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C++ USART_ReceiveData函数代码示例

本文整理汇总了C++中USART_ReceiveData函数的典型用法代码示例。如果您正苦于以下问题：C++ USART_ReceiveData函数的具体用法？C++ USART_ReceiveData怎么用？C++ USART_ReceiveData使用的例子？那么, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了USART_ReceiveData函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: usart3_irq_handler

void usart3_irq_handler(void)
{

	/* input (RX) handler */
	if(USART_GetITStatus(USART3, USART_IT_RXNE) != RESET){
		data_buf = USART_ReceiveData(USART3);

		if(!gpc_handle_byte(data_buf)){
			LED_GREEN_TOGGLE();
		}else{
			LED_RED_ON();
		}
	}

	/* output (TX) handler */
	if(USART_GetITStatus(USART3, USART_IT_TXE) != RESET){
		if((data_buf = gpc_pickup_byte()) >= 0){
			USART_SendData(USART3, data_buf);
			LED_GREEN_TOGGLE();
		}else{
			usart_disable_send();
		}
	}
}
开发者ID:tituarte，项目名称:open-bldc，代码行数:24，代码来源:usart.c

示例2: main

int main(void)
{
RCC_Configuration();
GPIO_Configuration();
USART1_Configuration();
LED_Initialization();


USART1_puts("Hello World!\r\n");
USART1_puts("Just for STM32F429I Discovery verify USART1 with USB TTL Cable\r\n");

while(1)
{
LED3_Toggle();

if(USART_GetFlagStatus(USART1, USART_FLAG_RXNE) != RESET)
{
  char t = USART_ReceiveData(USART1);
  while(USART_GetFlagStatus(USART1, USART_FLAG_TXE) == RESET);
  USART_SendData(USART1, t);
}
}
while(1); // Don't want to exit
}
开发者ID:joelin1606，项目名称:STM32F429_Training，代码行数:24，代码来源:main.c

示例3: usart_irq_handler

static inline void usart_irq_handler(struct uart_periph* p) {

  if(USART_GetITStatus(p->reg_addr, USART_IT_TXE) != RESET){
    // check if more data to send
    if (p->tx_insert_idx != p->tx_extract_idx) {
      USART_SendData(p->reg_addr,p->tx_buf[p->tx_extract_idx]);
      p->tx_extract_idx++;
      p->tx_extract_idx %= UART_TX_BUFFER_SIZE;
    }
    else {
      p->tx_running = FALSE;   // clear running flag
      USART_ITConfig(p->reg_addr, USART_IT_TXE, DISABLE);
    }
  }

  if(USART_GetITStatus(p->reg_addr, USART_IT_RXNE) != RESET){
    uint16_t temp = (p->rx_insert_idx + 1) % UART_RX_BUFFER_SIZE;;
    p->rx_buf[p->rx_insert_idx] = USART_ReceiveData(p->reg_addr);
    // check for more room in queue
    if (temp != p->rx_extract_idx)
      p->rx_insert_idx = temp; // update insert index
  }

}
开发者ID:BrandoJS，项目名称:paparazzi，代码行数:24，代码来源:uart_arch.c

示例4: USART1_IRQHandler

void USART1_IRQHandler(void)
{
    if(SET == USART_GetITStatus(USART1, USART_IT_TXE))
    {
        USART_ClearITPendingBit(USART1, USART_IT_TXE);
        if (m_SendBuff.len > 0 )
        {
            USART_SendData(USART1, m_SendBuff.buf[m_SendBuff.ind++]);
            m_SendBuff.len--;
        }
        else
        {
            USART_ITConfig(USART1, USART_IT_TXE, DISABLE);
            USART_ITConfig(USART1, USART_IT_TC, ENABLE);
        }
    }
    else if (USART_GetITStatus(USART1, USART_IT_TC) != RESET)
    {
        USART_ClearITPendingBit(USART1, USART_IT_TC);
        USART_ITConfig(USART1, USART_IT_TC, DISABLE);
        m_SendBuff.len = 0;
        eTXIdle = TRUE;
    }
    else if (USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)
    {
        u8 ch;
        
