安装教程参考别人的,链接如下 链接: link.
1、建议一个工程 打开Keil uVision5,找到File,然后点击New uVision Project 选择需要使用的stm32芯片
对Run-Time Environment进行设置,设置完成后,点击OK,这样一个工程就建立完成 2、编写程序代码
#define PERIPH_BASE ((unsigned int)0x40000000) #define APB2PERIPH_BASE (PERIPH_BASE + 0x10000) #define GPIOA_BASE (APB2PERIPH_BASE + 0x0800) #define GPIOB_BASE (APB2PERIPH_BASE + 0x0C00) #define GPIOC_BASE (APB2PERIPH_BASE + 0x1000) #define GPIOD_BASE (APB2PERIPH_BASE + 0x1400) #define GPIOE_BASE (APB2PERIPH_BASE + 0x1800) #define GPIOF_BASE (APB2PERIPH_BASE + 0x1C00) #define GPIOG_BASE (APB2PERIPH_BASE + 0x2000) #define GPIOA_ODR_Addr (GPIOA_BASE+12) #define GPIOB_ODR_Addr (GPIOB_BASE+12) #define GPIOC_ODR_Addr (GPIOC_BASE+12) #define GPIOD_ODR_Addr (GPIOD_BASE+12) #define GPIOE_ODR_Addr (GPIOE_BASE+12) #define GPIOF_ODR_Addr (GPIOF_BASE+12) #define GPIOG_ODR_Addr (GPIOG_BASE+12) #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)) 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) 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; #define GPIOA ((GPIO_TypeDef *)GPIOA_BASE) void LEDInit( void ) { RCC->APB2ENR|=1<<2; //GPIOA 时钟开启 GPIOA->CRH&=0XFFFFFFF0; GPIOA->CRH|=0X00000003; } 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 } }编译结果
1、打开 Keil 软件,点击 Project → New uVision Project 。给工程命名。在搜索框内输入 AT89C51 ,再选中 AT89C51 芯片,然后点击 OK 。
2、程序编写 创建main.c文件编写如下代码
#include"led.h" void main() { unsigned char flash_times=10; unsigned char i; while(I) { LED_lit(l) Delay_ms(10000); for(i=0;i<flash_times;i++) { Flash(1000); } } }创建led.h文件写入以下代码
#include<reg5l.h> sbit light=Pl^0; void LED_lit(bit flag) { light=~flag; } void Delay_ms(int x) { int m,n; for(m=0;m<x;m++) for(n=0;n<300;n++); } void Flash(int y) { LED_lit(l); Delay_ms(y); LED_lit(0); Delay_ms(y); }点击魔法棒,找到 勾选Create HEX File ,生成的这个文件用于后面的调试和仿真 3、
