国产MCU-CW32F030开发学习-ST7735 LCD模块

国产MCU-CW32F030开发学习-ST7735 LCD模块

硬件平台

  1. CW32_48F大学计划板
  2. CW32_IOT_EVA物联网开发评估套件
  3. 0.96 IIC oled模块
    在这里插入图片描述
    在这里插入图片描述

ST7735 LCD模块

硬件接口使用的 2.54mm 间距的排针接口,这使用杜邦线进行连接.

ST7735 参数
供电电压 3.3~5.5V
驱动IC ST7735
分辨率 128x128/128x160
尺寸 1.44 / 1.8寸
驱动接口 4线SPI

引脚功能

引脚名称 引脚功能
VCC 电源正,3.3 - 5V,需要与通信电平一致
GND 电源负,地
CS 片选,低电平使能
RST 复位,低电平使能
DC 数据/命令选择,低电平命令,高电平数据
SDA SPI数据输入端口
SCL SPI时钟信号输入端口
BLK 背光,悬空使能接地关闭,默认上拉至3.3V

文件结构如下:

Application:
		main.c
    	main.h
        interrupts_cw32f030.c
        interrupts_cw32f030.h
        startup_cw32f030.s 
        core_cm0plus.h
BspDriver:
		bsp_led.c
        bsp_led.h
        bsp_lcd.c          		
        bsp_lcd.h
FwlibLbibraries:
		cw32f030_gpio.c
        cw32f030_gpio.h 
        //cw32f030官方库函数文件
SystemLibraries:
		//芯片系统资料配置文件
		rcc_config.c
        rcc_config.h
		//uart timer rcc.....
Output:
		编译过程输出文件 例如hex

p9x53Gt.md.png

main.c

#include "main.h"
/*
系统时钟配置为64M
*/
void Board_Iint(void)
{
    
    
    RCC_Configuration();  //系统时钟64M
	Lcd_Init();
    LED_init();
}

int main()
{
    
    	
	
    unsigned char aht10_temp=20;
    unsigned char aht10_humi=70;
    Board_Iint();
	Lcd_Clear(GRAY0);               //清屏
	Gui_DrawFont_GBK16(15,5,BLACK,GRAY0,"HELLO-CW32");
    Gui_DrawFont_GBK16(15,25,RED,GRAY0,"CW32-48F-Board");
    Gui_DrawFont_GBK16(15,45,RED,GRAY0,"By 2023-06-01");
    Gui_DrawFont_GBK16(15,65,RED,GRAY0,"By CoderEnd");
        
    TFT_ShowString_16x16(15,100,"Temp:",Blue1,White);
    TFT_ShowString_16x16(15,120,"Humi:",Blue1,White);
    
    TFT_ShowNumber_Float_16x16(60,100,aht10_temp,2,1,Red,White);
    TFT_ShowNumber_Float_16x16(60,120,aht10_humi,2,1,Red,White);
	while(1)
    {
    
    
        GPIO_TogglePin(LED1_GPIO_PORT, LED1_GPIO_PIN);
        delay1ms(500);//延迟500ms
        
    }
}

main.h

/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.h
  * @brief          : Header for main.c file.
  *                   This file contains the common defines of the application.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2021 CW.
  * All rights reserved.</center></h2>
  *
  *
  ******************************************************************************
  */
/* USER CODE END Header */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __MAIN_H
#define __MAIN_H

#ifdef __cplusplus
extern "C" {
    
    
#endif

//--------------------------------------------------------------------------------------------------
//  Standard library |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//--------------------------------------------------------------------------------------------------
#include "base_types.h"
#include "cw32f030.h"
#include "system_cw32f030.h"
#include "interrupts_cw32f030.h"

	
#include "cw32f030_adc.h"	
#include "cw32f030_atim.h"	
#include "cw32f030_awt.h"	
#include "cw32f030_btim.h"	
#include "cw32f030_crc.h"	
#include "cw32f030_debug.h"	
#include "cw32f030_digitalsign.h"	
#include "cw32f030_dma.h"	
#include "cw32f030_flash.h"	
#include "cw32f030_gpio.h"	
#include "cw32f030_gtim.h"	
#include "cw32f030_i2c.h"
#include "cw32f030_iwdt.h"	
#include "cw32f030_lvd.h"	
#include "cw32f030_pwr.h"	
#include "cw32f030_ram.h"	
#include "cw32f030_rcc.h"
#include "cw32f030_rtc.h"	
#include "cw32f030_spi.h"	
#include "cw32f030_systick.h"	
#include "cw32f030_uart.h"	
#include "cw32f030_wwdt.h"
//--------------------------------------------------------------------------------------------------
//  数据类型重定义    |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//--------------------------------------------------------------------------------------------------
#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include "stdarg.h"
#include "stdlib.h"  //函数调用头文件
#include "stdio.h"   //为了解除sprintf警告
/**************************************************************************************************
typedef unsigned char               uint8_t;
typedef unsigned short              uint16_t;
typedef unsigned long               uint32_t;
typedef unsigned long long int      uint64_t;

typedef signed char                 int8_t;
typedef signed short                int16_t;
typedef signed long                 int32_t;
typedef long long int               int64_t;

C语言数据类型
整型(int)、单精度浮点型(float)
双精度浮点型(double)、字符型(char)

整型(int)类型又划分了 
long int(也可以直接写为long) 、long long int(可以直接写为long long) 、short int(可以直接写为short)
指针类型:void *;

空类型:void;

构造类型:数组、结构体(strtuct)、共用体类型(union)、枚举类型(enum);

1字节(Byte) = 8位(bit)   1Byte=8bi 
******************************************************************************************************/
//--------------------------------------------------------------------------------------------------
//  系统函数头文件    |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//--------------------------------------------------------------------------------------------------
///*  void delay1ms(uint32_t u32Cnt) //1ms延迟函数
// * \brief   delay1ms
// *          delay approximately 1ms.
// * \param   [in]  u32Cnt
// * \retval  void
// */
#include "rcc_config.h"

//--------------------------------------------------------------------------------------------------
//  模块函数头文件    |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//--------------------------------------------------------------------------------------------------
#include "bsp_lcd.h"
#include "bsp_led.h"
/* USER CODE END Includes */


/* Exported types ------------------------------------------------------------*/
/* USER CODE BEGIN ET */
/* USER CODE END ET */


/* Exported constants --------------------------------------------------------*/
/* USER CODE BEGIN EC */
/* USER CODE END EC */


/* Exported macro ------------------------------------------------------------*/
/* USER CODE BEGIN EM */

/* USER CODE END EM */

//--------------------------------------------------------------------------------------------------
//  引用函数声明    |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//--------------------------------------------------------------------------------------------------

/* Exported functions prototypes ---------------------------------------------*/
/* USER CODE BEGIN EFP */
void Board_Iint(void);                         //硬件设备初始化
/* USER CODE END EFP */


/* Private defines -----------------------------------------------------------*/
/* USER CODE BEGIN Private defines */
/* USER CODE END Private defines */


#ifdef __cplusplus
}
#endif

#endif /* __MAIN_H */

/************************ (C) COPYRIGHT CW *****END OF FILE****/

bsp_lcd.c

//----------------  ----------------------------------------------------------------------------------
//  包含的头文件    |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//--------------------------------------------------------------------------------------------------

#include "main.h"
#include "font.h"

//==================================================================================================
//  实现功能: LCD_GPIO_Init
//  函数说明: //液晶IO初始化配置
//  函数备注: 
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void LCD_GPIO_Init(void)
{
    
    
    GPIO_InitTypeDef GPIO_InitStruct;
	__RCC_GPIOB_CLK_ENABLE();
	__RCC_GPIOA_CLK_ENABLE();
      GPIO_InitStruct.IT = GPIO_IT_NONE; //LED1 
      GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
      GPIO_InitStruct.Pins = GPIO_PIN_0;
      GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;	
      GPIO_InitStruct.Pins = GPIO_PIN_4| GPIO_PIN_5| GPIO_PIN_6| GPIO_PIN_7;
	  GPIO_Init(CW_GPIOB, &GPIO_InitStruct);      	
	
