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
1, USART_IT_RXNE) != RESET) {USART_ClearITPendingBit(USART1, USART_IT_RXNE);
2018-02-28 13:42
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){ buff
2022-02-22 07:14
{ if(USART_GetITStatus(USART3,USART_IT_RXNE)!=RESET) USART_ClearITPendingBit(
2019-09-24 16:02
_FLAG_TXE);USART_ClearFlag(USART2,USART_FLAG_RXNE);NVIC_EnableIRQ(USART2_IRQn);
2018-09-24 12:12
：该中断使能是在USART_IT_RXNE使能同时有效；3.USART_IT_ORE检测：1）在未开启USART_IT_ERR时，只能通过USART_GetFlagSt
2021-08-13 07:26
= ENABLE; NVIC_Init(&NVIC_InitStructure); USART_ITConfig(USART2, USART_IT_RXNE, ENABLE);
2016-08-20 11:13
