SMT32 RCC初始化问题

lin4354

SMT32 RCC初始化问题 [复制链接]

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"

GPIO_InitTypeDef GPIO_InitStructure;
#define LED1_ON  GPIO_SetBits(GPIOB,GPIO_Pin_5);
#define LED1_OFF GPIO_ResetBits(GPIOB,GPIO_Pin_5);

void RCC_Configuration(void);
void GPIO_Configuration(void);

int main(void)
{
 RCC_Configuration();
 GPIO_Configuration();
 
 while(1)
 {
  LED1_ON;
  }
 }

void RCC_Configuration(void)
{
 ErrorStatus HSEStartUpStatus;
 
 RCC_DeInit();

  /* Enable HSE */
  RCC_HSEConfig(RCC_HSE_ON);

  /* Wait till HSE is ready */
  HSEStartUpStatus = RCC_WaitForHSEStartUp();

  if(HSEStartUpStatus == SUCCESS)
  {
    /* HCLK = SYSCLK */
    RCC_HCLKConfig(RCC_SYSCLK_Div1);
 
    /* PCLK2 = HCLK */
    RCC_PCLK2Config(RCC_HCLK_Div1);

    /* PCLK1 = HCLK/2 */
    RCC_PCLK1Config(RCC_HCLK_Div2);

    /* Flash 2 wait state */
    //FLASH_SetLatency(FLASH_Latency_2);
    /* Enable Prefetch Buffer */
    //FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);

    /* PLLCLK = 8MHz * 9 = 72 MHz */
    RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);

    /* Enable PLL */
    RCC_PLLCmd(ENABLE);

    /* Wait till PLL is ready */
    while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)
    {
    }

    /* Select PLL as system clock source */
    RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);

    /* Wait till PLL is used as system clock source */
    while(RCC_GetSYSCLKSource() != 0x08)
    {
    }
  }
 }

void GPIO_Configuration(void)
{
 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);
 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
 GPIO_Init(GPIOB,&GPIO_InitStructure);
 }

这段程序  初始化不了 单片机跑不起来

lin4354

为什么没人回答  5555555

losingamong

卡在哪句？
楼主我想说你的宏定义很有问题……