        USART_ClearITPendingBit(USART1, USART_IT_RXNE);	
        ch = USART_ReceiveData(USART1);
        
		ReceOneChar(ch);	//IAP
//        if (receChar != NULL)
//            (*receChar)(ch);
		
    }	
}
开发者ID:lian447882949，项目名称:new.one，代码行数:36，代码来源:stm32f10x_it.c

示例5: USART1_IRQHandler

//------------------------------------------------------
void USART1_IRQHandler(void)
{
  uint8_t i;
	
  if(USART_GetITStatus(USART1, USART_IT_TXE) != RESET)
  {   
    USART_SendData(USART1, UartBuf_RD(&UartTxbuf)); //环形数据缓存发送
    if(UartBuf_Cnt(&UartTxbuf)==0)  
			USART_ITConfig(USART1, USART_IT_TXE, DISABLE);//假如缓冲空了，就关闭串口发送中断
  }
  
  else if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)
  {
				USART_ClearITPendingBit(USART1, USART_IT_RXNE);//清除接收中断标志
    //此种环形缓冲数组串口接收方式，适用于解包各种数据，很方便。对数据的要求是:
    //发送方必须要求有数据包头，以便解决串口数据无地址的问题
    Udatatmp = (uint8_t) USART_ReceiveData(USART1);          //临时数据赋值
		

     UartBuf_WD(&UartRxbuf,Udatatmp);               //写串口接收缓冲数组
    
   // if(UartBuf_Cnt(&UartRxbuf)==0) USART_SendData(USART1, '');//串口接收数组长度等于0时，发送接收数组空标志
   // if(UartBuf_Cnt(&UartRxbuf)==UartRxbuf.Mask) USART_SendData(USART1, '');//串口接收数组长度等于掩码时，发送接收缓冲满标志
//#if(BT_SRC==APP)
#ifdef BT_SRC_APP
  	CommApp(Udatatmp);//UartBuf_RD(&UartRxbuf));
#endif
#ifdef BT_SRC_PC
  	CommPC(Udatatmp);
#endif
		


	}
  
}
开发者ID:kernerl，项目名称:crazepony-firmware-none，代码行数:37，代码来源:UART1.c

示例6: UART5_IRQHandler

void UART5_IRQHandler( void )
{
	uint8_t			ch;
	rt_interrupt_enter( );
	if( USART_GetITStatus( UART5, USART_IT_RXNE ) != RESET )
	{
		ch = USART_ReceiveData( UART5 );
		if( ( ch == 0x0a ) && ( last_ch == 0x0d ) ) /*遇到0d 0a 表明结束*/
		{
			uart5_rxbuf.body[uart5_rxbuf.wr++] = ch;
			if( uart5_rxbuf.wr < 124 )
			{
				rt_mq_send( &mq_gps, (void*)&uart5_rxbuf, uart5_rxbuf.wr + 2 );
			}
			uart5_rxbuf.wr = 0;
		}else
		{ 
		      // 1. get  head char
		       if(ch=='$')                                 
			   	      uart5_rxbuf.wr = 0;
		      // 2.  judge  head char	   
		       if(uart5_rxbuf.body[0]!='$')  // add later 
			   	    uart5_rxbuf.wr = 0;
		      // 3.  rx data  	   
			uart5_rxbuf.body[uart5_rxbuf.wr++] = ch;     
			if( uart5_rxbuf.wr == UART5_RX_SIZE )
			{
				uart5_rxbuf.wr = 0;
			}
			uart5_rxbuf.body[uart5_rxbuf.wr] = 0;
		}
		last_ch = ch;
		USART_ClearITPendingBit( UART5, USART_IT_RXNE ); 
	}
	rt_interrupt_leave( );   
}
开发者ID:nathanlnw，项目名称:705_tw_ceritfy，代码行数:36，代码来源:gps.c

