_9
#define ILI9341_D15_CLK RCC_APB2Periph_GPIOD
#define ILI9341_D15_PORT GPIOD
#define ILI9341_D15_PIN GPIO_Pin_10
/*************************************** 调试预用 ******************************************/
#define DEBUG_DELAY()
/******************************* 定义 ILI934 常用命令 ********************************/
#define CMD_SetCoordinateX 0x2A //设置X坐标
#define CMD_SetCoordinateY 0x2B //设置Y坐标
#define CMD_SetPixel 0x2C //填充像素
/***************************** ILI934 显示区域的起始坐标和总行列数 ***************************/
#define ILI9341_DispWindow_X_Star 0 //起始点的X坐标
#define ILI9341_DispWindow_Y_Star 0 //起始点的Y坐标
#define ILI9341_LESS_PIXEL 240 //液晶屏较短方向的像素宽度
#define ILI9341_MORE_PIXEL 320 //液晶屏较长方向的像素宽度
//根据液晶扫描方向而变化的XY像素宽度
//调用ILI9341_GramScan函数设置方向时会自动更改
extern uint16_t LCD_X_LENGTH,LCD_Y_LENGTH;
//液晶屏扫描模式
//参数可选值为0-7
typedef enum {
LCD_SCAN_MODE_1 = 1,
LCD_SCAN_MODE_2 = 2,
LCD_SCAN_MODE_3 = 3,
LCD_SCAN_MODE_4 = 4,
LCD_SCAN_MODE_5 = 5,
LCD_SCAN_MODE_6 = 6,
} LCD_SCAN_MODE_enum;
#define _LCD_SCAN_MODE LCD_SCAN_MODE_6
extern uint8_t LCD_SCAN_MODE ;
void ILI9341_Delay ( __IO uint32_t nCount );
void ILI9341_Write_Cmd ( uint16_t usCmd );
void ILI9341_Write_Data ( uint16_t usData );
__IO uint16_t ILI9341_Read_Data ( void );
__IO uint16_t ILI9341_Init (void);
#endif /* __BSP_ILI9341_ILI9341_H */
建立 LCD驱动 管理文件LCD_book.c
代码如下 ：
/**
******************************************************************************
* @file bsp_ili9341_lcd.c
* @version V1.0
* @date 2013-xx-xx
* @brief ili9341液晶屏驱动
******************************************************************************
* @attention
*
* 实验平台:野火 F103-霸道 STM32 开发板
* 论坛 :http://www.firebbs.cn
* 淘宝 :https://fire-stm32.taobao.com
*
******************************************************************************
*/
#include "stm32f10x.h"
#include "LCD_book.h"
//根据液晶扫描方向而变化的XY像素宽度
//调用ILI9341_GramScan函数设置方向时会自动更改
uint16_t LCD_X_LENGTH = ILI9341_LESS_PIXEL;
uint16_t LCD_Y_LENGTH = ILI9341_MORE_PIXEL;
//液晶屏扫描模式，本变量主要用于方便选择触摸屏的计算参数
//参数可选值为0-7
//调用ILI9341_GramScan函数设置方向时会自动更改
//LCD刚初始化完成时会使用本默认值
uint8_t LCD_SCAN_MODE = 6;
/**
* @brief 初始化ILI9341的IO引脚
* @param 无
* @retval 无
*/
static void ILI9341_GPIO_Config ( void ){
GPIO_InitTypeDef GPIO_InitStructure;
/* 使能FSMC对应相应管脚时钟*/
RCC_APB2PeriphClockCmd (
/*控制信号*/
ILI9341_CS_CLK|ILI9341_DC_CLK|ILI9341_WR_CLK|
ILI9341_RD_CLK |ILI9341_BK_CLK|ILI9341_RST_CLK|
/*数据信号*/
ILI9341_D0_CLK|ILI9341_D1_CLK| ILI9341_D2_CLK |
ILI9341_D3_CLK | ILI9341_D4_CLK|ILI9341_D5_CLK|
ILI9341_D6_CLK | ILI9341_D7_CLK|ILI9341_D8_CLK|
ILI9341_D9_CLK | ILI9341_D10_CLK|ILI9341_D11_CLK|
ILI9341_D12_CLK | ILI9341_D13_CLK|ILI9341_D14_CLK|
ILI9341_D15_CLK , ENABLE );
/* 配置FSMC相对应的数据线,FSMC-D0~D15 */
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Pin = ILI9341_D0_PIN;
GPIO_Init ( ILI9341_D0_PORT, & GPIO_InitStructure );
GPIO_InitStructure.GPIO_Pin = ILI9341_D1_PIN;
GPIO_Init ( ILI9341_D1_PORT, & GPIO_InitStructure );
GPIO_InitStructure.GPIO_Pin = ILI9341_D2_PIN;
GPIO_Init ( ILI9341_D2_PORT, & GPIO_InitStructure );
GPIO_InitStructure.GPIO_Pin = ILI9341_D3_PIN;
GPIO_Init ( ILI9341_D3_PORT, & GPIO_InitStructure );
GPIO_InitStructure.GPIO_Pin = ILI9341_D4_PIN;
GPIO_Init ( ILI9341_D4_PORT, & GPIO_InitStructure );
GPIO_InitStructure.GPIO_Pin = ILI9341_D5_PIN;
GPIO_Init ( ILI9341_D5_PORT, & GPIO_InitStructure );
GPIO_InitStructure.GPIO_Pin = ILI9341_D6_PIN;
GPIO_Init ( ILI9341_D6_PORT, & GPIO_InitStructure );
GPIO_InitStructure.GPIO_Pin = ILI9341_D7_PIN;
GPIO_Init ( ILI9341_D7_PORT, & GPIO_InitStructure );
GPIO_InitStructure.GPIO_Pin = ILI9341_D8_PIN;
GPIO_Init ( ILI9341_D8_PORT, & GPIO_InitStructure );
GPIO_InitStructure.GPIO_Pin = ILI9341_D9_PIN;
GPIO_Init ( ILI9341_D9_PORT, & GPIO_InitStructure );
GPIO_InitStructure.GPIO_Pin = ILI9341_D10_PIN;
GPIO_Init ( ILI9341_D10_PORT, & GPIO_InitStructure );
GPIO_InitStructure.GPIO_Pin = ILI9341_D11_PIN;
GPIO_Init ( ILI9341_D11_PORT, & GPIO_InitStructure );
GPIO_InitStructure.GPIO_Pin = ILI9341_D12_PIN;
GPIO_Init ( ILI9341_D12_PORT, & GPIO_InitStructure );
GPIO_InitStructure.GPIO_Pin = ILI9341_D13_PIN;
GPIO_Init ( ILI9341_D13_PORT, & GPIO_InitStructure );
GPIO_InitStructure.GPIO_Pin = ILI9341_D14_PIN;
GPIO_Init ( ILI9341_D14_PORT, & GPIO_InitStructure );
GPIO_InitStructure.GPIO_Pin = ILI9341_D15_PIN;
GPIO_Init ( ILI9341_D15_PORT, & GPIO_InitStructure );
/* 配置FSMC相对应的控制线
* FSMC_NOE :LCD-RD
* FSMC_NWE :LCD-WR
* FSMC_NE1 :LCD-CS
* FSMC_A16 :LCD-DC
*/
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Pin = ILI9341_RD_PIN;
GPIO_Init (ILI9341_RD_PORT, & GPIO_InitStructure );
GPIO_InitStructure.GPIO_Pin = ILI9341_WR_PIN;
GPIO_Init (ILI9341_WR_PORT, & GPIO_InitStructure );
GPIO_InitStructure.GPIO_Pin = ILI9341_CS_PIN;
GPIO_Init ( ILI9341_CS_PORT, & GPIO_InitStructure );
GPIO_InitStructure.GPIO_Pin = ILI9341_DC_PIN;
GPIO_Init ( ILI9341_DC_PORT, & GPIO_InitStructure );
/* 配置LCD复位RST控制管脚*/
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Pin = ILI9341_RST_PIN;
GPIO_Init ( ILI9341_RST_PORT, & GPIO_InitStructure );
/* 配置LCD背光控制管脚BK*/
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Pin = ILI9341_BK_PIN;
GPIO_Init ( ILI9341_BK_PORT, & GPIO_InitStructure );
}
/**
* @brief LCD FSMC 模式配置
* @param 无
* @retval 无
*/
static void ILI9341_FSMC_Config ( void )
{
FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure;
FSMC_NORSRAMTimingInitTypeDef readWriteTiming;
/* 使能FSMC时钟*/
RCC_AHBPeriphClockCmd ( RCC_AHBPeriph_FSMC, ENABLE );
//地址建立时间（ADDSET）为1个HCLK 2/72M=28ns
readWriteTiming.FSMC_AddressSetupTime = 0x01; //地址建立时间
//数据保持时间（DATAST）+ 1个HCLK = 5/72M=70ns
readWriteTiming.FSMC_DataSetupTime = 0x06; //数据建立时间
//选择控制的模式
//模式B,异步NOR FLASH模式，与ILI9341的8080时序匹配
readWriteTiming.FSMC_AccessMode = FSMC_AccessMode_B;
/*以下配置与模式B无关*/
//地址保持时间（ADDHLD）模式A未用到
readWriteTiming.FSMC_AddressHoldTime = 0x00; //地址保持时间
//设置总线转换周期，仅用于复用模式的NOR操作
readWriteTiming.FSMC_BusTurnAroundDuration = 0x00;
//设置时钟分频，仅用于同步类型的存储器
readWriteTiming.FSMC_CLKDivision = 0x00;
//数据保持时间，仅用于同步型的NOR
readWriteTiming.FSMC_DataLatency = 0x00;
FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAMx;
FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable;
FSMC_NORSRAMInitStructure.FSMC_MemoryType = FSMC_MemoryType_NOR;
FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b;
FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode = FSMC_BurstAccessMode_Disable;
FSMC_NORSRAMInitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low;
FSMC_NORSRAMInitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable;
FSMC_NORSRAMInitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState;
FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable;
FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable;
FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Disable;
FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable;
FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &readWriteTiming;
FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &readWriteTiming;
FSMC_NORSRAMInit ( & FSMC_NORSRAMInitStructure );
/* 使能 FSMC_Bank1_NORSRAM4 */
FSMC_NORSRAMCmd ( FSMC_Bank1_NORSRAMx, ENABLE );
}
//==================================================================================
//==============================命令初始化==========================================
//==================================================================================
/**
* @brief 向ILI9341写入命令
* @param usCmd :要写入的命令（表寄存器地址）
* @retval 无
*/
__inline void ILI9341_Write_Cmd ( uint16_t usCmd ){
* ( __IO uint16_t * ) ( FSMC_Addr_ILI9341_CMD ) = usCmd;
}
/**
* @brief 向ILI9341写入数据
* @param usData :要写入的数据
* @retval 无
*/
__inline void ILI9341_Write_Data ( uint16_t usData ){
* ( __IO uint16_t * ) ( FSMC_Addr_ILI9341_DATA ) = usData;
}
/**
* @brief 从ILI9341读取数据
* @param 无
* @retval 读取到的数据
*/
__inline __IO uint16_t ILI9341_Read_Data ( void ){
return ( * ( __IO uint16_t * ) ( FSMC_Addr_ILI9341_DATA ) );
}
/**
* @brief 用于 ILI9341 简单延时函数
* @param nCount ：延时计数值
* @retval 无
*/
void ILI9341_Delay ( __IO uint32_t nCount ){
for ( ; nCount != 0; nCount -- );
}
/**
* @brief ILI9341背光LED控制
* @param enumState ：决定是否使能背光LED
* 该参数为以下值之一：
* @arg ENABLE :使能背光LED
* @arg DISABLE :禁用背光LED
* @retval 无
*/
void ILI9341_BackLed_Control ( FunctionalState enumState )
{
if ( enumState )
GPIO_ResetBits ( ILI9341_BK_PORT, ILI9341_BK_PIN );
else
GPIO_SetBits ( ILI9341_BK_PORT, ILI9341_BK_PIN );
}
/**
* @brief ILI9341 软件复位
* @param 无
* @retval 无
*/
void ILI9341_Rst ( void )
{
GPIO_ResetBits ( ILI9341_RST_PORT, ILI9341_RST_PIN ); //低电平复位
ILI9341_Delay ( 0xAFF );
GPIO_SetBits ( ILI9341_RST_PORT, ILI9341_RST_PIN );
ILI9341_Delay ( 0xAFF );
}
//==================================================================================
//============================== 显示屏幕 初始化========================================
//==================================================================================
/**
* @brief 初始化ILI9341寄存器
* @param 无
* @retval 无
*/
static void ILI9341_REG_Config ( void )
{
/* Power control B (CFh) */
DEBUG_DELAY ();
ILI9341_Write_Cmd ( 0xCF );
ILI9341_Write_Data ( 0x00 );
ILI9341_Write_Data ( 0x81 );
ILI9341_Write_Data ( 0x30 );
/* Power on sequence control (EDh) */
DEBUG_DELAY ();
ILI9341_Write_Cmd ( 0xED );
ILI9341_Write_Data ( 0x64 );
ILI9341_Write_Data ( 0x03 );
ILI9341_Write_Data ( 0x12 );
ILI9341_Write_Data ( 0x81 );
/* Driver timing control A (E8h) */
DEBUG_DELAY ();
ILI9341_Write_Cmd ( 0xE8 );
ILI9341_Write_Data ( 0x85 );
ILI9341_Write_Data ( 0x10 );
ILI9341_Write_Data ( 0x78 );
/* Power control A (CBh) */
DEBUG_DELAY ();
ILI9341_Write_Cmd ( 0xCB );
ILI9341_Write_Data ( 0x39 );
ILI9341_Write_Data ( 0x2C );
ILI9341_Write_Data ( 0x00 );
ILI9341_Write_Data ( 0x34 );
ILI9341_Write_Data ( 0x02 );
/* Pump ratio control (F7h) */
DEBUG_DELAY ();
ILI9341_Write_Cmd ( 0xF7 );
ILI9341_Write_Data ( 0x20 );
/* Driver timing control B */
DEBUG_DELAY ();
ILI9341_Write_Cmd ( 0xEA );
ILI9341_Write_Data ( 0x00 );
ILI9341_Write_Data ( 0x00 );
/* Frame Rate Control (In Normal Mode/Full Colors) (B1h) */
DEBUG_DELAY ();
ILI9341_Write_Cmd ( 0xB1 );
ILI9341_Write_Data ( 0x00 );
ILI9341_Write_Data ( 0x1B );
/* Display Function Control (B6h) */
DEBUG_DELAY ();
ILI9341_Write_Cmd ( 0xB6 );
ILI9341_Write_Data ( 0x0A );
ILI9341_Write_Data ( 0xA2 );
/* Power Control 1 (C0h) */
DEBUG_DELAY ();
ILI9341_Write_Cmd ( 0xC0 );
ILI9341_Write_Data ( 0x35 );
/* Power Control 2 (C1h) */
DEBUG_DELAY ();
ILI9341_Write_Cmd ( 0xC1 );
ILI9341_Write_Data ( 0x11 );
/* VCOM Control 1 (C5h) */
ILI9341_Write_Cmd ( 0xC5 );
ILI9341_Write_Data ( 0x45 );
ILI9341_Write_Data ( 0x45 );
/* VCOM Control 2 (C7h) */
ILI9341_Write_Cmd ( 0xC7 );
ILI9341_Write_Data ( 0xA2 );
/* Enable 3G (F2h) */
ILI9341_Write_Cmd ( 0xF2 );
ILI9341_Write_Data ( 0x00 );
/* Gamma Set (26h) */
ILI9341_Write_Cmd ( 0x26 );
ILI9341_Write_Data ( 0x01 );
DEBUG_DELAY ();
/* Positive Gamma Correction */
ILI9341_Write_Cmd ( 0xE0 ); //Set Gamma
ILI9341_Write_Data ( 0x0F );
ILI9341_Write_Data ( 0x26 );
ILI9341_Write_Data ( 0x24 );
ILI9341_Write_Data ( 0x0B );
ILI9341_Write_Data ( 0x0E );
ILI9341_Write_Data ( 0x09 );
ILI9341_Write_Data ( 0x54 );
ILI9341_Write_Data ( 0xA8 );
ILI9341_Write_Data ( 0x46 );
ILI9341_Write_Data ( 0x0C );
ILI9341_Write_Data ( 0x17 );
ILI9341_Write_Data ( 0x09 );
ILI9341_Write_Data ( 0x0F );
ILI9341_Write_Data ( 0x07 );
ILI9341_Write_Data ( 0x00 );
/* Negative Gamma Correction (E1h) */
ILI9341_Write_Cmd ( 0XE1 ); //Set Gamma
ILI9341_Write_Data ( 0x00 );
ILI9341_Write_Data ( 0x19 );
ILI9341_Write_Data ( 0x1B );
ILI9341_Write_Data ( 0x04 );
ILI9341_Write_Data ( 0x10 );
ILI9341_Write_Data ( 0x07 );
ILI9341_Write_Data ( 0x2A );
ILI9341_Write_Data ( 0x47 );
ILI9341_Write_Data ( 0x39 );
ILI9341_Write_Data ( 0x03 );
ILI9341_Write_Data ( 0x06 );
ILI9341_Write_Data ( 0x06 );
ILI9341_Write_Data ( 0x30 );
ILI9341_Write_Data ( 0x38 );
ILI9341_Write_Data ( 0x0F );
/* memory access control set */
DEBUG_DELAY ();
ILI9341_Write_Cmd ( 0x36 );
ILI9341_Write_Data ( 0xC8 ); /*竖屏 左上角到 (起点)到右下角 (终点)扫描方式*/
DEBUG_DELAY ();
/* column address control set */
ILI9341_Write_Cmd ( CMD_SetCoordinateX );
ILI9341_Write_Data ( 0x00 );
ILI9341_Write_Data ( 0x00 );
ILI9341_Write_Data ( 0x00 );
ILI9341_Write_Data ( 0xEF );
/* page address control set */
DEBUG_DELAY ();
ILI9341_Write_Cmd ( CMD_SetCoordinateY );
ILI9341_Write_Data ( 0x00 );
ILI9341_Write_Data ( 0x00 );
ILI9341_Write_Data ( 0x01 );
ILI9341_Write_Data ( 0x3F );
/* Pixel Format Set (3Ah) */
DEBUG_DELAY ();
ILI9341_Write_Cmd ( 0x3a );
ILI9341_Write_Data ( 0x55 );
/* Sleep Out (11h) */
ILI9341_Write_Cmd ( 0x11 );
ILI9341_Delay ( 0xAFFf<<2 );
DEBUG_DELAY ();
/* Display ON (29h) */
ILI9341_Write_Cmd ( 0x29 );
}
/**
* @brief uint16_t ILI9341_Read_Pixel_Pormat(void)
* @param 无
* @retval 读取到的数据
*/
static __IO uint16_t ILI9341_Read_Pixel_Pormat(void){
ILI9341_Write_Cmd(0x0C);
ILI9341_Read_Data();
return (__IO uint16_t) ILI9341_Read_Data();
}
/**
* @brief 设置ILI9341的GRAM的扫描方向
* @param ucOption ：选择GRAM的扫描方向
* @arg 0-7 :参数可选值为0-7这八个方向
*
* ！！！其中0、3、5、6 模式适合从左至右显示文字，
* 不推荐使用其它模式显示文字 其它模式显示文字会有镜像效果
*
* 其中0、2、4、6 模式的X方向像素为240，Y方向像素为320
* 其中1、3、5、7 模式下X方向像素为320，Y方向像素为240
*
* 其中 6 模式为大部分液晶例程的默认显示方向
* 其中 3 模式为摄像头例程使用的方向
* 其中 0 模式为BMP图片显示例程使用的方向
*
* @retval 无
* @note 坐标图例：A表示向上，V表示向下，<表示向左，>表示向右
X表示X轴，Y表示Y轴
------------------------------------------------------------
模式0： . 模式1： . 模式2： . 模式3：
A . A . A . A
| . | . | . |
Y . X . Y . X
0 . 1 . 2 . 3
<--- X0 o . <----Y1 o . o 2X---> . o 3Y--->
------------------------------------------------------------
模式4： . 模式5： . 模式6： . 模式7：
<--- X4 o . <--- Y5 o . o 6X---> . o 7Y--->
4 . 5 . 6 . 7
Y . X . Y . X
| . | . | . |
V . V . V . V
---------------------------------------------------------
LCD屏示例
|-----------------|
| 野火Logo |
| |
| |
| |
| |
| |
| |
| |
| |
|-----------------|
屏幕正面（宽240，高320）
*******************************************************/
void ILI9341_GramScan ( uint8_t ucOption ){
//参数检查，只可输入0-7
if(ucOption >7 )
return;
//根据模式更新LCD_SCAN_MODE的值，主要用于触摸屏选择计算参数
LCD_SCAN_MODE = ucOption;
//根据模式更新XY方向的像素宽度
if(ucOption%2 == 0)
{
//0 2 4 6模式下X方向像素宽度为240，Y方向为320
LCD_X_LENGTH = ILI9341_LESS_PIXEL;
LCD_Y_LENGTH = ILI9341_MORE_PIXEL;
}
else
{
//1 3 5 7模式下X方向像素宽度为320，Y方向为240
LCD_X_LENGTH = ILI9341_MORE_PIXEL;
LCD_Y_LENGTH = ILI9341_LESS_PIXEL;
}
//0x36命令参数的高3位可用于设置GRAM扫描方向
ILI9341_Write_Cmd ( 0x36 );
ILI9341_Write_Data ( 0x08 |(ucOption<<5));//根据ucOption的值设置LCD参数，共0-7种模式
ILI9341_Write_Cmd ( CMD_SetCoordinateX );
ILI9341_Write_Data ( 0x00 ); /* x 起始坐标高8位 */
ILI9341_Write_Data ( 0x00 ); /* x 起始坐标低8位 */
ILI9341_Write_Data ( ((LCD_X_LENGTH-1)>>8)&0xFF ); /* x 结束坐标高8位 */
ILI9341_Write_Data ( (LCD_X_LENGTH-1)&0xFF ); /* x 结束坐标低8位 */
ILI9341_Write_Cmd ( CMD_SetCoordinateY );
ILI9341_Write_Data ( 0x00 ); /* y 起始坐标高8位 */
ILI9341_Write_Data ( 0x00 ); /* y 起始坐标低8位 */
ILI9341_Write_Data ( ((LCD_Y_LENGTH-1)>>8)&0xFF ); /* y 结束坐标高8位 */
ILI9341_Write_Data ( (LCD_Y_LENGTH-1)&0xFF ); /* y 结束坐标低8位 */
/* write gram start */
ILI9341_Write_Cmd ( CMD_SetPixel );
}
//==================================================================================
//============================== 主程序初始化========================================
