EEPW论坛

/**
  ******************************************************************************
  * @file    GPIO/IOToggle/main.c 
  * @author  MCD Application Team
  * @version V3.5.0
  * @date    08-April-2011
  * @brief   Main program body.
  ******************************************************************************
  * @attention
  *
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  *

	© COPYRIGHT 2011 STMicroelectronics

******************************************************************************
  */ 

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
#include "stm32_eval.h"
GPIO_InitTypeDef GPIO_InitStructure;//定义了一个初始化结构体，其中包括端口引脚、速度、模式

void RCC_Configuration(void)
{
  RCC_DeInit();
    
  RCC_HSICmd(ENABLE);//时钟使能配置
  while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);//检查制定的RCC（PLL准备好标志）标志位设置与否
  
  RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);//时钟源相关配置
  
  RCC_HSEConfig(RCC_HSE_OFF);
  RCC_LSEConfig(RCC_LSE_OFF);
  RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); //  72HMz
  RCC_PLLCmd(ENABLE);//使能PLL
  while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);
  RCC_ADCCLKConfig(RCC_PCLK2_Div4);
  RCC_PCLK2Config(RCC_HCLK_Div1);//设置高速AHB时钟
  RCC_PCLK1Config(RCC_HCLK_Div2);//设置低速AHB时钟
  RCC_HCLKConfig(RCC_SYSCLK_Div1);//设置AHB时钟
  RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
  while(RCC_GetSYSCLKSource() != 0x08);//PLL作为系统时钟
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);
 GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;//选择配置的引脚
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_Init(GPIOD, &GPIO_InitStructure);
	GPIO_ResetBits(GPIOD,GPIO_Pin_2);
}

void GPIO_INIT()
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;//选择PIN0-PIN7
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;//引脚推拉输出
  GPIO_Init(GPIOC, &GPIO_InitStructure);//初始化
}

void delay_us(u32 n)
{
	u8 j;
	while(n--)
	for(j=0;j<10;j++);
}

void  delay_ms(u32 n)
{
	while(n--)
	delay_us(1000);
}


/**
  * @brief  Main program.
  * @param  None
  * @retval None
  */
int main(void)
{ 
	RCC_Configuration();
 GPIO_INIT();
	while(1){
	GPIO_ResetBits(GPIOC,GPIO_Pin_3);//0清除指定数据端口位D4
		delay_ms(100);
		GPIO_SetBits(GPIOC,GPIO_Pin_3);//1设置指定数据端口位D4
		delay_ms(1000);
                GPIO_ResetBits(GPIOC,GPIO_Pin_2);//0，熄灭D3
		delay_ms(100);
		GPIO_SetBits(GPIOC,GPIO_Pin_2);//1，点亮D3
		delay_ms(1000);
		GPIO_ResetBits(GPIOC,GPIO_Pin_7);//0
		delay_ms(100);
		GPIO_SetBits(GPIOC,GPIO_Pin_7);//1
		delay_ms(1000);
		GPIO_ResetBits(GPIOC,GPIO_Pin_6);//0
		delay_ms(100);
		GPIO_SetBits(GPIOC,GPIO_Pin_6);//1
		delay_ms(1000);
		GPIO_ResetBits(GPIOC,GPIO_Pin_1);//0
		delay_ms(100);
		GPIO_SetBits(GPIOC,GPIO_Pin_1);//1
		delay_ms(1000);
		GPIO_ResetBits(GPIOC,GPIO_Pin_0);//0
		delay_ms(100);
		GPIO_SetBits(GPIOC,GPIO_Pin_0);//1
		delay_ms(1000);
		GPIO_ResetBits(GPIOC,GPIO_Pin_5);//0
		delay_ms(100);
		GPIO_SetBits(GPIOC,GPIO_Pin_5);//1
		delay_ms(1000);
		GPIO_ResetBits(GPIOC,GPIO_Pin_4);//0
		delay_ms(100);
		GPIO_SetBits(GPIOC,GPIO_Pin_4);//1
		delay_ms(1000);
}
}

