STM32串口控制LED闪烁

#include "stm32f10x.h"
#include "platform_config.h"
#include "stm32f10x_usart.h"
#include "misc.h"
#include "stdarg.h"

GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;

uint8_t TxBuffer1[],rec_f,tx_flag;
uint8_t RxBuffer1[],rec_f,rx_flag;
__IO uint8_t TxCounter1 = 0x00;
__IO uint8_t RxCounter1 = 0x00; 


void RCC_Configuration(void);
void USART_Config(void);
void GPIO_Configuration(void);
void Delay(__IO uint32_t nCount);

GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStruct;
USART_ClockInitTypeDef USART_ClockInitStruct;

int main(void)
{


    RCC_Configuration();         
    GPIO_Configuration();