itmask =0x00, usartreg =0x00;23ITStatus bitstatus =RESET;24/*Check the parameters*/25assert_param(IS_USART_ALL_PERIPH(USARTx));26assert_param(IS_USART_GET_IT(USART_IT));27/*The CTS interrupt is not available for UART4 and UART5*/28if(USART_IT ==USART_IT_CTS)29...
USART_GetITStatus()和USART_GetFlagStatus()的区别 都是访问串⼝的SR状态寄存器,唯⼀不同是,USART_GetITStatus()会判断中断是否开启,如果没开启,也会返回false。 ITStatus USART_GetITStatus(USART_TypeDef* USARTx, uint32_t USART_IT) 该函数不仅会判断标志位是否置1,同时还会判断是否使...
USART_GetITStatus()和USART_GetFlagStatus()的区别 都是访问串口的SR状态寄存器,唯一不同是,USART_GetITStatus()会判断中断是否开启,如果没开启,也会返回false。 ITStatus USART_GetITStatus(USART_TypeDef* USARTx, uint32_t USART_IT) 该函数不仅会判断标志位是否置1,同时还会判断是否使能了相应的中断。所以在...
= _tx_buffer.tail) ) {// Interrupts are on but they are not being serviced because this was called from a higher// Priority interruptif(USART_GetITStatus(usartMap->usart_peripheral, USART_IT_TXE) &&USART_GetFlagStatus(usartMap->usart_peripheral, USART_FLAG...