USART_ITConfig(USART1,USART_IT_RXNE,ENABLE);这一句的意思是允许USART_IT_RXNE中断,还是产生
2017-03-21 22:00
USART_GetITStatus(USART1, USART_IT_RXNE) != RESET中“!= RESET”是什么意思？
2016-09-18 09:50
1, USART_IT_RXNE) != RESET) { USART_ClearITPendingBit(USART1, USART_IT_RXNE); USA.
2021-08-13 06:27
{ if(USART_GetITStatus(USART3,USART_IT_RXNE)!=RESET) USART_ClearITPendingBit(
2019-09-24 16:02
1, USART_IT_RXNE) != RESET) {USART_ClearITPendingBit(USART1, USART_IT_RXNE);
2018-02-28 13:42
void USART2_IRQHandler(void){uint8_t value = 0;if(USART_GetITStatus(USART2, USART_IT_RXN
2016-12-10 23:21
1, USART_IT_RXNE) != RESET) { USART_ClearITPendingBit(USART1, USART_IT_RXNE);
2019-09-11 15:27
USART2_IRQHandler(void){ if(USART_GetITStatus(USART2, USART_IT_RXNE) != RESET) {
2021-12-28 19:10
void USART2_IRQHandler(void){u8 res;if(USART_GetFlagStatus(USART2, USART_IT_RXNE) !=
2019-04-25 02:03
USART1_IRQHandler(void){/* 处理接收中断*/if (USART_GetITStatus(USART1, USART_IT_RXNE) !=
2016-08-09 12:01