示例7: vUARTInterruptHandler

void vUARTInterruptHandler( void )
{
    portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
    char cChar;

    if( USART_GetITStatus( USART1, USART_IT_TXE ) == SET ) {
        /* The interrupt was caused by the THR becoming empty.  Are there any
        more characters to transmit? */
        if( xQueueReceiveFromISR( xCharsForTx, &cChar, &xHigherPriorityTaskWoken ) == pdTRUE ) {
            /* A character was retrieved from the queue so can be sent to the
            THR now. */
            USART_SendData( USART1, cChar );
        } else {
            USART_ITConfig( USART1, USART_IT_TXE, DISABLE );
        }
    }

    if( USART_GetITStatus( USART1, USART_IT_RXNE ) == SET ) {
        cChar = USART_ReceiveData( USART1 );
        xQueueSendFromISR( xRxedChars, &cChar, &xHigherPriorityTaskWoken );
    }

    portEND_SWITCHING_ISR( xHigherPriorityTaskWoken );
}
开发者ID:peterliu2，项目名称:FreeRTOS，代码行数:24，代码来源:serial.c

示例8: UsartReceive

 /**
  * @brief  UsartReceive 串口接收中断服务函数，用来控制音量
  * @param  无
  * @retval 无
  */
void UsartReceive(void)
{
	//char  text[40];
	vu16 i=0;

	if(USART_GetFlagStatus(USART1,USART_IT_RXNE)==SET)
	{	 
		USART_ClearFlag(USART1, USART_FLAG_RXNE | USART_FLAG_ORE);
	    //读数据并清 RXNE、ORE位      
		i = USART_ReceiveData(USART1);
			printf("%c",i);
		if(i == '+')
		{
			Volume_Add();
			//printf("+");

		}else if(i == '-')
		{
			Volume_Dec();
			//printf("-");
		}	
		
	}
}
开发者ID:luoxufeiyan，项目名称:STM32，代码行数:29，代码来源:bsp_usart1.c

示例9: USART1_IRQHandler

void USART1_IRQHandler(void)
{
	static u16 receiveCounter = 0;
	static u8 temp,flagStart = 0;
	
	if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)
	{
		USART_ClearITPendingBit(USART1,USART_IT_RXNE);
		
		temp = USART_ReceiveData(USART1);
		if(flagStart == 1)
		{
			receiveBuffer[receiveCounter] = temp;
			receiveCounter ++;
            
			if(receiveCounter == receiveBuffer[3])
			{
				flagStart = 0;
				receiveCounter = 0;
				uartDecode();
			}
            /* 最长的报文长度为12 */
            else if (receiveCounter > 12)
            {
                receiveCounter = 0;
                flagStart = 0;
            }
		}
		else if(temp == 0x7f)
		{
			flagStart = 1;
			receiveBuffer[receiveCounter] = temp;
			receiveCounter ++;
		}
	}
}
开发者ID:amalgam-silver，项目名称:SmartLed，代码行数:36，代码来源:BLE.c

示例10: USART2_IRQHandler

void USART2_IRQHandler(void)
{
    uint16_t SR = USART2->SR;

    //if (USART_GetITStatus(USART2, USART_IT_RXNE) == SET) {
		if (SR & USART_IT_RXNE) {
        if (uart2Callback)
            uart2Callback(USART_ReceiveData(USART2));
    }
    
		//while(USART_GetITStatus(USART2, USART_IT_TXE) == RESET); 
		
		//if (USART_GetITStatus(USART2, USART_IT_TXE) == SET) {
		if (SR & USART_FLAG_TXE) {
        if (tx2BufferTail != tx2BufferHead) {
            
