C++ (Cpp) hal_uart_get示例

示例#1

文件： uart_phy.c 项目： X13home/X13.devices

void * UART_Get(void)
{
    uart_tx_task();
    
    // Rx Task
    static uint8_t  rx_pos = 0;
    static uint8_t  rx_len = 0;
    static MQ_t   * pRx_buf;
    static uint16_t rx_wd = 0;

    while(hal_uart_datardy(UART_PHY_PORT))
    {
        uint8_t data = hal_uart_get(UART_PHY_PORT);

        rx_wd = (HAL_get_ms() & 0xFFFF);

        if(rx_len == 0)
        {
            if((data >= 2) && (data < sizeof(MQTTSN_MESSAGE_t)))
            {
                pRx_buf = mqAlloc(sizeof(MQ_t));
                rx_len = data;
                rx_pos = 0;
            }
        }
        else
        {
            if(rx_pos < sizeof(MQTTSN_MESSAGE_t))
                pRx_buf->m.raw[rx_pos++] = data;

            if(rx_pos == rx_len)
            {
                memcpy(pRx_buf->a.phy1addr, (const void *)&uart_addr, sizeof(UART_ADDR_t));
                pRx_buf->Length = rx_len;
                rx_len = 0;
#ifdef LED_On
                LED_On();
#endif  //  LED_On
                return pRx_buf;
            }
        }
    }

    if((rx_len != 0) && (((HAL_get_ms() & 0xFFFF) - rx_wd) > 100))
    {
        rx_len = 0;
        mqFree(pRx_buf);
    }

    return NULL;
}

示例#2

文件： uart_phy.c 项目： Wassili-Hense/Vers3

void * UART_Get(void)
{
    uart_tx_task();

    // Rx Task
    static uint8_t  rx_pos = 0;
    static uint8_t  rx_len = 0;
    static MQ_t   * pRx_buf;
    static uint32_t  rx_wd = 0;

    while(hal_uart_datardy(UART_PHY_PORT))
    {
        uint8_t data = hal_uart_get(UART_PHY_PORT);

        rx_wd = hal_get_ms() + 50;

        if(rx_len == 0)
        {
            if(data >= 2)
            {
                pRx_buf = mqAlloc(sizeof(MQ_t));
                if(pRx_buf != NULL)
                    rx_len = data;

                rx_pos = 0;
            }
        }
        else
        {
            if(rx_pos < sizeof(MQTTSN_MESSAGE_t))
                pRx_buf->raw[rx_pos++] = data;

            if(rx_pos == rx_len)
            {
                memcpy(pRx_buf->phy1addr, (const void *)&uart_addr, sizeof(UART_ADDR_t));
                pRx_buf->Length = rx_len;
                rx_len = 0;
                Activity(UART_PHY);
                return pRx_buf;
            }
        }
    }

    if((rx_len != 0) && (rx_wd < hal_get_ms()))
        rx_len = 0;

    return NULL;
}

示例#3

文件： extser.c 项目： Wassili-Hense/Vers3

void serProc(void)
{
    uint8_t port;

    for(port = 0; port < EXTSER_USED; port++)
    {
        if(extSerV[port] != NULL)
        {
            if(extSerV[port]->flags & EXTSER_FLAG_TXEN)
            {
                if((extSerV[port]->pTxBuf != NULL) && (hal_uart_free(port)))
                {
                    mqFree(extSerV[port]->pTxBuf);
                    extSerV[port]->pTxBuf = NULL;
                }
            }
            
            if(extSerV[port]->flags & EXTSER_FLAG_RXEN)
            {
                if(hal_uart_datardy(port))
                {
                    uint8_t tmphead = extSerV[port]->RxHead + 1;
                    if(tmphead >= sizeof(MQ_t))
                        tmphead = 0;

                    if(tmphead != extSerV[port]->RxTail)
                    {
                        extSerV[port]->pRxBuf[extSerV[port]->RxHead] = hal_uart_get(port);
                        extSerV[port]->RxHead = tmphead;
                        
                        uint8_t size;
                        
                        if(tmphead > extSerV[port]->RxTail)
                            size = tmphead - extSerV[port]->RxTail;
                        else
                            size = sizeof(MQ_t) - extSerV[port]->RxTail + tmphead;
                            
                        if(size < (sizeof(MQ_t)/2))
                            extSerV[port]->flags &= ~EXTSER_FLAG_RXRDY;
                        else
                            extSerV[port]->flags |= EXTSER_FLAG_RXRDY;
                    }
                }
            }
        }
    }
}