//==================================================================================
/**
* @brief ILI9341初始化函数，如果要用到lcd，一定要调用这个函数
* @param 无
* @retval 无
*/
__IO uint16_t ILI9341_Init (void){
ILI9341_GPIO_Config ();
ILI9341_FSMC_Config ();
ILI9341_Rst ();
ILI9341_BackLed_Control ( ENABLE ); //点亮LCD背光灯
ILI9341_REG_Config();
//设置默认扫描方向，其中 6 模式为大部分液晶例程的默认显示方向
ILI9341_GramScan(_LCD_SCAN_MODE );
return (__IO uint16_t)ILI9341_Read_Pixel_Pormat();
}
建立 LCD 绘制函数文件LCD_Draw_book.h
代码如下 ：
#ifndef __LCD_DRAW_BOOK_H
#define __LCD_DRAW_BOOK_H
#include "stm32f10x.h"
#include "LCD_book.h"
#include "fonts.h"
#include "USART_book.h"
/******************************* 定义 ILI934 显示屏常用颜色 ********************************/
#define BACKGROUND BLACK //默认背景颜色
#define WHITE 0xFFFF //白色
#define BLACK 0x0000 //黑色
#define GREY 0xF7DE //灰色
#define BLUE 0x001F //蓝色
#define BLUE2 0x051F //浅蓝色
#define RED 0xF800 //红色
#define MAGENTA 0xF81F //红紫色，洋红色
#define GREEN 0x07E0 //绿色
#define CYAN 0x7FFF //蓝绿色，青色
#define YELLOW 0xFFE0 //黄色
#define BRED 0xF81F
#define GRED 0xFFE0
#define GBLUE 0x07FF
//1110 1100 1101 0101 1010 1111
//11101 110101 10101
//GB565(Rh,Gh,Bh) (((Rh&0xf8)<<8)|((Gh&0xfc)<<3)|((Bh&0xf8)>>3))
//GB888(RGB) ((((RGB&0xf80000)) | ((RGB&0x00fc00)<<3)| ((RGB&0x0000f8)<<5))>>8)
#define GB565(Rh,Gh,Bh) (((Rh&0xf8)<<8)|((Gh&0xfc)<<3)|((Bh&0xf8)>>3))
#define GB888(RGB) ((((RGB&0xf80000)) | ((RGB&0x00fc00)<<3)| ((RGB&0x0000f8)<<5))>>8)
extern sFONT *LCD_Currentfonts ; //英文字体
extern uint16_t CurrentForecolor ;//前景色
extern uint16_t CurrentBackColor ;//背景色
//================================ 接口函数=======================================
void ILI9341_OpenWindow (
uint16_t usX, //usX ：在特定扫描方向下窗口的起点X坐标
uint16_t usY, //usY ：在特定扫描方向下窗口的起点Y坐标
uint16_t usWidth, //usWidth ：窗口的宽度
uint16_t usHeight //usHeight ：窗口的高度
);
static void ILI9341_SetCursor (
uint16_t usX, // usX ：在特定扫描方向下光标的X坐标
uint16_t usY, // usY ：在特定扫描方向下光标的Y坐标
uint16_t usW
);
static __inline void ILI9341_FillColor (
uint32_t ulAmout_Point,// ulAmout_Point ：要填充颜色的像素点的总数目
uint16_t usColor // usColor ：颜色
);
void ILI9341_Clear (
uint16_t usX, //usX ：在特定扫描方向下窗口的起点X坐标
uint16_t usY, //usY ：在特定扫描方向下窗口的起点Y坐标
uint16_t usWidth, //usWidth ：窗口的宽度
uint16_t usHeight //usHeight ：窗口的高度
);
void LCD_ClearLine(uint16_t Line);
//================================ 颜色状态函数=======================================
void LCD_SetColors(uint16_t TextColor, uint16_t BackColor); //设置LCD的前景(字体)及背景颜色,RGB565
void LCD_SetForeColor(uint16_t Color);//设置LCD的前景(字体)颜色,RGB565
void LCD_SetBackColor(uint16_t Color); //设置LCD的背景颜色,RGB565
//================================ 形状绘制应用函数=======================================
void ILI9341_SetPointPixel (
uint16_t usX, //usX ：在特定扫描方向下该点的X坐标
uint16_t usY, //usY ：在特定扫描方向下该点的Y坐标
uint16_t usW //usW ：在特定扫描宽度
);
void ILI9341_DrawLine ( //在 ILI9341 显示器上使用 Bresenham 算法画线段
uint16_t usX1, //usX1 ：在特定扫描方向下线段的一个端点X坐标
uint16_t usY1, //usY1 ：在特定扫描方向下线段的一个端点Y坐标
uint16_t usX2, //usX2 ：在特定扫描方向下线段的另一个端点X坐标
uint16_t usY2, //usY2 ：在特定扫描方向下线段的另一个端点Y坐标
uint16_t usW
);
void ILI9341_DrawRectangle (
uint16_t usX_Start, //X坐标
uint16_t usY_Start, //Y坐标
uint16_t usWidth, //X宽度
uint16_t usHeight, //Y宽度
uint8_t ucFilled , //填充类型
uint16_t usW //填充线宽度
);
void ILI9341_DrawCircle (
uint16_t usX_Center, //usX_Center ：在特定扫描方向下圆心的X坐标
uint16_t usY_Center, //usY_Center ：在特定扫描方向下圆心的Y坐标
uint16_t usRadius, //usRadius：圆的半径（单位：像素）
uint8_t ucFilled , //ucFilled ：选择是否填充该圆
uint16_t usW
);
void ILI9341_DrawCross ( uint16_t usX, uint16_t usY );
//================================ 文字颜色状态绘制应用函数=======================================
void LCD_SetTextColor(uint16_t Color);
void LCD_SetFont(sFONT *fonts);
sFONT *LCD_GetFont(void);
//================================ 文字绘制应用函数=======================================
//================================ 英文文字绘制应用函数====================================
void ILI9341_DispChar_EN (
uint16_t usX,
uint16_t usY,
const char cChar );
void ILI9341_DispStringLine_EN (
uint16_t line,
char * pStr
);
void ILI9341_DispString_EN (
uint16_t usX ,
uint16_t usY,
char * pStr
);
void ILI9341_DispString_EN_YDir (
uint16_t usX,uint16_t usY ,
char * pStr
);
//================================ 中文文字绘制应用函数====================================
void ILI9341_DispChar_CH ( //在 ILI9341 显示器上显示一个中文字符
uint16_t usX,
uint16_t usY,
uint16_t usChar
);
void ILI9341_DispString_CH ( //在 ILI9341 显示器上显示中文字符串
uint16_t usX ,
uint16_t usY,
char * pStr
);
void ILI9341_DispStringLine_EN_CH (
uint16_t line, //line ：在特定扫描方向下字符串的起始Y坐标
char * pStr //pStr ：要显示的字符串的首地址
);
void ILI9341_DispString_EN_CH (
uint16_t usX , //在特定扫描方向下字符的起始X坐标
uint16_t usY, //在特定扫描方向下字符的起始Y坐标
char * pStr //要显示的字符串的首地址
);
void ILI9341_DispString_EN_CH_YDir (
uint16_t usX, //usX ：在特定扫描方向下字符的起始X坐标
uint16_t usY, //usY ：在特定扫描方向下字符的起始Y坐标
char * pStr //要显示的中英文字符串的首地址
);
/***********************缩放字体****************************/
void ILI9341_zoomChar(
uint16_t in_width, //原始字符宽度
uint16_t in_heig, //原始字符高度
uint16_t out_width, //缩放后的字符宽度
uint16_t out_heig, //缩放后的字符高度
uint8_t *in_ptr, //字库输入指针 注意：1pixel 1bit
uint8_t *out_ptr, //缩放后的字符输出指针 注意: 1pixel 8bit
uint8_t en_cn //0为英文，1为中文
);
void ILI9341_DrawChar_Ex(
uint16_t usX, //字符显示位置x
uint16_t usY, //字符显示位置y
uint16_t Font_width, //字符宽度
uint16_t Font_Height, //字符高度
uint8_t *c, //字模数据
uint16_t DrawModel //是否反色显示
);
void ILI9341_DisplayStringEx(
uint16_t x, //字符显示位置x
uint16_t y, //字符显示位置y
uint16_t Font_width, //要显示的字体宽度，英文字符在此基础上/2。注意为偶数
uint16_t Font_Height, //要显示的字体高度，注意为偶数
uint8_t *ptr, //显示的字符内容
uint16_t DrawModel //是否反色显示
);
void ILI9341_DisplayStringEx_YDir(
uint16_t x, //字符显示位置x
uint16_t y, //字符显示位置y
uint16_t Font_width, //要显示的字体宽度，英文字符在此基础上/2。注意为偶数
uint16_t Font_Height, //要显示的字体高度，注意为偶数
uint8_t *ptr, //显示的字符内容
uint16_t DrawModel //是否反色显示
);
#endif /* __BSP_ILI9341_ILI9341_H */
建立 LCD 绘制文件LCD_Draw_book.c
代码如下 ：
#include "LCD_Draw_book.h"
sFONT *LCD_Currentfonts = &Font8x16; //英文字体
uint16_t CurrentForecolor = BLACK;//前景色
uint16_t CurrentBackColor = BACKGROUND;//背景色
//================================ 接口函数=======================================
/**
* @brief 在ILI9341显示器上开辟一个窗口
* @param usX ：在特定扫描方向下窗口的起点X坐标
* @param usY ：在特定扫描方向下窗口的起点Y坐标
* @param usWidth ：窗口的宽度
* @param usHeight ：窗口的高度
* @retval 无
*/
void ILI9341_OpenWindow ( uint16_t usX, uint16_t usY, uint16_t usWidth, uint16_t usHeight ){
ILI9341_Write_Cmd ( CMD_SetCoordinateX ); /* 设置X坐标 */
ILI9341_Write_Data ( (usX & 0xFF00) >> 8 ); /* 先高8位，然后低8位 */
ILI9341_Write_Data ( usX & 0xff ); /* 设置起始点和结束点*/
ILI9341_Write_Data ( ( usX + usWidth - 1 ) >> 8 );
ILI9341_Write_Data ( ( usX + usWidth - 1 ) & 0xff );
ILI9341_Write_Cmd ( CMD_SetCoordinateY ); /* 设置Y坐标*/
ILI9341_Write_Data ( (usY & 0xFF00 )>> 8 );
ILI9341_Write_Data ( usY & 0xff );
ILI9341_Write_Data ( ( usY + usHeight - 1 ) >> 8 );
ILI9341_Write_Data ( ( usY + usHeight - 1) & 0xff );
}
/**
* @brief 设定ILI9341的光标坐标
* @param usX ：在特定扫描方向下光标的X坐标
* @param usY ：在特定扫描方向下光标的Y坐标
* @retval 无
*/
static void ILI9341_SetCursor (
uint16_t usX,
uint16_t usY,
uint16_t usW
){
ILI9341_OpenWindow ( usX, usY, usW, usW );
}
/**
* @brief 读取ILI9341 GRAN 的一个像素数据
* @param 无
* @retval 像素数据
*/
static uint16_t ILI9341_Read_PixelData ( void )
{
uint16_t usR=0, usG=0, usB=0 ;
ILI9341_Write_Cmd ( 0x2E ); /* 读数据 */
usR = ILI9341_Read_Data (); /*FIRST READ OUT DUMMY DATA*/
usR = ILI9341_Read_Data (); /*READ OUT RED DATA */
usB = ILI9341_Read_Data (); /*READ OUT BLUE DATA*/
usG = ILI9341_Read_Data (); /*READ OUT GREEN DATA*/
return ( ( ( usR >> 11 ) << 11 ) | ( ( usG >> 10 ) << 5 ) | ( usB >> 11 ) );
}
/**
* @brief 获取 ILI9341 显示器上某一个坐标点的像素数据
* @param usX ：在特定扫描方向下该点的X坐标
* @param usY ：在特定扫描方向下该点的Y坐标
* @retval 像素数据
*/
uint16_t ILI9341_GetPointPixel ( uint16_t usX, uint16_t usY )
{
uint16_t usPixelData;
ILI9341_SetCursor ( usX, usY ,1);
usPixelData = ILI9341_Read_PixelData ();
return usPixelData;
}
/**
* @brief 在ILI9341显示器上以某一颜色填充像素点
* @param ulAmout_Point ：要填充颜色的像素点的总数目
* @param usColor ：颜色
* @retval 无
*/
static __inline void ILI9341_FillColor ( uint32_t ulAmout_Point, uint16_t usColor ){
uint32_t i = 0;
/* memory write */
ILI9341_Write_Cmd ( CMD_SetPixel );
for ( i = 0; i < ulAmout_Point; i ++ )
ILI9341_Write_Data ( usColor );
}
/**
* @brief 对ILI9341显示器的某一窗口以某种颜色进行清屏
* @param usX ：在特定扫描方向下窗口的起点X坐标
* @param usY ：在特定扫描方向下窗口的起点Y坐标
* @param usWidth ：窗口的宽度
* @param usHeight ：窗口的高度
* @note 可使用LCD_SetBackColor、LCD_SetTextColor、LCD_SetColors函数设置颜色
* @retval 无
*/
void ILI9341_Clear (
uint16_t usX,
uint16_t usY,
uint16_t usWidth,
uint16_t usHeight
){
ILI9341_OpenWindow ( usX, usY, usWidth, usHeight );
ILI9341_FillColor ( usWidth * usHeight, CurrentBackColor );
}
/**
* @brief 清除某行文字
* @param Line: 指定要删除的行
* 本参数可使用宏LINE(0)、LINE(1)等方式指定要删除的行，
* 宏LINE(x)会根据当前选择的字体来计算Y坐标值，并删除当前字体高度的第x行。
* @retval None
*/
void LCD_ClearLine(uint16_t Line){
ILI9341_Clear(0,Line,LCD_X_LENGTH,((sFONT *)LCD_GetFont())->Height); /* 清屏，显示全黑 */
}
//================================ 颜色状态函数=======================================
/**
* @brief 设置LCD的前景(字体)及背景颜色,RGB565
* @param TextColor: 指定前景(字体)颜色
* @param BackColor: 指定背景颜色
* @retval None
*/
void LCD_SetColors(uint16_t TextColor, uint16_t BackColor){
CurrentForecolor = TextColor;
CurrentBackColor = BackColor;
}
/**
* @brief 设置LCD的前景(字体)颜色,RGB565
* @param Color: 指定前景(字体)颜色
* @retval None
*/
void LCD_SetForeColor(uint16_t Color){
CurrentForecolor = Color;
}
/**
* @brief 设置LCD的背景颜色,RGB565
* @param Color: 指定背景颜色
* @retval None
*/
void LCD_SetBackColor(uint16_t Color){
CurrentBackColor = Color;
}
//================================ 形状绘制应用函数=======================================
/**
* @brief 对ILI9341显示器的某一点以某种颜色进行填充
* @param usX ：在特定扫描方向下该点的X坐标
* @param usY ：在特定扫描方向下该点的Y坐标
* @param usW ：在特定扫描宽度
* @note 可使用LCD_SetBackColor、LCD_SetTextColor、LCD_SetColors函数设置颜色
* @retval 无
*/
void ILI9341_SetPointPixel (
uint16_t usX,
uint16_t usY,
uint16_t usW
){
if ( ( usX < LCD_X_LENGTH ) && ( usY < LCD_Y_LENGTH ) ){
ILI9341_SetCursor ( usX, usY ,usW);
ILI9341_FillColor ( usW*usW, CurrentForecolor );
}
}
/**
* @brief 在 ILI9341 显示器上使用 Bresenham 算法画线段
* @param usX1 ：在特定扫描方向下线段的一个端点X坐标
* @param usY1 ：在特定扫描方向下线段的一个端点Y坐标
* @param usX2 ：在特定扫描方向下线段的另一个端点X坐标
* @param usY2 ：在特定扫描方向下线段的另一个端点Y坐标
* @note 可使用LCD_SetBackColor、LCD_SetTextColor、LCD_SetColors函数设置颜色
* @retval 无
*/
void ILI9341_DrawLine (
uint16_t usX1,
uint16_t usY1,
uint16_t usX2,
uint16_t usY2,
uint16_t usW
){
uint16_t us;
uint16_t usX_Current, usY_Current;
int32_t lError_X = 0, lError_Y = 0, lDelta_X, lDelta_Y, lDistance;
int32_t lIncrease_X, lIncrease_Y;
lDelta_X = usX2 - usX1; //计算坐标增量
lDelta_Y = usY2 - usY1;
usX_Current = usX1;
usY_Current = usY1;
if (lDelta_X > 0) lIncrease_X = 1; //设置单步方向
else if (lDelta_X == 0) lIncrease_X = 0;//垂直线
else {
lIncrease_X = -1;
lDelta_X = - lDelta_X;
}
if (lDelta_Y > 0) lIncrease_Y = 1;
else if (lDelta_Y == 0) lIncrease_Y = 0;//水平线
else {
lIncrease_Y = -1;
lDelta_Y = - lDelta_Y;
}
if (lDelta_X > lDelta_Y )
lDistance = lDelta_X; //选取基本增量坐标轴
else
lDistance = lDelta_Y;
//-------------------进行化线处理--------------------
for ( us = 0; us <= lDistance + 1; us ++ ){
//画线输出
ILI9341_SetPointPixel ( usX_Current, usY_Current , usW );//画点
lError_X += lDelta_X ;
lError_Y += lDelta_Y ;
if ( lError_X > lDistance )
{
lError_X -= lDistance;
usX_Current += lIncrease_X;
}
if ( lError_Y > lDistance )
{
lError_Y -= lDistance;
usY_Current += lIncrease_Y;
}
}
}
/**
* @brief 在 ILI9341 显示器上画一个矩形
* @param usX_Start ：在特定扫描方向下矩形的起始点X坐标
* @param usY_Start ：在特定扫描方向下矩形的起始点Y坐标
* @param usWidth：矩形的宽度（单位：像素）
* @param usHeight：矩形的高度（单位：像素）
* @param ucFilled ：选择是否填充该矩形
* 该参数为以下值之一：
* @arg 0 :空心矩形
* @arg 1 :实心矩形
* @note 可使用LCD_SetBackColor、LCD_SetTextColor、LCD_SetColors函数设置颜色
* @retval 无
*/
void ILI9341_DrawRectangle (
uint16_t usX_Start, //X坐标
uint16_t usY_Start, //Y坐标
uint16_t usWidth, //X宽度
uint16_t usHeight, //Y宽度
uint8_t ucFilled , //填充类型
uint16_t usW //填充线宽度
){
if ( ucFilled ){
ILI9341_OpenWindow ( usX_Start, usY_Start, usWidth, usHeight );
ILI9341_FillColor ( usWidth * usHeight ,CurrentForecolor);
}
else {
ILI9341_DrawLine ( usX_Start, usY_Start, usX_Start + usWidth - 1, usY_Start ,usW);
ILI9341_DrawLine ( usX_Start, usY_Start + usHeight - 1, usX_Start + usWidth - 1, usY_Start + usHeight - 1 ,usW);
ILI9341_DrawLine ( usX_Start, usY_Start, usX_Start, usY_Start + usHeight - 1 ,usW);
ILI9341_DrawLine ( usX_Start + usWidth - 1, usY_Start, usX_Start + usWidth - 1, usY_Start + usHeight - 1 ,usW);
}
}
/**
* @brief 在 ILI9341 显示器上使用 Bresenham 算法画圆
* @param usX_Center ：在特定扫描方向下圆心的X坐标
* @param usY_Center ：在特定扫描方向下圆心的Y坐标
* @param usRadius：圆的半径（单位：像素）
* @param ucFilled ：选择是否填充该圆
* 该参数为以下值之一：
* @arg 0 :空心圆
* @arg 1 :实心圆
* @note 可使用LCD_SetBackColor、LCD_SetTextColor、LCD_SetColors函数设置颜色
* @retval 无
*/
void ILI9341_DrawCircle (
uint16_t usX_Center,
uint16_t usY_Center,
uint16_t usRadius,
uint8_t ucFilled ,
uint16_t usW
){
int16_t sCurrentX, sCurrentY;
int16_t sError;
sCurrentX = 0; sCurrentY = usRadius;
sError = 3 - ( usRadius << 1 ); //判断下个点位置的标志
while ( sCurrentX <= sCurrentY ){
int16_t sCountY;
if ( ucFilled )
for ( sCountY = sCurrentX; sCountY <= sCurrentY; sCountY ++ )
{
ILI9341_SetPointPixel ( usX_Center + sCurrentX, usY_Center + sCountY ,usW ); //1，研究对象
ILI9341_SetPointPixel ( usX_Center - sCurrentX, usY_Center + sCountY ,usW); //2
ILI9341_SetPointPixel ( usX_Center - sCountY, usY_Center + sCurrentX ,usW); //3
ILI9341_SetPointPixel ( usX_Center - sCountY, usY_Center - sCurrentX ,usW); //4
ILI9341_SetPointPixel ( usX_Center - sCurrentX, usY_Center - sCountY ,usW); //5
ILI9341_SetPointPixel ( usX_Center + sCurrentX, usY_Center - sCountY ,usW); //6
ILI9341_SetPointPixel ( usX_Center + sCountY, usY_Center - sCurrentX ,usW); //7
ILI9341_SetPointPixel ( usX_Center + sCountY, usY_Center + sCurrentX ,usW); //0
}
else
{
ILI9341_SetPointPixel ( usX_Center + sCurrentX, usY_Center + sCurrentY ,usW ); //1，研究对象
ILI9341_SetPointPixel ( usX_Center - sCurrentX, usY_Center + sCurrentY ,usW ); //2
ILI9341_SetPointPixel ( usX_Center - sCurrentY, usY_Center + sCurrentX ,usW ); //3
ILI9341_SetPointPixel ( usX_Center - sCurrentY, usY_Center - sCurrentX ,usW ); //4
ILI9341_SetPointPixel ( usX_Center - sCurrentX, usY_Center - sCurrentY ,usW ); //5
ILI9341_SetPointPixel ( usX_Center + sCurrentX, usY_Center - sCurrentY ,usW ); //6
ILI9341_SetPointPixel ( usX_Center + sCurrentY, usY_Center - sCurrentX ,usW ); //7
ILI9341_SetPointPixel ( usX_Center + sCurrentY, usY_Center + sCurrentX ,usW ); //0
}
sCurrentX ++;
if ( sError < 0 ) sError += 4 * sCurrentX + 6;
else{
sError += 10 + 4 * ( sCurrentX - sCurrentY );
sCurrentY --;
}
}
}
/**
* @brief 在 ILI9341 上显示校正触摸时需要的十字
* @param usX ：在特定扫描方向下十字交叉点的X坐标
* @param usY ：在特定扫描方向下十字交叉点的Y坐标
* @retval 无
*/
void ILI9341_DrawCross ( uint16_t usX, uint16_t usY ){
ILI9341_DrawLine(usX-10,usY,usX+10,usY,2);
ILI9341_DrawLine(usX, usY - 10, usX, usY+10,2);
}
//================================ 文字颜色状态绘制应用函数=======================================
void LCD_SetTextColor(uint16_t Color){
CurrentForecolor = Color;
}
/**
* @brief 设置英文字体类型
* @param fonts: 指定要选择的字体
* 参数为以下值之一
* @arg：Font24x32;
* @arg：Font16x24;
* @arg：Font8x16;
* @retval None
*/
void LCD_SetFont(sFONT *fonts)
{
LCD_Currentfonts = fonts;
}
/**
* @brief 获取当前字体类型
* @param None.
