一、准备工作
1、安装keil
(1)下载安装包:
压缩包网址:https://pan.baidu.com/s/1f0nHjn7sSG8SK3waV_G1Pg
提取码:94xf
参考博客:https://blog.csdn.net/ssj925319/article/details/108919862
(2)打开文件准备下载,点击Next>>
(3)勾选I agree to …后,点击Next>>
(4)点击Browse…选择安装路径后,点击Next>>继续
( 注:安装路径不能有中文,这里我有中文导致后面安装出错)
(5)随便输入Name和E-mail后,点击Next>>
(6)等待安装完成后
(7)点击finish即可
2、安装stm 32 pack
(1)在解压压缩包中找到ARM.CMSIS.3.20.4包,点击Next>>
(2)点击finish
(3)出现这个界面点击“安装”
(4)安装完毕后出来这个界面
(5)在解压压缩包找到keil.STM32F1xx_DFP.1.0.4包,并打开,点击Next>>
(6)点击finish
这样就安装完毕keil和相关pack文件。
3、keil的设置
(1)打开keil,点击Edit,然后点击Configuration
(2)将Encoding设置为:Chinese GB2312(Simplified) ,Tab size设置为4
(3)点击Color & Fonts,选中C/C++ Editor files,点击OK
二、基于STM 32汇编程序的编写(LED闪烁)
1、新建文件
(1)点击project,再点击New uVision project
(2)选择文件夹,给文件命名
(3)在左侧的窗口内选择STM32芯片,这里我们选择STM32F103RB,并保存
(4)点击CMSIS后,勾选如下图的选项,然后点击Device,再勾选如下图的选项,再点击OK
2、建立main.c文件
(1)点击如图所示的图形
(2)复制粘贴如下代码:
//宏定义,用于存放stm32寄存器映射
#define PERIPH_BASE ((unsigned int)0x40000000)//AHB
#define APB2PERIPH_BASE (PERIPH_BASE + 0x10000)
#define GPIOA_BASE (APB2PERIPH_BASE + 0x0800)
//GPIOA_BASE=0x40000000+0x10000+0x0800=0x40010800,该地址为GPIOA的基地址
#define GPIOB_BASE (APB2PERIPH_BASE + 0x0C00)
//GPIOB_BASE=0x40000000+0x10000+0x0C00=0x40010C00,该地址为GPIOB的基地址
#define GPIOC_BASE (APB2PERIPH_BASE + 0x1000)
//GPIOC_BASE=0x40000000+0x10000+0x1000=0x40011000,该地址为GPIOC的基地址
#define GPIOD_BASE (APB2PERIPH_BASE + 0x1400)
//GPIOD_BASE=0x40000000+0x10000+0x1400=0x40011400,该地址为GPIOD的基地址
#define GPIOE_BASE (APB2PERIPH_BASE + 0x1800)
//GPIOE_BASE=0x40000000+0x10000+0x0800=0x40011800,该地址为GPIOE的基地址
#define GPIOF_BASE (APB2PERIPH_BASE + 0x1C00)
//GPIOF_BASE=0x40000000+0x10000+0x0800=0x40011C00,该地址为GPIOF的基地址
#define GPIOG_BASE (APB2PERIPH_BASE + 0x2000)
//GPIOG_BASE=0x40000000+0x10000+0x0800=0x40012000,该地址为GPIOG的基地址
#define GPIOA_ODR_Addr (GPIOA_BASE+12) //0x4001080C
#define GPIOB_ODR_Addr (GPIOB_BASE+12) //0x40010C0C
#define GPIOC_ODR_Addr (GPIOC_BASE+12) //0x4001100C
#define GPIOD_ODR_Addr (GPIOD_BASE+12) //0x4001140C
#define GPIOE_ODR_Addr (GPIOE_BASE+12) //0x4001180C
#define GPIOF_ODR_Addr (GPIOF_BASE+12) //0x40011A0C
#define GPIOG_ODR_Addr (GPIOG_BASE+12) //0x40011E0C
#define BITBAND(addr, bitnum) ((addr & 0xF0000000)+0x2000000+((addr &0xFFFFF)<<5)+(bitnum<<2))
#define MEM_ADDR(addr) *((volatile unsigned long *)(addr))
#define LED0 MEM_ADDR(BITBAND(GPIOA_ODR_Addr,8))
//#define LED0 *((volatile unsigned long *)(0x422101a0)) //PA8
//定义typedef类型别名
typedef struct
{
volatile unsigned int CR;
volatile unsigned int CFGR;
volatile unsigned int CIR;
volatile unsigned int APB2RSTR;
volatile unsigned int APB1RSTR;
volatile unsigned int AHBENR;
volatile unsigned int APB2ENR;
volatile unsigned int APB1ENR;
volatile unsigned int BDCR;
volatile unsigned int CSR;
} RCC_TypeDef;
#define RCC ((RCC_TypeDef *)0x40021000)
//定义typedef类型别名
typedef struct
{
volatile unsigned int CRL;
volatile unsigned int CRH;
volatile unsigned int IDR;
volatile unsigned int ODR;
volatile unsigned int BSRR;
volatile unsigned int BRR;
volatile unsigned int LCKR;
} GPIO_TypeDef;
//GPIOA指向地址GPIOA_BASE,GPIOA_BASE地址存放的数据类型为GPIO_TypeDef
#define GPIOA ((GPIO_TypeDef *)GPIOA_BASE)
void LEDInit( void )
{
RCC->APB2ENR|=1<<2; //GPIOA 时钟开启
GPIOA->CRH&=0XFFFFFFF0;
GPIOA->CRH|=0X00000003;
}
//粗略延时
void Delay_ms( volatile unsigned int t)
{
unsigned int i,n;
for (n=0;n<t;n++)
for (i=0;i<800;i++);
}
int main(void)
{
LEDInit();
while (1)
{
LED0=0;//LED熄灭
Delay_ms(500);//延时时间
LED0=1;//LED亮
Delay_ms(500);//延时时间
}
}
(3)点击保存按钮,将文件名命名为main.c后保存
(4)单击选中Source Group 1,然后点击 Add Existing Files to Group
(5)选中main.c后,点击Add
2、编译程序
(1)点击编译
3、STM 32的程序仿真调试
(1)点击如下图所示的按键
(2)点击 Debug,勾选 Use Simulator ,再选择 ULINK2/ME Cortex Debugger ,并点击 Settings
(3)保证Port为JTAG,Reset为Autodetect,点击OK
(4)点击如下调试按钮,左边为调试工具
三、总结
keil软件的安装是比较简单的过程,安装好过后选择好型号就可以开始汇编语言的编写与调试,是一款很实用的软件,做完此次实验,能够让我们对MDK软件有更好的认识,对代码的编写与编译有更熟悉的操作。
四、参考博客
https://blog.csdn.net/ssj925319/article/details/108919862