 Keil的安装、破解

1.首先点击mdk472_a.exe(我在学校的机房和自己的电脑上都安装了这个软件都分别进行了截图，所以用户名和E-mail可能会略有不同)

2.勾选我同意，点击下一步

3.选择合适的路径保存文件

4.填写好用户名和E-mail

5.等待安装

6.打开下图的软件

7.打开Keil uVision4这个软件

8.复制CID的序列号

8.粘贴CID序列号，第二个方框选择ARM，检索最后一行的序列号，复制

9.粘贴在如下方框最后一行，完成安装

2014.10.20，欢迎大家前来指导~谢谢~

灯的作业延时稍大啊

有俩灯不亮？

#include "stm32f10x.h"
#include "stm32_eval.h"
GPIO_InitTypeDef GPIO_InitStructure;

void RCC_Configuration(void)
{
  RCC_DeInit();
    
  RCC_HSICmd(ENABLE);
  while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET)
  
  RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);
  
  RCC_HSEConfig(RCC_HSE_OFF);
  RCC_LSEConfig(RCC_LSE_OFF);
  RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); //  72HMz
  RCC_PLLCmd(ENABLE);
  while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);
  RCC_ADCCLKConfig(RCC_PCLK2_Div4);
  RCC_PCLK2Config(RCC_HCLK_Div1);
  RCC_PCLK1Config(RCC_HCLK_Div2);
  RCC_HCLKConfig(RCC_SYSCLK_Div1);
  RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
  while(RCC_GetSYSCLKSource() != 0x08);
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);
 GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_Init(GPIOD, &GPIO_InitStructure);
	GPIO_ResetBits(GPIOD,GPIO_Pin_2);
}

void GPIO_INIT()
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3;//PIN1-PIN3
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_Init(GPIOA, &GPIO_InitStructure);//初始化，RGB是GOIPA
}

void delay_us(u32 n)
{
	u8 j;
	while(n--)
	for(j=0;j<10;j++);
}

void  delay_ms(u32 n)
{
	while(n--)
	delay_us(1000);
}


/**
  * @brief  Main program.
  * @param  None
  * @retval None
  */
int main(void)
{ 
	RCC_Configuration();
 GPIO_INIT();
	while(1){
	        GPIO_ResetBits(GPIOA,GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3);//0
          
		
	       	GPIO_ResetBits(GPIOA,GPIO_Pin_1);//0,blue
          delay_ms(50);    
          GPIO_WriteBit(GPIOA,GPIO_Pin_1,Bit_SET); //1     
          delay_ms(50); 
          GPIO_ResetBits(GPIOA,GPIO_Pin_2);//0,red
          delay_ms(50);    
          GPIO_WriteBit(GPIOA,GPIO_Pin_2,Bit_SET); //1            
          delay_ms(50);       
          GPIO_ResetBits(GPIOA,GPIO_Pin_3);//0,green
          delay_ms(50);    
          GPIO_WriteBit(GPIOA,GPIO_Pin_3,Bit_SET); //1   
		      delay_ms(50); 
		      GPIO_ResetBits(GPIOA,GPIO_Pin_1|GPIO_Pin_3);//0,cyan
          delay_ms(50);    
          GPIO_WriteBit(GPIOA,GPIO_Pin_1|GPIO_Pin_3,Bit_SET); //1   
		      delay_ms(50); 
		      GPIO_ResetBits(GPIOA,GPIO_Pin_2|GPIO_Pin_3);//0,yellow
          delay_ms(50);    
          GPIO_WriteBit(GPIOA,GPIO_Pin_2|GPIO_Pin_3,Bit_SET); //1   
		      delay_ms(50); 
				  GPIO_ResetBits(GPIOA,GPIO_Pin_1|GPIO_Pin_2);//0,purple
          delay_ms(50);    
          GPIO_WriteBit(GPIOA,GPIO_Pin_1|GPIO_Pin_2,Bit_SET); //1   
		      delay_ms(50); 
}
}