	  GPIO_InitStruct.Pins = GPIO_PIN_15;
	  GPIO_Init(CW_GPIOA, &GPIO_InitStruct);
}


//==================================================================================================
//  实现功能: SPI_WriteData
//  函数说明: 向SPI总线传输一个8位数据
//  函数备注: 
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void  SPI_WriteData(unsigned char Data)
{
    
    
	unsigned char i=0;
	for(i=8;i>0;i--)
	{
    
    
			if(Data&0x80)	
			LCD_SDA_SET; //输出数据
			else LCD_SDA_CLR;
	   
      LCD_SCL_CLR;       
      LCD_SCL_SET;
      Data<<=1; 
	}
}
//==================================================================================================
//  实现功能: Lcd_WriteIndex
//  函数说明: 向液晶屏写一个8位指令
//  函数备注: 
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void Lcd_WriteIndex(unsigned char Index)
{
    
    
   //SPI 写命令时序开始
     LCD_CS_CLR;
     LCD_RS_CLR;
	 SPI_WriteData(Index);
     LCD_CS_SET;
} 
//==================================================================================================
//  实现功能: Lcd_WriteData
//  函数说明: 向液晶屏写一个8位数据
//  函数备注: 
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void Lcd_WriteData(unsigned char Data)
{
    
    
   LCD_CS_CLR;
   LCD_RS_SET;
   SPI_WriteData(Data);
   LCD_CS_SET; 
}
//==================================================================================================
//  实现功能: LCD_WriteData_16Bit
//  函数说明: 向液晶屏写一个16位数据
//  函数备注: 
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
//向液晶屏写一个16位数据
void LCD_WriteData_16Bit(unsigned short Data)
{
    
    
   LCD_CS_CLR;
   LCD_RS_SET;
	 SPI_WriteData(Data>>8); 	//写入高8位数据
	 SPI_WriteData(Data); 			//写入低8位数据
   LCD_CS_SET; 
}
//==================================================================================================
//  实现功能: Lcd_WriteReg
//  函数说明: 写寄存器内容函数
//  函数备注: 
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void Lcd_WriteReg(unsigned char Index,unsigned char Data)
{
    
    
	Lcd_WriteIndex(Index);
  Lcd_WriteData(Data);
}

//==================================================================================================
//  实现功能: Lcd_Reset
//  函数说明: LCD复位
//  函数备注: 
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void Lcd_Reset(void)
{
    
    
	unsigned int i;
	LCD_RST_CLR;
	//delay_ms(100);
	for(i=0;i<6000;i++);
	LCD_RST_SET;
	for(i=0;i<6000;i++);
}
//==================================================================================================
//  实现功能: Lcd_Init
//  函数说明: LCD硬件初始化
//  函数备注: LCD Init For 1.70Inch LCD Panel with ST7735R.
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void Lcd_Init(void)
{
    
    	
	unsigned int i;
	
	LCD_GPIO_Init();
	Lcd_Reset(); //Reset before LCD Init.

	//LCD Init For 1.44Inch LCD Panel with ST7735R.
	Lcd_WriteIndex(0x11);//Sleep exit 
	//delay_ms (120);
	
	for(i=0;i<65000;i++);
	for(i=0;i<65000;i++);
		
	//ST7735R Frame Rate
	Lcd_WriteIndex(0xB1); 
	Lcd_WriteData(0x01); 
	Lcd_WriteData(0x2C); 
	Lcd_WriteData(0x2D); 

	Lcd_WriteIndex(0xB2); 
	Lcd_WriteData(0x01); 
	Lcd_WriteData(0x2C); 
	Lcd_WriteData(0x2D); 

	Lcd_WriteIndex(0xB3); 
	Lcd_WriteData(0x01); 
	Lcd_WriteData(0x2C); 
	Lcd_WriteData(0x2D); 
	Lcd_WriteData(0x01); 
	Lcd_WriteData(0x2C); 
	Lcd_WriteData(0x2D); 
	
	Lcd_WriteIndex(0xB4); //Column inversion 
	Lcd_WriteData(0x07); 
	
	//ST7735R Power Sequence
	Lcd_WriteIndex(0xC0); 
	Lcd_WriteData(0xA2); 
	Lcd_WriteData(0x02); 
	Lcd_WriteData(0x84); 
	Lcd_WriteIndex(0xC1); 
	Lcd_WriteData(0xC5); 

	Lcd_WriteIndex(0xC2); 
	Lcd_WriteData(0x0A); 
	Lcd_WriteData(0x00); 

	Lcd_WriteIndex(0xC3); 
	Lcd_WriteData(0x8A); 
	Lcd_WriteData(0x2A); 
	Lcd_WriteIndex(0xC4); 
	Lcd_WriteData(0x8A); 
	Lcd_WriteData(0xEE); 
	
	Lcd_WriteIndex(0xC5); //VCOM 
	Lcd_WriteData(0x0E); 
	
	Lcd_WriteIndex(0x36); //MX, MY, RGB mode 
	Lcd_WriteData(0xC0); 
	
	//ST7735R Gamma Sequence
	Lcd_WriteIndex(0xe0); 
	Lcd_WriteData(0x0f); 
	Lcd_WriteData(0x1a); 
	Lcd_WriteData(0x0f); 
	Lcd_WriteData(0x18); 
	Lcd_WriteData(0x2f); 
	Lcd_WriteData(0x28); 
	Lcd_WriteData(0x20); 
	Lcd_WriteData(0x22); 
	Lcd_WriteData(0x1f); 
	Lcd_WriteData(0x1b); 
	Lcd_WriteData(0x23); 
	Lcd_WriteData(0x37); 
	Lcd_WriteData(0x00); 	
	Lcd_WriteData(0x07); 
	Lcd_WriteData(0x02); 
	Lcd_WriteData(0x10); 

	Lcd_WriteIndex(0xe1); 
	Lcd_WriteData(0x0f); 
	Lcd_WriteData(0x1b); 
	Lcd_WriteData(0x0f); 
	Lcd_WriteData(0x17); 
	Lcd_WriteData(0x33); 
	Lcd_WriteData(0x2c); 
	Lcd_WriteData(0x29); 
	Lcd_WriteData(0x2e); 
	Lcd_WriteData(0x30); 
	Lcd_WriteData(0x30); 
	Lcd_WriteData(0x39); 
	Lcd_WriteData(0x3f); 
	Lcd_WriteData(0x00); 
	Lcd_WriteData(0x07); 
	Lcd_WriteData(0x03); 
	Lcd_WriteData(0x10);  
	
	Lcd_WriteIndex(0x2a);
	Lcd_WriteData(0x00);
	Lcd_WriteData(0x00);
	Lcd_WriteData(0x00);
	Lcd_WriteData(0x7f);

	Lcd_WriteIndex(0x2b);
	Lcd_WriteData(0x00);
	Lcd_WriteData(0x00);
	Lcd_WriteData(0x00);
	Lcd_WriteData(0x9f);
	
	Lcd_WriteIndex(0xF0); //Enable test command  
	Lcd_WriteData(0x01); 
	Lcd_WriteIndex(0xF6); //Disable ram power save mode 
	Lcd_WriteData(0x00); 
	
	Lcd_WriteIndex(0x3A); //65k mode 
	Lcd_WriteData(0x05); 
	
	
	Lcd_WriteIndex(0x29);//Display on	 
}

/*************************************************
函数名:LCD_Set_Region
功能:设置lcd显示区域,在此区域写点数据自动换行
入口参数:xy起点和终点
返回值:无
*************************************************/
void Lcd_SetRegion(unsigned short x_start,unsigned short y_start,unsigned short x_end,unsigned short y_end)
{
    
    		
	Lcd_WriteIndex(0x2a);
	Lcd_WriteData(0x00);
	Lcd_WriteData(x_start);//Lcd_WriteData(x_start+2);
	Lcd_WriteData(0x00);
	Lcd_WriteData(x_end+2);

	Lcd_WriteIndex(0x2b);
	Lcd_WriteData(0x00);
	Lcd_WriteData(y_start+0);
	Lcd_WriteData(0x00);
	Lcd_WriteData(y_end+1);
	
	Lcd_WriteIndex(0x2c);

}

/*************************************************
函数名:LCD_Set_XY
功能:设置lcd显示起始点
入口参数:xy坐标
返回值:无
*************************************************/
void Lcd_SetXY(unsigned short x,unsigned short y)
{
    