* @retval 返回当前字体类型
*/
sFONT *LCD_GetFont(void)
{
return LCD_Currentfonts;
}
//================================ 文字绘制应用函数=======================================
//================================ 英文文字绘制应用函数====================================
/**
* @brief 在 ILI9341 显示器上显示一个英文字符
* @param usX ：在特定扫描方向下字符的起始X坐标
* @param usY ：在特定扫描方向下该点的起始Y坐标
* @param cChar ：要显示的英文字符
* @note 可使用LCD_SetBackColor、LCD_SetTextColor、LCD_SetColors函数设置颜色
* @retval 无
*/
void ILI9341_DispChar_EN ( uint16_t usX, uint16_t usY, const char cChar )
{
uint8_t byteCount, bitCount,fontLength;
uint16_t ucRelativePositon;
uint8_t *Pfont;
uint16_t back_color = ILI9341_GetPointPixel(usX,usY);
//对ascii码表偏移（字模表不包含ASCII表的前32个非图形符号）
ucRelativePositon = cChar - ' ';
//每个字模的字节数
fontLength = (LCD_Currentfonts->Width*LCD_Currentfonts->Height)/8;
//字模首地址
/*ascii码表偏移值乘以每个字模的字节数，求出字模的偏移位置*/
Pfont = (uint8_t *)&LCD_Currentfonts->table[ucRelativePositon * fontLength];
//设置显示窗口
ILI9341_OpenWindow ( usX, usY, LCD_Currentfonts->Width, LCD_Currentfonts->Height);
ILI9341_Write_Cmd ( CMD_SetPixel );
//按字节读取字模数据
//由于前面直接设置了显示窗口，显示数据会自动换行
for ( byteCount = 0; byteCount < fontLength; byteCount++ )
{
//一位一位处理要显示的颜色
for ( bitCount = 0; bitCount < 8; bitCount++ )
{
if ( Pfont[byteCount] & (0x80>>bitCount) )
ILI9341_Write_Data ( CurrentForecolor );
else
ILI9341_Write_Data (back_color);
}
}
}
/**
* @brief 在 ILI9341 显示器上显示英文字符串
* @param line ：在特定扫描方向下字符串的起始Y坐标
* 本参数可使用宏LINE(0)、LINE(1)等方式指定文字坐标，
* 宏LINE(x)会根据当前选择的字体来计算Y坐标值。
* 显示中文且使用LINE宏时，需要把英文字体设置成Font8x16
* @param pStr ：要显示的英文字符串的首地址
* @note 可使用LCD_SetBackColor、LCD_SetTextColor、LCD_SetColors函数设置颜色
* @retval 无
*/
void ILI9341_DispStringLine_EN ( uint16_t line, char * pStr ){
uint16_t usX = 0;
while ( * pStr != '\0' )
{
if ( ( usX - ILI9341_DispWindow_X_Star + LCD_Currentfonts->Width ) > LCD_X_LENGTH )
{
usX = ILI9341_DispWindow_X_Star;
line += LCD_Currentfonts->Height;
}
if ( ( line - ILI9341_DispWindow_Y_Star + LCD_Currentfonts->Height ) > LCD_Y_LENGTH )
{
usX = ILI9341_DispWindow_X_Star;
line = ILI9341_DispWindow_Y_Star;
}
ILI9341_DispChar_EN ( usX, line, * pStr);
pStr ++;
usX += LCD_Currentfonts->Width;
}
}
/**
* @brief 在 ILI9341 显示器上显示英文字符串
* @param usX ：在特定扫描方向下字符的起始X坐标
* @param usY ：在特定扫描方向下字符的起始Y坐标
* @param pStr ：要显示的英文字符串的首地址
* @note 可使用LCD_SetBackColor、LCD_SetTextColor、LCD_SetColors函数设置颜色
* @retval 无
*/
void ILI9341_DispString_EN ( uint16_t usX ,uint16_t usY, char * pStr ){
while ( * pStr != '\0' )
{
if ( ( usX - ILI9341_DispWindow_X_Star + LCD_Currentfonts->Width ) > LCD_X_LENGTH )
{
usX = ILI9341_DispWindow_X_Star;
usY += LCD_Currentfonts->Height;
}
if ( ( usY - ILI9341_DispWindow_Y_Star + LCD_Currentfonts->Height ) > LCD_Y_LENGTH )
{
usX = ILI9341_DispWindow_X_Star;
usY = ILI9341_DispWindow_Y_Star;
}
ILI9341_DispChar_EN ( usX, usY, * pStr);
pStr ++;
usX += LCD_Currentfonts->Width;
}
}
/**
* @brief 在 ILI9341 显示器上显示英文字符串(沿Y轴方向)
* @param usX ：在特定扫描方向下字符的起始X坐标
* @param usY ：在特定扫描方向下字符的起始Y坐标
* @param pStr ：要显示的英文字符串的首地址
* @note 可使用LCD_SetBackColor、LCD_SetTextColor、LCD_SetColors函数设置颜色
* @retval 无
*/
void ILI9341_DispString_EN_YDir ( uint16_t usX,uint16_t usY , char * pStr )
{
while ( * pStr != '\0' )
{
if ( ( usY - ILI9341_DispWindow_Y_Star + LCD_Currentfonts->Height ) >LCD_Y_LENGTH )
{
usY = ILI9341_DispWindow_Y_Star;
usX += LCD_Currentfonts->Width;
}
if ( ( usX - ILI9341_DispWindow_X_Star + LCD_Currentfonts->Width ) > LCD_X_LENGTH)
{
usX = ILI9341_DispWindow_X_Star;
usY = ILI9341_DispWindow_Y_Star;
}
ILI9341_DispChar_EN ( usX, usY, * pStr);
pStr ++;
usY += LCD_Currentfonts->Height;
}
}
//================================ 中文文字绘制应用函数====================================
/**
* @brief 在 ILI9341 显示器上显示一个中文字符
* @param usX ：在特定扫描方向下字符的起始X坐标
* @param usY ：在特定扫描方向下字符的起始Y坐标
* @param usChar ：要显示的中文字符（国标码）
* @note 可使用LCD_SetBackColor、LCD_SetTextColor、LCD_SetColors函数设置颜色
* @retval 无
*/
void ILI9341_DispChar_CH ( uint16_t usX, uint16_t usY, uint16_t usChar )
{
uint8_t rowCount, bitCount;
uint8_t ucBuffer [ WIDTH_CH_CHAR*HEIGHT_CH_CHAR/8 ]; //16*16*8
uint16_t usTemp;
uint16_t back_color = ILI9341_GetPointPixel(usX,usY);
//设置显示窗口
ILI9341_OpenWindow ( usX, usY, WIDTH_CH_CHAR, HEIGHT_CH_CHAR ); // 16* 16
ILI9341_Write_Cmd ( CMD_SetPixel );
//取字模数据
GetGBKCode ( ucBuffer, usChar ); //第一个参数为 返回的字符图像参数 第二个参数为 中文字符号
for ( rowCount = 0; rowCount < HEIGHT_CH_CHAR; rowCount++ )
{
/* 取出两个字节的数据，在lcd上即是一个汉字的一行 */
usTemp = ucBuffer [ rowCount * 2 ];
usTemp = ( usTemp << 8 );
usTemp |= ucBuffer [ rowCount * 2 + 1 ];
for ( bitCount = 0; bitCount < WIDTH_CH_CHAR; bitCount ++ )
{
if ( usTemp & ( 0x8000 >> bitCount ) ) //高位在前
ILI9341_Write_Data ( CurrentForecolor );
else
ILI9341_Write_Data ( back_color );
}
}
}
/**
* @brief 在 ILI9341 显示器上显示中文字符串
* @param line ：在特定扫描方向下字符串的起始Y坐标
* 本参数可使用宏LINE(0)、LINE(1)等方式指定文字坐标，
* 宏LINE(x)会根据当前选择的字体来计算Y坐标值。
* 显示中文且使用LINE宏时，需要把英文字体设置成Font8x16
* @param pStr ：要显示的英文字符串的首地址
* @note 可使用LCD_SetBackColor、LCD_SetTextColor、LCD_SetColors函数设置颜色
* @retval 无
*/
void ILI9341_DispString_CH ( uint16_t usX , uint16_t usY, char * pStr )
{
uint16_t usCh;
while( * pStr != '\0' )
{
if ( ( usX - ILI9341_DispWindow_X_Star + WIDTH_CH_CHAR ) > LCD_X_LENGTH )
{
usX = ILI9341_DispWindow_X_Star;
usY += HEIGHT_CH_CHAR;
}
if ( ( usY - ILI9341_DispWindow_Y_Star + HEIGHT_CH_CHAR ) > LCD_Y_LENGTH )
{
usX = ILI9341_DispWindow_X_Star;
usY = ILI9341_DispWindow_Y_Star;
}
usCh = * ( uint16_t * ) pStr;
usCh = ( usCh << 8 ) + ( usCh >> 8 );
ILI9341_DispChar_CH ( usX, usY, usCh );
usX += WIDTH_CH_CHAR;
pStr += 2; //一个汉字两个字节
}
}
/**
* @brief 在 ILI9341 显示器上显示中英文字符串
* @param line ：在特定扫描方向下字符串的起始Y坐标
* 本参数可使用宏LINE(0)、LINE(1)等方式指定文字坐标，
* 宏LINE(x)会根据当前选择的字体来计算Y坐标值。
* 显示中文且使用LINE宏时，需要把英文字体设置成Font8x16
* @param pStr ：要显示的字符串的首地址
* @note 可使用LCD_SetBackColor、LCD_SetTextColor、LCD_SetColors函数设置颜色
* @retval 无
*/
void ILI9341_DispStringLine_EN_CH ( uint16_t line, char * pStr )
{
uint16_t usCh;
uint16_t usX = 0;
while( * pStr != '\0' )
{
if ( * pStr <= 126 ) //英文字符
{
if ( ( usX - ILI9341_DispWindow_X_Star + LCD_Currentfonts->Width ) > LCD_X_LENGTH )
{
usX = ILI9341_DispWindow_X_Star;
line += LCD_Currentfonts->Height;
}
if ( ( line - ILI9341_DispWindow_Y_Star + LCD_Currentfonts->Height ) > LCD_Y_LENGTH )
{
usX = ILI9341_DispWindow_X_Star;
line = ILI9341_DispWindow_Y_Star;
}
ILI9341_DispChar_EN ( usX, line, * pStr );
usX += LCD_Currentfonts->Width;
pStr ++;
}
else //汉字字符
{
if ( ( usX - ILI9341_DispWindow_X_Star + WIDTH_CH_CHAR ) > LCD_X_LENGTH )
{
usX = ILI9341_DispWindow_X_Star;
line += HEIGHT_CH_CHAR;
}
if ( ( line - ILI9341_DispWindow_Y_Star + HEIGHT_CH_CHAR ) > LCD_Y_LENGTH )
{
usX = ILI9341_DispWindow_X_Star;
line = ILI9341_DispWindow_Y_Star;
}
usCh = * ( uint16_t * ) pStr;
usCh = ( usCh << 8 ) + ( usCh >> 8 );
ILI9341_DispChar_CH ( usX, line, usCh );
usX += WIDTH_CH_CHAR;
pStr += 2; //一个汉字两个字节
}
}
}
/**
* @brief 在 ILI9341 显示器上显示中英文字符串
* @param usX ：在特定扫描方向下字符的起始X坐标
* @param usY ：在特定扫描方向下字符的起始Y坐标
* @param pStr ：要显示的字符串的首地址
* @note 可使用LCD_SetBackColor、LCD_SetTextColor、LCD_SetColors函数设置颜色
* @retval 无
*/
void ILI9341_DispString_EN_CH ( uint16_t usX , uint16_t usY, char * pStr )
{
uint16_t usCh;
while( * pStr != '\0' )
{
if ( * pStr <= 126 ) //英文字符
{
if ( ( usX - ILI9341_DispWindow_X_Star + LCD_Currentfonts->Width ) > LCD_X_LENGTH )
{
usX = ILI9341_DispWindow_X_Star;
usY += LCD_Currentfonts->Height;
}
if ( ( usY - ILI9341_DispWindow_Y_Star + LCD_Currentfonts->Height ) > LCD_Y_LENGTH )
{
usX = ILI9341_DispWindow_X_Star;
usY = ILI9341_DispWindow_Y_Star;
}
ILI9341_DispChar_EN ( usX, usY, * pStr );
usX += LCD_Currentfonts->Width;
pStr ++;
}
else //汉字字符
{
if ( ( usX - ILI9341_DispWindow_X_Star + WIDTH_CH_CHAR ) > LCD_X_LENGTH )
{
usX = ILI9341_DispWindow_X_Star;
usY += HEIGHT_CH_CHAR;
}
if ( ( usY - ILI9341_DispWindow_Y_Star + HEIGHT_CH_CHAR ) > LCD_Y_LENGTH )
{
usX = ILI9341_DispWindow_X_Star;
usY = ILI9341_DispWindow_Y_Star;
}
usCh = * ( uint16_t * ) pStr;
usCh = ( usCh << 8 ) + ( usCh >> 8 );
ILI9341_DispChar_CH ( usX, usY, usCh );
usX += WIDTH_CH_CHAR;
pStr += 2; //一个汉字两个字节
}
}
}
/**
* @brief 在 ILI9341 显示器上显示中英文字符串(沿Y轴方向)
* @param usX ：在特定扫描方向下字符的起始X坐标
* @param usY ：在特定扫描方向下字符的起始Y坐标
* @param pStr ：要显示的中英文字符串的首地址
* @note 可使用LCD_SetBackColor、LCD_SetTextColor、LCD_SetColors函数设置颜色
* @retval 无
*/
void ILI9341_DispString_EN_CH_YDir ( uint16_t usX,uint16_t usY , char * pStr )
{
uint16_t usCh;
while( * pStr != '\0' )
{
//统一使用汉字的宽高来计算换行
if ( ( usY - ILI9341_DispWindow_Y_Star + HEIGHT_CH_CHAR ) >LCD_Y_LENGTH )
{
usY = ILI9341_DispWindow_Y_Star;
usX += WIDTH_CH_CHAR;
}
if ( ( usX - ILI9341_DispWindow_X_Star + WIDTH_CH_CHAR ) > LCD_X_LENGTH)
{
usX = ILI9341_DispWindow_X_Star;
usY = ILI9341_DispWindow_Y_Star;
}
//显示
if ( * pStr <= 126 ) //英文字符
{
ILI9341_DispChar_EN ( usX, usY, * pStr);
pStr ++;
usY += HEIGHT_CH_CHAR;
}
else //汉字字符
{
usCh = * ( uint16_t * ) pStr;
usCh = ( usCh << 8 ) + ( usCh >> 8 );
ILI9341_DispChar_CH ( usX,usY , usCh );
usY += HEIGHT_CH_CHAR;
pStr += 2; //一个汉字两个字节
}
}
}
/***********************缩放字体****************************/
#define ZOOMMAXBUFF 16384
uint8_t zoomBuff[ZOOMMAXBUFF] = {
0}; //用于缩放的缓存，最大支持到128*128
uint8_t zoomTempBuff[1024] = {
0};
/**
* @brief 缩放字模，缩放后的字模由1个像素点由8个数据位来表示
0x01表示笔迹，0x00表示空白区
* @param in_width ：原始字符宽度
* @param in_heig ：原始字符高度
* @param out_width ：缩放后的字符宽度
* @param out_heig：缩放后的字符高度
* @param in_ptr ：字库输入指针 注意：1pixel 1bit
* @param out_ptr ：缩放后的字符输出指针 注意: 1pixel 8bit
* out_ptr实际上没有正常输出，改成了直接输出到全局指针zoomBuff中
* @param en_cn ：0为英文，1为中文
* @retval 无
*/
void ILI9341_zoomChar(
uint16_t in_width, //原始字符宽度
uint16_t in_heig, //原始字符高度
uint16_t out_width, //缩放后的字符宽度
uint16_t out_heig, //缩放后的字符高度
uint8_t *in_ptr, //字库输入指针 注意：1pixel 1bit
uint8_t *out_ptr, //缩放后的字符输出指针 注意: 1pixel 8bit
uint8_t en_cn) //0为英文，1为中文
{
uint8_t *pts,*ots;
//根据源字模及目标字模大小，设定运算比例因子，左移16是为了把浮点运算转成定点运算
unsigned int xrIntFloat_16=(in_width<<16)/out_width+1;
unsigned int yrIntFloat_16=(in_heig<<16)/out_heig+1;
unsigned int srcy_16=0;
unsigned int y,x;
uint8_t *pSrcLine;
uint16_t byteCount,bitCount;
//检查参数是否合法
if(in_width >= 32) return; //字库不允许超过32像素
if(in_width * in_heig == 0) return;
if(in_width * in_heig >= 1024 ) return; //限制输入最大 32*32
if(out_width * out_heig == 0) return;
if(out_width * out_heig >= ZOOMMAXBUFF ) return; //限制最大缩放 128*128
pts = (uint8_t*)&zoomTempBuff;
//为方便运算，字库的数据由1 pixel/1bit 映射到1pixel/8bit
//0x01表示笔迹，0x00表示空白区
if(en_cn == 0x00)//英文
{
//英文和中文字库上下边界不对，可在此处调整。需要注意tempBuff防止溢出
for(byteCount=0;byteCount<in_heig*in_width/8;byteCount++)
{
for(bitCount=0;bitCount<8;bitCount++)
{
//把源字模数据由位映射到字节
//in_ptr里bitX为1，则pts里整个字节值为1
//in_ptr里bitX为0，则pts里整个字节值为0
*pts++ = (in_ptr[byteCount] & (0x80>>bitCount))?1:0;
}
}
}
else //中文
{
for(byteCount=0;byteCount<in_heig*in_width/8;byteCount++)
{
for(bitCount=0;bitCount<8;bitCount++)
{
//把源字模数据由位映射到字节
//in_ptr里bitX为1，则pts里整个字节值为1
//in_ptr里bitX为0，则pts里整个字节值为0
*pts++ = (in_ptr[byteCount] & (0x80>>bitCount))?1:0;
}
}
}
//zoom过程
pts = (uint8_t*)&zoomTempBuff; //映射后的源数据指针
ots = (uint8_t*)&zoomBuff; //输出数据的指针
for (y=0;y<out_heig;y++) /*行遍历*/
{
unsigned int srcx_16=0;
pSrcLine=pts+in_width*(srcy_16>>16);
for (x=0;x<out_width;x++) /*行内像素遍历*/
{
ots[x]=pSrcLine[srcx_16>>16]; //把源字模数据复制到目标指针中
srcx_16+=xrIntFloat_16; //按比例偏移源像素点
}
srcy_16+=yrIntFloat_16; //按比例偏移源像素点
ots+=out_width;
}
/*！！！缩放后的字模数据直接存储到全局指针zoomBuff里了*/
out_ptr = (uint8_t*)&zoomBuff; //out_ptr没有正确传出，后面调用直接改成了全局变量指针！
/*实际中如果使用out_ptr不需要下面这一句！！！
只是因为out_ptr没有使用，会导致warning。强迫症*/
out_ptr++;
}
/**
* @brief 利用缩放后的字模显示字符
* @param Xpos ：字符显示位置x
* @param Ypos ：字符显示位置y
* @param Font_width ：字符宽度
* @param Font_Heig：字符高度
* @param c ：要显示的字模数据
* @param DrawModel ：是否反色显示
* @retval 无
*/
void ILI9341_DrawChar_Ex(
uint16_t usX, //字符显示位置x
uint16_t usY, //字符显示位置y
uint16_t Font_width, //字符宽度
uint16_t Font_Height, //字符高度
uint8_t *c, //字模数据
uint16_t DrawModel) //是否反色显示
{
uint32_t index = 0, counter = 0;
uint16_t back_color = ILI9341_GetPointPixel(usX,usY);
//设置显示窗口
ILI9341_OpenWindow ( usX, usY, Font_width, Font_Height);
ILI9341_Write_Cmd ( CMD_SetPixel );
//按字节读取字模数据
//由于前面直接设置了显示窗口，显示数据会自动换行
for ( index = 0; index < Font_Height; index++ )
{
//一位一位处理要显示的颜色
for ( counter = 0; counter < Font_width; counter++ )
{
//缩放后的字模数据，以一个字节表示一个像素位
//整个字节值为1表示该像素为笔迹
//整个字节值为0表示该像素为背景
if ( *c++ == DrawModel ){
ILI9341_Write_Data ( back_color ); //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
}else
ILI9341_Write_Data ( CurrentForecolor );
}
}
}
/**
* @brief 利用缩放后的字模显示字符串
* @param Xpos ：字符显示位置x
* @param Ypos ：字符显示位置y
* @param Font_width ：字符宽度，英文字符在此基础上/2。注意为偶数
* @param Font_Heig：字符高度，注意为偶数
* @param c ：要显示的字符串
* @param DrawModel ：是否反色显示
* @retval 无
*/
void ILI9341_DisplayStringEx(
uint16_t x, //字符显示位置x
uint16_t y, //字符显示位置y
uint16_t Font_width, //要显示的字体宽度，英文字符在此基础上/2。注意为偶数
uint16_t Font_Height, //要显示的字体高度，注意为偶数
uint8_t *ptr, //显示的字符内容
uint16_t DrawModel) //是否反色显示
{
uint16_t Charwidth = Font_width; //默认为Font_width，英文宽度为中文宽度的一半
uint8_t *psr;
uint8_t Ascii; //英文
uint16_t usCh; //中文
uint8_t ucBuffer [ WIDTH_CH_CHAR*HEIGHT_CH_CHAR/8 ];
while ( *ptr != '\0')
{
/****处理换行*****/
if ( ( x - ILI9341_DispWindow_X_Star + Charwidth ) > LCD_X_LENGTH )
{
x = ILI9341_DispWindow_X_Star;
y += Font_Height;
}
if ( ( y - ILI9341_DispWindow_Y_Star + Font_Height ) > LCD_Y_LENGTH )
{
x = ILI9341_DispWindow_X_Star;
y = ILI9341_DispWindow_Y_Star;
}
if(*ptr > 0x80) //如果是中文
{
Charwidth = Font_width;
usCh = * ( uint16_t * ) ptr;
usCh = ( usCh << 8 ) + ( usCh >> 8 );
GetGBKCode ( ucBuffer, usCh ); //取字模数据
//缩放字模数据，源字模为16*16
ILI9341_zoomChar(WIDTH_CH_CHAR,HEIGHT_CH_CHAR,Charwidth,Font_Height,(uint8_t *)&ucBuffer,psr,1);
//显示单个字符
ILI9341_DrawChar_Ex(x,y,Charwidth,Font_Height,(uint8_t*)&zoomBuff,DrawModel);
x+=Charwidth;
ptr+=2;
}
else
{
Charwidth = Font_width / 2;
Ascii = *ptr - 32;
//使用16*24字体缩放字模数据
ILI9341_zoomChar(16,24,Charwidth,Font_Height,(uint8_t *)&Font16x24.table[Ascii * Font16x24.Height*Font16x24.Width/8],psr,0);
//显示单个字符
ILI9341_DrawChar_Ex(x,y,Charwidth,Font_Height,(uint8_t*)&zoomBuff,DrawModel);
x+=Charwidth;
ptr++;
}
}
}
/**
* @brief 利用缩放后的字模显示字符串(沿Y轴方向)
* @param Xpos ：字符显示位置x
* @param Ypos ：字符显示位置y
* @param Font_width ：字符宽度，英文字符在此基础上/2。注意为偶数
* @param Font_Heig：字符高度，注意为偶数
* @param c ：要显示的字符串
* @param DrawModel ：是否反色显示
* @retval 无
*/
void ILI9341_DisplayStringEx_YDir(
uint16_t x, //字符显示位置x
uint16_t y, //字符显示位置y
uint16_t Font_width, //要显示的字体宽度，英文字符在此基础上/2。注意为偶数
uint16_t Font_Height, //要显示的字体高度，注意为偶数
uint8_t *ptr, //显示的字符内容
uint16_t DrawModel) //是否反色显示
{
uint16_t Charwidth = Font_width; //默认为Font_width，英文宽度为中文宽度的一半
uint8_t *psr;
uint8_t Ascii; //英文
uint16_t usCh; //中文
uint8_t ucBuffer [ WIDTH_CH_CHAR*HEIGHT_CH_CHAR/8 ];
while ( *ptr != '\0')
{
//统一使用汉字的宽高来计算换行
if ( ( y - ILI9341_DispWindow_X_Star + Font_width ) > LCD_X_LENGTH )
{
y = ILI9341_DispWindow_X_Star;
x += Font_width;
}
if ( ( x - ILI9341_DispWindow_Y_Star + Font_Height ) > LCD_Y_LENGTH )
{
y = ILI9341_DispWindow_X_Star;
x = ILI9341_DispWindow_Y_Star;
}
if(*ptr > 0x80) //如果是中文
{
Charwidth = Font_width;
usCh = * ( uint16_t * ) ptr;
usCh = ( usCh << 8 ) + ( usCh >> 8 );
GetGBKCode ( ucBuffer, usCh ); //取字模数据
//缩放字模数据，源字模为16*16
ILI9341_zoomChar(WIDTH_CH_CHAR,HEIGHT_CH_CHAR,Charwidth,Font_Height,(uint8_t *)&ucBuffer,psr,1);
//显示单个字符
ILI9341_DrawChar_Ex(x,y,Charwidth,Font_Height,(uint8_t*)&zoomBuff,DrawModel);
y+=Font_Height;
ptr+=2;
}
else
{
Charwidth = Font_width / 2;
Ascii = *ptr - 32;
//使用16*24字体缩放字模数据
ILI9341_zoomChar(16,24,Charwidth,Font_Height,(uint8_t *)&Font16x24.table[Ascii * Font16x24.Height*Font16x24.Width/8],psr,0);
//显示单个字符
ILI9341_DrawChar_Ex(x,y,Charwidth,Font_Height,(uint8_t*)&zoomBuff,DrawModel);
y+=Font_Height;
ptr++;
}
}
}
建立 LCD页面绘制 文件LCD_PageHtml_book.h
代码如下 ：
#ifndef __LCD_PAGEHTML_BOOK_H
#define __LCD_PAGEHTML_BOOK_H
#inc#ifndef __LCD_PAGEHTML_BOOK_H
#define __LCD_PAGEHTML_BOOK_H
#include "stm32f10x.h"
#include "LCD_book.h"
#include "LCD_Draw_book.h"
#include "fonts.h"
void Display_Char_test(void);
void fn_Lcd_Page1(void);
#endif
建立 LCD页面绘制 文件LCD_PageHtml_book.c
代码如下 ：
#include "LCD_PageHtml_book.h"
#include "LCD_book.h"
#include "LCD_Draw_book.h"
#include "XPT2046_LCD_Function_book.h"
#include "USART_book.h"
#include "fonts.h"
#include <stdio.h>
#include <string.h>
/// 自模 设计 字宽 16 字高 16
// 阴码 逐行 24 24 顺向 16进制
uint8_t test_modu[] ={
0x00,0x00,0x7F,0xFC,0x01,0x00,0x01,0x00,0x01,0x00,0x01,
0x00,0x01,0x00,0x3F,0xF8,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00 ,
0x01,0x00,0x01,0x00,0xFF,0xFE,0x00,0x00};/*"王",0*/
//#define _row_count 16
//#define _byte_count 2
//#define _bit_count 8
/// 自模 设计 字宽 32 字高 32
// 阴码 逐行 24 24 顺向 16进制
uint8_t test_modu2[2][32*32] ={
{
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xFF,0xFF,0xC0,0x07,0xFF,0xFF,0xC0 ,
0x04,0x03,0xC0,0x00,0x00,0x03,0xC0,0x00,0x00,0x03,0xC0,0x00,0x00,0x03,0xC0,0x00,0x01,0xFF,0xFF,0x00,0x03,0xFF,0xFF,0x00 ,
0x03,0x03,0xC0,0x00,0x00,0x03,0xC0,0x00,0x00,0x03,0xC0,0x00,0x00,0x03,0xC0,0x00,0x1F,0xFF,0xFC,0x00,0x3F,0xFF,0xFF,0xFE ,
0x7F,0x80,0x7F,0xFE,0x60,0x00,0x03,0xFC,0x00,0x00,0x00,0x78,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"王",0*/
{
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,
0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x00,0x03,0x87,0x00,0x00,0x03,0x87,0x00,0x18,0x07,0x87,0xC0,0x3F,0xEF,0xFF,0xC0 ,
0x3F,0xCF,0x87,0x00,0x03,0x83,0x87,0x00,0x03,0x83,0xFF,0x00,0x1F,0x83,0x87,0x00,0x3F,0xE3,0x87,0x00,0x3F,0x83,0xFF,0x00 ,
0x03,0x83,0x87,0x00,0x03,0xB3,0x87,0x00,0x03,0xFF,0xFF,0xFE,0x3F,0xDF,0xFF,0xFC,0x7E,0x18,0x00,0xFC,0x78,0x01,0x87,0x38 ,
0x40,0x03,0x87,0x80,0x00,0x0F,0x03,0xC0,0x00,0x1C,0x00,0xE0,0x00,0x20,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}/*"琪",0*/
};
#define _row_count 32
#define _byte_count 4
