stm32串口中断接收多少字节

stm32串口中断接收多少字节

#include "stm32f10x.h"

void RCC_Configuration(void);
void GPIO_Configuration(void);
void NVIC_Configuration(void);
void delay(vu32 nCount)
{
for(; nCount != 0; nCount--);
}


main()
{
RCC_Configuration();//系统时钟配置

NVIC_Configuration();//中断配置

GPIO_Configuration();//GPIO口配置
while(1) //LED灯循环亮灭，串口循环发送ASCII“9”
{
delay(5000000);
GPIO_WriteBit(GPIOD,GPIO_Pin_2,Bit_RESET);
USART_SendData(USART1,'9');
while(USART_GetFlagStatus(USART1,USART_FLAG_TXE) == RESET);
{
}