    
  	Lcd_SetRegion(x,y,x,y);
}

	
/*************************************************
函数名:LCD_DrawPoint
功能:画一个点
入口参数:无
返回值:无
*************************************************/
void Gui_DrawPoint(unsigned short x,unsigned short y,unsigned short Data)
{
    
    
	Lcd_SetRegion(x,y,x+1,y+1);
	LCD_WriteData_16Bit(Data);

}    

/*****************************************
 函数功能:读TFT某一点的颜色                          
 出口参数:color  点颜色值                                 
******************************************/
unsigned int Lcd_ReadPoint(unsigned short x,unsigned short y)
{
    
    
  unsigned int Data;
  Lcd_SetXY(x,y);
  Lcd_WriteData(Data);
  return Data;
}
/*************************************************
函数名:Lcd_Clear
功能:全屏清屏函数
入口参数:填充颜色COLOR
返回值:无
*************************************************/
void Lcd_Clear(unsigned short Color)               
{
    
    	
   unsigned int i,m;
   Lcd_SetRegion(0,0,X_MAX_PIXEL-1,Y_MAX_PIXEL-1);
   Lcd_WriteIndex(0x2C);
   for(i=0;i<X_MAX_PIXEL;i++)
    for(m=0;m<Y_MAX_PIXEL;m++)
    {
    
    	
	  	LCD_WriteData_16Bit(Color);
    }   
}

//==================================================================================================
//  实现功能: LCD_BGR2RGB
//  函数说明: 
  //读出的数据为GBR格式,而我们写入的时候为RGB格式。
  //通过该函数转换
  //c:GBR格式的颜色值
  //返回值:RGB格式的颜色值
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
unsigned short LCD_BGR2RGB(unsigned short c)
{
    
    
  unsigned short  r,g,b,rgb;   
  b=(c>>0)&0x1f;
  g=(c>>5)&0x3f;
  r=(c>>11)&0x1f;	 
  rgb=(b<<11)+(g<<5)+(r<<0);		 
  return(rgb);

}
//==================================================================================================
//  实现功能: Gui_Circle
//  函数说明: 画圆函数
//  函数备注: Bresenham算法 
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void Gui_Circle(unsigned short X,unsigned short Y,unsigned short R,unsigned short fc) 
{
    
    
    unsigned short  a,b; 
    int c; 
    a=0; 
    b=R; 
    c=3-2*R; 
    while (a<b) 
    {
    
     
        Gui_DrawPoint(X+a,Y+b,fc);     //        7 
        Gui_DrawPoint(X-a,Y+b,fc);     //        6 
        Gui_DrawPoint(X+a,Y-b,fc);     //        2 
        Gui_DrawPoint(X-a,Y-b,fc);     //        3 
        Gui_DrawPoint(X+b,Y+a,fc);     //        8 
        Gui_DrawPoint(X-b,Y+a,fc);     //        5 
        Gui_DrawPoint(X+b,Y-a,fc);     //        1 
        Gui_DrawPoint(X-b,Y-a,fc);     //        4 

        if(c<0) c=c+4*a+6; 
        else 
        {
    
     
            c=c+4*(a-b)+10; 
            b-=1; 
        } 
       a+=1; 
    } 
    if (a==b) 
    {
    
     
        Gui_DrawPoint(X+a,Y+b,fc); 
        Gui_DrawPoint(X+a,Y+b,fc); 
        Gui_DrawPoint(X+a,Y-b,fc); 
        Gui_DrawPoint(X-a,Y-b,fc); 
        Gui_DrawPoint(X+b,Y+a,fc); 
        Gui_DrawPoint(X-b,Y+a,fc); 
        Gui_DrawPoint(X+b,Y-a,fc); 
        Gui_DrawPoint(X-b,Y-a,fc); 
    } 
	
} 

//==================================================================================================
//  实现功能: Gui_DrawLine
//  函数说明: 画线函数
//  函数备注: 画线函数,使用Bresenham 画线算法
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void Gui_DrawLine(unsigned short x0, unsigned short y0,unsigned short x1, unsigned short y1,unsigned short Color)   
{
    
    
  int dx,             // difference in x's
      dy,             // difference in y's
      dx2,            // dx,dy * 2
      dy2, 
      x_inc,          // amount in pixel space to move during drawing
      y_inc,          // amount in pixel space to move during drawing
      error,          // the discriminant i.e. error i.e. decision variable
      index;          // used for looping	
	
      Lcd_SetXY(x0,y0);
      dx = x1-x0;//计算x距离
      dy = y1-y0;//计算y距离

      if (dx>=0)
      {
    
    
        x_inc = 1;
      }
      else
      {
    
    
        x_inc = -1;
        dx    = -dx;  
      } 
      
      if (dy>=0)
      {
    
    
        y_inc = 1;
      } 
      else
      {
    
    
        y_inc = -1;
        dy    = -dy; 
      } 

      dx2 = dx << 1;
      dy2 = dy << 1;

    if (dx > dy)//x距离大于y距离,那么每个x轴上只有一个点,每个y轴上有若干个点
    {
    
    //且线的点数等于x距离,以x轴递增画点
      // initialize error term
      error = dy2 - dx; 

      // draw the line
      for (index=0; index <= dx; index++)//要画的点数不会超过x距离
      {
    
    
        //画点
        Gui_DrawPoint(x0,y0,Color);
        
        // test if error has overflowed
        if (error >= 0) //是否需要增加y坐标值
        {
    
    
          error-=dx2;

          // move to next line
          y0+=y_inc;//增加y坐标值
        } // end if error overflowed

        // adjust the error term
        error+=dy2;

        // move to the next pixel
        x0+=x_inc;//x坐标值每次画点后都递增1
      } // end for
    } // end if |slope| <= 1
    else//y轴大于x轴,则每个y轴上只有一个点,x轴若干个点
    {
    
    //以y轴为递增画点
      // initialize error term
      error = dx2 - dy; 

      // draw the line
      for (index=0; index <= dy; index++)
      {
    
    
        // set the pixel
        Gui_DrawPoint(x0,y0,Color);

        // test if error overflowed
        if (error >= 0)
        {
    
    
          error-=dy2;

          // move to next line
          x0+=x_inc;
        } // end if error overflowed

        // adjust the error term
        error+=dx2;

        // move to the next pixel
        y0+=y_inc;
      } // end for
    } // end else |slope| > 1
  }

//==================================================================================================
//  实现功能: Gui_box
//  函数说明: 画矩形函数
//  函数备注: 
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================

void Gui_box(unsigned short x, unsigned short y, unsigned short w, unsigned short h,unsigned short bc)
{
    
    
	Gui_DrawLine(x,y,x+w,y,0xEF7D);
	Gui_DrawLine(x+w-1,y+1,x+w-1,y+1+h,0x2965);
	Gui_DrawLine(x,y+h,x+w,y+h,0x2965);
	Gui_DrawLine(x,y,x,y+h,0xEF7D);
  Gui_DrawLine(x+1,y+1,x+1+w-2,y+1+h-2,bc);
}

void Gui_box2(unsigned short x,unsigned short y,unsigned short w,unsigned short h, unsigned char mode)
{
    
    
	if (mode==0)	 
  {
    
    
		Gui_DrawLine(x,y,x+w,y,0xEF7D);
		Gui_DrawLine(x+w-1,y+1,x+w-1,y+1+h,0x2965);
		Gui_DrawLine(x,y+h,x+w,y+h,0x2965);
		Gui_DrawLine(x,y,x,y+h,0xEF7D);
	}
	if (mode==1)	
  {
    
    
		Gui_DrawLine(x,y,x+w,y,0x2965);
		Gui_DrawLine(x+w-1,y+1,x+w-1,y+1+h,0xEF7D);
		Gui_DrawLine(x,y+h,x+w,y+h,0xEF7D);
		Gui_DrawLine(x,y,x,y+h,0x2965);
	}
	if (mode==2)	
  {
    
    
		Gui_DrawLine(x,y,x+w,y,0xffff);
		Gui_DrawLine(x+w-1,y+1,x+w-1,y+1+h,0xffff);
		Gui_DrawLine(x,y+h,x+w,y+h,0xffff);
		Gui_DrawLine(x,y,x,y+h,0xffff);
	}
}