#define _bit_count 8
void Display_Char_test(void){
uint8_t row_count , byte_count , bit_count ;
uint8_t i;
for(i=0 ;i<2 ;i++ ){
for(row_count = 0 ;row_count< _row_count; row_count++){
printf("\n");
for(byte_count = 0 ;byte_count< _byte_count ; byte_count++){
for( bit_count = 0;bit_count < _bit_count ; bit_count++){
if(test_modu2[i][row_count*_byte_count+byte_count] &(0x80 >>bit_count)){
printf("*");
}else{
printf(" ");
}
}
}
}
}
}
//================================ 页面设计函数=======================================
//================================ 页面设计函数=======================================
uint8_t XPT2046_Touch_Calibrate_Page (void){
uint8_t i;
char cStr [ 100 ];
char * pStr = 0;
LCD_SetFont(&Font8x16);
LCD_SetColors(GB888(0xFE5632),GB888(0xCFDA00));
XPT2046_Touch_Calibrate_SetStand4Pint();
for ( i = 0; i < 4; i ++ ){
ILI9341_Clear ( 0, 0, LCD_X_LENGTH, LCD_Y_LENGTH );
pStr = "Touch Calibrate 触摸校验...";
//插入空格，居中显示
sprintf(cStr,"%*c%s",((LCD_X_LENGTH/(((sFONT *)LCD_GetFont())->Width))-strlen(pStr))/2,' ',pStr) ;
ILI9341_DispStringLine_EN_CH (LCD_Y_LENGTH >> 1, cStr );
//插入空格，居中显示
sprintf ( cStr, "%*c%d",((LCD_X_LENGTH/(((sFONT *)LCD_GetFont())->Width)) -1)/2,' ',i + 1 );
ILI9341_DispStringLine_EN_CH (( LCD_Y_LENGTH >> 1 ) - (((sFONT *)LCD_GetFont())->Height), cStr );
ILI9341_Delay ( 0xFFFFF ); //适当的延时很有必要
LCD_SetForeColor( GB888(0x8C78EB));
ILI9341_DrawCircle(strCrossCoordinate[i] .x, strCrossCoordinate[i].y , 20 , 1, 1);
LCD_SetForeColor( GB888(0xDA44A6));
ILI9341_DrawCross ( strCrossCoordinate[i] .x, strCrossCoordinate[i].y ); //显示校正用的“十”字
while ( ! XPT2046_ReadAdc_Smooth_XY ( & strScreenSample [i] ) ); //读取XPT2046数据到变量pCoordinate，当ptr为空时表示没有触点被按下
}
if( XPT2046_Touch_Calibrate(_LCD_SCAN_MODE)==1){
goto XPT2046_Touch_Calibrate_SUCCESS ;
}else{
goto XPT2046_Touch_Calibrate_Failure ;
}
XPT2046_Touch_Calibrate_SUCCESS:
ILI9341_Clear ( 0, 0, LCD_X_LENGTH, LCD_Y_LENGTH );
LCD_SetColors(GB888(0x331B93),GB888(0xE4C294));
LCD_SetTextColor(GB888(0xFF5B93));
pStr = "Calibrate Succed";
//插入空格，居中显示
sprintf(cStr,"%*c%s",((LCD_X_LENGTH/(((sFONT *)LCD_GetFont())->Width))-strlen(pStr))/2,' ',pStr) ;
ILI9341_DispStringLine_EN (LCD_Y_LENGTH >> 1, cStr );
ILI9341_Delay ( 0xFFFFFF );
return 1;
XPT2046_Touch_Calibrate_Failure:
ILI9341_Clear ( 0, 0, LCD_X_LENGTH, LCD_Y_LENGTH );
LCD_SetColors(GB888(0x331B93),GB888(0xFF5B93));
LCD_SetTextColor(RED);
pStr = "Calibrate fail";
//插入空格，居中显示
sprintf(cStr,"%*c%s",((LCD_X_LENGTH/(((sFONT *)LCD_GetFont())->Width))-strlen(pStr))/2,' ',pStr) ;
ILI9341_DispStringLine_EN (LCD_Y_LENGTH >> 1, cStr );
pStr = "try again";
//插入空格，居中显示
sprintf(cStr,"%*c%s",((LCD_X_LENGTH/(((sFONT *)LCD_GetFont())->Width))-strlen(pStr))/2,' ',pStr) ;
ILI9341_DispStringLine_EN ( ( LCD_Y_LENGTH >> 1 ) + (((sFONT *)LCD_GetFont())->Height), cStr );
ILI9341_Delay ( 0xFFFFFF );
return 0;
}
//================================ 页面设计函数=======================================
//================================ 页面设计函数=======================================
/**
* @brief 在ILI9341显示器上开辟一个窗口
* @param usX ：在特定扫描方向下窗口的起点X坐标
* @param usY ：在特定扫描方向下窗口的起点Y坐标
* @param usWidth ：窗口的宽度
* @param usHeight ：窗口的高度
* @retval 无
*/
void fn_Lcd_Page1(void){
// printf("\n-->LCD %x",GB565(255, 193 ,98));
// printf("\n-->LCD %x",GB888(0xFFC162));
LCD_SetColors( GB888(0x589447), GB888(0xFFC162));
ILI9341_Clear(0,0,LCD_X_LENGTH,LCD_Y_LENGTH); /* 清屏，显示 黄色的界面 */
LCD_SetForeColor(GB888(0x589447)); //标题绿色的框
ILI9341_DrawRectangle( 0,0,LCD_X_LENGTH,25,1,1);
LCD_SetForeColor(GB888(0x797979));//阴影框
ILI9341_DrawLine(0,25,LCD_X_LENGTH,25,2);
LCD_SetForeColor(GB888(0xCDCDCD));
ILI9341_DrawLine(0,27,LCD_X_LENGTH,27,1);
LCD_SetForeColor(WHITE);//Wifi设计
ILI9341_DrawLine(LCD_X_LENGTH-20,19,LCD_X_LENGTH-15,19,3);
ILI9341_DrawLine(LCD_X_LENGTH-25,12,LCD_X_LENGTH-10,12,3);
ILI9341_DrawLine(LCD_X_LENGTH-28,5,LCD_X_LENGTH-7,5,3);
LCD_SetFont(&Font8x16);
LCD_SetForeColor(GB888(0xE8E5C4)); //白色文字，绿色背景
/********显示字符串示例*******/
ILI9341_DispStringLine_EN(LINE(0),"Wangqi Telephone:");
LCD_SetFont(&Font8x16); //制作对话框
LCD_SetForeColor( GB888(0x000000));
ILI9341_DispStringLine_EN(LINE(3)," Personnal News:");
LCD_SetForeColor(GB888(0x589447)); //灰色的框
ILI9341_DrawRectangle( 10,65,(LCD_X_LENGTH-20),30,0,1);
LCD_SetForeColor(GB888(0xC3C09C)); //里面的
ILI9341_DrawRectangle( 11,66,(LCD_X_LENGTH-20-1),30-1,1,1);
LCD_SetFont(&Font8x16);
LCD_SetColors(GB888(0xE8E5C4), GB888(0x589447));
LCD_SetForeColor(GB888(0x589447)); //绿色的按钮
ILI9341_DrawRectangle( 180,110,(50),30,1,1);
LCD_SetForeColor(WHITE); //白色阴影
ILI9341_DrawRectangle( 180,110,(50),30,0,1);
//-------------------------
LCD_SetFont(&Font8x16); //制作对话框
LCD_SetForeColor( GB888(0xC90000)); //红色文字
ILI9341_DispStringLine_EN(LINE(9)," Have Girlfriend?");
//-------------------------
LCD_SetColors( GB888(0xF0A0A1), GB888(0xFFC162)); //圆圈
ILI9341_DrawCircle(210,180,10,1,1);
LCD_SetForeColor(GB888(0x797979));//阴影框
ILI9341_DrawCircle(210,180,10,0,1);
LCD_SetColors( GB888(0x34BDD5), GB888(0xFFC162)); //圆圈
ILI9341_DrawCircle(210,205,10,1,1);
LCD_SetForeColor(GB888(0x797979));//阴影框
ILI9341_DrawCircle(210,205,10,0,1);
//-------------------------
LCD_SetFont(&Font16x24); //制作对话框
LCD_SetForeColor( GB888(0xBB3756)); //红色文字
ILI9341_DispStringLine_EN(LINE(7)," Yes!");
LCD_SetForeColor( GB888(0x310F29)); //红色文字
ILI9341_DispStringLine_EN(LINE(8)," NO!");
//-------------------------
LCD_SetForeColor(GB888(0xA6A6A6));//阴影框
ILI9341_DrawLine(0,230,LCD_X_LENGTH,230,1);
LCD_SetForeColor( GB888(0xBF5BBA)); //红色文字
ILI9341_DispStringLine_EN(LINE(10)," My LOVE ");
LCD_SetForeColor( GB888(0x2369FC)); //白色文字
ILI9341_DispStringLine_EN(LINE(12)," Hi 2021-8-14 ");
}
//=============================================================================
/**
* @brief 在ILI9341显示器上开辟一个窗口
* @param usX ：在特定扫描方向下窗口的起点X坐标
* @param usY ：在特定扫描方向下窗口的起点Y坐标
* @param usWidth ：窗口的宽度
* @param usHeight ：窗口的高度
* @retval 无
*/
void fn_Lcd_Page2(void){
// printf("\n-->LCD %x",GB565(255, 193 ,98));
// printf("\n-->LCD %x",GB888(0xFFC162));
LCD_SetColors( GB888(0xF09387), GB888(0xF09387));
ILI9341_Clear(0,0,LCD_X_LENGTH,LCD_Y_LENGTH); /* 清屏，显示 粉色的界面 */
LCD_SetForeColor(GB888(0xFFDC78)); //标题绿色的框
ILI9341_DrawRectangle( 0,0,LCD_X_LENGTH,25,1,1);
LCD_SetForeColor(GB888(0x797979));//阴影框
ILI9341_DrawLine(0,25,LCD_X_LENGTH,25,2);
LCD_SetForeColor(GB888(0xCDCDCD));
ILI9341_DrawLine(0,27,LCD_X_LENGTH,27,1);
LCD_SetForeColor(GB888(0xA700A7));//Wifi设计
ILI9341_DrawLine(LCD_X_LENGTH-20,19,LCD_X_LENGTH-15,19,3);
ILI9341_DrawLine(LCD_X_LENGTH-25,12,LCD_X_LENGTH-10,12,3);
ILI9341_DrawLine(LCD_X_LENGTH-28,5,LCD_X_LENGTH-7,5,3);
LCD_SetFont(&Font8x16);
LCD_SetForeColor(GB888(0xA700A7)); //白色文字，绿色背景
/********显示字符串示例*******/
ILI9341_DispString_EN_CH(10,5,"输入 Telephone!");
LCD_SetFont(&Font8x16); //制作对话框
LCD_SetForeColor( GB888(0x000000));
ILI9341_DispStringLine_EN_CH(LINE(3)," 信息:");
LCD_SetForeColor(GB888(0x589447)); //灰色的框
ILI9341_DrawRectangle( 10,65,(LCD_X_LENGTH-20),30,0,1);
LCD_SetForeColor(GB888(0xC3C09C)); //里面的
ILI9341_DrawRectangle( 11,66,(LCD_X_LENGTH-20-1),30-1,1,1);
LCD_SetFont(&Font8x16); //制作对话框
LCD_SetForeColor( GB888(0x000000));
ILI9341_DispString_CH(13,72,"不顾一切的去看你");
LCD_SetFont(&Font8x16);
LCD_SetColors(GB888(0xE8E5C4), GB888(0x589447));
LCD_SetForeColor(GB888(0x589447)); //绿色的按钮
ILI9341_DrawRectangle( 180,110,(50),30,1,1);
LCD_SetForeColor(WHITE); //白色阴影
ILI9341_DrawRectangle( 180,110,(50),30,0,1);
LCD_SetFont(&Font8x16); //制作对话框
LCD_SetForeColor( GB888(0x000000));
ILI9341_DispStringLine_EN_CH(LINE(7)," 确定");
//-------------------------
LCD_SetFont(&Font8x16); //制作对话框
LCD_SetForeColor( GB888(0xC90000)); //红色文字
ILI9341_DispStringLine_EN_CH(LINE(9)," 回忆化成蝶?");
//-------------------------
LCD_SetColors( GB888(0xF0A0A1), GB888(0xFFC162)); //圆圈
ILI9341_DrawCircle(210,180,10,1,1);
LCD_SetForeColor(GB888(0x797979));//阴影框
ILI9341_DrawCircle(210,180,10,0,1);
LCD_SetColors( GB888(0x34BDD5), GB888(0xFFC162)); //圆圈
ILI9341_DrawCircle(210,205,10,1,1);
LCD_SetForeColor(GB888(0x797979));//阴影框
ILI9341_DrawCircle(210,205,10,0,1);
//-------------------------
LCD_SetFont(&Font24x32); //制作对话框
LCD_SetForeColor( GB888(0xBB3756)); //红色文字
ILI9341_DisplayStringEx(0,200,Font24x32.Width , Font24x32.Height , " Yes!",0);
LCD_SetForeColor( GB888(0x310F29)); //红色文字
ILI9341_DisplayStringEx(0,230,Font24x32.Width , Font24x32.Height ," NO!",0);
//-------------------------
LCD_SetForeColor(GB888(0xA6A6A6));//阴影框
ILI9341_DrawLine(0,230,LCD_X_LENGTH,230,1);
LCD_SetForeColor( GB888(0xBF5BBA)); //红色文字
ILI9341_DisplayStringEx(0,260,Font24x32.Width , Font24x32.Height ," My LOVE ",0);
LCD_SetForeColor( GB888(0x2369FC)); //白色文字
LCD_SetFont(&Font16x24); //制作对话框
ILI9341_DispStringLine_EN(LINE(12)," Hi 2021-8-16 ");
}
建立 LCD 文字库 内存管理文件fonts.h
代码如下 ：
#ifndef __FONT_H
#define __FONT_H
#include "stm32f10x.h"
/** @defgroup FONTS_Exported_Types
* @{
*/
typedef struct _tFont
{
const uint8_t *table;
uint16_t Width;
uint16_t Height;
} sFONT;
extern sFONT Font24x32;
extern sFONT Font16x24;
extern sFONT Font8x16;
/*******************中文********** 在显示屏上显示的字符大小 ***************************/
#define WIDTH_CH_CHAR 16 //中文字符宽度
#define HEIGHT_CH_CHAR 16 //中文字符高度
#define LINE(x) ((x) * (((sFONT *)LCD_GetFont())->Height))
//LINEY统一使用汉字字模的高度
#define LINEY(x) ((x) * (WIDTH_CH_CHAR))
//0表示使用SD卡字模，非零表示FLASH字模,由于SD卡字模有文件系统，速度慢很多。
#define GBKCODE_FLASH 1
#if GBKCODE_FLASH
/*使用FLASH字模*/
/*中文字库存储在FLASH的起始地址*/
/*FLASH*/
#define GBKCODE_START_ADDRESS 387*4096
/*获取字库的函数*/
//定义获取中文字符字模数组的函数名，ucBuffer为存放字模数组名，usChar为中文字符（国标码）
#define GetGBKCode( ucBuffer, usChar ) GetGBKCode_from_EXFlash( ucBuffer, usChar )
int GetGBKCode_from_EXFlash( uint8_t * pBuffer, uint16_t c);
#else
/*使用SD字模*/
/*SD卡字模路径*/
#define GBKCODE_FILE_NAME "0:/Font/GB2312_H1616.FON"
/*获取字库的函数*/
//定义获取中文字符字模数组的函数名，ucBuffer为存放字模数组名，usChar为中文字符（国标码）
#define GetGBKCode( ucBuffer, usChar ) GetGBKCode_from_sd( ucBuffer, usChar )
int GetGBKCode_from_sd ( uint8_t * pBuffer, uint16_t c);
#endif
#endif /*end of __FONT_H */
建立 LCD 文字库 内存管理文件fonts.c
代码如下 ：
/**
******************************************************************************
* @file bsp_ili9341_lcd.c
* @version V1.0
* @date 2013-xx-xx
* @brief 液晶屏字模相关（仅支持英文）
******************************************************************************
* @attention
*
* 实验平台:野火 F103-霸道 STM32 开发板
* 论坛 :http://www.firebbs.cn
* 淘宝 :https://fire-stm32.taobao.com
*
******************************************************************************
*/
#include "./fonts.h"
#include "SPI_book.h"
/***********************英文字模******************************/
/*
* 常用ASCII表，偏移量32，大小:16（高度）* 8 （宽度）
*/
/***********************英文字模******************************/
/*
* 常用ASCII表，偏移量32，大小:16（高度）* 8 （宽度）
*/
const uint8_t ASCII8x16_Table [ ] = {
//@conslons字体，阴码点阵格式，逐行顺向取摸
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x18,0x18,0x18,0x18,0x18,0x18,0x08,0x00,0x08,0x18,0x00,0x00,0x00,
0x00,0x00,0x00,0x34,0x24,0x24,0x24,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x16,0x24,0x7f,0x24,0x24,0x24,0x7e,0x24,0x24,0x00,0x00,0x00,
0x00,0x00,0x00,0x08,0x3e,0x68,0x48,0x68,0x1c,0x16,0x12,0x12,0x7c,0x10,0x10,0x00,
0x00,0x00,0x00,0x61,0xd2,0x96,0x74,0x08,0x10,0x16,0x29,0x49,0xc6,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x3c,0x64,0x64,0x38,0x72,0x4a,0xce,0x46,0x7f,0x00,0x00,0x00,
0x00,0x00,0x00,0x18,0x18,0x18,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x04,0x08,0x18,0x10,0x30,0x30,0x30,0x30,0x10,0x10,0x18,0x0c,0x04,
0x00,0x00,0x00,0x20,0x10,0x08,0x08,0x0c,0x04,0x04,0x04,0x0c,0x08,0x18,0x10,0x20,
0x00,0x00,0x00,0x08,0x0a,0x34,0x1c,0x6a,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x18,0x7f,0x18,0x18,0x18,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x08,0x30,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3c,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,
0x00,0x00,0x00,0x02,0x06,0x04,0x0c,0x08,0x08,0x10,0x10,0x20,0x20,0x40,0x00,0x00,
0x00,0x00,0x00,0x00,0x3c,0x66,0x42,0x47,0x5b,0x73,0x42,0x66,0x3c,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x18,0x78,0x48,0x08,0x08,0x08,0x08,0x08,0x7e,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x3c,0x46,0x06,0x06,0x04,0x08,0x10,0x20,0x7e,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x7c,0x06,0x06,0x04,0x3c,0x02,0x02,0x06,0x7c,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x0c,0x1c,0x14,0x24,0x64,0x44,0xff,0x04,0x04,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x7e,0x60,0x60,0x60,0x7e,0x02,0x02,0x06,0x7c,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x1e,0x30,0x60,0x48,0x76,0x42,0x42,0x62,0x3c,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x7e,0x02,0x06,0x04,0x0c,0x08,0x18,0x10,0x30,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x3c,0x62,0x42,0x36,0x1c,0x66,0x42,0x42,0x3c,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x3c,0x66,0x42,0x42,0x66,0x1a,0x02,0x04,0x78,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,0x18,0x18,0x08,0x30,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x18,0x30,0x60,0x10,0x0c,0x06,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7e,0x00,0x7e,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x18,0x04,0x06,0x0c,0x10,0x20,0x00,0x00,0x00,
0x00,0x00,0x00,0x30,0x1c,0x06,0x06,0x06,0x18,0x10,0x00,0x10,0x10,0x00,0x00,0x00,
0x00,0x00,0x00,0x1c,0x22,0x41,0x41,0xdd,0xb5,0xa5,0xa5,0xaf,0x94,0xc0,0x40,0x3c,
0x00,0x00,0x00,0x00,0x18,0x1c,0x34,0x24,0x26,0x62,0x7e,0x43,0xc1,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x7c,0x46,0x42,0x46,0x7c,0x42,0x42,0x42,0x7c,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x1e,0x20,0x40,0x40,0x40,0x40,0x40,0x60,0x3e,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x7c,0x46,0x42,0x43,0x43,0x43,0x42,0x46,0x78,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x7e,0x60,0x60,0x60,0x7e,0x60,0x60,0x60,0x7e,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x7e,0x60,0x60,0x60,0x7e,0x60,0x60,0x60,0x60,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x1e,0x60,0x40,0x40,0xce,0x42,0x42,0x62,0x3e,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x42,0x42,0x42,0x42,0x7e,0x42,0x42,0x42,0x42,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x7e,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x7e,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x7c,0x04,0x04,0x04,0x04,0x04,0x04,0x44,0x78,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x42,0x44,0x48,0x50,0x70,0x58,0x4c,0x44,0x42,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x3e,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x62,0x66,0x67,0x5f,0x5b,0x5b,0xc1,0xc1,0xc1,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x62,0x62,0x72,0x52,0x5a,0x4a,0x4e,0x46,0x46,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x3c,0x62,0x43,0xc3,0xc3,0xc3,0x43,0x62,0x3c,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x7c,0x46,0x42,0x42,0x46,0x78,0x40,0x40,0x40,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x3c,0x62,0x43,0xc3,0xc3,0xc3,0x43,0x62,0x3c,0x18,0x0f,0x00,
0x00,0x00,0x00,0x00,0x7c,0x66,0x62,0x66,0x7c,0x6c,0x64,0x66,0x62,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x3e,0x60,0x40,0x60,0x1c,0x06,0x02,0x02,0x7c,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x7f,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x62,0x3c,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0xc1,0x43,0x42,0x62,0x26,0x24,0x34,0x1c,0x18,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0xc1,0xc1,0x41,0x49,0x5b,0x5b,0x76,0x66,0x66,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x43,0x66,0x34,0x18,0x18,0x1c,0x24,0x66,0xc3,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0xc1,0x42,0x66,0x34,0x1c,0x18,0x18,0x18,0x18,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x7e,0x02,0x04,0x0c,0x18,0x10,0x20,0x60,0x7e,0x00,0x00,0x00,
0x00,0x00,0x00,0x1c,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x1c,
0x00,0x00,0x00,0x40,0x20,0x20,0x10,0x10,0x08,0x08,0x0c,0x04,0x06,0x02,0x00,0x00,
0x00,0x00,0x00,0x3c,0x0c,0x0c,0x0c,0x0c,0x0c,0x0c,0x0c,0x0c,0x0c,0x0c,0x0c,0x3c,
0x00,0x00,0x00,0x00,0x18,0x1c,0x24,0x62,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,
0x00,0x00,0x00,0x20,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x3c,0x06,0x02,0x3e,0x42,0x46,0x7a,0x00,0x00,0x00,
0x00,0x00,0x00,0x40,0x40,0x40,0x5c,0x62,0x42,0x42,0x42,0x42,0x7c,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x1e,0x20,0x60,0x40,0x60,0x20,0x3e,0x00,0x00,0x00,
0x00,0x00,0x00,0x02,0x02,0x02,0x3e,0x62,0x42,0x42,0x42,0x66,0x3a,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x3c,0x62,0x42,0x7e,0x40,0x60,0x3e,0x00,0x00,0x00,
0x00,0x00,0x00,0x0f,0x18,0x10,0x10,0x7e,0x10,0x10,0x10,0x10,0x10,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x3f,0x66,0x42,0x66,0x58,0x40,0x3e,0x43,0x42,0x3c,
0x00,0x00,0x00,0x40,0x40,0x40,0x5c,0x62,0x42,0x42,0x42,0x42,0x42,0x00,0x00,0x00,
0x00,0x00,0x00,0x18,0x18,0x00,0x78,0x08,0x08,0x08,0x08,0x08,0x7e,0x00,0x00,0x00,
0x00,0x00,0x00,0x04,0x0c,0x00,0x7c,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x0c,0x78,
0x00,0x00,0x00,0x60,0x60,0x60,0x62,0x6c,0x78,0x70,0x68,0x64,0x62,0x00,0x00,0x00,
0x00,0x00,0x00,0x78,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x7e,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x76,0x4b,0x4b,0x4b,0x4b,0x4b,0x4b,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x5c,0x62,0x42,0x42,0x42,0x42,0x42,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x3c,0x62,0x42,0x43,0x42,0x62,0x3c,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x5c,0x62,0x42,0x42,0x42,0x42,0x7c,0x40,0x40,0x40,
0x00,0x00,0x00,0x00,0x00,0x00,0x3e,0x62,0x42,0x42,0x42,0x66,0x3a,0x02,0x02,0x02,