						USART2->DR = tx2Buffer[tx2BufferTail];
            tx2BufferTail = (tx2BufferTail + 1) % UART2_BUFFER_SIZE;
        } else {
            USART_ITConfig(USART2, USART_IT_TXE, DISABLE);
        }
    }
		
		/*if (USART_GetITStatus(USART2, USART_IT_TC) != RESET)
    {
        // ќчищаем флаг прерывани¤ 
        USART_ClearITPendingBit(USART2, USART_IT_TC);
 
        // ќтправл¤ем байт данных
        USART_SendData(USART2, tx2Buffer[tx2BufferTail]);
 
        // ”величиваем счетчик отправленных байт
        tx2BufferTail = (tx2BufferTail + 1) % UART2_BUFFER_SIZE;
 
    }*/
}
开发者ID:OxDuke，项目名称:MahoRotorF4-Discovery，代码行数:36，代码来源:drv_uart.c

示例11: USART2_IRQHandler

void USART2_IRQHandler(void)
{
    unsigned char RxData;
//    uint32_t idx = 1;
if(USART_GetITStatus(USART2, USART_IT_RXNE) != RESET)
  {
    /* Read one byte from the receive data register */
    RxData = USART_ReceiveData(USART2);
	usart_irq_my(1, RxData);
  }

/*
    // 处理接收到的数据 
    while (USART_GetFlagStatus(USART2, USART_IT_RXNE) != RESET)
    {
        //STM_EVAL_LEDToggle(LED4);

        RxData = USART_ReceiveData(USART2);
		usart_irq_my(1, RxData);
		
       
    }
    */
}
开发者ID:idaohang，项目名称:stm32gps-stop，代码行数:24，代码来源:stm32f10x_it.c

示例12: usart3_irq_handler

void usart3_irq_handler(void) {

  if(USART_GetITStatus(USART3, USART_IT_TXE) != RESET){
    // check if more data to send
    if (uart3_tx_insert_idx != uart3_tx_extract_idx) {
      USART_SendData(USART3,uart3_tx_buffer[uart3_tx_extract_idx]);
      uart3_tx_extract_idx++;
      uart3_tx_extract_idx %= UART3_TX_BUFFER_SIZE;
    }
    else {
      uart3_tx_running = FALSE; // clear running flag
      USART_ITConfig(USART3, USART_IT_TXE, DISABLE);
    }
  }

  if(USART_GetITStatus(USART3, USART_IT_RXNE) != RESET){
    uint16_t temp = (uart3_rx_insert_idx + 1) % UART3_RX_BUFFER_SIZE;;
    uart3_rx_buffer[uart3_rx_insert_idx] = USART_ReceiveData(USART3);
    // check for more room in queue
    if (temp != uart3_rx_extract_idx)
      uart3_rx_insert_idx = temp; // update insert index
  }

}
开发者ID:hwarm，项目名称:paparazzi，代码行数:24，代码来源:uart_arch.c

示例13: USART1_IRQHandler

void USART1_IRQHandler(void)                                        //ÖжÏÒì²½½ÓÊÕÉÏλ»ú·¢ËÍÊý¾Ý
{
	if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)             //δ¸´Î»
		{
		  USART_ClearITPendingBit(USART1,USART_IT_RXNE);               //ÇåÖжÏ
			
			Uart1_Rbuf[Uart1_count]=USART_ReceiveData(USART1);
			
			Uart1_count++;
			
			if(Uart1_count>2)
				{
					
					Uart1_flag=1;                                                //ÓÐЧÊý¾Ý¿ªÊ¼                      
					
				}
			if(Uart1_count>(UART1_Buf_Num-1))
				{
					
					Uart1_count=0;
					
				}
		}
}
开发者ID:takeshineshiro，项目名称:STM32_arteriosclerosis，代码行数:24，代码来源:stm32f10x_it.c