/**************************************************************************************
功能描述: 在屏幕显示一凸起的按钮框
输    入: unsigned short x1,y1,x2,y2 按钮框左上角和右下角坐标
输    出: 无
**************************************************************************************/
void DisplayButtonDown(unsigned short x1,unsigned short y1,unsigned short x2,unsigned short y2)
{
    
    
	Gui_DrawLine(x1,  y1,  x2,y1, GRAY2);  //H
	Gui_DrawLine(x1+1,y1+1,x2,y1+1, GRAY1);  //H
	Gui_DrawLine(x1,  y1,  x1,y2, GRAY2);  //V
	Gui_DrawLine(x1+1,y1+1,x1+1,y2, GRAY1);  //V
	Gui_DrawLine(x1,  y2,  x2,y2, WHITE);  //H
	Gui_DrawLine(x2,  y1,  x2,y2, WHITE);  //V
}

/**************************************************************************************
功能描述: 在屏幕显示一凹下的按钮框
输    入: unsigned short x1,y1,x2,y2 按钮框左上角和右下角坐标
输    出: 无
**************************************************************************************/
void DisplayButtonUp(unsigned short x1,unsigned short y1,unsigned short x2,unsigned short y2)
{
    
    
	Gui_DrawLine(x1,  y1,  x2,y1, WHITE); //H
	Gui_DrawLine(x1,  y1,  x1,y2, WHITE); //V
	
	Gui_DrawLine(x1+1,y2-1,x2,y2-1, GRAY1);  //H
	Gui_DrawLine(x1,  y2,  x2,y2, GRAY2);  //H
	Gui_DrawLine(x2-1,y1+1,x2-1,y2, GRAY1);  //V
  Gui_DrawLine(x2  ,y1  ,x2,y2, GRAY2); //V
}

//==================================================================================================
//  实现功能: Gui_DrawFont_GBK16
//  函数说明: 
//  函数备注: fc:font Color  bc :background Color
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void Gui_DrawFont_GBK16(unsigned short x, unsigned short y, unsigned short fc, unsigned short bc, unsigned char *s)
{
    
    
	unsigned char i,j;
	unsigned short k,x0;
	x0=x;

	while(*s) 
	{
    
    	
		if((*s) < 128) 
		{
    
    
			k=*s;
			if (k==13) 
			{
    
    
				x=x0;
				y+=16;
			}
			else 
			{
    
    
				if (k>32) k-=32; else k=0;
	
			    for(i=0;i<16;i++)
				for(j=0;j<8;j++) 
					{
    
    
				    	if(asc16[k*16+i]&(0x80>>j))	Gui_DrawPoint(x+j,y+i,fc);
						else 
						{
    
    
							if (fc!=bc) Gui_DrawPoint(x+j,y+i,bc);
						}
					}
				x+=8;
			}
			s++;
		}
			
		else 
		{
    
    
			for (k=0;k<hz16_num;k++) 
			{
    
    
			  if ((hz16[k].Index[0]==*(s))&&(hz16[k].Index[1]==*(s+1)))
			  {
    
     
				    for(i=0;i<16;i++)
				    {
    
    
						for(j=0;j<8;j++) 
							{
    
    
						    	if(hz16[k].Msk[i*2]&(0x80>>j))	Gui_DrawPoint(x+j,y+i,fc);
								else {
    
    
									if (fc!=bc) Gui_DrawPoint(x+j,y+i,bc);
								}
							}
						for(j=0;j<8;j++) 
							{
    
    
						    	if(hz16[k].Msk[i*2+1]&(0x80>>j))	Gui_DrawPoint(x+j+8,y+i,fc);
								else 
								{
    
    
									if (fc!=bc) Gui_DrawPoint(x+j+8,y+i,bc);
								}
							}
				    }
				}
			  }
			s+=2;x+=16;
		} 
		
	}
}
//==================================================================================================
//  实现功能: Gui_DrawFont_GBK24
//  函数说明: 
//  函数备注: fc:font Color  bc :background Color
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void Gui_DrawFont_GBK24(unsigned short x, unsigned short y, unsigned short fc, unsigned short bc, unsigned char *s)
{
    
    
	unsigned char i,j;
	unsigned short k;

	while(*s) 
	{
    
    
		if( *s < 0x80 ) 
		{
    
    
			k=*s;
			if (k>32) k-=32; else k=0;

		    for(i=0;i<16;i++)
			for(j=0;j<8;j++) 
				{
    
    
			    	if(asc16[k*16+i]&(0x80>>j))	
					Gui_DrawPoint(x+j,y+i,fc);
					else 
					{
    
    
						if (fc!=bc) Gui_DrawPoint(x+j,y+i,bc);
					}
				}
			s++;x+=8;
		}
		else 
		{
    
    

			for (k=0;k<hz24_num;k++) 
			{
    
    
			  if ((hz24[k].Index[0]==*(s))&&(hz24[k].Index[1]==*(s+1)))
			  {
    
     
				    for(i=0;i<24;i++)
				    {
    
    
						for(j=0;j<8;j++) 
							{
    
    
						    	if(hz24[k].Msk[i*3]&(0x80>>j))
								Gui_DrawPoint(x+j,y+i,fc);
								else 
								{
    
    
									if (fc!=bc) Gui_DrawPoint(x+j,y+i,bc);
								}
							}
						for(j=0;j<8;j++) 
							{
    
    
						    	if(hz24[k].Msk[i*3+1]&(0x80>>j))	Gui_DrawPoint(x+j+8,y+i,fc);
								else {
    
    
									if (fc!=bc) Gui_DrawPoint(x+j+8,y+i,bc);
								}
							}
						for(j=0;j<8;j++) 
							{
    
    
						    	if(hz24[k].Msk[i*3+2]&(0x80>>j))	
								Gui_DrawPoint(x+j+16,y+i,fc);
								else 
								{
    
    
									if (fc!=bc) Gui_DrawPoint(x+j+16,y+i,bc);
								}
							}
				    }
			  }
			}
			s+=2;x+=24;
		}
	}
}
//==================================================================================================
//  实现功能: Gui_DrawFont_Num32
//  函数说明: 
//  函数备注: fc:font Color  bc :background Color
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void Gui_DrawFont_Num32(unsigned short x, unsigned short y, unsigned short fc, unsigned short bc, unsigned short num)
{
    
    
	unsigned char i,j,k,c;
    for(i=0;i<32;i++)
	{
    
    
		for(j=0;j<4;j++) 
		{
    
    
			c=*(sz32+num*32*4+i*4+j);
			for (k=0;k<8;k++)	
			{
    
    
		    if(c&(0x80>>k))	
          Gui_DrawPoint(x+j*8+k,y+i,fc);
				else
        {
    
    
					if (fc!=bc) 
            Gui_DrawPoint(x+j*8+k,y+i,bc);
				}
			}
		}
	}
}

//==================================================================================================
//  实现功能: TFT 定位光标
//  函数标记: 外设驱动函数
//  函数说明: 无
//--------------------------------------------------------------------------------------------------
//  输入参量: X_Start - X起始坐标  取值范围 - 0~239
//            Y_Start - Y起始坐标  取值范围 - 0~239
//            X_End - X终止坐标  取值范围 - 0~239
//            Y_End - Y终止坐标  取值范围 - 0~239
//  输出参量: 无
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void TFT_SetArea(unsigned short X_Start,unsigned short Y_Start,unsigned short X_End,unsigned short Y_End)
{
    
    


    // 执行相应操作
    #if (TFT_FUNCTION_SCREEEN_VH == 0)      // 竖屏
    {
    
    
        Lcd_WriteIndex(0x2A);
        Lcd_WriteData(0x02);
        Lcd_WriteData(X_Start+2);
        Lcd_WriteData(0x02);
        Lcd_WriteData(X_End+2);
        
        Lcd_WriteIndex(0x2B);
        Lcd_WriteData(0x01);
        Lcd_WriteData(Y_Start+1);
        Lcd_WriteData(0x01);
        Lcd_WriteData(Y_End+1);
    }
    #endif  // #if (TFT_FUNCTION_SCREEEN_VH == 0)

    #if (TFT_FUNCTION_SCREEEN_VH == 1)      // 横屏 待调整
    {
    
    
        Lcd_WriteIndex(0x2A);
        Lcd_WriteData(0x02);
        Lcd_WriteData(X_Start+1);
        Lcd_WriteData(0x02);
        Lcd_WriteData(X_End+1);
        