0x00,0x00,0x00,0x00,0x00,0x00,0x6e,0x72,0x63,0x60,0x60,0x60,0x60,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x3e,0x20,0x20,0x3c,0x06,0x02,0x7c,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x10,0x10,0xfe,0x10,0x10,0x10,0x10,0x10,0x1e,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x42,0x42,0x42,0x42,0x42,0x66,0x3a,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x43,0x42,0x66,0x24,0x34,0x18,0x18,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0xc1,0xc1,0x5b,0x5a,0x5e,0x66,0x66,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x62,0x26,0x1c,0x18,0x1c,0x26,0x62,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x43,0x42,0x66,0x24,0x34,0x1c,0x18,0x18,0x30,0xe0,
0x00,0x00,0x00,0x00,0x00,0x00,0x7e,0x06,0x0c,0x18,0x10,0x20,0x7e,0x00,0x00,0x00,
0x00,0x00,0x00,0x0e,0x18,0x10,0x10,0x10,0x30,0x70,0x10,0x10,0x10,0x10,0x18,0x0e,
0x00,0x00,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,
0x00,0x00,0x00,0x30,0x18,0x08,0x08,0x08,0x0c,0x0e,0x08,0x08,0x08,0x08,0x18,0x30,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x71,0x4b,0x06,0x00,0x00,0x00,0x00,0x00,
};
/*
* 常用ASCII表，偏移量32，大小:24（高度）* 16 （宽度）
*/
const uint8_t ASCII16x24_Table [ ] = {
//@conslons字体，阴码点阵格式，逐行顺向取摸
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x80,0x01,0x80,0x01,0x80,
0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,0x00,0x00,
0x00,0x00,0x03,0xc0,0x03,0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0e,0x70,0x0e,0x70,0x0e,0x70,
0x0c,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x18,0x06,0x38,
0x06,0x30,0x7f,0xfe,0x0c,0x30,0x0c,0x30,0x0c,0x30,0x0c,0x30,0x7f,0xfe,0x0c,0x60,
0x1c,0x60,0x18,0x60,0x18,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xc0,0x00,0xc0,0x0f,0xf8,0x3c,0xc8,
0x31,0xc0,0x31,0x80,0x3d,0x80,0x1f,0x80,0x03,0xf0,0x01,0xf8,0x03,0x1c,0x03,0x0c,
0x03,0x1c,0x3f,0xf8,0x3f,0xe0,0x07,0x00,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1c,0x00,0x7e,0x0e,0x63,0x0c,0x63,0x18,
0x63,0x30,0x7e,0x60,0x00,0xc0,0x01,0x80,0x03,0x00,0x07,0x7c,0x0e,0xe6,0x1c,0xc6,
0x18,0xc6,0x30,0xc6,0x60,0x7c,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0f,0xe0,0x1c,0xf0,0x38,0x70,
0x38,0x70,0x1c,0x60,0x1f,0xc0,0x0f,0x00,0x3f,0x8c,0x71,0xcc,0x60,0xec,0x60,0x7c,
0x70,0x38,0x3c,0xfc,0x1f,0xce,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xc0,0x01,0x80,0x01,0x80,
0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x00,0xe0,0x01,0xc0,0x01,0x80,
0x03,0x00,0x07,0x00,0x06,0x00,0x06,0x00,0x0e,0x00,0x0e,0x00,0x0e,0x00,0x0e,0x00,
0x06,0x00,0x07,0x00,0x03,0x00,0x03,0x80,0x01,0xc0,0x00,0xe0,0x00,0x30,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0c,0x00,0x06,0x00,0x03,0x80,0x01,0x80,
0x01,0xc0,0x00,0xe0,0x00,0x60,0x00,0x60,0x00,0x70,0x00,0x70,0x00,0x70,0x00,0x60,
0x00,0x60,0x00,0xe0,0x00,0xc0,0x01,0x80,0x03,0x80,0x06,0x00,0x0c,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x11,0x88,0x1d,0xb8,
0x03,0xc0,0x07,0xe0,0x3d,0xbc,0x01,0x88,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,0x7f,0xfe,0x01,0x80,0x01,0x80,
0x01,0x80,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x03,0xc0,0x03,0xc0,0x01,0xc0,0x01,0xc0,0x03,0x80,0x1f,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0f,0xf0,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x03,0xc0,0x03,0xc0,0x03,0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x00,0x38,0x00,0x30,
0x00,0x60,0x00,0xe0,0x00,0xc0,0x01,0xc0,0x01,0x80,0x03,0x00,0x03,0x00,0x06,0x00,
0x0e,0x00,0x0c,0x00,0x1c,0x00,0x18,0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x0f,0xf0,0x1c,0x38,
0x38,0x1c,0x30,0x1c,0x70,0x7e,0x70,0xee,0x73,0x8e,0x7e,0x0e,0x7c,0x0c,0x30,0x0c,
0x38,0x1c,0x1e,0x78,0x0f,0xe0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xc0,0x1f,0xc0,
0x39,0xc0,0x01,0xc0,0x01,0xc0,0x01,0xc0,0x01,0xc0,0x01,0xc0,0x01,0xc0,0x01,0xc0,
0x01,0xc0,0x3f,0xfc,0x3f,0xfc,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x80,0x1f,0xf0,0x18,0x38,
0x00,0x38,0x00,0x18,0x00,0x38,0x00,0x38,0x00,0x70,0x01,0xe0,0x03,0x80,0x07,0x00,
0x1c,0x00,0x3f,0xfc,0x3f,0xfc,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x80,0x1f,0xf0,0x00,0x38,
0x00,0x38,0x00,0x38,0x00,0x30,0x07,0xe0,0x07,0xf0,0x00,0x38,0x00,0x1c,0x00,0x1c,
0x00,0x18,0x20,0xf8,0x3f,0xe0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0x01,0xb0,
0x03,0x30,0x07,0x30,0x0e,0x30,0x1c,0x30,0x38,0x30,0x70,0x30,0x7f,0xfe,0x7f,0xfe,
0x00,0x30,0x00,0x30,0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1f,0xf8,0x18,0x00,
0x18,0x00,0x18,0x00,0x18,0x00,0x1f,0xe0,0x00,0xf8,0x00,0x1c,0x00,0x1c,0x00,0x1c,
0x00,0x38,0x00,0xf0,0x1f,0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xf8,0x0f,0x00,
0x1c,0x00,0x18,0x00,0x30,0x00,0x37,0xf8,0x3c,0x3c,0x30,0x0c,0x30,0x0c,0x38,0x0c,
0x38,0x1c,0x1e,0x38,0x0f,0xf0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3f,0xfc,0x00,0x1c,
0x00,0x18,0x00,0x38,0x00,0x70,0x00,0x60,0x00,0xe0,0x01,0xc0,0x01,0x80,0x03,0x80,
0x07,0x00,0x06,0x00,0x0e,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xc0,0x1f,0xf8,0x38,0x1c,
0x38,0x1c,0x38,0x1c,0x1c,0x38,0x0f,0xf0,0x07,0xf0,0x1c,0x78,0x38,0x1c,0x30,0x0c,
0x38,0x1c,0x3c,0x38,0x0f,0xf0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x80,0x1f,0xf0,0x38,0x38,
0x30,0x1c,0x70,0x1c,0x70,0x0c,0x38,0x0c,0x1f,0xfc,0x0f,0xcc,0x00,0x1c,0x00,0x18,
0x00,0x70,0x1f,0xe0,0x1f,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x03,0xc0,0x03,0xc0,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x03,0xc0,0x03,0xc0,0x03,0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x03,0xc0,0x03,0xc0,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x03,0xc0,0x03,0xc0,0x01,0xc0,0x01,0xc0,0x03,0x80,0x0f,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x38,0x00,0xf0,0x01,0xc0,0x07,0x00,0x1e,0x00,0x38,0x00,0x0e,0x00,0x07,0x80,
0x01,0xc0,0x00,0x70,0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x3f,0xfc,0x00,0x00,0x00,0x00,0x3f,0xfc,0x3f,0xfc,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x1c,0x00,0x0f,0x00,0x03,0x80,0x01,0xe0,0x00,0x78,0x00,0x1c,0x00,0x70,0x01,0xe0,
0x03,0x80,0x0e,0x00,0x0c,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0f,0xc0,0x00,0xf0,0x00,0x38,
0x00,0x38,0x00,0x38,0x00,0x38,0x03,0xf0,0x03,0x80,0x03,0x00,0x03,0x00,0x00,0x00,
0x00,0x00,0x07,0x80,0x07,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xe0,0x07,0xf8,0x0c,0x0c,0x18,0x06,
0x30,0x06,0x70,0x03,0x63,0xf3,0x66,0x33,0xc6,0x73,0xcc,0x63,0xcc,0x62,0xcc,0x66,
0xcc,0xe6,0xc7,0xfc,0xe0,0x00,0x60,0x00,0x70,0x00,0x38,0x10,0x1f,0xf0,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xc0,0x07,0xe0,
0x06,0xe0,0x0e,0x70,0x0e,0x70,0x0c,0x30,0x1c,0x38,0x18,0x18,0x3f,0xfc,0x3f,0xfc,
0x70,0x0e,0x60,0x0e,0xe0,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3f,0xf0,0x38,0x38,
0x38,0x1c,0x38,0x1c,0x38,0x38,0x3f,0xf0,0x3f,0xf8,0x38,0x1c,0x38,0x0c,0x38,0x0c,
0x38,0x1c,0x3f,0xf8,0x3f,0xe0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xe0,0x07,0xfc,0x1e,0x04,
0x38,0x00,0x38,0x00,0x30,0x00,0x70,0x00,0x70,0x00,0x70,0x00,0x30,0x00,0x38,0x00,
0x3c,0x00,0x1f,0x9c,0x07,0xfc,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3f,0xf0,0x30,0x78,
0x30,0x1c,0x30,0x0c,0x30,0x0e,0x30,0x0e,0x30,0x0e,0x30,0x0e,0x30,0x0e,0x30,0x1c,
0x30,0x38,0x3f,0xf0,0x3f,0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1f,0xf8,0x18,0x00,
0x18,0x00,0x18,0x00,0x18,0x00,0x1f,0xf8,0x1f,0xf8,0x18,0x00,0x18,0x00,0x18,0x00,
0x18,0x00,0x1f,0xf8,0x1f,0xf8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x01,0xc0,0x01,0xc0,0x3f,0xfc,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x6f,0x3c,0x79,0xee,0x71,0xce,0x71,0x8e,0x71,0x8e,0x71,0x8e,0x71,0x8e,
0x71,0x8e,0x71,0x8e,0x71,0x8e,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x3b,0xf8,0x3e,0x38,0x3c,0x1c,0x38,0x1c,0x38,0x1c,0x38,0x1c,0x38,0x1c,
0x38,0x1c,0x38,0x1c,0x38,0x1c,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x0f,0xf0,0x1c,0x3c,0x38,0x1c,0x70,0x0e,0x70,0x0e,0x70,0x0e,0x70,0x0c,
0x38,0x1c,0x1e,0x78,0x0f,0xe0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x3b,0xf8,0x3e,0x1c,0x3c,0x1c,0x38,0x0c,0x38,0x0c,0x38,0x0c,0x38,0x0c,
0x38,0x1c,0x3c,0x78,0x3f,0xe0,0x38,0x00,0x38,0x00,0x38,0x00,0x38,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x0f,0xfc,0x1c,0x1c,0x38,0x1c,0x30,0x1c,0x30,0x1c,0x30,0x1c,0x30,0x1c,
0x38,0x3c,0x1c,0xfc,0x0f,0x9c,0x00,0x1c,0x00,0x1c,0x00,0x1c,0x00,0x1c,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x19,0xf8,0x1f,0x1c,0x1c,0x0c,0x18,0x0e,0x18,0x00,0x18,0x00,0x18,0x00,
0x18,0x00,0x18,0x00,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x0f,0xf8,0x1c,0x00,0x18,0x00,0x1e,0x00,0x0f,0xc0,0x01,0xf8,0x00,0x18,
0x00,0x18,0x18,0x38,0x1f,0xf0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x00,0x06,0x00,
0x06,0x00,0x7f,0xfc,0x06,0x00,0x06,0x00,0x06,0x00,0x06,0x00,0x06,0x00,0x06,0x00,
0x07,0x00,0x07,0x84,0x01,0xfc,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x38,0x1c,0x38,0x1c,0x38,0x1c,0x38,0x1c,0x38,0x1c,0x38,0x1c,0x38,0x1c,
0x38,0x3c,0x1c,0xfc,0x0f,0xdc,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x70,0x0c,0x38,0x1c,0x38,0x18,0x1c,0x38,0x0c,0x30,0x0e,0x70,0x06,0x60,
0x07,0xe0,0x03,0xc0,0x03,0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x60,0x06,0x60,0x06,0x61,0x86,0x73,0x8e,0x73,0xcc,0x33,0xcc,0x36,0x6c,
0x36,0x6c,0x3c,0x3c,0x3c,0x38,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x38,0x1c,0x1c,0x38,0x0e,0x70,0x07,0xe0,0x03,0xc0,0x03,0xc0,0x07,0xe0,
0x0e,0x70,0x1c,0x38,0x38,0x1e,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x70,0x0c,0x38,0x1c,0x38,0x18,0x1c,0x38,0x0c,0x30,0x0e,0x70,0x06,0x60,
0x07,0xe0,0x03,0xc0,0x03,0xc0,0x03,0x80,0x07,0x00,0x0e,0x00,0x7c,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x1f,0xf8,0x00,0x38,0x00,0x70,0x00,0xe0,0x01,0xc0,0x03,0x80,0x07,0x00,
0x0c,0x00,0x1f,0xfc,0x3f,0xfc,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x78,0x01,0xf8,0x03,0x80,0x03,0x80,
0x03,0x80,0x03,0x80,0x03,0x80,0x03,0x00,0x3f,0x00,0x3e,0x00,0x03,0x00,0x03,0x80,
0x03,0x80,0x03,0x80,0x03,0x80,0x03,0x80,0x03,0x80,0x01,0xc0,0x00,0xf8,0x00,0x00,
0x00,0x00,0x00,0x00,0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,
0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,
0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,0x01,0x80,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1e,0x00,0x1f,0x80,0x01,0x80,0x01,0xc0,
0x01,0xc0,0x01,0xc0,0x01,0xc0,0x00,0xc0,0x00,0xfc,0x00,0x7c,0x00,0xc0,0x01,0xc0,
0x01,0xc0,0x01,0xc0,0x01,0xc0,0x01,0xc0,0x01,0xc0,0x03,0x80,0x1f,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x1c,0x00,0x3f,0x06,0x71,0xce,0x60,0xfc,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};
/*
* 常用ASCII表，偏移量32，大小:32（高度）* 24 （宽度）
*/
const uint8_t ASCII24x32_Table [ ] = {
//@conslons字体，阴码点阵格式，逐行顺向取摸
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,
0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,
0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x3c,0x00,0x00,0x7e,0x00,0x00,0x3c,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x03,0xc3,0xe0,0x03,0xc3,0xe0,0x03,0xc3,0xc0,0x03,0xc3,0xc0,0x03,0xc3,
0xc0,0x03,0xc3,0xc0,0x03,0xc1,0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xe0,0xe0,0x01,0xc0,0xe0,0x01,0xc0,
0xe0,0x01,0xc0,0xe0,0x3f,0xff,0xfe,0x3f,0xff,0xfe,0x03,0xc1,0xc0,0x03,0x81,0xc0,
0x03,0x81,0xc0,0x03,0x81,0xc0,0x7f,0xff,0xfc,0x7f,0xff,0xfc,0x07,0x83,0x80,0x07,
0x03,0x80,0x07,0x03,0x80,0x07,0x03,0x80,0x07,0x07,0x80,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x07,0x00,0x00,0x0f,0x00,0x00,0x0e,0x00,0x01,0xff,0xf0,0x07,0xff,0xf0,0x1f,0x0e,
0x00,0x1e,0x1e,0x00,0x1e,0x1c,0x00,0x1e,0x1c,0x00,0x0f,0xdc,0x00,0x07,0xfc,0x00,
0x00,0xff,0x80,0x00,0x3f,0xf0,0x00,0x38,0xf8,0x00,0x38,0x78,0x00,0x78,0x3c,0x00,
0x70,0x78,0x30,0x71,0xf8,0x3f,0xff,0xe0,0x1f,0xff,0x00,0x00,0xe0,0x00,0x00,0xe0,
0x00,0x00,0xe0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x0f,0x80,0x0f,0x3f,0xe0,0x1e,0x78,0x70,0x3c,0x70,0x70,0x70,0x70,0x70,
0xe0,0x70,0x71,0xc0,0x3f,0xe3,0x80,0x1f,0xc7,0x00,0x00,0x0e,0x00,0x00,0x1c,0x00,
0x00,0x78,0x00,0x00,0xf0,0xf0,0x01,0xe7,0xfc,0x03,0xcf,0x0e,0x07,0x8e,0x0e,0x0f,
0x0e,0x0e,0x1e,0x0e,0x0e,0x3c,0x07,0xbc,0x70,0x03,0xf8,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x01,0xff,0x00,0x07,0xff,0x80,0x0f,0x03,0xc0,0x0f,0x03,
0xc0,0x0f,0x03,0xc0,0x0f,0x07,0x80,0x07,0x9f,0x00,0x03,0xfe,0x00,0x03,0xf0,0x00,
0x0f,0xf8,0x3c,0x3e,0x7c,0x3c,0x3c,0x1f,0x3c,0x78,0x0f,0xf8,0x78,0x07,0xf8,0x7c,
0x01,0xf0,0x3e,0x03,0xf8,0x1f,0xff,0xfc,0x07,0xfe,0x1f,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x3e,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,
0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x80,0x00,0x01,0xc0,0x00,0x07,0x80,0x00,0x0f,0x00,0x00,0x1e,0x00,0x00,0x3c,
0x00,0x00,0x78,0x00,0x00,0xf0,0x00,0x00,0xe0,0x00,0x01,0xe0,0x00,0x01,0xe0,0x00,
0x01,0xc0,0x00,0x03,0xc0,0x00,0x03,0xc0,0x00,0x01,0xc0,0x00,0x01,0xe0,0x00,0x01,
0xe0,0x00,0x00,0xf0,0x00,0x00,0xf0,0x00,0x00,0x78,0x00,0x00,0x3c,0x00,0x00,0x1e,
0x00,0x00,0x0f,0x00,0x00,0x07,0xc0,0x00,0x01,0xc0,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x03,0xc0,0x00,0x01,0xe0,0x00,0x00,0xf0,0x00,0x00,0x7c,0x00,0x00,0x3e,
0x00,0x00,0x1e,0x00,0x00,0x0f,0x00,0x00,0x07,0x80,0x00,0x07,0x80,0x00,0x03,0x80,
0x00,0x03,0xc0,0x00,0x03,0xc0,0x00,0x03,0xc0,0x00,0x03,0xc0,0x00,0x03,0x80,0x00,
0x07,0x80,0x00,0x07,0x80,0x00,0x0f,0x00,0x00,0x1e,0x00,0x00,0x3c,0x00,0x00,0x78,
0x00,0x00,0xf0,0x00,0x01,0xe0,0x00,0x03,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x1c,0x00,0x00,0x1c,0x00,0x00,0x18,0x00,0x0f,0x18,0xf0,0x07,0xdb,
0xe0,0x00,0x7f,0x00,0x00,0xff,0x00,0x07,0xdb,0xe0,0x0e,0x18,0x70,0x00,0x18,0x00,
0x00,0x1c,0x00,0x00,0x1c,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x3c,0x00,0x3c,0x1e,0x00,0x3c,0x1e,0x00,0x78,0x0f,0x00,0xf0,
0x07,0x80,0xf0,0x07,0x81,0xe0,0x03,0xc1,0xc0,0x03,0xc3,0xc0,0x01,0xe7,0x80,0x00,
0xf7,0x80,0x00,0xff,0x00,0x00,0x7e,0x00,0x00,0x3e,0x00,0x00,0x3c,0x00,0x00,0x78,
0x00,0x01,0xf0,0x00,0x7f,0xe0,0x00,0x7f,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x0f,0xff,0xf0,0x0f,0xff,0xf0,0x00,0x01,0xe0,0x00,0x07,0xc0,
0x00,0x0f,0x80,0x00,0x1e,0x00,0x00,0x3c,0x00,0x00,0xf8,0x00,0x01,0xe0,0x00,0x03,
0xc0,0x00,0x07,0x80,0x00,0x0f,0xff,0xf8,0x0f,0xff,0xf8,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x07,0xe0,0x00,0x1f,0xe0,0x00,0x3c,0x00,0x00,0x38,0x00,0x00,0x38,
0x00,0x00,0x78,0x00,0x00,0x78,0x00,0x00,0x78,0x00,0x00,0x78,0x00,0x00,0x78,0x00,
0x1f,0xf0,0x00,0x1f,0x80,0x00,0x01,0xf0,0x00,0x00,0x78,0x00,0x00,0x78,0x00,0x00,
0x78,0x00,0x00,0x78,0x00,0x00,0x78,0x00,0x00,0x78,0x00,0x00,0x78,0x00,0x00,0x38,
0x00,0x00,0x3c,0x00,0x00,0x1f,0x80,0x00,0x0f,0xe0,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,
0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,
0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,
0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,
0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,
0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x3c,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x07,0xe0,0x00,0x07,0xf8,0x00,0x00,0x3c,0x00,0x00,0x1e,0x00,0x00,0x1e,
0x00,0x00,0x1e,0x00,0x00,0x1e,0x00,0x00,0x1e,0x00,0x00,0x1e,0x00,0x00,0x0e,0x00,
0x00,0x0f,0xf8,0x00,0x01,0xf8,0x00,0x0f,0x80,0x00,0x0e,0x00,0x00,0x1e,0x00,0x00,
0x1e,0x00,0x00,0x1e,0x00,0x00,0x1e,0x00,0x00,0x1e,0x00,0x00,0x1e,0x00,0x00,0x1e,
0x00,0x00,0x3c,0x00,0x00,0xfc,0x00,0x07,0xf0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xc0,0x00,
0x1f,0xf0,0x1e,0x3c,0x7c,0x1e,0x38,0x1f,0xfc,0x78,0x07,0xf8,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};
sFONT Font8x16 = {
ASCII8x16_Table,
8, /* Width */
16, /* Height */
};
sFONT Font16x24 = {
ASCII16x24_Table,
16, /* Width */
24, /* Height */
};
sFONT Font24x32 = {
ASCII24x32_Table,
24, /* Width */
32, /* Height */
};
//选择使用FLASH字模还是SD卡的字模
#if GBKCODE_FLASH
//选择 1：GB2312字模
//选择 0：HZLIB字模(旧版，不建议使用)
#if 1
/*使用FLASH字模*/
//字模GB2312_H1616配套的函数
//中文字库存储在FLASH的起始地址 ：
//GBKCODE_START_ADDRESS 在fonts.h文件定义
/**
* @brief 获取FLASH中文显示字库数据
* @param pBuffer:存储字库矩阵的缓冲区
* @param c ： 要获取的文字
* @retval None.
*/
int GetGBKCode_from_EXFlash( uint8_t * pBuffer, uint16_t c)
{
unsigned char High8bit,Low8bit;
unsigned int pos;
static uint8_t everRead=0;
/*第一次使用，初始化FLASH*/
if(everRead == 0)
{
SPI_FLASH_Init();
everRead = 1;
}
High8bit= c >> 8; /* 取高8位数据 */
Low8bit= c & 0x00FF; /* 取低8位数据 */
/*GB2312 公式*/
pos = ((High8bit-0xa1)*94+Low8bit-0xa1)*WIDTH_CH_CHAR*HEIGHT_CH_CHAR/8;
SPI_Read_Data(pBuffer,GBKCODE_START_ADDRESS+pos,WIDTH_CH_CHAR*HEIGHT_CH_CHAR/8); //读取字库数据
// printf ( "%02x %02x %02x %02x\n", pBuffer[0],pBuffer[1],pBuffer[2],pBuffer[3]);
return 0;
}
#else //旧版字模HZLIB 配套的函数
//!!HZLIB不支持标点，本函数仅为兼容而保留，不建议使用
/*HZLIB中文字库存储在FLASH的起始地址*/
#define HZLIB_START_ADDRESS 1*4096
//旧版HZLIB字库使用的函数，HZLIB不支持标点
//本函数使用的寻址公式跟GB2312的也稍有区别
int GetGBKCode_from_EXFlash( uint8_t * pBuffer, uint16_t c)
{
unsigned char High8bit,Low8bit;
unsigned int pos;
static uint8_t everRead=0;
/*第一次使用，初始化FLASH*/
if(everRead == 0)
{
SPI_FLASH_Init();
everRead = 1;
}
High8bit= c >> 8; /* 取高8位数据 */
Low8bit= c & 0x00FF; /* 取低8位数据 */
//本字模使用的寻址公式跟GB2312的稍有区别
pos = ((High8bit-0xa0-16)*94+Low8bit-0xa1)*WIDTH_CH_CHAR*HEIGHT_CH_CHAR/8;
//地址指向HZLIB字模的地址HZLIB_START_ADDRESS
SPI_FLASH_BufferRead(pBuffer,HZLIB_START_ADDRESS+pos,WIDTH_CH_CHAR*HEIGHT_CH_CHAR/8);
// printf ( "%02x %02x %02x %02x\n", pBuffer[0],pBuffer[1],pBuffer[2],pBuffer[3]);
return 0;
}
#endif
#else //SD卡字模
/*使用SD字模*/
static FIL fnew; /* file objects */
static FATFS fs; /* Work area (file system object) for logical drives */
static FRESULT res_sd;
static UINT br; /* File R/W count */
//字库文件存储位置，fonts.h中的宏：
//#define GBKCODE_FILE_NAME "0:/Font/GB2312_H2424.FON"
/**
* @brief 获取SD卡中文显示字库数据
* @param pBuffer:存储字库矩阵的缓冲区
* @param c ： 要获取的文字
* @retval None.
