串口助手上没输出，仿真可行，求助。

xinghongyc · 发表于 2016-8-1 17:09:24

#include "stm32f10x.h"
#include "led.h"
int main(void)
{
int i=0;
unsigned char TxBuf1[] = "Welcome to my STM32! Please press any key!";
uart_init(9600);
while(1)
{
  for( i=0;TxBuf1[i]!='\0';i++)
  {
while(USART_GetFlagStatus(USART1, USART_FLAG_TC)==RESET);
USART_SendData(USART1 , TxBuf1[i]);
  }
}
}

#include "led.h"
void uart_init(u32 bound)
{
      GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;

RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1|RCC_APB2Periph_AFIO|RCC_APB2Periph_GPIOA, ENABLE); //使能USART1，GPIOA时钟


GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; //PA.9
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //复用推挽输出
GPIO_Init(GPIOA, &GPIO_InitStructure);//初始化GPIOA.9

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;//PA.10
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;//浮空输入
GPIO_Init(GPIOA, &GPIO_InitStructure);//初始化GPIOA.10


//USART 初始化设置
USART_InitStructure.USART_BaudRate = bound;//串口波特率
USART_InitStructure.USART_WordLength = USART_WordLength_8b;//字长为8位数据格式
USART_InitStructure.USART_StopBits = USART_StopBits_1;//一个停止位
USART_InitStructure.USART_Parity = USART_Parity_No;//无奇偶校验位
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//无硬件数据流控制
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; //收发模式
USART_Init(USART1, &USART_InitStructure); //初始化串口1

USART_Cmd(USART1, ENABLE);                   //使能串口1
}

#ifndef __USART_H
#define __USART_H
#include "stm32f10x.h"
void uart_init(u32 bound);
#endif