        Lcd_WriteIndex(0x2B);
        Lcd_WriteData(0x01);
        Lcd_WriteData(Y_Start+2);
        Lcd_WriteData(0x01);
        Lcd_WriteData(Y_End+2);
    }
    #endif  // #if (TFT_FUNCTION_SCREEEN_VH == 1)
        
    Lcd_WriteIndex(0x2C);
}


//==================================================================================================
//  实现功能: TFT 指定位置 显示ASCII字符 08x16像素
//  函数标记: 外设驱动函数
//  函数说明: 1. 位置选取不恰当 可能造成字符串显示不完全
//            2. 如果字库不存在该文字则不显示
//--------------------------------------------------------------------------------------------------
//  输入参量: X - X方向坐标  取值范围 - 详情见宏定义TFT_SHOWSIZE_X
//            Y - Y方向坐标  取值范围 - 详情见宏定义TFT_SHOWSIZE_Y
//            ASCII - 待显示ASCII字符  取值范围 - ASCII字符
//            FontColor - 字体颜色  取值范围 - 详情见枚举类型enumTFT_Color
//            BackgroundColor - 背景颜色 取值范围 - 详情见枚举类型enumTFT_Color
//  输出参量: 无
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void TFT_ShowASCII_08x16(unsigned short X, unsigned short Y,unsigned char ASCII, enumTFT_Color FontColor, enumTFT_Color BackgroundColor)
{
    
    
    unsigned char i,j,k;                            // 定义局部变量 用于循环计数
    unsigned char Data;                             // 定义局部变量 用于临时存储
    
    unsigned char FontCount;                        // 定义局部变量 用于记录字符字库个数

    
    FontCount = sizeof(TFT_ASCII_08x16_FontCode)/sizeof(TFT_ASCII_08x16_FontCode[0]);

    for(i=0; i<FontCount; i++)                      // 开始字库内容匹配                             
    {
    
    
        if(ASCII == TFT_ASCII_08x16_FontCode[i].Char)
        {
    
    
            TFT_SetArea(X, Y, X+8-1, Y+16-1);       // 设置显示位置
            for(j=0; j<16; j++)                     // 循环写入16字节 一个字符信息包含16字节
            {
    
    
                Data = TFT_ASCII_08x16_FontCode[i].Code[j];
                for(k=0; k<8; k++)
                {
    
    
                    if((Data&0x80) == 0x80)         // 判断最高位是否为1
                    {
    
    
                        LCD_WriteData_16Bit(FontColor);             // 最高位为1 写入字符颜色
                    }
                    else
                    {
    
    
                        LCD_WriteData_16Bit(BackgroundColor);       // 最高位为0 写入背景颜色
                    }
                    Data <<= 1;
                }
            }
            break;                                  // 结束字库内容匹配                              
        }
    }
}
//==================================================================================================
//  实现功能: TFT 指定位置 显示中文 16x16像素
//  函数标记: 外设驱动函数
//  函数说明: 1. 位置选取不恰当 可能造成字符串显示不完全
//            2. 如果字库不存在该文字则不显示
//            3. 1个汉字等同2个字节组成
//--------------------------------------------------------------------------------------------------
//  输入参量: X - X方向坐标  取值范围 - 详情见宏定义TFT_SHOWSIZE_X
//            Y - Y方向坐标  取值范围 - 详情见宏定义TFT_SHOWSIZE_Y
//            Chinese - 待显示汉字  取值范围 - 单个汉字组成的字符串
//            FontColor - 字体颜色  取值范围 - 详情见枚举类型enumTFT_Color
//            BackgroundColor - 背景颜色 取值范围 - 详情见枚举类型enumTFT_Color
//  输出参量: 无
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void TFT_ShowChinese_16x16(unsigned short X, unsigned short Y,unsigned char *Chinese, enumTFT_Color FontColor, enumTFT_Color BackgroundColor)
{
    
    
    unsigned char i,j,k;                            // 定义局部变量 用于循环计数
    unsigned char Data;                             // 定义局部变量 用于临时存储

    unsigned char FontCount;                        // 定义局部变量 用于记录字符字库个数    
  

    FontCount = sizeof(TFT_CHINESE_16x16_FontCode)/sizeof(TFT_CHINESE_16x16_FontCode[0]);

    for(i=0; i<FontCount; i++)                      // 开始字库内容匹配                             
    {
    
    
        if((*Chinese     == TFT_CHINESE_16x16_FontCode[i].Char[0])
        && (*(Chinese+1) == TFT_CHINESE_16x16_FontCode[i].Char[1]))
        {
    
    
            TFT_SetArea(X, Y, X+16-1, Y+16-1);      // 设置显示位置
            for(j=0; j<32; j++)                     // 循环写入32字节 一个汉字信息包含32字节
            {
    
    
                Data = TFT_CHINESE_16x16_FontCode[i].Code[j];
                for(k=0; k<8; k++)
                {
    
    
                    if((Data&0x80) == 0x80)         // 判断最高位是否为1
                    {
    
    
                        LCD_WriteData_16Bit(FontColor);             // 最高位为1 写入字符颜色
                    }
                    else
                    {
    
    
                        LCD_WriteData_16Bit(BackgroundColor);       // 最高位为0 写入背景颜色
                    }
                    Data <<= 1;
                }
            }
            break;                                  // 结束字库内容匹配                              
        }
    }
}

//==================================================================================================
//  实现功能: TFT 指定位置 显示字符串 16x16像素
//  函数标记: 外设驱动函数
//  函数说明: 1. 位置选取不恰当 可能造成字符串显示不完全
//            2. 如果字库不存在该文字则不显示
//--------------------------------------------------------------------------------------------------
//  输入参量: X - X方向坐标  取值范围 - 详情见宏定义TFT_SHOWSIZE_X
//            Y - Y方向坐标  取值范围 - 详情见宏定义TFT_SHOWSIZE_Y
//            String - 待显示字符串  取值范围 - 字母/数字/符号/汉字混合组成的字符串
//            FontColor - 字体颜色  取值范围 - 详情见枚举类型enumTFT_Color
//            BackgroundColor - 背景颜色 取值范围 - 详情见枚举类型enumTFT_Color
//  输出参量: 无
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void TFT_ShowString_16x16(unsigned short X, unsigned short Y,unsigned char *String, enumTFT_Color FontColor, enumTFT_Color BackgroundColor)
{
    
    
    unsigned char Position = 0;                     // 定义局部变量 用于标记字符串位置


    
    while(*String)
    {
    
    
        // 判断字符串中的某字符的编码值是否小于0x80
        // 如果小于0x80 即为ASCII字符
        // 如果大于0x80 即为汉字字符串
        if(*String < 0x80)
        {
    
    
            // 显示ASCII字符
            TFT_ShowASCII_08x16(X+Position*8, Y, *String, FontColor, BackgroundColor);
            String++;                               // 字符串指针移动下一个字节
            Position++;                             // 字符串位置下一个位置
        }
        else
        {
    
    
            // 显示汉字
            TFT_ShowChinese_16x16(X+Position*8, Y, (unsigned char*)String, FontColor, BackgroundColor);
            String+=2;                              // 字符串指针移动下一个字节
            Position+=2;                            // 字符串位置下一个位置
        }
    }
}

//==================================================================================================
//  实现功能: TFT 指定位置 显示中文 24x24像素
//  函数标记: 外设驱动函数
//  函数说明: 1. 位置选取不恰当 可能造成字符串显示不完全
//            2. 如果字库不存在该文字则不显示
//            3. 1个汉字等同2个字节组成
//--------------------------------------------------------------------------------------------------
//  输入参量: X - X方向坐标  取值范围 - 详情见宏定义TFT_SHOWSIZE_X
//            Y - Y方向坐标  取值范围 - 详情见宏定义TFT_SHOWSIZE_Y
//            Chinese - 待显示汉字  取值范围 - 单个汉字组成的字符串
//            FontColor - 字体颜色  取值范围 - 详情见枚举类型enumTFT_Color
//            BackgroundColor - 背景颜色 取值范围 - 详情见枚举类型enumTFT_Color
//  输出参量: 无
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void TFT_ShowChinese_24x24(unsigned short X, unsigned short Y,unsigned char *Chinese, enumTFT_Color FontColor, enumTFT_Color BackgroundColor)
{
    
    
    unsigned char i,j,k;                            // 定义局部变量 用于循环计数
    unsigned char Data;                             // 定义局部变量 用于临时存储

    unsigned char FontCount;                        // 定义局部变量 用于记录字符字库个数    
    


    FontCount = sizeof(TFT_CHINESE_24x24_FontCode)/sizeof(TFT_CHINESE_24x24_FontCode[0]);

    for(i=0; i<FontCount; i++)                      // 开始字库内容匹配                             
    {
    
    
        if((*Chinese     == TFT_CHINESE_24x24_FontCode[i].Char[0])
        && (*(Chinese+1) == TFT_CHINESE_24x24_FontCode[i].Char[1]))
        {
    