*/
int GetGBKCode_from_sd ( uint8_t * pBuffer, uint16_t c)
{
unsigned char High8bit,Low8bit;
unsigned int pos;
static uint8_t everRead = 0;
High8bit= c >> 8; /* 取高8位数据 */
Low8bit= c & 0x00FF; /* 取低8位数据 */
pos = ((High8bit-0xa1)*94+Low8bit-0xa1)*WIDTH_CH_CHAR*HEIGHT_CH_CHAR/8;
/*第一次使用，挂载文件系统，初始化sd*/
if(everRead == 0)
{
res_sd = f_mount(&fs,"0:",1);
everRead = 1;
}
res_sd = f_open(&fnew , GBKCODE_FILE_NAME, FA_OPEN_EXISTING | FA_READ);
if ( res_sd == FR_OK )
{
f_lseek (&fnew, pos); //指针偏移
//16*16大小的汉字 其字模 占用16*16/8个字节
res_sd = f_read( &fnew, pBuffer, WIDTH_CH_CHAR*HEIGHT_CH_CHAR/8, &br );
f_close(&fnew);
return 0;
}
else
return -1;
}
#endif
/*----------------------------end of file--------------------------*/
建立 SRAM 内存管理文件SRAM_book.h
代码如下 ：
#ifndef __SRAM_BOOK_H_
#define __SRAM_BOOK_H_
#include "stm32f10x.h"
//定义基础地址 因为我们的芯片是1M字节的
#define SRAM_BASE_ADDR (0x68000000)
#define SRAM_CHIP (1) //1M
#define SRAM_SIZE (SRAM_CHIP*1024*1024)
#define SRAM_END_ADDR (SRAM_BASE_ADDR + SRAM_SIZE)
/*A地址信号线*/
#define FSMC_A0_GPIO_PORT GPIOF
#define FSMC_A0_GPIO_CLK RCC_APB2Periph_GPIOF
#define FSMC_A0_GPIO_PIN GPIO_Pin_0
#define FSMC_A1_GPIO_PORT GPIOF
#define FSMC_A1_GPIO_CLK RCC_APB2Periph_GPIOF
#define FSMC_A1_GPIO_PIN GPIO_Pin_1
#define FSMC_A2_GPIO_PORT GPIOF
#define FSMC_A2_GPIO_CLK RCC_APB2Periph_GPIOF
#define FSMC_A2_GPIO_PIN GPIO_Pin_2
#define FSMC_A3_GPIO_PORT GPIOF
#define FSMC_A3_GPIO_CLK RCC_APB2Periph_GPIOF
#define FSMC_A3_GPIO_PIN GPIO_Pin_3
#define FSMC_A4_GPIO_PORT GPIOF
#define FSMC_A4_GPIO_CLK RCC_APB2Periph_GPIOF
#define FSMC_A4_GPIO_PIN GPIO_Pin_4
#define FSMC_A5_GPIO_PORT GPIOF
#define FSMC_A5_GPIO_CLK RCC_APB2Periph_GPIOF
#define FSMC_A5_GPIO_PIN GPIO_Pin_5
#define FSMC_A6_GPIO_PORT GPIOF
#define FSMC_A6_GPIO_CLK RCC_APB2Periph_GPIOF
#define FSMC_A6_GPIO_PIN GPIO_Pin_12
#define FSMC_A7_GPIO_PORT GPIOF
#define FSMC_A7_GPIO_CLK RCC_APB2Periph_GPIOF
#define FSMC_A7_GPIO_PIN GPIO_Pin_13
#define FSMC_A8_GPIO_PORT GPIOF
#define FSMC_A8_GPIO_CLK RCC_APB2Periph_GPIOF
#define FSMC_A8_GPIO_PIN GPIO_Pin_14
#define FSMC_A9_GPIO_PORT GPIOF
#define FSMC_A9_GPIO_CLK RCC_APB2Periph_GPIOF
#define FSMC_A9_GPIO_PIN GPIO_Pin_15
#define FSMC_A10_GPIO_PORT GPIOG
#define FSMC_A10_GPIO_CLK RCC_APB2Periph_GPIOG
#define FSMC_A10_GPIO_PIN GPIO_Pin_0
#define FSMC_A11_GPIO_PORT GPIOG
#define FSMC_A11_GPIO_CLK RCC_APB2Periph_GPIOG
#define FSMC_A11_GPIO_PIN GPIO_Pin_1
#define FSMC_A12_GPIO_PORT GPIOG
#define FSMC_A12_GPIO_CLK RCC_APB2Periph_GPIOG
#define FSMC_A12_GPIO_PIN GPIO_Pin_2
#define FSMC_A13_GPIO_PORT GPIOG
#define FSMC_A13_GPIO_CLK RCC_APB2Periph_GPIOG
#define FSMC_A13_GPIO_PIN GPIO_Pin_3
#define FSMC_A14_GPIO_PORT GPIOG
#define FSMC_A14_GPIO_CLK RCC_APB2Periph_GPIOG
#define FSMC_A14_GPIO_PIN GPIO_Pin_4
#define FSMC_A15_GPIO_PORT GPIOG
#define FSMC_A15_GPIO_CLK RCC_APB2Periph_GPIOG
#define FSMC_A15_GPIO_PIN GPIO_Pin_5
#define FSMC_A16_GPIO_PORT GPIOD
#define FSMC_A16_GPIO_CLK RCC_APB2Periph_GPIOD
#define FSMC_A16_GPIO_PIN GPIO_Pin_11
#define FSMC_A17_GPIO_PORT GPIOD
#define FSMC_A17_GPIO_CLK RCC_APB2Periph_GPIOD
#define FSMC_A17_GPIO_PIN GPIO_Pin_12
#define FSMC_A18_GPIO_PORT GPIOD
#define FSMC_A18_GPIO_CLK RCC_APB2Periph_GPIOD
#define FSMC_A18_GPIO_PIN GPIO_Pin_13
/*D 数据信号线*/
#define FSMC_D0_GPIO_PORT GPIOD
#define FSMC_D0_GPIO_CLK RCC_APB2Periph_GPIOD
#define FSMC_D0_GPIO_PIN GPIO_Pin_14
#define FSMC_D1_GPIO_PORT GPIOD
#define FSMC_D1_GPIO_CLK RCC_APB2Periph_GPIOD
#define FSMC_D1_GPIO_PIN GPIO_Pin_15
#define FSMC_D2_GPIO_PORT GPIOD
#define FSMC_D2_GPIO_CLK RCC_APB2Periph_GPIOD
#define FSMC_D2_GPIO_PIN GPIO_Pin_0
#define FSMC_D3_GPIO_PORT GPIOD
#define FSMC_D3_GPIO_CLK RCC_APB2Periph_GPIOD
#define FSMC_D3_GPIO_PIN GPIO_Pin_1
#define FSMC_D4_GPIO_PORT GPIOE
#define FSMC_D4_GPIO_CLK RCC_APB2Periph_GPIOE
#define FSMC_D4_GPIO_PIN GPIO_Pin_7
#define FSMC_D5_GPIO_PORT GPIOE
#define FSMC_D5_GPIO_CLK RCC_APB2Periph_GPIOE
#define FSMC_D5_GPIO_PIN GPIO_Pin_8
#define FSMC_D6_GPIO_PORT GPIOE
#define FSMC_D6_GPIO_CLK RCC_APB2Periph_GPIOE
#define FSMC_D6_GPIO_PIN GPIO_Pin_9
#define FSMC_D7_GPIO_PORT GPIOE
#define FSMC_D7_GPIO_CLK RCC_APB2Periph_GPIOE
#define FSMC_D7_GPIO_PIN GPIO_Pin_10
#define FSMC_D8_GPIO_PORT GPIOE
#define FSMC_D8_GPIO_CLK RCC_APB2Periph_GPIOE
#define FSMC_D8_GPIO_PIN GPIO_Pin_11
#define FSMC_D9_GPIO_PORT GPIOE
#define FSMC_D9_GPIO_CLK RCC_APB2Periph_GPIOE
#define FSMC_D9_GPIO_PIN GPIO_Pin_12
#define FSMC_D10_GPIO_PORT GPIOE
#define FSMC_D10_GPIO_CLK RCC_APB2Periph_GPIOE
#define FSMC_D10_GPIO_PIN GPIO_Pin_13
#define FSMC_D11_GPIO_PORT GPIOE
#define FSMC_D11_GPIO_CLK RCC_APB2Periph_GPIOE
#define FSMC_D11_GPIO_PIN GPIO_Pin_14
#define FSMC_D12_GPIO_PORT GPIOE
#define FSMC_D12_GPIO_CLK RCC_APB2Periph_GPIOE
#define FSMC_D12_GPIO_PIN GPIO_Pin_15
#define FSMC_D13_GPIO_PORT GPIOD
#define FSMC_D13_GPIO_CLK RCC_APB2Periph_GPIOD
#define FSMC_D13_GPIO_PIN GPIO_Pin_8
#define FSMC_D14_GPIO_PORT GPIOD
#define FSMC_D14_GPIO_CLK RCC_APB2Periph_GPIOD
#define FSMC_D14_GPIO_PIN GPIO_Pin_9
#define FSMC_D15_GPIO_PORT GPIOD
#define FSMC_D15_GPIO_CLK RCC_APB2Periph_GPIOD
#define FSMC_D15_GPIO_PIN GPIO_Pin_10
/*控制信号线*/
/*CS片选*/
/*NE3 ,对应的基地址0x68000000*/
// 这里一定要注意 那个地址用哪个地址
#define FSMC_CS_GPIO_PORT GPIOG
#define FSMC_CS_GPIO_CLK RCC_APB2Periph_GPIOG
#define FSMC_CS_GPIO_PIN GPIO_Pin_10
/*WE写使能*/
#define FSMC_WE_GPIO_PORT GPIOD
#define FSMC_WE_GPIO_CLK RCC_APB2Periph_GPIOD
#define FSMC_WE_GPIO_PIN GPIO_Pin_5
/*OE读使能*/
#define FSMC_OE_GPIO_PORT GPIOD
#define FSMC_OE_GPIO_CLK RCC_APB2Periph_GPIOD
#define FSMC_OE_GPIO_PIN GPIO_Pin_4
/*UB数据掩码*/
#define FSMC_UDQM_GPIO_PORT GPIOE
#define FSMC_UDQM_GPIO_CLK RCC_APB2Periph_GPIOE
#define FSMC_UDQM_GPIO_PIN GPIO_Pin_1
/*LB数据掩码*/
#define FSMC_LDQM_GPIO_PORT GPIOE
#define FSMC_LDQM_GPIO_CLK RCC_APB2Periph_GPIOE
#define FSMC_LDQM_GPIO_PIN GPIO_Pin_0
void SRAM_Init(void);
uint8_t SRAM_Test(void);
void SRAM_Write(void);
#endif
建立 SRAM 内存管理文件SRAM_book.c
代码如下 ：
#include "SRAM_book.h"
#include "Systick_book.h"
#include "USART_book.h"
/**
* @brief 初始化控制SRAM的IO
* @param 无
* @retval 无
*/
static void SRAM_GPIO_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* 使能SRAM相关的GPIO时钟 */
/*地址信号线*/
RCC_APB2PeriphClockCmd(FSMC_A0_GPIO_CLK | FSMC_A1_GPIO_CLK | FSMC_A2_GPIO_CLK |
FSMC_A3_GPIO_CLK | FSMC_A4_GPIO_CLK | FSMC_A5_GPIO_CLK |
FSMC_A6_GPIO_CLK | FSMC_A7_GPIO_CLK | FSMC_A8_GPIO_CLK |
FSMC_A9_GPIO_CLK | FSMC_A10_GPIO_CLK| FSMC_A11_GPIO_CLK|
FSMC_A12_GPIO_CLK| FSMC_A13_GPIO_CLK|FSMC_A14_GPIO_CLK|
FSMC_A15_GPIO_CLK|FSMC_A16_GPIO_CLK|FSMC_A17_GPIO_CLK|FSMC_A18_GPIO_CLK|
/*数据信号线*/
FSMC_D0_GPIO_CLK | FSMC_D1_GPIO_CLK | FSMC_D2_GPIO_CLK |
FSMC_D3_GPIO_CLK | FSMC_D4_GPIO_CLK | FSMC_D5_GPIO_CLK |
FSMC_D6_GPIO_CLK | FSMC_D7_GPIO_CLK | FSMC_D8_GPIO_CLK |
FSMC_D9_GPIO_CLK | FSMC_D10_GPIO_CLK| FSMC_D11_GPIO_CLK|
FSMC_D12_GPIO_CLK| FSMC_D13_GPIO_CLK| FSMC_D14_GPIO_CLK|
FSMC_D15_GPIO_CLK|
/*控制信号线*/
FSMC_CS_GPIO_CLK | FSMC_WE_GPIO_CLK | FSMC_OE_GPIO_CLK |
FSMC_UDQM_GPIO_CLK|FSMC_LDQM_GPIO_CLK, ENABLE);
//UDQM UB引脚
/*-- GPIO 配置 -----------------------------------------------------*/
/* 通用 GPIO 配置 */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //配置为复用功能
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //都是复用推完功能因为这个是数据手册的规定
/*A地址信号线 针对引脚配置*/
GPIO_InitStructure.GPIO_Pin = FSMC_A0_GPIO_PIN;
GPIO_Init(FSMC_A0_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_A1_GPIO_PIN;
GPIO_Init(FSMC_A1_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_A2_GPIO_PIN;
GPIO_Init(FSMC_A2_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_A3_GPIO_PIN;
GPIO_Init(FSMC_A3_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_A4_GPIO_PIN;
GPIO_Init(FSMC_A4_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_A5_GPIO_PIN;
GPIO_Init(FSMC_A5_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_A6_GPIO_PIN;
GPIO_Init(FSMC_A6_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_A7_GPIO_PIN;
GPIO_Init(FSMC_A7_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_A8_GPIO_PIN;
GPIO_Init(FSMC_A8_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_A9_GPIO_PIN;
GPIO_Init(FSMC_A9_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_A10_GPIO_PIN;
GPIO_Init(FSMC_A10_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_A11_GPIO_PIN;
GPIO_Init(FSMC_A11_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_A12_GPIO_PIN;
GPIO_Init(FSMC_A12_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_A13_GPIO_PIN;
GPIO_Init(FSMC_A13_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_A14_GPIO_PIN;
GPIO_Init(FSMC_A14_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_A15_GPIO_PIN;
GPIO_Init(FSMC_A15_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_A16_GPIO_PIN;
GPIO_Init(FSMC_A16_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_A17_GPIO_PIN;
GPIO_Init(FSMC_A17_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_A18_GPIO_PIN;
GPIO_Init(FSMC_A18_GPIO_PORT, &GPIO_InitStructure);
/*DQ数据信号线 针对引脚配置*/
GPIO_InitStructure.GPIO_Pin = FSMC_D0_GPIO_PIN;
GPIO_Init(FSMC_D0_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_D1_GPIO_PIN;
GPIO_Init(FSMC_D1_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_D2_GPIO_PIN;
GPIO_Init(FSMC_D2_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_D3_GPIO_PIN;
GPIO_Init(FSMC_D3_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_D4_GPIO_PIN;
GPIO_Init(FSMC_D4_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_D5_GPIO_PIN;
GPIO_Init(FSMC_D5_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_D6_GPIO_PIN;
GPIO_Init(FSMC_D6_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_D7_GPIO_PIN;
GPIO_Init(FSMC_D7_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_D8_GPIO_PIN;
GPIO_Init(FSMC_D8_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_D9_GPIO_PIN;
GPIO_Init(FSMC_D9_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_D10_GPIO_PIN;
GPIO_Init(FSMC_D10_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_D11_GPIO_PIN;
GPIO_Init(FSMC_D11_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_D12_GPIO_PIN;
GPIO_Init(FSMC_D12_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_D13_GPIO_PIN;
GPIO_Init(FSMC_D13_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_D14_GPIO_PIN;
GPIO_Init(FSMC_D14_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_D15_GPIO_PIN;
GPIO_Init(FSMC_D15_GPIO_PORT, &GPIO_InitStructure);
/*控制信号线*/
GPIO_InitStructure.GPIO_Pin = FSMC_CS_GPIO_PIN;
GPIO_Init(FSMC_CS_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_WE_GPIO_PIN;
GPIO_Init(FSMC_WE_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_OE_GPIO_PIN;
GPIO_Init(FSMC_OE_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_UDQM_GPIO_PIN;
GPIO_Init(FSMC_UDQM_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = FSMC_LDQM_GPIO_PIN;
GPIO_Init(FSMC_LDQM_GPIO_PORT, &GPIO_InitStructure);
}
// 写时钟周期
//ADDSET +1 + DATAST +1 > 55ns;
//DATAST +1 >40ns
//ADDSET +1 > 0 ns
// 读的时钟
//ADDSET +1 > 25ns
//DATAST +1 > 0 ns
/时钟单位 1.38*10-8S = 13.8ns
//写时序
//ADDSET
//DATAST
//
//读时序
//ADDSET = 0
//DATAST = 2
//
//ADDSET +1 + DATAST +1 = (0+1+2+1)(13.8)=55.2> 55ns;
//DATAST +1 >=2+1*(13.8 = 41.4)40ns
//ADDSET +1 = 0+1*(13.8) = 13.8>0 ns
static void FSMC_ModleConfig(void){
//对寄存器进行配置
FSMC_NORSRAMTimingInitTypeDef readTimingInitStruct ; //读时序
FSMC_NORSRAMTimingInitTypeDef writeTimingInitStruct ; //写时序
FSMC_NORSRAMInitTypeDef SRAMInitStruct;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC,ENABLE); //注意时钟使能
//读
readTimingInitStruct.FSMC_AccessMode = FSMC_AccessMode_A ;/*设置访问模式 */
readTimingInitStruct.FSMC_AddressHoldTime = 0; //SRAM 没有用到
readTimingInitStruct.FSMC_BusTurnAroundDuration = 0;//SRAM 没有用到
readTimingInitStruct.FSMC_CLKDivision = 0;//SRAM 没有用到
readTimingInitStruct.FSMC_DataLatency = 0;//SRAM 没有用到
readTimingInitStruct.FSMC_AddressSetupTime = 0; //代表ADDSET单位13.8ns
readTimingInitStruct.FSMC_DataSetupTime =2;//代表DATAST单位13.8ns
//写
writeTimingInitStruct.FSMC_AccessMode = FSMC_AccessMode_A ;/*设置访问模式 */
writeTimingInitStruct.FSMC_AddressHoldTime = 0; //SRAM 没有用到
writeTimingInitStruct.FSMC_BusTurnAroundDuration = 0;//SRAM 没有用到
writeTimingInitStruct.FSMC_CLKDivision = 0;//SRAM 没有用到
writeTimingInitStruct.FSMC_DataLatency = 0;//SRAM 没有用到
writeTimingInitStruct.FSMC_AddressSetupTime = 0; //代表ADDSET单位13.8ns
writeTimingInitStruct.FSMC_DataSetupTime =2;//代表DATAST单位13.8ns
//到此读时序结构体完成
SRAMInitStruct.FSMC_Bank = FSMC_Bank1_NORSRAM3;
SRAMInitStruct.FSMC_ExtendedMode = FSMC_ExtendedMode_Enable; //读写时序
SRAMInitStruct.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b;
SRAMInitStruct.FSMC_MemoryType = FSMC_MemoryType_SRAM;
//SRAM 没有用到
SRAMInitStruct.FSMC_BurstAccessMode = FSMC_BurstAccessMode_Disable ;
SRAMInitStruct.FSMC_AsynchronousWait = FSMC_AsynchronousWait_Disable;
SRAMInitStruct.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable;
SRAMInitStruct.FSMC_WaitSignal = FSMC_WaitSignal_Disable;
SRAMInitStruct.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState;
SRAMInitStruct.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low;
SRAMInitStruct.FSMC_WrapMode = FSMC_WrapMode_Disable;
SRAMInitStruct.FSMC_WriteBurst = FSMC_WriteBurst_Disable;
SRAMInitStruct.FSMC_WriteOperation = FSMC_WriteOperation_Enable;
//读写操作结构化评估
SRAMInitStruct.FSMC_ReadWriteTimingStruct = &readTimingInitStruct;//读
SRAMInitStruct.FSMC_WriteTimingStruct = &writeTimingInitStruct;//写
//写操作 注意FSMC_ExtendedMode 配置成 FSMC_ExtendedMode_Enable 时候有用
// 吧配置写入寄存器
FSMC_NORSRAMInit(&SRAMInitStruct);
//使能FSMC
FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM3,ENABLE);
}
/**
* @brief 测试SRAM是否正常
* @param None
* @retval 正常返回1，异常返回0
*/
uint8_t SRAM_Test(void){
/*写入数据计数器*/
uint32_t counter=0;
/* 8位的数据 */
uint8_t ubWritedata_8b = 0, ubReaddata_8b = 0;
/* 16位的数据 */
uint16_t uhWritedata_16b = 0, uhReaddata_16b = 0;
printf("正在检测SRAM，以8位、16位的方式读写sram...");
/*按8位格式读写数据，并校验*/
/* 把SRAM数据全部重置为0 ，IS62WV51216_SIZE是以8位为单位的 */
for (counter = 0x00; counter < SRAM_SIZE; counter++)
{
*(__IO uint8_t*) (SRAM_BASE_ADDR + counter) = (uint8_t)0x0;
}
/* 向整个SRAM写入数据 8位 */
for (counter = 0; counter < SRAM_SIZE; counter++)
{
*(__IO uint8_t*) (SRAM_BASE_ADDR + counter) = (uint8_t)(ubWritedata_8b + counter);
}
/* 读取 SRAM 数据并检测*/
for(counter = 0; counter<SRAM_SIZE;counter++ )
{
ubReaddata_8b = *(__IO uint8_t*)(SRAM_BASE_ADDR + counter); //从该地址读出数据
if(ubReaddata_8b != (uint8_t)(ubWritedata_8b + counter)) //检测数据，若不相等，跳出函数,返回检测失败结果。
{
printf("8位数据读写错误！");
return 0;
}
}
/*按16位格式读写数据，并检测*/
/* 把SRAM数据全部重置为0 */
for (counter = 0x00; counter < SRAM_SIZE/2; counter++)
{
*(__IO uint16_t*) (SRAM_BASE_ADDR + 2*counter) = (uint16_t)0x00;
}
/* 向整个SRAM写入数据 16位 */
for (counter = 0; counter < SRAM_SIZE/2; counter++)
{
*(__IO uint16_t*) (SRAM_BASE_ADDR + 2*counter) = (uint16_t)(uhWritedata_16b + counter);
}
/* 读取 SRAM 数据并检测*/
for(counter = 0; counter<SRAM_SIZE/2;counter++ )
{
uhReaddata_16b = *(__IO uint16_t*)(SRAM_BASE_ADDR + 2*counter); //从该地址读出数据
if(uhReaddata_16b != (uint16_t)(uhWritedata_16b + counter)) //检测数据，若不相等，跳出函数,返回检测失败结果。
{
printf("16位数据读写错误！\n");
return 0;
}
}
printf("SRAM读写测试正常！\n");
/*检测正常，return 1 */
return 1;
}
/**
* @brief void SRAM_Init(void)
* @param 初始化
* @retval
*/
void SRAM_Init(void){
SRAM_GPIO_Config();
FSMC_ModleConfig();
}
static uint8_t testSRAM_Value __attribute__ ((at (SRAM_BASE_ADDR)));
/**
* @brief void SRAM_Write(void)
* @param None
* @retval
*/
void SRAM_Write(void){
uint8_t* SRAM_P ;
uint16_t* SRAM_P16 ;
float* SRAM_Pf ;
//---------------------------------
SRAM_P = (uint8_t*)SRAM_BASE_ADDR;
*SRAM_P = 0xA2;
printf("读出的数据为1: 0x%x\n",*SRAM_P);
//---------------------------------
SRAM_P16 = (uint16_t*)SRAM_BASE_ADDR;
*SRAM_P16 = 0x2AA2;
printf("读出的数据为2: 0x%x\n",*SRAM_P16);
//---------------------------------
SRAM_Pf = (float*)SRAM_BASE_ADDR;
*SRAM_Pf = 83.65;
printf("读出的数据为3: 0x%.2f\n",*SRAM_Pf);
//-----------利用常量来设计----------------------
testSRAM_Value = 0x6A;
printf("读出的数据为1: 0x%x\n",testSRAM_Value);
}
整改 系统文件diskio.c
代码如下 ：
/*-----------------------------------------------------------------------*/
/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2014 */
/*-----------------------------------------------------------------------*/
/* If a working storage control module is available, it should be */
/* attached to the FatFs via a glue function rather than modifying it. */
/* This is an example of glue functions to attach various exsisting */
/* storage control modules to the FatFs module with a defined API. */
/*-----------------------------------------------------------------------*/
#include "diskio.h" /* FatFs lower layer API */
#include "ff.h"
#include "SPI_book.h"
//#include "usbdisk.h" /* Example: Header file of existing USB MSD control module */
//#include "atadrive.h" /* Example: Header file of existing ATA harddisk control module */
//#include "sdcard.h" /* Example: Header file of existing MMC/SDC contorl module */
/* Definitions of physical drive number for each drive */
#define ATA 0 /* Example: Map ATA harddisk to physical drive 0 */
#define MMC 1 /* Example: Map MMC/SD card to physical drive 1 */
#define USB 2 /* Example: Map USB MSD to physical drive 2 */
#define SD_CARD 0
#define SPI_FLASH 1
/*-----------------------------------------------------------------------*/
/* Get Drive Status */
/*-----------------------------------------------------------------------*/
DSTATUS disk_status (
BYTE pdrv /* Physical drive nmuber to identify the drive */
)
{
DSTATUS stat = STA_NOINIT;
// int result;
switch (pdrv) {
case SD_CARD : break;
case SPI_FLASH :
if(SPI_Read_ID() == _SPI_FLASH_ID){
stat = RES_OK;
}else{
stat = RES_ERROR;
}
break;
default:
stat = STA_NOINIT;
}
return stat;
}
//disk_status 函数只有一个参数 pdrv，表示物理编号。一般我们都是使用 switch 函数实
//现对 pdrv 的分支判断。对于 SD 卡只是预留接口，留空即可。对于 SPI Flash 芯片，我们直
//接调用在 SPI_FLASH_ReadID()获取设备 ID，
/*-----------------------------------------------------------------------*/
/* Inidialize a Drive */
/*-----------------------------------------------------------------------*/
DSTATUS disk_initialize (
BYTE pdrv /* Physical drive nmuber to identify the drive */
)
{
DSTATUS stat = STA_NOINIT;
// int result;
switch (pdrv) {
case SD_CARD : break;
case SPI_FLASH :
SPI_FLASH_Init();
SPI_Flash_WAKEUP();
stat = disk_status(SPI_FLASH);
break;
default:
stat = STA_NOINIT;
}
return stat;
}
//disk_initialize 函数也是有一个参数 pdrv，用来指定设备物理编号。对于 SPI Flash 芯片
//我们调用 SPI_FLASH_Init()函数实现对 SPI Flash 芯片引脚 GPIO 初始化配置以及 SPI 通信
//参数配置。SPI_Flash_WAKEUP()函数唤醒 SPI Flash 芯片，当 SPI Flash 芯片处于睡眠模式
//时需要唤醒芯片才可以进行读写操作。
/*-----------------------------------------------------------------------*/
/* Read Sector(s) */
/*-----------------------------------------------------------------------*/
DRESULT disk_read (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address in LBA */
UINT count /* Number of sectors to read */
)
{
DRESULT res = RES_PARERR;
//int result;
switch (pdrv) {
case SD_CARD : break;
case SPI_FLASH :
// 扇区偏移2MB 外部Flash 文件系统空间放在 SPI_FLAH后面的6MB空间
sector += 512;
SPI_Read_Data(buff,(sector << 12),(count << 12));
res = RES_OK ;
break;
default:
res = RES_PARERR;
}
return res;
}
//SPI Flash 芯片型号为 W25Q64FV，每个扇区大小为 4096 个字节(4KB)，
//总共有 8M 字节空间，为兼容后面实验程序，我们只将后部分 6MB 空间分配给 FatFs 使用，
//前部分 2MB 空间用于其他实验需要，即 FatFs 是从 2MB 空间开始，为实现这个效果需要
//将所有的读写地址都偏移 512 个扇区空间
/*-----------------------------------------------------------------------*/
/* Write Sector(s) */
/*-----------------------------------------------------------------------*/
#if _USE_WRITE
DRESULT disk_write (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Sector address in LBA */
UINT count /* Number of sectors to write */
)
{
DRESULT res = RES_PARERR;
//int result;
if(!count){
return res;}
switch (pdrv) {
case SD_CARD : break;
case SPI_FLASH :
// 扇区偏移2MB 外部Flash 文件系统空间放在 SPI_FLAH后面的6MB空间
sector += 512;
SPI_Erase_Sector(sector << 12);
SPI_BufferWrite_Data((uint8_t *)buff ,sector << 12,count << 12);
res = RES_OK ;
break;
default:
res = RES_PARERR;
}
return res;
}
#endif
//disk_write 函数有四个形参，pdrv 为设备物理编号。buff 指向待写入扇区数据的首地址。
//sector，指定要写入数据的扇区首地址。count 指定扇区数量。对于 SPI Flash 芯片，在写入
//数据之前需要先擦除，所以用到扇区擦除函数(SPI_FLASH_SectorErase)。然后就是在调用
//数据写入函数(SPI_FLASH_BufferWrite)把数据写入到指定位置内。
/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions */
/*-----------------------------------------------------------------------*/
#if _USE_IOCTL
DRESULT disk_ioctl (
BYTE pdrv, /* Physical drive nmuber (0..) */
BYTE cmd, /* Control code */
void *buff /* Buffer to send/receive control data */
)
{
DRESULT res = RES_PARERR;
// int result;
switch (pdrv) {
case SD_CARD : break;
case SPI_FLASH :{
switch(cmd){
//返回 扇区的个数 1280*4096/1024/1024 = 5MB
case GET_SECTOR_COUNT:
*(DWORD * )buff = 1280;
break;
//返回每一个扇区的大小
case GET_SECTOR_SIZE:
*(DWORD * )buff = 4096;
break;
case GET_BLOCK_SIZE:
*(DWORD * )buff = 1;
break;
default:
return RES_PARERR;
}
res = RES_OK;
break;
}
default:
res = RES_PARERR;
}
return res;
}
#endif
DWORD get_fattime(void) {
/* 返回当前时间戳 */
return ((DWORD)(2015 - 1980) << 25) /* Year 2015 */
| ((DWORD)1 << 21) /* Month 1 */
| ((DWORD)1 << 16) /* Mday 1 */
| ((DWORD)0 << 11) /* Hour 0 */
| ((DWORD)0 << 5) /* Min 0 */
| ((DWORD)0 >> 1); /* Sec 0 */
}
修改头文件文件diskio.h
代码如下 ：
/*---------------------------------------------------------------------------/
/ FatFs - FAT file system module configuration file R0.11a (C)ChaN, 2015
/---------------------------------------------------------------------------*/
#define _FFCONF 64180 /* Revision ID */
/*---------------------------------------------------------------------------/
/ Function Configurations
/---------------------------------------------------------------------------*/
#define _FS_READONLY 0
/* This option switches read-only configuration. (0:Read/Write or 1:Read-only)
/ Read-only configuration removes writing API functions, f_write(), f_sync(),
/ f_unlink(), f_mkdir(), f_chmod(), f_rename(), f_truncate(), f_getfree()
/ and optional writing functions as well. */
#define _FS_MINIMIZE 0
/* This option defines minimization level to remove some basic API functions.
