{//Clear UART1 receive interrupt flagUART_ClearITPendingBit(UART1,UART_ICR_RX);//Read the data received by UART1Recbyte =UART_ReceiveData(UART1);//UART1 receive data bufferedgUART1_Rx_Buf[gUART1_Rx_Cnt] =Recbyte;//Determine whether the received data of UART1 overflowsif(gUART1_Rx_Cnt...
uart1_dma_send_data(uint8_t* buf, uint32_t len)，这个好处是，可以变化mem地址（buf数组，以及...
}//Automatic baud rate error clear bitif(UART_GetITStatus(UART1, UART_ISR_ABRERR_INTF) !=RESET) {//Auto baud rate error clear bitUART_ClearITPendingBit(UART1,UART_ICR_ABRERRCLR); }//Automatic baud rate end interrupt clear bitif(UART_GetITStatus(UART1, UART_ISR_ABREND_INTF) !=RESET)...
FUNCMCONx(GPIO_GET_AFCON(af_con)) |= GPIO_AF_MAP_CLR(UT1RXMAP_AF);break;caseUT0RXMAP_TX: FUNCMCONx(GPIO_GET_AFCON(af_con)) |= GPIO_AF_MAP_CLR(UT0RXMAP_AF);break;default:break; } FUNCMCONx(GPIO_GET_AFCON(af_con)) |= GPIO_AF_MAP_CLR(af_con &0x1f); FUNCMCONx(GPIO_G...
uart_recvTaskPrio, 1, 0);WRITE_PERI_REG(UART_INT_CLR(uart_no), UART_TXFIFO_EMPTY_INT_CLR...
hal_uart_clrflag(uart->handle.instance, UART_FLAG_RXPND); } return ch; } static rt_size_t ab32_dma_transmit(struct rt_serial_device *serial, rt_uint8_t *buf, rt_size_t size, int direction) { return -1; } static void uart_isr(int vector, void *param) ...
{//Auto baud rate end clear bitUART_ClearITPendingBit(UART1,UART_ICR_ABRENDCLR); } } 8.验证MM32F0020 UART1自动波特率校准功能 (1)在main函数初始化中调用UART1 NVIC硬件自动波特率检测初始化函数即Bsp_UART1_NVIC_Init(UART1_BAUDRATE);调用LED初始化函数用于指示收到数据后做状态翻转,在while(1) ...