    
            TFT_SetArea(X, Y, X+24-1, Y+24-1);      // 设置显示位置
            for(j=0; j<72; j++)                     // 循环写入32字节 一个汉字信息包含32字节
            {
    
    
                Data = TFT_CHINESE_24x24_FontCode[i].Code[j];
                for(k=0; k<8; k++)
                {
    
    
                    if((Data&0x80) == 0x80)         // 判断最高位是否为1
                    {
    
    
                        LCD_WriteData_16Bit(FontColor);             // 最高位为1 写入字符颜色
                    }
                    else
                    {
    
    
                        LCD_WriteData_16Bit(BackgroundColor);       // 最高位为0 写入背景颜色
                    }
                    Data <<= 1;
                }
            }
            break;                                  // 结束字库内容匹配                              
        }
    }
}

//==================================================================================================
//  实现功能: TFT 指定位置 显示字符串 24x24像素
//  函数标记: 外设驱动函数
//  函数说明: 1. 位置选取不恰当 可能造成字符串显示不完全
//            2. 如果字库不存在该文字则不显示
//--------------------------------------------------------------------------------------------------
//  输入参量: X - X方向坐标  取值范围 - 详情见宏定义TFT_SHOWSIZE_X
//            Y - Y方向坐标  取值范围 - 详情见宏定义TFT_SHOWSIZE_Y
//            String - 待显示字符串  取值范围 - 字母/数字/符号/汉字混合组成的字符串
//            FontColor - 字体颜色  取值范围 - 详情见枚举类型enumTFT_Color
//            BackgroundColor - 背景颜色 取值范围 - 详情见枚举类型enumTFT_Color
//  输出参量: 无
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void TFT_ShowString_24x24(unsigned short X, unsigned short Y,unsigned char *String, enumTFT_Color FontColor, enumTFT_Color BackgroundColor)
{
    
    
    unsigned char Position = 0;                     // 定义局部变量 用于标记字符串位置


    
    while(*String)
    {
    
    
        // 判断字符串中的某字符的编码值是否小于0x80
        // 如果小于0x80 即为ASCII字符
        // 如果大于0x80 即为汉字字符串
        if(*String < 0x80)
        {
    
    
            // 显示ASCII字符
            TFT_ShowASCII_08x16(X+Position*8, Y, *String, FontColor, BackgroundColor);
            String++;                               // 字符串指针移动下一个字节
            Position++;                             // 字符串位置下一个位置
        }
        else
        {
    
    
            // 显示汉字
            TFT_ShowChinese_24x24(X+Position*8, Y, (unsigned char*)String, FontColor, BackgroundColor);
            String+=2;                              // 字符串指针移动下一个字节
            Position+=3;                            // 字符串位置下一个位置
        }
    }
}

//==================================================================================================
//  实现功能: TFT 指定位置 显示有符号整形数字 16x16像素
//  函数标记: 外设驱动函数
//  函数说明: 1. 位置选取不恰当 可能造成数字显示不完全
//            2. 注意输入数字的取值范围
//--------------------------------------------------------------------------------------------------
//  输入参量: X - X方向坐标  取值范围 - 详情见宏定义TFT_SHOWSIZE_X
//            Y - Y方向坐标  取值范围 - 详情见宏定义TFT_SHOWSIZE_Y
//            IntegerNumber - 待显示整型数字  取值范围 - -32767~+32768
//            Count - 待显示整型数字长度      取值范围 - 1~5
//            FontColor - 字体颜色  取值范围 - 详情见枚举类型enumTFT_Color
//            BackgroundColor - 背景颜色 取值范围 - 详情见枚举类型enumTFT_Color
//  输出参量: 无
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void TFT_ShowNumber_SignedInteger_16x16(unsigned short X, unsigned short Y, signed short IntegerNumber, unsigned char Count, enumTFT_Color FontColor, enumTFT_Color BackgroundColor)
{
    
    
    unsigned char Number_Integer_Array[6] = {
    
    0};    // 定义局部数据 用于装载显示数据


    
    // 判断数字正负型
    if(IntegerNumber < 0)
    {
    
    
        IntegerNumber = 0-IntegerNumber;
        TFT_ShowASCII_08x16(X, Y, '-', FontColor, BackgroundColor);
    }
    else
    {
    
    
        TFT_ShowASCII_08x16(X, Y, '+', FontColor, BackgroundColor);
    }

    // 限制显示字符数
    if(Count > 5)
    {
    
    
        Count = 5;
    }
    
    // 装载显示字符
    Number_Integer_Array[0] = (IntegerNumber / 10000) % 10 + 0x30;
    Number_Integer_Array[1] = (IntegerNumber / 1000 ) % 10 + 0x30;
    Number_Integer_Array[2] = (IntegerNumber / 100  ) % 10 + 0x30;
    Number_Integer_Array[3] = (IntegerNumber / 10   ) % 10 + 0x30;
    Number_Integer_Array[4] = (IntegerNumber / 1    ) % 10 + 0x30;
    Number_Integer_Array[5] = '\0';
    
    // 执行显示操作
    TFT_ShowString_16x16(X+8, Y, &Number_Integer_Array[5-Count], FontColor, BackgroundColor);
}

//==================================================================================================
//  实现功能: TFT 指定位置 显示无符号整形数字 16x16像素
//  函数标记: 外设驱动函数
//  函数说明: 1. 位置选取不恰当 可能造成数字显示不完全
//            2. 注意输入数字的取值范围
//--------------------------------------------------------------------------------------------------
//  输入参量: X - X方向坐标  取值范围 - 详情见宏定义TFT_SHOWSIZE_X
//            Y - Y方向坐标  取值范围 - 详情见宏定义TFT_SHOWSIZE_Y
//            IntegerNumber - 待显示整型数字  取值范围 - -32767~+32768
//            Count - 待显示整型数字长度      取值范围 - 0~5
//            FontColor - 字体颜色  取值范围 - 详情见枚举类型enumTFT_Color
//            BackgroundColor - 背景颜色 取值范围 - 详情见枚举类型enumTFT_Color
//  输出参量: 无
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void TFT_ShowNumber_UnsignedInteger_16x16(unsigned short X, unsigned short Y, unsigned short IntegerNumber, unsigned char Count, enumTFT_Color FontColor, enumTFT_Color BackgroundColor)
{
    
    
    unsigned char Number_Integer_Array[6] = {
    
    0};    // 定义局部数据 用于装载显示数据


    
    // 限制 显示字符数
    if(Count > 5)
    {
    
    
        Count = 5;
    }

    // 装载显示字符
    Number_Integer_Array[0] = (IntegerNumber / 10000) % 10 + 0x30;
    Number_Integer_Array[1] = (IntegerNumber / 1000 ) % 10 + 0x30;
    Number_Integer_Array[2] = (IntegerNumber / 100  ) % 10 + 0x30;
    Number_Integer_Array[3] = (IntegerNumber / 10   ) % 10 + 0x30;
    Number_Integer_Array[4] = (IntegerNumber / 1    ) % 10 + 0x30;
    Number_Integer_Array[5] = '\0';

    // 执行显示操作
    TFT_ShowString_16x16(X, Y, &Number_Integer_Array[5-Count], FontColor, BackgroundColor);
}

