loadingintfputc(intch, FILE *f)
{
/* Place your implementation of fputc here */ /* e.g. write a character to the USART */ USART_SendData(USART6, (uint8_t) ch);
/* Loop until the end of transmission */
while (USART_GetFlagStatus(USART6, USART_FLAG_TC) == RESET) {} returnch; }
#ifdef USE_FULL_ASSERT /**
* @brief Reports the name of the source file and the source line number * where the assert_param error has occurred. * @param file: pointer to the source file name * @param line: assert_param error line source number * @retvalNone
*/
voidassert_failed(uint8_t* file, uint32_t line) {
/* User can add his own implementation to report the file name and line number, ex: printf(\
/* Infinite loop */ while (1) { } } #endif /** * @} */ /** * @} */
/*中断*/
uint8_t Uart3_Buffer[255]; uint8_t temp; uint8_t Flag=0; int RxCounter=0; inti=0;
void USART3_IRQHandler(void) {
if(USART_GetITStatus(USART3,USART_IT_RXNE)!= RESET) //中断产生 {
USART_ClearITPendingBit(USART3,USART_IT_RXNE); //清除中断标志 if(RxCounter==0) {
temp=USART_ReceiveData(USART3);
if(temp==FRAMEHEAD) /*FRAMEHEAD*/ Uart3_Buffer[RxCounter++]=temp;
}
else {
Uart3_Buffer[RxCounter++]=USART_ReceiveData(USART3); if(RxCounter==FRAMELEN) {
Flag=1; RxCounter=0;
/*FRAMELEN*/
}
if(USART_GetFlagStatus(USART3,USART_FLAG_ORE) == SET)
{ USART_ClearFlag(USART3,USART_FLAG_ORE); USART_ReceiveData(USART3); } }
}
if(USART_GetITStatus(USART3,USART_IT_TXE)!= RESET) {
USART_ClearITPendingBit(USART3,USART_IT_TXE); if(Flag) {
for(i=0;i USART_SendData(USART3,Uart3_Buffer[i]); //发送数据 while(USART_GetFlagStatus(USART3,USART_FLAG_TC)==RESET); {} } } Flag=0; } } uint8_t Flag6=0; int RxCounter6=0; uint8_t temp6; uint8_t Uart6_Buffer[255]; void USART6_IRQHandler(void) { if(USART_GetITStatus(USART6,USART_IT_RXNE)!= RESET) { USART_ClearITPendingBit(USART6,USART_IT_RXNE); if(RxCounter6==0) { temp6=USART_ReceiveData(USART6); if(temp6==FRAMEHEAD) /*FRAMEHEAD*/ Uart6_Buffer[RxCounter6++]=temp6; } else { Uart6_Buffer[RxCounter6++]=USART_ReceiveData(USART6); if(RxCounter6==FRAMELEN) { Flag6=1; RxCounter6=0; /*FRAMELEN*/ } if(USART_GetFlagStatus(USART6,USART_FLAG_ORE) == SET) { USART_ClearFlag(USART6,USART_FLAG_ORE); USART_ReceiveData(USART6); } } } } int main(void) { inti=0; int j=0; GPIO_Configuration(); USART_Configuration(); NVIC_Config(); while (1) } { }