/
/ 0: All basic functions are enabled.
/ 1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_chmod(), f_utime(),
/ f_truncate() and f_rename() function are removed.
/ 2: f_opendir(), f_readdir() and f_closedir() are removed in addition to 1.
/ 3: f_lseek() function is removed in addition to 2. */
#define _USE_STRFUNC 1
/* This option switches string functions, f_gets(), f_putc(), f_puts() and
/ f_printf().
/
/ 0: Disable string functions.
/ 1: Enable without LF-CRLF conversion.
/ 2: Enable with LF-CRLF conversion. */
#define _USE_FIND 0
/* This option switches filtered directory read feature and related functions,
/ f_findfirst() and f_findnext(). (0:Disable or 1:Enable) */
#define _USE_MKFS 1
/* This option switches f_mkfs() function. (0:Disable or 1:Enable) */
//格式化功能选择，为使用 FatFs 格式化功能，需要把它设置为 1
#define _USE_FASTSEEK 0
/* This option switches fast seek feature. (0:Disable or 1:Enable) */
#define _USE_LABEL 0
/* This option switches volume label functions, f_getlabel() and f_setlabel().
/ (0:Disable or 1:Enable) */
#define _USE_FORWARD 0
/* This option switches f_forward() function. (0:Disable or 1:Enable)
/ To enable it, also _FS_TINY need to be set to 1. */
/*---------------------------------------------------------------------------/
/ Locale and Namespace Configurations
/---------------------------------------------------------------------------*/
#define _CODE_PAGE 936
//语言功能选择
/* This option specifies the OEM code page to be used on the target system.
/ Incorrect setting of the code page can cause a file open failure.
/
/ 1 - ASCII (No extended character. Non-LFN cfg. only)
/ 437 - U.S.
/ 720 - Arabic
/ 737 - Greek
/ 771 - KBL
/ 775 - Baltic
/ 850 - Latin 1
/ 852 - Latin 2
/ 855 - Cyrillic
/ 857 - Turkish
/ 860 - Portuguese
/ 861 - Icelandic
/ 862 - Hebrew
/ 863 - Canadian French
/ 864 - Arabic
/ 865 - Nordic
/ 866 - Russian
/ 869 - Greek 2
/ 932 - Japanese (DBCS)
/ 936 - Simplified Chinese (DBCS)
/ 949 - Korean (DBCS)
/ 950 - Traditional Chinese (DBCS)
*/
#define _USE_LFN 2
//2: Enable LFN with dynamic working buffer on the STACK.
//长文件名支持
#define _MAX_LFN 255
/* The _USE_LFN option switches the LFN feature.
/
/ 0: Disable LFN feature. _MAX_LFN has no effect.
/ 1: Enable LFN with static working buffer on the BSS. Always NOT thread-safe.
/ 2: Enable LFN with dynamic working buffer on the STACK.
/ 3: Enable LFN with dynamic working buffer on the HEAP.
/
/ When enable the LFN feature, Unicode handling functions (option/unicode.c) must
/ be added to the project. The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes.
/ When use stack for the working buffer, take care on stack overflow. When use heap
/ memory for the working buffer, memory management functions, ff_memalloc() and
/ ff_memfree(), must be added to the project. */
#define _LFN_UNICODE 0
/* This option switches character encoding on the API. (0:ANSI/OEM or 1:Unicode)
/ To use Unicode string for the path name, enable LFN feature and set _LFN_UNICODE
/ to 1. This option also affects behavior of string I/O functions. */
#define _STRF_ENCODE 3
/* When _LFN_UNICODE is 1, this option selects the character encoding on the file to
/ be read/written via string I/O functions, f_gets(), f_putc(), f_puts and f_printf().
/
/ 0: ANSI/OEM
/ 1: UTF-16LE
/ 2: UTF-16BE
/ 3: UTF-8
/
/ When _LFN_UNICODE is 0, this option has no effect. */
#define _FS_RPATH 0
/* This option configures relative path feature.
/
/ 0: Disable relative path feature and remove related functions.
/ 1: Enable relative path feature. f_chdir() and f_chdrive() are available.
/ 2: f_getcwd() function is available in addition to 1.
/
/ Note that directory items read via f_readdir() are affected by this option. */
/*---------------------------------------------------------------------------/
/ Drive/Volume Configurations
/---------------------------------------------------------------------------*/
#define _VOLUMES 2
/* Number of volumes (logical drives) to be used. */
//包括预留 SD 卡和 SPI Flash 芯片
#define _STR_VOLUME_ID 0
#define _VOLUME_STRS "RAM","NAND","CF","SD1","SD2","USB1","USB2","USB3"
/* _STR_VOLUME_ID option switches string volume ID feature.
/ When _STR_VOLUME_ID is set to 1, also pre-defined strings can be used as drive
/ number in the path name. _VOLUME_STRS defines the drive ID strings for each
/ logical drives. Number of items must be equal to _VOLUMES. Valid characters for
/ the drive ID strings are: A-Z and 0-9. */
#define _MULTI_PARTITION 0
/* This option switches multi-partition feature. By default (0), each logical drive
/ number is bound to the same physical drive number and only an FAT volume found on
/ the physical drive will be mounted. When multi-partition feature is enabled (1),
/ each logical drive number is bound to arbitrary physical drive and partition
/ listed in the VolToPart[]. Also f_fdisk() funciton will be available. */
#define _MIN_SS 512
#define _MAX_SS 4096
//SPI Flash 芯片扇区大小一般设置为 4096 字节
/* These options configure the range of sector size to be supported. (512, 1024,
/ 2048 or 4096) Always set both 512 for most systems, all type of memory cards and
/ harddisk. But a larger value may be required for on-board flash memory and some
/ type of optical media. When _MAX_SS is larger than _MIN_SS, FatFs is configured
/ to variable sector size and GET_SECTOR_SIZE command must be implemented to the
/ disk_ioctl() function. */
#define _USE_TRIM 0
/* This option switches ATA-TRIM feature. (0:Disable or 1:Enable)
/ To enable Trim feature, also CTRL_TRIM command should be implemented to the
/ disk_ioctl() function. */
#define _FS_NOFSINFO 0
/* If you need to know correct free space on the FAT32 volume, set bit 0 of this
/ option, and f_getfree() function at first time after volume mount will force
/ a full FAT scan. Bit 1 controls the use of last allocated cluster number.
/
/ bit0=0: Use free cluster count in the FSINFO if available.
/ bit0=1: Do not trust free cluster count in the FSINFO.
/ bit1=0: Use last allocated cluster number in the FSINFO if available.
/ bit1=1: Do not trust last allocated cluster number in the FSINFO.
*/
/*---------------------------------------------------------------------------/
/ System Configurations
/---------------------------------------------------------------------------*/
#define _FS_TINY 0
/* This option switches tiny buffer configuration. (0:Normal or 1:Tiny)
/ At the tiny configuration, size of the file object (FIL) is reduced _MAX_SS
/ bytes. Instead of private sector buffer eliminated from the file object,
/ common sector buffer in the file system object (FATFS) is used for the file
/ data transfer. */
#define _FS_NORTC 0
#define _NORTC_MON 1
#define _NORTC_MDAY 1
#define _NORTC_YEAR 2015
/* The _FS_NORTC option switches timestamp feature. If the system does not have
/ an RTC function or valid timestamp is not needed, set _FS_NORTC to 1 to disable
/ the timestamp feature. All objects modified by FatFs will have a fixed timestamp
/ defined by _NORTC_MON, _NORTC_MDAY and _NORTC_YEAR.
/ When timestamp feature is enabled (_FS_NORTC == 0), get_fattime() function need
/ to be added to the project to read current time form RTC. _NORTC_MON,
/ _NORTC_MDAY and _NORTC_YEAR have no effect.
/ These options have no effect at read-only configuration (_FS_READONLY == 1). */
#define _FS_LOCK 0
/* The _FS_LOCK option switches file lock feature to control duplicated file open
/ and illegal operation to open objects. This option must be 0 when _FS_READONLY
/ is 1.
/
/ 0: Disable file lock feature. To avoid volume corruption, application program
/ should avoid illegal open, remove and rename to the open objects.
/ >0: Enable file lock feature. The value defines how many files/sub-directories
/ can be opened simultaneously under file lock control. Note that the file
/ lock feature is independent of re-entrancy. */
#define _FS_REENTRANT 0
#define _FS_TIMEOUT 1000
#define _SYNC_t HANDLE
/* The _FS_REENTRANT option switches the re-entrancy (thread safe) of the FatFs
/ module itself. Note that regardless of this option, file access to different
/ volume is always re-entrant and volume control functions, f_mount(), f_mkfs()
/ and f_fdisk() function, are always not re-entrant. Only file/directory access
/ to the same volume is under control of this feature.
/
/ 0: Disable re-entrancy. _FS_TIMEOUT and _SYNC_t have no effect.
/ 1: Enable re-entrancy. Also user provided synchronization handlers,
/ ff_req_grant(), ff_rel_grant(), ff_del_syncobj() and ff_cre_syncobj()
/ function, must be added to the project. Samples are available in
/ option/syscall.c.
/
/ The _FS_TIMEOUT defines timeout period in unit of time tick.
/ The _SYNC_t defines O/S dependent sync object type. e.g. HANDLE, ID, OS_EVENT*,
/ SemaphoreHandle_t and etc.. A header file for O/S definitions needs to be
/ included somewhere in the scope of ff.c. */
#define _WORD_ACCESS 0
/* The _WORD_ACCESS option is an only platform dependent option. It defines
/ which access method is used to the word data on the FAT volume.
/
/ 0: Byte-by-byte access. Always compatible with all platforms.
/ 1: Word access. Do not choose this unless under both the following conditions.
/
/ * Address misaligned memory access is always allowed to ALL instructions.
/ * Byte order on the memory is little-endian.
/
/ If it is the case, _WORD_ACCESS can also be set to 1 to reduce code size.
/ Following table shows allowable settings of some type of processors.
/
/ ARM7TDMI 0 *2 ColdFire 0 *1 V850E 0 *2
/ Cortex-M3 0 *3 Z80 0/1 V850ES 0/1
/ Cortex-M0 0 *2 x86 0/1 TLCS-870 0/1
/ AVR 0/1 RX600(LE) 0/1 TLCS-900 0/1
/ AVR32 0 *1 RL78 0 *2 R32C 0 *2
/ PIC18 0/1 SH-2 0 *1 M16C 0/1
/ PIC24 0 *2 H8S 0 *1 MSP430 0 *2
/ PIC32 0 *1 H8/300H 0 *1 8051 0/1
/
/ *1:Big-endian.
/ *2:Unaligned memory access is not supported.
/ *3:Some compilers generate LDM/STM for mem_cpy function.
*/
建立FatFs传输的 头文件 FatFs_book.h
代码如下 ：
#ifndef __FATFS_BOOK_H_
#define __FATFS_BOOK_H_
#include "ff.h" /* Declarations of FatFs API */
extern FATFS fs; /* FatFs 文件系统对象 */
extern FIL fnew; /* 文件对象 */
extern FRESULT res_flash; /* 文件操作结果 */
extern UINT fnum; /* 文件成功读写数量 */
extern BYTE FATFS_buffer[0]; /* 读缓冲区 */
extern BYTE textFile_Buffer[];
extern BYTE textFile_Buffer2[];
extern BYTE File_Read_Buffer[1024];
#define textFile_Buffer "欢迎自己完成第一阶段回国隔离任务，后面加油 今天是个好日子，新建文件系统测试文件\r\n"
#define FileTest_ADDR_Buffer_Document "1:Wangqi.txt"
#define FileTest_ADDR_Buffer_NewDocument "1:Wangqi/Wangqi.txt"
#define FileTest_ADDR_Buffer_path "1:test"
#define FileTest_ADDR_Buffer_NewDocument2 "1:test/testdir.txt"
FRESULT FatFs_equipment_flash(
const TCHAR* path
);
FRESULT FatFs_Close_flash(
const TCHAR* path
);
BYTE* FatFs_document_Text(
const TCHAR* _File_ADDR ,
BYTE* Text_Buffer
);
void FatFs_document_set_content(
const TCHAR* _File_ADDR ,
const TCHAR* _File_OldPath ,
const TCHAR* _File_NewPath
);
FRESULT file_check(const TCHAR* FileTest_ADDR);
FRESULT Scan_file_Check(const TCHAR* File_ADDR);
#endif
建立FatFs传输的 头文件 FatFs_book.c
代码如下 ：
#include "FatFs_book.h"
#include "Systick_book.h"
#include "USART_book.h"
#include "string.h"
FATFS fs; /* FatFs 文件系统对象 */
FIL fnew; /* 文件对象 */
FRESULT res_flash; /* 文件操作结果 */
UINT fnum; /* 文件成功读写数量 */
BYTE FATFS_buffer[0]; /* 读缓冲区 */
/**************************************************************
* @brief
* FRESULT FatFs_equipment_flash(const TCHAR* path )
* @param
*
*FatFs 的第一步工作就是使用 f_mount 函数挂载工作区。f_mount 函数有三个形参，第
*一个参数是指向 FATFS 变量指针，如果赋值为 NULL 可以取消物理设备挂载。第二个参数
*为逻辑设备编号，使用设备根路径表示，与物理设备编号挂钩，在代码清单 26-1 中我们定
*义 SPI Flash 芯片物理编号为 1，所以这里使用“1：”。第三个参数可选 0 或 1，1 表示立
*即挂载，0 表示不立即挂载，延迟挂载。 f_mount 函数会返回一个 FRESULT 类型值，指示
*运行情况。
*如果 f_mount 函数返回值为 FR_NO_FILESYSTEM，说明没有 FAT 文件系统，比如新
*出厂的 SPI Flash 芯片就没有 FAT 文件系统。我们就必须对物理设备进行格式化处理。使用
*f_mkfs 函数可以实现格式化操作。f_mkfs 函数有三个形参，第一个参数为逻辑设备编号；
*第二参数可选 0 或者 1，0 表示设备为一般硬盘，1 表示设备为软盘。第三个参数指定扇区
*大小，如果为 0，表示通过代码清单 26-6 中 disk_ioctl 函数获取。格式化成功后需要先取消
*挂载原来设备，再重新挂载设备。
*
*/
FRESULT FatFs_equipment_flash(
const TCHAR* path
){
//在外部 SPI Flash 挂载文件系统，文件系统挂载时会对 SPI 设备初始化
//初始化函数调用流程如下
//f_mount()->find_volume()->disk_initialize->SPI_FLASH_Init()
DIR dir;
FATFS *pfs;
DWORD fre_clust , fre_sect , tot_sect ;
printf("\n********** 外部SPIFlash挂载文件系统 **********\r\n");
printf(" 在外部SPI Flash挂载文件系统，文件系统挂载时会对SPI设备初始化\r\n");
res_flash = f_mount(&fs ,path,1); //SPI Flash 芯片物理编号为 1，所以这里使用“1：”。
/* Pointer to the file system object (NULL:unmount)*/
/* Logical drive number to be mounted/unmounted */
/* 0:Do not mount (delayed mount), 1:Mount immediately */
/*----------------------- 格式化测试 -----------------*/
/* 如果没有文件系统就格式化创建创建文件系统 */
if(res_flash == FR_NO_FILESYSTEM ){
printf("》FLASH 还没有文件系统，即将进行Flash FatFS 格式化...\r\n");
/* 格式化 */
res_flash=f_mkfs(path,0,0);/* Create a file system on the volume */
/* Logical drive number */
/* Partitioning rule 0:FDISK, 1:SFD */
/* Size of allocation unit in unit of byte or sector */
//格式完成，先取消挂载
if(res_flash == FR_OK ){
printf("》FLASH 已成功格式化文件系统。\r\n");
res_flash = f_mount(NULL ,path ,1);
//重新挂载
res_flash = f_mount(&fs ,path ,1);
}else{
printf("》格式化失败。 \r\n");
return res_flash;
}
}
else if(res_flash != FR_OK){
printf("！外部 Flash 挂载文件系统失败。(%d)\r\n",res_flash);
printf("！可能原因：SPI Flash 初始化不成功。\r\n");
return res_flash;
}
else{
printf("》文件系统挂载成功，可以进行读写测试\r\n");
}
//获取设备信息和空间的大小
res_flash = f_getfree(path ,&fre_clust ,&pfs );
//计算得到的总扇区个数和空扇区个数
tot_sect = (pfs->n_fatent-2)*pfs->csize ;
fre_sect = fre_clust * pfs->csize ;
/* 打印信息(4096 字节/扇区) */
printf("》设备总空间：%10lu KB。\n》可用空间： %10lu KB。\r\n", tot_sect<<2, fre_sect<<2);
return FR_OK;
}
/**************************************************************
* @brief
* FRESULT FatFs_Close_flash( const TCHAR* path )
* @param
* 关闭Flash操作
**************************************************************/
FRESULT FatFs_Close_flash(
const TCHAR* path
){
res_flash=f_mkfs(path,0,0);
/* 不再使用文件系统，取消挂载文件系统 */
return f_mount(NULL ,path ,1);
}
/**************************************************************
* @brief
* void FatFs_document_Text(
* const TCHAR* _File_ADDR , 文件的目录
* BYTE* Text_Buffer 需要写入的内容
*)
* @param
* 关闭Flash文件的读写操作
**************************************************************/
BYTE* FatFs_document_Text(
const TCHAR* _File_ADDR ,
BYTE* Text_Buffer
){
BYTE File_Read_Buffer[1024]={
0} ;
printf("\n******** 文件%s定位和格式化写入功能测试 ********\r\n",File_Read_Buffer);
res_flash = f_open(&fnew , _File_ADDR, FA_OPEN_ALWAYS|FA_WRITE|FA_READ );
if( res_flash == FR_OK ){
//res_flash = f_write(&fnew,Text_Buffer ,sizeof(Text_Buffer), &fnum); 这个函数有点问题:sizeof(Text_Buffer)
//f_printf(&fnew ,Text_Buffer );
printf("******** 文件定位追加内容 ********\r\n");
res_flash = f_lseek(&fnew , f_size(&fnew)); //文件定位到 文件的末尾 Move file pointer of a file object
if( res_flash == FR_OK ){
//格式化写入 参数格式类似printf函数
f_printf(&fnew ,Text_Buffer );
res_flash = f_lseek(&fnew,0);
res_flash = f_read(&fnew , File_Read_Buffer , f_size(&fnew),&fnum );
if(res_flash == FR_OK){
printf("> 文件内容：\n%s\n" ,File_Read_Buffer );
}
}
}
else{
printf("!! 打开文件失败：%d\n",res_flash);
printf("!! 或许需要再次运行“FatFs移植与读写测试”工程\n");
}
f_close(&fnew);
return File_Read_Buffer;
}
/**************************************************************
* @brief
*void FatFs_document_set_content(
* const TCHAR* _File_ADDR , //文件原始名字路径
* const TCHAR* _File_OldPath ,//建立新的文件夹目录
* const TCHAR* _File_NewPath //文件移动以后的文件目录
*)
* @param
* 文件目录的更改
**************************************************************/
void FatFs_document_set_content(
const TCHAR* _File_ADDR ,
const TCHAR* _File_OldPath ,
const TCHAR* _File_NewPath
){
DIR dir;
//尝试打开目录、
printf("\n********** 目录创建和重命名功能测试 **********\r\n");
res_flash = f_opendir(&dir,_File_OldPath);
if(res_flash != FR_OK){