示例14: UsartGet

// 从串口接受数据
uint8_t UsartGet(void)
{
	while (USART_GetFlagStatus(USART2, USART_FLAG_RXNE) == RESET);
	return (uint8_t)USART_ReceiveData(USART2);
}
开发者ID:SoildFaker，项目名称:stm32-quadrocopter，代码行数:6，代码来源:tools.c

示例15: enable_usart1


//.........这里部分代码省略.........
		.DMA_FIFOThreshold = DMA_FIFOThreshold_Full,
		.DMA_MemoryBurst = DMA_MemoryBurst_Single,
		.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte,
		.DMA_MemoryInc = DMA_MemoryInc_Enable,
		.DMA_Mode = DMA_Mode_Normal,
		.DMA_PeripheralBaseAddr = (uint32_t)(&(USART2->DR)),
		.DMA_PeripheralBurst = DMA_PeripheralBurst_Single,
		.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte,
		.DMA_PeripheralInc = DMA_PeripheralInc_Disable,
		.DMA_Priority = DMA_Priority_Medium,
		/* Configure TX DMA */
		.DMA_Channel = DMA_Channel_4,
		.DMA_DIR = DMA_DIR_MemoryToPeripheral,
		.DMA_Memory0BaseAddr = (uint32_t)s
	};
	DMA_Init(DMA1_Stream6, &DMA_InitStructure);

	DMA_Cmd(DMA1_Stream6, ENABLE);

	USART_DMACmd(USART2, USART_DMAReq_Tx, ENABLE);


}

int _write(int fd, char *ptr, int len)
{
	/* Write "len" of char from "ptr" to file id "fd"
	 * Return number of char written.
	 * Need implementing with UART here. */
	int i = 0;
	fd=fd;
	for (i = 0; i < len ; i++) {
		USART_SendData(PRINTF_USART, (uint8_t) *ptr);

		/* Loop until USART2 DR register is empty */
		while (USART_GetFlagStatus(PRINTF_USART, USART_FLAG_TXE) == RESET);

		ptr++;
	}

	return len;
}


xSemaphoreHandle serial_tx_wait_sem = NULL;
xQueueHandle serial_rx_queue = NULL;
xQueueHandle gps_serial_queue = NULL;
void USART3_IRQHandler(void)
{
	long lHigherPriorityTaskWoken = pdFALSE;

	serial_msg rx_msg;

	if (USART_GetITStatus(USART3, USART_IT_TXE) != RESET) {
		xSemaphoreGiveFromISR(serial_tx_wait_sem, &lHigherPriorityTaskWoken);

		USART_ITConfig(USART3, USART_IT_TXE, DISABLE);

	}
	
	if (USART_GetITStatus(USART3, USART_IT_RXNE) != RESET) {
		rx_msg.ch = USART_ReceiveData(USART3);

		if (!xQueueSendToBackFromISR(serial_rx_queue, &rx_msg, &lHigherPriorityTaskWoken))
			portEND_SWITCHING_ISR(lHigherPriorityTaskWoken);

	}

	portEND_SWITCHING_ISR(lHigherPriorityTaskWoken);
}

char usart3_read(void)
{
	serial_msg msg;

	while (!xQueueReceive(serial_rx_queue, &msg, portMAX_DELAY));

	return msg.ch;
}

void usart3_send(char str)
{
	while (!xSemaphoreTake(serial_tx_wait_sem, portMAX_DELAY));

	USART_SendData(USART3, (uint16_t)str);
	USART_ITConfig(USART3, USART_IT_TXE, ENABLE);
}

void uart8_puts(uint8_t *ptr)
{
	while(*ptr!='\0'){

		USART_SendData(PRINTF_USART, (uint8_t) *ptr);

		/* Loop until USART8 DR register is empty */
		while (USART_GetFlagStatus(PRINTF_USART, USART_FLAG_TXE) == RESET);
		ptr++;
	}

}
开发者ID:ProSlatisa，项目名称:firmware，代码行数:101，代码来源:usart.c


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