//==================================================================================================
//  实现功能: TFT 指定位置 显示浮点数字 16x16像素
//  函数标记: 外设驱动函数
//  函数说明: 1. 位置选取不恰当 可能造成数字显示不完全
//            2. float型数据的有效数字7位 double型数据的有效数字16位
//--------------------------------------------------------------------------------------------------
//  输入参量: X - X方向坐标  取值范围 - 详情见宏定义TFT_SHOWSIZE_X
//            Y - Y方向坐标  取值范围 - 详情见宏定义TFT_SHOWSIZE_Y
//            FloatNumber - 待显示浮点型数字  取值范围 - -99999.99999~99999.99999
//            Count1 - 整数显示位数  取值范围 - 0~5
//            Count2 - 小数显示位数  取值范围 - 0~5
//            FontColor - 字体颜色  取值范围 - 详情见枚举类型enumTFT_Color
//            BackgroundColor - 背景颜色 取值范围 - 详情见枚举类型enumTFT_Color
//  输出参量: 无
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void TFT_ShowNumber_Float_16x16(unsigned short X, unsigned short Y, float FloatNumber, unsigned char Count1, unsigned char Count2, enumTFT_Color FontColor, enumTFT_Color BackgroundColor)
{
    
    
    unsigned char Number_Integer_Array[6];          // 定义局部数组 用于存储整数位各位数据
    unsigned char Number_Decimal_Array[6];          // 定义局部数组 用于存储小数位各位数据

    unsigned long int Number_Integer = 0;           // 定义局部变量 表示浮点数的 整数部分
    unsigned long int Number_Decimal = 0;           // 定义局部变量 表示浮点数的 小数部分


    
    // 判断数字正负型
    if(FloatNumber < 0)
    {
    
    
        FloatNumber = 0-FloatNumber;
        TFT_ShowASCII_08x16(X, Y, '-', FontColor, BackgroundColor);
    }
    else
    {
    
    
        TFT_ShowASCII_08x16(X, Y, '+', FontColor, BackgroundColor);
    }

    // 限制 显示字符数
    // 由于由于float型的有效十进制数值最多为7位,即整数位 + 小数位 数量一定小于等于7
    while((Count1 + Count2 > 7 ))
    {
    
    
        if((Count1 > 5) && (Count1 != 0))
        {
    
    
            --Count1;
        }
        else
        {
    
    
            --Count2;
        }
    }

    // 计算浮点数字的整数部分与小数部分
    Number_Integer = (unsigned long int)(FloatNumber);                                          // 取整数部分
    Number_Decimal = (unsigned long int)((FloatNumber - Number_Integer + 0.000005) * 1e5);      // 取小数部分,1e5科学计数法

    // 装载显示字符
    Number_Integer_Array[0] = Number_Integer/10000 % 10 + 0x30;     // 计算整数部分
    Number_Integer_Array[1] = Number_Integer/ 1000 % 10 + 0x30;
    Number_Integer_Array[2] = Number_Integer/  100 % 10 + 0x30;
    Number_Integer_Array[3] = Number_Integer/   10 % 10 + 0x30;
    Number_Integer_Array[4] = Number_Integer/    1 % 10 + 0x30;
    Number_Integer_Array[5] = '\0';

    Number_Decimal_Array[0] = Number_Decimal/10000 % 10 + 0x30;     // 计算小数部分
    Number_Decimal_Array[1] = Number_Decimal/ 1000 % 10 + 0x30;
    Number_Decimal_Array[2] = Number_Decimal/  100 % 10 + 0x30;
    Number_Decimal_Array[3] = Number_Decimal/   10 % 10 + 0x30;
    Number_Decimal_Array[4] = Number_Decimal/    1 % 10 + 0x30;
    Number_Decimal_Array[Count2] = '\0';
    
    // 执行显示操作
    TFT_ShowString_16x16(X+8,            Y, &Number_Integer_Array[5-Count1], FontColor, BackgroundColor);  
    TFT_ShowASCII_08x16( X+(1+Count1)*8, Y, '.',                             FontColor, BackgroundColor);                                           
    TFT_ShowString_16x16(X+(2+Count1)*8, Y, &Number_Decimal_Array[0],        FontColor, BackgroundColor);
}

//==================================================================================================
//  实现功能: TFT 指定位置 显示二进制数字 16x16像素
//  函数标记: 外设驱动函数
//  函数说明: 1. 位置选取不恰当 可能造成字符串显示不完全
//            2. 注意输入数字的取值范围
//--------------------------------------------------------------------------------------------------
//  输入参量: X - X方向坐标  取值范围 - 详情见宏定义TFT_SHOWSIZE_X
//            Y - Y方向坐标  取值范围 - 详情见宏定义TFT_SHOWSIZE_Y
//            BinaryNumber - 待显示二进制数字  取值范围 - 0~65535
//            Count - 二进制显示位数  取值范围 - 1~16
//            FontColor - 字体颜色  取值范围 - 详情见枚举类型enumTFT_Color
//            BackgroundColor - 背景颜色 取值范围 - 详情见枚举类型enumTFT_Color
//  输出参量: 无
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void TFT_ShowNumber_Binary_16x16(unsigned short X, unsigned short Y, unsigned short BinaryNumber, unsigned char Count, enumTFT_Color FontColor, enumTFT_Color BackgroundColor)
{
    
    
    unsigned char i;                                // 定义局部变量,用于函数循环计数

    
    for(i=Count; i>0; i--)
    {
    
    
        if(BinaryNumber & ( 1 << (Count-1) ))
        {
    
    
            TFT_ShowASCII_08x16(X, Y, '1', FontColor, BackgroundColor);     // 显示二进制字符'1'
        }
        else
        {
    
    
            TFT_ShowASCII_08x16(X, Y, '0', FontColor, BackgroundColor);     // 显示二进制字符'1'
        }
        BinaryNumber <<= 1;                         // 移位运算
        X += 6;                                     // 数组位置下一个位置
    }
}


取模方式 水平扫描 从左到右 低位在前
//void TFT_ShowImage(const unsigned char *p) 
//{
    
    
//  	int i,j,k; 
//	unsigned char picH,picL;
//	Lcd_Clear(WHITE); //清屏  
//	
//	for(k=0;k<4;k++)
//	{
    
    
//	   	for(j=0;j<3;j++)
//		{	
//			Lcd_SetRegion(40*j+2,40*k,40*j+39,40*k+39);		//坐标设置
//		    for(i=0;i<40*40;i++)
//			 {	
//			 	picL=*(p+i*2);	//数据低位在前
//				picH=*(p+i*2+1);				
//				LCD_WriteData_16Bit(picH<<8|picL);  						
//			 }	
//		 }
//	}		
//}
//==================================================================================================
//  实现功能: TFT 指定位置 显示图像 
//  函数标记: 外设驱动函数
//  函数说明: 1. 位置选取不恰当 可能造成显示不完全
//            2. 注意输入数字的取值范围
//--------------------------------------------------------------------------------------------------
//  输入参量: X - X方向坐标  
//            Y - Y方向坐标
//            Length 图片长度
//            Width  图片宽度
//            Pic[]  图片数组         
//  输出参量: 无
//--------------------------------------------------------------------------------------------------
//  |   -   |   -   |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//==================================================================================================
void TFT_ShowImage(unsigned short X,unsigned short Y,unsigned short Length,unsigned short Width,const unsigned char Pic[])
{
    
    
	unsigned short i,j;
	unsigned int k=0;
	TFT_SetArea(X,Y,X+Length-1,Y+Width-1);
	for(i=0;i<Length;i++)
	{
    
    
		for(j=0;j<Width;j++)
		{
    
    
			Lcd_WriteData(Pic[k*2]);
			Lcd_WriteData(Pic[k*2+1]);
			k++;
		}
	}			
}

bsp_lcd.h

#ifndef __BSP_LCD_H
#define __BSP_LCD_H	 
//--------------------------------------------------------------------------------------------------
//  宏自定义声明    |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//--------------------------------------------------------------------------------------------------
#define X_MAX_PIXEL	        140
#define Y_MAX_PIXEL	        170

//  TFT 功能选项
#define TFT_FUNCTION_SCREEEN_VH     0            // TFT功能选项 屏幕横竖 取值范围 - 0为默认竖屏 1为横屏

#define RED  	0xf800
#define GREEN	0x07e0
#define BLUE 	0x001f
#define WHITE	0xffff
#define BLACK	0x0000
#define YELLOW  0xFFE0
#define GRAY0   0xEF7D   		//灰色0 3165 00110 001011 00101
#define GRAY1   0x8410      	//灰色1  00000 000000 00000
#define GRAY2   0x4208      	//灰色2  1111111111011111


