HAL_UART_Transmit(UART_HandleTypeDef*huart,uint8_t*pData,uint16_t Size,uint32_t Timeout) 功能:串口发送指定长度的数据。如果超时没发送完成,则不再发送,返回超时标志(HAL_TIMEOUT)。 参数: UART_HandleTypeDef *huartUATR的别名如 : UART_HandleTypeDef huart1; 别名就是huart1 *pData需要发送的数据 S...
}while(HAL_UART_GetState(&huart2) !=HAL_UART_STATE_READY);if(HAL_UART_Transmit_IT(&huart2, (uint8_t*)aRxBuffer,15) !=HAL_OK) {while(1); }while(HAL_UART_GetState(&huart2) !=HAL_UART_STATE_READY);if(HAL_UART_Transmit_IT(&huart2, (uint8_t*)aTxEndMessage,sizeof(aTxEndMe...
huart->State =HAL_UART_STATE_BUSY_TX_RX; }else{ huart->State =HAL_UART_STATE_BUSY_RX; }/*Process Unlocked*/__HAL_UNLOCK(huart);/*Enable the UART Parity Error Interrupt*/__HAL_UART_ENABLE_IT(huart, UART_IT_PE);/*Enable the UART Error Interrupt: (Frame error, noise error, over...
HAL_UART_Transmit(&huart1, (uint8_t*)&TxBuffer,Uart1_Rx_Cnt,0xFFFF);//将收**加粗样式**到的信息发送出去 while(HAL_UART_GetState(&huart1)==HAL_UART_STATE_BUSY_TX);//检测UART发送结束 Uart1_Rx_Cnt=0; memset(TxBuffer,0x00,sizeof(TxBuffer));//清空数组 } } HAL_UART_Receive_IT...
if (HAL_UART_GetState(&huart2) != HAL_UART_STATE_BUSY_TX) { // HAL_UART_Transmit(&huart1, (uint8_t*)hello0,sizeof(hello0), 0xFFFF);//Your PN532 has woken up successfully // HAL_UART_Transmit(&huart1,(uint8_t *)&aRxBuffer,sizeof(aRxBuffer),0xFFFF); ...
HAL_UART_Receive_IT和HAL_UART_Transmit一起用进不到中断里 波特率为4800.在中断中调用HAL_UART_Receive_IT继续进行下次中断,除此之外没有任何其他代码。然后在主循环里调用HAL_UART_Transmit发送数据,就有一定可能导致再也进 asp60399 2019-03-14 08:38:15 ...
< UART Rx Transfer size */uint16_t RxXferCount;/*!< UART Rx Transfer Counter */DMA_HandleTypeDef*hdmatx;/*!< UART Tx DMA Handle parameters */DMA_HandleTypeDef*hdmarx;/*!< UART Rx DMA Handle parameters */HAL_LockTypeDef Lock;/*!< Locking object */__IO HAL_UART_StateTypeDef State;...
{__HAL_UART_CLEAR_IT(&huart2,UART_CLEAR_IDLEF);//Çå³ýÖжÏ// ReceiveState = 1;// IDLE 数据处理,一帧数据接收标志位置位} } HAL库接收方式二 但是在于 HAL 中,还有一种比较常用的开启中断方法,不是直接使能中断,而是通过调用 HAL 库函数登录后复制HAL_UART_Receive_IT: ...
< UART Rx Transfer Counter */DMA_HandleTypeDef *hdmatx; /*!< UART Tx DMA Handle parameters */DMA_HandleTypeDef *hdmarx; /*!< UART Rx DMA Handle parameters */HAL_LockTypeDef Lock; /*!< Locking object */__IO HAL_UART_StateTypeDef State; /*!< UART communication state */__IO uint32...
(一)、uart / usart 要注意的 API使用方法。 1.__HAL_UART_GET_FLAG 是获取 SR 寄存器标志位状态 2.__HAL_UART_CLEAR_FLAG 是清除 SR 寄存器标志位状态,不同于读改写的清零方式,这是直接清零。 3.__HAL_UART_CLEAR_xx