1.1安装mdk5 1.2下载安装包，打开“mdk511.exe”开始安装 1.3根据自己需求可改变储存路径，也可直接用默认路径1.4可以随便填写以下内容 1.5等待安装，点击完成。 1.6可使用注册机破解。 1.7下载安装ARM和stm
2 简单使用STM32 2.1打开keil5软件，新建一个工程 2.2给新建工程命名2.3选择STM2.4建立文件2.5书写代码
//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 } }2.6将其保存为以.c结尾的文件 2.7在左侧source Group 1添加.c文件 然后Source Group 1下会出现你所添加的.c文件2.8最后运行编译 2.9程序仿真调试
代码参考.