printf("!! 打开目录%s 失败开始尝试创建新的目录\n",_File_OldPath);
res_flash = f_mkdir(_File_OldPath);
res_flash = f_opendir(&dir,_File_OldPath);
if(res_flash != FR_OK){
printf("!! 创建新的目录还是失败(%d) \n",res_flash);
return;
}
}
else{
printf("!! 如果目录已经存在，关闭它\n");
res_flash = f_closedir(&dir);
//删除文件
f_unlink(_File_NewPath);
}
//重命名并移动文件
res_flash=f_rename(_File_ADDR , _File_NewPath);
printf("> 重命名并移动文件%d完成 \n",res_flash);
}
/**************************************************************
* @brief
* FRESULT file_check(const TCHAR* File_ADDR)
* @param
* 文件属性的查看
**************************************************************/
FRESULT file_check(const TCHAR* File_ADDR){
static FILINFO fno;
printf("\n********** file_check 测试 **********\r\n");
/* 获取文件信息，必须确保文件存在*/
res_flash = f_stat(File_ADDR,&fno);
if(res_flash==FR_OK){
printf("%s 文件信息：\n",File_ADDR);
printf("》文件大小: %ld(字节)\n", fno.fsize);
printf("》时间戳: %u/%02u/%02u, %02u:%02u\n",
(fno.fdate >> 9) + 1980, fno.fdate >> 5 & 15, fno.fdate & 31,
fno.ftime >> 11, fno.ftime >> 5 & 63);
printf("》属性: %c%c%c%c%c\n\n",
(fno.fattrib & AM_DIR) ? 'D' : '-', // 是一个目录
(fno.fattrib & AM_RDO) ? 'R' : '-', // 只读文件
(fno.fattrib & AM_HID) ? 'H' : '-', // 隐藏文件
(fno.fattrib & AM_SYS) ? 'S' : '-', // 系统文件
(fno.fattrib & AM_ARC) ? 'A' : '-'); // 档案文件
}
else{
printf("》错误 %ld(字节)\n",res_flash);
}
return res_flash;
}
/**************************************************************
* @brief
* FRESULT scan_file(char* File_ADDR)
* @param
* 文件目录内容的查看
**************************************************************/
static FRESULT scan_file(char* File_ADDR){
FRESULT res; //部分在递归过程被修改的变了
FILINFO fno;
DIR dir;
int i;
TCHAR* fn;
#if _USE_LFN
//长文件名支持
//简体中文需要2个字节保存一个字
static char lfn[_MAX_LFN*2 + 1];
fno.lfname = lfn;
fno.lfsize = sizeof(lfn);
#endif
//打开目录
res = f_opendir(&dir, File_ADDR);
if(res == FR_OK){
i = strlen(File_ADDR);
while(1){
//读取 目录下的内容，再读会自动读取下一个文件
res = f_readdir(&dir , &fno);
//为空时候表示读取完毕
if((res != FR_OK) || (fno.fname[0] == 0 )){
break;}
#if _USE_LFN
fn = *fno.lfname ?fno.lfname : fno.fname ;
#else
fn = fno.fname;
#endif
//表示当前目录跳过
if(*fn == '.'){
continue;}
//目录 递归读取
if( fno.fattrib & AM_DIR ){
//合成完整目录名
sprintf(&File_ADDR[i], "/%s", fn);
//递归遍历
res = scan_file(File_ADDR);
//打开失败，跳出循环
File_ADDR[i] = 0;
if(res != FR_OK ){
break;}
}else{
printf( "%s/%s\r\n" , File_ADDR , fn);
}
}
}
else{
printf("》错误 %d \n",res);
}
return res;
}
/**************************************************************
* @brief
* FRESULT Scan_file_Check(const TCHAR* File_ADDR)
* @param
* 文件目录内容的查看
**************************************************************/
FRESULT Scan_file_Check(const TCHAR* File_ADDR){
BYTE fpath[100]; /* 保存当前扫描路径 */
printf("\n********** file_路径测试 **********\r\n");
strcpy(fpath,File_ADDR);
return scan_file(fpath);
}
建立SPI传输的 头文件 SPI_book.h
代码如下 ：
#ifndef __SPI_BOOK_H_
#define __SPI_BOOK_H_
#include "stm32f10x.h"
//#define _SPI_FLASH_ID 0xEF3015 //W25X16
//#define _SPI_FLASH_ID 0xEF4015 //W25Q16
//#define _SPI_FLASH_ID 0XEF4018 //W25Q128
#define _SPI_FLASH_ID 0XEF4017 //W25Q64
//---------------- 这里封装了 I2C 通讯配置信息 -------------------
#define _FLASH_SPIx SPI1
#define _FLASH_SPI_APBxClock_FUN RCC_APB2PeriphClockCmd
#define _FLASH_SPI_CLK RCC_APB2Periph_SPI1
#define _FLASH_SPI_GPIO_APBxClock_FUN RCC_APB2PeriphClockCmd
#define _FLASH_SPI_GPIO_CLK RCC_APB2Periph_GPIOA
#define _FLASH_SPI_SCL_PORT GPIOA
#define _FLASH_SPI_SCL_PIN GPIO_Pin_5
#define _FLASH_SPI_MISO_PORT GPIOA
#define _FLASH_SPI_MISO_PIN GPIO_Pin_6
#define _FLASH_SPI_MOSI_PORT GPIOA
#define _FLASH_SPI_MOSI_PIN GPIO_Pin_7
#define _FLASH_SPI_CSS_PORT GPIOA
#define _FLASH_SPI_CSS_PIN GPIO_Pin_4
//FLASH_SPI 引脚配置
#define _FLASH_CSS_HIGH() _FLASH_SPI_CSS_PORT->BSRR = _FLASH_SPI_CSS_PIN
#define _FLASH_CSS_LOW() _FLASH_SPI_CSS_PORT->BRR = _FLASH_SPI_CSS_PIN
/*通讯等待超时时间*/
#define FLASH_SPI_TIMEOUT ((uint32_t)0x6000)
#define FLASH_SPI_LONG_TIMEOUT ((uint32_t)(10*FLASH_SPI_TIMEOUT))
//信息输出
#define FLASH_ERROR(fmt,arg...) printf("<<-FLASH-ERROR->> "fmt"\n",##arg)
//
#define SPI_PAGE_SIZE 4096
#define SPI_PAGE_Write_SIZE 256
//FLASH 指令
#define FLASH_SPI_DUMMY 0x00
#define FLASH_SPI_READ_JEDEC_ID 0x9f
#define FLASH_SPI_REASE_SECTOR 0x20
#define FLASH_SPI_READ_STATUS 0x05
#define FLASH_SPI_READ_DATA 0x03
#define FLASH_SPI_WRITE_ENABLE 0x06
#define FLASH_SPI_WRITE_DATA 0x02
#define FLASH_SPI_ChipErase 0xC7
void SPI_FLASH_Init(void);
uint32_t SPI_Read_ID(void);
uint32_t SPI_Read_DeviceID(void);
void SPI_Erase_Sector(uint32_t addr);
void SPI_FLASH_BulkErase(void);
void SPI_Read_Data(uint8_t *readBuffer , uint32_t addr ,uint16_t numByteToRead );
void SPI_BufferRead_Data(uint8_t *writeBuffer , uint32_t WriteAddr ,uint16_t numByteToWrite );
void SPI_Write_Data(uint8_t *writeBuffer , uint32_t addr ,uint16_t numByteToRead );
void SPI_BufferWrite_Data(uint8_t *writeBuffer , uint32_t WriteAddr ,uint16_t numByteToWrite );
void SPI_Show_Data(uint8_t *readBuffer , uint16_t numByteToRead);
#endif
建立SPI传输的 头文件 SPI_book.c
代码如下 ：
#include "SPI_book.h"
#include "Systick_book.h"
static __IO uint32_t SPITimeout = FLASH_SPI_LONG_TIMEOUT;
/**
* @brief SPII/O配置
* @param 无
* @retval 无
*/
static void SPI_GPIO_Config(void){
GPIO_InitTypeDef GPIO_InitStructure;
//使能与SPI 有关的时钟
_FLASH_SPI_APBxClock_FUN(_FLASH_SPI_CLK , ENABLE);
_FLASH_SPI_GPIO_APBxClock_FUN(_FLASH_SPI_GPIO_CLK , ENABLE);
//MISO MOSI SCK
GPIO_InitStructure.GPIO_Pin = _FLASH_SPI_SCL_PIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(_FLASH_SPI_SCL_PORT,&GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = _FLASH_SPI_MISO_PIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(_FLASH_SPI_SCL_PORT,&GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = _FLASH_SPI_MOSI_PIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(_FLASH_SPI_SCL_PORT,&GPIO_InitStructure);
//初始化CSS引脚，使能软件控制，所以直接设置为推挽输出
GPIO_InitStructure.GPIO_Pin = _FLASH_SPI_CSS_PIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(_FLASH_SPI_SCL_PORT,&GPIO_InitStructure);
_FLASH_CSS_HIGH();
}
/**
* @brief static void SPI_Mode_Config(void) 配置
* @param 无
* @retval 无
*/
static void SPI_Mode_Config(void){
SPI_InitTypeDef SPI_InitStructure;
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2 ; //波特率预分频值为 2
SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge ; //数据捕获于第二个时钟沿
SPI_InitStructure.SPI_CPOL = SPI_CPOL_High; //时钟悬空高
SPI_InitStructure.SPI_CRCPolynomial = 0; //不使用CRC功能，数值随便写
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b; //SPI 发送接收 8 位帧结构
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex ; //双线全双工
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB; //数据传输从 MSB 位开始
SPI_InitStructure.SPI_Mode = SPI_Mode_Master ; //设置为主 SPI
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft; //内部 NSS 信号有 SSI 位控制
SPI_Init(_FLASH_SPIx , &SPI_InitStructure ); //写入配置到寄存器
SPI_Cmd(_FLASH_SPIx , ENABLE); //使能SPI
}
/**
* @brief void SPI_FLASH_Init(void) 初始化
* @param 无
* @retval 无
*/
void SPI_FLASH_Init(void){
SPI_GPIO_Config();
SPI_Mode_Config();
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// 通讯建立操作
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
/**
* @brief Basic management of the timeout situation.
* @param errorCode：错误代码，可以用来定位是哪个环节出错.
* @retval 返回0，表示SPI读取失败.
*/
static uint32_t SPI_TIMEOUT_UserCallback(uint8_t errorCode)
{
/* Block communication and all processes */
FLASH_ERROR("SPI 等待超时!errorCode = %d",errorCode);
return 0;
}
/**
* @brief uint8_t SPI_FLASH_Send_Byte(uint8_t data) 初始化
* @param 发送并且接收一个字节
* @retval 无
*/
static uint8_t SPI_FLASH_Send_Byte(uint8_t data){
SPITimeout = FLASH_SPI_TIMEOUT;
//检查并等待至TX缓冲区
while(SPI_I2S_GetFlagStatus(_FLASH_SPIx,SPI_I2S_FLAG_TXE) == RESET){
//发送缓存空标志位
if(SPITimeout--==0) {
return SPI_TIMEOUT_UserCallback(0);}
}
//判断程序已经为空
SPI_I2S_SendData(_FLASH_SPIx , data);
//判断接受缓存非空
SPITimeout = FLASH_SPI_TIMEOUT;
while(SPI_I2S_GetFlagStatus(_FLASH_SPIx,SPI_I2S_FLAG_RXNE) == RESET){
//接受缓存非空标志位标志位
if(SPITimeout--==0) {
return SPI_TIMEOUT_UserCallback(1);}
}
//程序发送完毕.并且需要接收一个字节
return SPI_I2S_ReceiveData(_FLASH_SPIx);
}
/**
* @brief uint8_t SPI_FLASH_Send_Byte(uint8_t data) 初始化
* @param 发送并且接收一个字节
* @retval 无
*/
static uint8_t SPI_FLASH_SendHalf_Byte(uint16_t Halfdata){
SPITimeout = FLASH_SPI_TIMEOUT;
//检查并等待至TX缓冲区
while(SPI_I2S_GetFlagStatus(_FLASH_SPIx,SPI_I2S_FLAG_TXE) == RESET){
//发送缓存空标志位
if(SPITimeout--==0) {
return SPI_TIMEOUT_UserCallback(2);}
}
//判断程序已经为空
SPI_I2S_SendData(_FLASH_SPIx , Halfdata);
//判断接受缓存非空
SPITimeout = FLASH_SPI_TIMEOUT;
while(SPI_I2S_GetFlagStatus(_FLASH_SPIx,SPI_I2S_FLAG_RXNE) == RESET){
//接受缓存非空标志位标志位
if(SPITimeout--==0) {
return SPI_TIMEOUT_UserCallback(3);}
}
//程序发送完毕.并且需要接收一个字节
return SPI_I2S_ReceiveData(_FLASH_SPIx);
}
/**
* @brief uint32_t SPI_Read_ID(void)
* @param 读取ID号
* @retval
*/
uint32_t SPI_Read_ID(void){
uint32_t flash_id;
//片选使能
_FLASH_CSS_LOW();
SPI_FLASH_Send_Byte(FLASH_SPI_READ_JEDEC_ID);
flash_id = SPI_FLASH_Send_Byte(FLASH_SPI_DUMMY);//Memory typeID
flash_id<<=8;
flash_id|=SPI_FLASH_Send_Byte(FLASH_SPI_DUMMY);//Capcity typeID
flash_id<<=8;
flash_id|=SPI_FLASH_Send_Byte(FLASH_SPI_DUMMY);//Capcity typeID
_FLASH_CSS_HIGH();
return flash_id;
}
/**
* @brief uint32_t SPI_Read_ID(void)
* @param 读取ID号
* @retval
*/
//uint32_t SPI_Read_DeviceID(void){
// uint32_t flash_id;
// //片选使能
// _FLASH_CSS_LOW();
// SPI_FLASH_Send_Byte(FLASH_SPI_READ_JEDEC_ID);
// SPI_FLASH_Send_Byte(FLASH_SPI_DUMMY);//Memory typeID
// SPI_FLASH_Send_Byte(FLASH_SPI_DUMMY);//Capcity typeID
// SPI_FLASH_Send_Byte(FLASH_SPI_DUMMY);//Capcity typeID
// flash_id = SPI_FLASH_Send_Byte(FLASH_SPI_DUMMY);//Capcity typeID
// _FLASH_CSS_HIGH();
// return flash_id;
//}
/**
* @brief void SPI_Write_Enable(void)
* @param 写入使能
* @retval
*/
static void SPI_Write_Enable(void){
//片选使能
_FLASH_CSS_LOW();
SPI_FLASH_Send_Byte(FLASH_SPI_WRITE_ENABLE);
_FLASH_CSS_HIGH();
}
/**
* @brief static void SPI_WaitForWriteEnd(void);
* @param //等待FLASH内部时序操作完成
* @retval
*/
static SPI_WaitForWriteEnd(void){
uint8_t status_reg = 0; //判断最低位S0 erse or write in progress
// 片选指令
_FLASH_CSS_LOW();
SPI_FLASH_Send_Byte(FLASH_SPI_READ_STATUS);
do{
status_reg = SPI_FLASH_Send_Byte(FLASH_SPI_DUMMY); //想要读取数据需要继续发送
}while((status_reg & 0x01)==1); //校验最低位进行校验
_FLASH_CSS_HIGH();
}
/**
* @brief svoid SPI_Erase_Sector(uint32_t addr)
* @param 擦除FLASH指定扇区
* @retval
*/
void SPI_Erase_Sector(uint32_t addr){
SPI_Write_Enable();
/* 擦除扇区 */
/* 选择FLASH: CS低电平 */
_FLASH_CSS_LOW();
/* 发送扇区擦除指令*/
SPI_FLASH_Send_Byte(FLASH_SPI_REASE_SECTOR);
/*发送擦除扇区地址的高位*/
SPI_FLASH_Send_Byte((addr & 0xFF0000) >> 16);
/* 发送擦除扇区地址的中位 */
SPI_FLASH_Send_Byte((addr & 0xFF00) >> 8);
/* 发送擦除扇区地址的低位 */
SPI_FLASH_Send_Byte(addr & 0xFF);
/* 停止信号 FLASH: CS 高电平 */
_FLASH_CSS_HIGH();
/* 等待擦除完毕*/
SPI_WaitForWriteEnd();
}
/**
* @brief 擦除FLASH扇区，整片擦除
* @param 无
* @retval 无
*/
void SPI_FLASH_BulkErase(void){
//发送FLASH 写使能命令
SPI_Write_Enable();
//整块Erase
//选择FLASH :CS 低电平
_FLASH_CSS_LOW();
SPI_FLASH_Send_Byte(FLASH_SPI_ChipErase);
/* 停止信号 FLASH: CS 高电平 */
_FLASH_CSS_HIGH();
/* 等待擦除完毕*/
SPI_WaitForWriteEnd();
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// 读写操作
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
/**
* @brief void SPI_Read_Data(uint8_t *readBuffer , uint32_t addr ,uint32_t numByteToRead ));
* @param 读取FLASH的内容
* @retval
*/
void SPI_Read_Data(uint8_t *readBuffer , uint32_t addr ,uint16_t numByteToRead ){
//片选使能
_FLASH_CSS_LOW();
//发送地址
/* 发送 读 指令 */
SPI_FLASH_Send_Byte(FLASH_SPI_READ_DATA);
/* 发送 读 地址高位 */
SPI_FLASH_Send_Byte((addr>>16)&0xff);
/* 发送 读 地址中位 */
SPI_FLASH_Send_Byte((addr>>8)&0xff);
/* 发送 读 地址低位 */
SPI_FLASH_Send_Byte(addr&0xff);
// if(numByteToRead > SPI_PAGE_SIZE){
// numByteToRead = SPI_PAGE_SIZE;
// printf("SPI_FLASH_PageWrite too large!\n");
// }
/* 读取数据 */
while(numByteToRead--){
/* 读取一个字节*/
*readBuffer = SPI_FLASH_Send_Byte(FLASH_SPI_DUMMY);
/* 指向下一个字节缓冲区 */
readBuffer++;
}
/* 停止信号 FLASH: CS 高电平 */
_FLASH_CSS_HIGH();
}
/**
* @brief void SPI_Write_Data(uint8_t *readBuffer , uint32_t addr ,uint32_t numByteToRead ));
* @param 读取FLASH的内容
* @retval
*/
void SPI_Write_Data(uint8_t *writeBuffer , uint32_t addr ,uint16_t numByteToRead ){
SPI_Write_Enable();
//片选使能
_FLASH_CSS_LOW();
/* 写页写指令*/
SPI_FLASH_Send_Byte(FLASH_SPI_WRITE_DATA);
/*发送写地址的高位*/
SPI_FLASH_Send_Byte((addr&0xff0000)>>16);
/*发送写地址的中位*/
SPI_FLASH_Send_Byte((addr&0xff00)>>8);
/*发送写地址的低位*/
SPI_FLASH_Send_Byte(addr&0xff);
if(numByteToRead > SPI_PAGE_SIZE){
numByteToRead = SPI_PAGE_SIZE;
printf("SPI_FLASH_PageWrite too large!\n");
}
//写入数据
while(numByteToRead--){
//发送当前要写入的字节数据
SPI_FLASH_Send_Byte(*writeBuffer);
//指向先亿字节数据
writeBuffer++;
}
/* 停止信号 FLASH: CS 高电平 */
_FLASH_CSS_HIGH();
/* 等待写入完毕*/
SPI_WaitForWriteEnd();
}
/**
* @brief SPI_Write_Data(uint8_t *writeBuffer , uint32_t addr ,uint32_t numByteToRead ){
* @param 读取FLASH的内容
* @retval
*/
void SPI_BufferWrite_Data(uint8_t *writeBuffer , uint32_t WriteAddr ,uint16_t numByteToWrite ){
uint32_t NumOfPage , NumOfSingle , BufferAddr ,count , temp;
if(numByteToWrite == 0){
printf("SPI_FLASH_PageWrite too small!\n"); return;}
BufferAddr = WriteAddr % SPI_PAGE_Write_SIZE;
/*地址对应页的前方对齐数量*/
count = SPI_PAGE_Write_SIZE - BufferAddr;
/*当前页剩下的全部地址数量*/
if(count >= numByteToWrite){
//剩下的内容可以一行写完
SPI_Write_Data(writeBuffer ,WriteAddr ,numByteToWrite );
return;
}
SPI_Write_Data(writeBuffer ,WriteAddr ,(uint16_t)count );//分割写入单独页面
temp = numByteToWrite - count ; //排除多余部分
WriteAddr += count;
writeBuffer+=count;
NumOfPage = temp / SPI_PAGE_Write_SIZE ; //对大面积分割输入
NumOfSingle = temp % SPI_PAGE_Write_SIZE ;
if(NumOfPage == 0){
SPI_Write_Data(writeBuffer ,WriteAddr ,(uint16_t)NumOfSingle );
return;
}else{
while(NumOfPage--){
SPI_Write_Data(writeBuffer ,WriteAddr ,SPI_PAGE_Write_SIZE );
WriteAddr += SPI_PAGE_Write_SIZE;
writeBuffer += SPI_PAGE_Write_SIZE;
}
SPI_Write_Data(writeBuffer ,WriteAddr ,(uint16_t)NumOfSingle );
return;
}
}
/**
* @brief void SPI_Show_Data(uint8_t *readBuffer);
* @param 读取FLASH的内容
* @retval
*/
void SPI_Show_Data(uint8_t *readBuffer , uint16_t numByteToRead){
uint32_t i;
for(i=0 ;i<numByteToRead ;i++ ){
if(i%SPI_PAGE_Write_SIZE == 0){
//每隔256字节换行
printf("\r\n ");
}
printf("0x%x ",readBuffer[i]);
}
}
(1) 使用 GPIO_InitTypeDef定义 GPIO初始化结构体变量，以便下面用于存储 GPIO 配置；
(2) 调用库函数 RCC_APB2PeriphClockCmd 来使能 SPI 引脚使用的 GPIO 端口时钟。
(3) 向 GPIO 初始化结构体赋值，把 SCK/MOSI/MISO 引脚初始化成复用推挽模式。而 CS(NSS)引脚由于使用软件控制，我们把它配置为普通的推挽输出模式。
(4) 使用以上初始化结构体的配置，调用 GPIO_Init 函数向寄存器写入参数，完成 GPIO 的 初始化
SPI_FLASH_SendByte 函数实现了前面讲解的“SPI 通讯过程”： (1) 本函数中不包含 SPI 起始和停止信号，只是收发的主要过程，所以在调用本函数 前后要做好起始和停止信号的操作；
(2) 对 SPITimeout 变量赋值为宏 SPIT_FLAG_TIMEOUT。这个 SPITimeout 变量在下 面的 while 循环中每次循环减 1，该循环通过调用库函数 SPI_I2S_GetFlagStatus 检 测事件，若检测到事件，则进入通讯的下一阶段，若未检测到事件则停留在此处 一直检测，当检测 SPIT_FLAG_TIMEOUT 次都还没等待到事件则认为通讯失败， 调用的 SPI_TIMEOUT_UserCallback 输出调试信息，并退出通讯；
(3) 通过检测 TXE 标志，获取发送缓冲区的状态，若发送缓冲区为空，则表示可能存 在的上一个数据已经发送完毕；
(4) 等待至发送缓冲区为空后，调用库函数 SPI_I2S_SendData 把要发送的数据“byte” 写入到 SPI 的数据寄存器 DR，写入 SPI 数据寄存器的数据会存储到发送缓冲区， 由 SPI 外设发送出去；
(5) 写入完毕后等待 RXNE 事件，即接收缓冲区非空事件。由于 SPI 双线全双工模式 下 MOSI 与 MISO 数据传输是同步的(请对比“SPI 通讯过程”阅读)，当接收缓冲 区非空时，表示上面的数据发送完毕，且接收缓冲区也收到新的数据；
(6) 等待至接收缓冲区非空时，通过调用库函数 SPI_I2S_ReceiveData 读取 SPI 的数据 寄存器 DR，就可以获取接收缓冲区中的新数据了。代码中使用关键字“return” 把接收到的这个数据作为 SPI_FLASH_SendByte 函数的返回值，所以我们可以看 到在下面定义的 SPI 接收数据函数 SPI_FLASH_ReadByte，它只是简单地调用了 SPI_FLASH_SendByte 函数发送数据“Dummy_Byte”，然后获取其返回值(因为 不关注发送的数据，所以此时的输入参数“Dummy_Byte”可以为任意值)。可以 这样做的原因是 SPI 的接收过程和发送过程实质是一样的，收发同步进行，关键 在于我们的上层应用中，关注的是发送还是接收的数据。
建立I2C模拟传输的 头文件 I2C_soft_book.h
代码如下 ：
#ifndef __I2C_SOFT_BOOK_H_
#define __I2C_SOFT_BOOK_H_
#include "stm32f10x.h"
//---------------- 这里封装了 I2C 通讯配置信息 -------------------
#define _Soft_I2C_GPIO_APBxClock_FUN RCC_APB2PeriphClockCmd
#define _Soft_I2C_GPIO_CLK RCC_APB2Periph_GPIOB
#d