//--------------------------------------------------------------------------------------------------
//  硬件端口定义    |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//--------------------------------------------------------------------------------------------------
#define LCD_CTRLA   	  	CW_GPIOA		//定义TFT数据端口
#define LCD_CTRLB   	  	CW_GPIOB		//定义TFT数据端口

#define LCD_SCL        		GPIO_PIN_6	//PB6--->>TFT --SCL/SCK
#define LCD_SDA        		GPIO_PIN_7	//PB7 MOSI--->>TFT --SDA/DIN
#define LCD_CS        		GPIO_PIN_5  //MCU_PB5--->>TFT --CS/CE

#define LCD_RS         		GPIO_PIN_4	//PB11--->>TFT --RS/DC
#define LCD_RST     	  	GPIO_PIN_15	//PB10--->>TFT --RST


//液晶控制口置1操作语句宏定义
#define	LCD_SCL_SET  	LCD_CTRLB->BSRR=LCD_SCL    
#define	LCD_SDA_SET  	LCD_CTRLB->BSRR=LCD_SDA   
#define	LCD_CS_SET  	LCD_CTRLB->BSRR=LCD_CS  

    
#define	LCD_LED_SET  	LCD_CTRLA->BSRR=LCD_LED   
#define	LCD_RS_SET  	LCD_CTRLB->BSRR=LCD_RS 
#define	LCD_RST_SET  	LCD_CTRLA->BSRR=LCD_RST 
//液晶控制口置0操作语句宏定义
#define	LCD_SCL_CLR  	LCD_CTRLB->BRR=LCD_SCL  
#define	LCD_SDA_CLR  	LCD_CTRLB->BRR=LCD_SDA 
#define	LCD_CS_CLR  	LCD_CTRLB->BRR=LCD_CS 
    
#define	LCD_LED_CLR  	LCD_CTRLA->BRR=LCD_LED 
#define	LCD_RST_CLR  	LCD_CTRLA->BRR=LCD_RST
#define	LCD_RS_CLR  	LCD_CTRLB->BRR=LCD_RS 

#define LCD_DATAOUT(x) LCD_DATA->ODR=x; //数据输出
#define LCD_DATAIN     LCD_DATA->IDR;   //数据输入

#define LCD_WR_DATA(data){
      
      \
                            LCD_RS_SET;\
                            LCD_CS_CLR;\
                            LCD_DATAOUT(data);\
                            LCD_WR_CLR;\
                            LCD_WR_SET;\
                            LCD_CS_SET;\
} 
//--------------------------------------------------------------------------------------------------
//  定义引用变量    |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//--------------------------------------------------------------------------------------------------
//  TFT 显示颜色 枚举
typedef enum enumTFT_Color
{
    
    
    White   = 0xFFFF,                               // 白色
    Black   = 0x0000,                               // 黑色
    Blue1   = 0x001F,                               // 浅蓝色
    Blue2   = 0x051F,                               // 深蓝色
    Red     = 0xF800,                               // 红色
    Magenta = 0xF81F,                               // 品红色
    Green   = 0x07E0,                               // 绿色
    Cyan    = 0x7FFF,                               // 青色
    Yellow  = 0xFFE0,                               // 黄色
}enumTFT_Color;
//--------------------------------------------------------------------------------------------------
//  引用函数声明    |   0   |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   
//--------------------------------------------------------------------------------------------------
		 				    
void LCD_GPIO_Init(void);
void Lcd_WriteIndex(unsigned char Index);
void Lcd_WriteData(unsigned char Data);
void Lcd_WriteReg(unsigned char Index,unsigned char Data);
unsigned short Lcd_ReadReg(unsigned char LCD_Reg);
void Lcd_Reset(void);
void Lcd_Init(void);
void Lcd_Clear(unsigned short Color);
void Lcd_SetXY(unsigned short x,unsigned short y);
void Gui_DrawPoint(unsigned short x,unsigned short y,unsigned short Data);
unsigned int Lcd_ReadPoint(unsigned short x,unsigned short y);
void Lcd_SetRegion(unsigned short x_start,unsigned short y_start,unsigned short x_end,unsigned short y_end);
void LCD_WriteData_16Bit(unsigned short Data);

unsigned short LCD_BGR2RGB(unsigned short c);
void Gui_Circle(unsigned short X,unsigned short Y,unsigned short R,unsigned short fc); 
void Gui_DrawLine(unsigned short x0, unsigned short y0,unsigned short x1, unsigned short y1,unsigned short Color);  
void Gui_box(unsigned short x, unsigned short y, unsigned short w, unsigned short h,unsigned short bc);
void Gui_box2(unsigned short x,unsigned short y,unsigned short w,unsigned short h, unsigned char mode);
void DisplayButtonDown(unsigned short x1,unsigned short y1,unsigned short x2,unsigned short y2);
void DisplayButtonUp(unsigned short x1,unsigned short y1,unsigned short x2,unsigned short y2);
void Gui_DrawFont_GBK16(unsigned short x, unsigned short y, unsigned short fc, unsigned short bc, unsigned char *s);
void Gui_DrawFont_GBK24(unsigned short x, unsigned short y, unsigned short fc, unsigned short bc, unsigned char *s);
void Gui_DrawFont_Num32(unsigned short x, unsigned short y, unsigned short fc, unsigned short bc, unsigned short num) ;



void TFT_SetArea(unsigned short X_Start,unsigned short Y_Start,unsigned short X_End,unsigned short Y_End);
void TFT_ShowImage(unsigned short X,unsigned short Y,unsigned short Length,unsigned short Width,const unsigned char Pic[]);
//  TFT 显示字符/汉字/字符串
void TFT_ShowASCII_08x16(unsigned short int X, unsigned short int Y,unsigned char ASCII, enumTFT_Color FontColor, enumTFT_Color BackgroundColor);
void TFT_ShowChinese_16x16(unsigned short int X, unsigned short int Y,unsigned char *Chinese, enumTFT_Color FontColor, enumTFT_Color BackgroundColor);
void TFT_ShowString_16x16(unsigned short int X, unsigned short int Y,unsigned char *String, enumTFT_Color FontColor, enumTFT_Color BackgroundColor);
void TFT_ShowChinese_24x24(unsigned short X, unsigned short Y,unsigned char *Chinese, enumTFT_Color FontColor, enumTFT_Color BackgroundColor);
//  TFT 显示有符号整型/无符号整型/浮点型数字
void TFT_ShowNumber_SignedInteger_16x16(unsigned short int X, unsigned short int Y, signed short int IntegerNumber, unsigned char Count, enumTFT_Color FontColor, enumTFT_Color BackgroundColor);
void TFT_ShowNumber_UnsignedInteger_16x16(unsigned short int X, unsigned short int Y, unsigned short int IntegerNumber, unsigned char Count, enumTFT_Color FontColor, enumTFT_Color BackgroundColor);
void TFT_ShowNumber_Float_16x16(unsigned short int X, unsigned short int Y, float FloatNumber, unsigned char Count1, unsigned char Count2, enumTFT_Color FontColor, enumTFT_Color BackgroundColor);
void TFT_ShowNumber_Binary_16x16(unsigned short int X, unsigned short int Y, unsigned short int BinaryNumber, unsigned char Count, enumTFT_Color FontColor, enumTFT_Color BackgroundColor);
#endif

font.h 参考仓库文件

bsp_led.c

#include "main.h"

void LED_init()
{
    
    
    GPIO_InitTypeDef GPIO_InitStruct;
    __RCC_GPIOC_CLK_ENABLE();

    GPIO_InitStruct.IT      = GPIO_IT_NONE;      //控制脚初始化
    GPIO_InitStruct.Mode    = GPIO_MODE_OUTPUT_PP;
    GPIO_InitStruct.Pins    = LED1_GPIO_PIN;
    GPIO_InitStruct.Speed   = GPIO_SPEED_HIGH;
    GPIO_Init(LED1_GPIO_PORT, &GPIO_InitStruct);

}

bsp_led.h

#ifndef __BSP_LED_H
#define __BSP_LED_H	 
#define LED1_GPIO_PORT      CW_GPIOC
#define LED1_GPIO_PIN       GPIO_PIN_13
void LED_init(void);//初始化	    
#endif

测试效果

p9xIskd.md.png

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转载自blog.csdn.net/weixin_43599390/article/details/131461194
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