重新设置SMT32系统的时钟不知道哪里错了；朋友们帮忙看下哪里设置错误，编译没出错

onyourmark

#include "stm32f10x.h"
#include "delay.h"

/************************************************
 ALIENTEK ????STM32F103??·?°????é0
 ?¤????°?
 
************************************************/
void RCC_Init(void);
void USART1_IRQHandler(void);
void USART1_Init(void);

 int main(void)
 {
 
RCC_Init();
   USART1_Init();
USART1_IRQHandler();
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);      //??????????·?×é

while(1)
{
 GPIO_ResetBits(GPIOA,GPIO_Pin_3);
 
delay_ms(300);
GPIO_SetBits(GPIOA,GPIO_Pin_3);
 
delay_ms(300);
};
 }
 void USART1_Init(void)
 {
       //GPIO?????è??
GPIO_InitTypeDef GPIO_InitStructure;

USART_InitTypeDef USART_InitStructure;

NVIC_InitTypeDef NVIC_InitStructure;
 
   
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOD,ENABLE);             //GPIO???±???è??
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1,ENABLE);                                 //?®???±???è??
   RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO,ENABLE);

GPIO_InitStructure.GPIO_Pin   = GPIO_Pin_9;                                           //RX
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA,&GPIO_InitStructure);

GPIO_InitStructure.GPIO_Pin   = GPIO_Pin_10;                                           //TX
GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA,&GPIO_InitStructure);

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;                                        //LED0-->D.2 ????????
      GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;                                    //???ì????
      GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;                                    //IO????????50MHz
      GPIO_Init(GPIOA, &GPIO_InitStructure);                                        //?ù???è?¨??????????GPIOD.2
      GPIO_SetBits(GPIOA,GPIO_Pin_3);                                              //PD.2 ??????

GPIO_Init(GPIOA, &GPIO_InitStructure);

    //USART ???????è??
     
USART_InitStructure.USART_BaudRate =  9600;               //?¨????
USART_InitStructure.USART_HardwareFlowControl  =  USART_HardwareFlowControl_None;   //?????????÷
USART_InitStructure.USART_Mode = USART_Mode_Rx|USART_Mode_Tx;   //??????
USART_InitStructure.USART_Parity =  USART_Parity_No;   //???é??
USART_InitStructure.USART_StopBits           =  USART_StopBits_1; //??????
USART_InitStructure.USART_WordLength           =  USART_WordLength_8b;   //×??¤
   


NVIC_InitStructure.NVIC_IRQChannel                    = USART1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority  = 3 ;                                //??????????3
   NVIC_InitStructure.NVIC_IRQChannelSubPriority         = 3;                             //×???????3
   NVIC_InitStructure.NVIC_IRQChannelCmd                 = ENABLE;                      //IRQ?¨??????
NVIC_Init(&NVIC_InitStructure);                                                          //?ù?????¨????????????VIC?????÷

      USART_Init(USART1,&USART_InitStructure);                                                //?ù?????¨????????????VIC?????÷
USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);                                           //?????®??????????
USART_Cmd(USART1,ENABLE);     //?®??????

 }
 
 void USART1_IRQHandler(void)
 {
u8 onyourmark;
 if(USART_GetITStatus(USART1, USART_IT_RXNE))                            // ???????? 
{
onyourmark = USART_ReceiveData(USART1);                                                  //?????????®????????
USART_SendData(USART1, onyourmark);                                                  //·?????????????

}

 }
 
 
void RCC_Init(void)
{
ErrorStatus HSEStartUpStatus;
NVIC_InitTypeDef NVIC_InitStructure;
/* SYSCLK, HCLK, PCLK2 and PCLK1 configuration -----------------------------*/   
/* RCC system reset(for debug purpose) */
RCC_DeInit();
/* Enable HSE */
RCC_HSEConfig(RCC_HSE_ON);
/* Wait till HSE is ready */
HSEStartUpStatus = RCC_WaitForHSEStartUp();
/* ?????±?????????????????????±??/2?????à?·?????±?? ??????72M */

if(HSEStartUpStatus == SUCCESS)
{
/* Enable Prefetch Buffer */
// FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);
/* Flash 2 wait state */
// FLASH_SetLatency(FLASH_Latency_2);
  /* HCLK = SYSCLK */
RCC_HCLKConfig(RCC_SYSCLK_Div1); 
/* APB2  CLK2 = HCLK */
RCC_PCLK2Config(RCC_HCLK_Div1); 
/* APB1 PCLK1 = HCLK/2 */
RCC_PCLK1Config(RCC_HCLK_Div2);
/* APB1 ADCCLK = HCLK/8 */
RCC_ADCCLKConfig(RCC_PCLK2_Div8);
/* PLLCLK = 8MHz * 9 = 72 MHz */
RCC_PLLConfig(RCC_PLLSource_HSE_Div2, RCC_PLLMul_9);  //   16  /2   *  9   =   72
/* 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);
}/* endof if(HSEStartUpStatus == SUCCESS) */
/* ?????±???????§°??????????·???? */
else /* elseof if (HSEStartUpStatus == SUCCESS) */
{
while(1);
// SYSRESET();                                                                                 //????????
}

/* Enable and configure RCC global IRQ channel */
NVIC_InitStructure.NVIC_IRQChannel = RCC_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;  
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}

lycreturn

对比下战舰开发板的时钟初始化吧

onyourmark

已经找到原因。你的回答太水了。