C++ (Cpp) PHAL_RUART_OP::HalRuartDmaSend示例

int32_t serial_send_stream_dma (serial_t *obj, char *ptxbuf, uint32_t len)
{
    PHAL_RUART_OP      pHalRuartOp;
    PHAL_RUART_ADAPTER pHalRuartAdapter=(PHAL_RUART_ADAPTER)&(obj->hal_uart_adp);
    u8  uart_idx = pHalRuartAdapter->UartIndex;
    int32_t ret;

    pHalRuartOp = &(obj->hal_uart_op);

    if ((serial_dma_en[uart_idx] & SERIAL_TX_DMA_EN)==0) {
        PUART_DMA_CONFIG   pHalRuartDmaCfg;
        
        pHalRuartDmaCfg = &obj->uart_gdma_cfg;
        if (HAL_OK == HalRuartTxGdmaInit(pHalRuartOp, pHalRuartAdapter, pHalRuartDmaCfg)) {
            serial_dma_en[uart_idx] |= SERIAL_TX_DMA_EN;
        }
        else {
            return HAL_BUSY;
        }
    }    
    obj->tx_len = len;
    HalRuartEnterCritical(pHalRuartAdapter);
    ret = pHalRuartOp->HalRuartDmaSend(pHalRuartAdapter, (u8*)ptxbuf, len);
    HalRuartExitCritical(pHalRuartAdapter);
    return (ret);
}

示例#2

显示文件

文件： serial_api.c 项目： geliang201201/RTL_Ameba

int32_t serial_send_stream_dma (serial_t *obj, char *ptxbuf, uint32_t len)
{
    PHAL_RUART_OP      pHalRuartOp;
    PHAL_RUART_ADAPTER pHalRuartAdapter=(PHAL_RUART_ADAPTER)&(obj->hal_uart_adp);
    u8  uart_idx = pHalRuartAdapter->UartIndex;
    int32_t ret;

    pHalRuartOp = &(obj->hal_uart_op);

    if ((serial_dma_en[uart_idx] & SERIAL_TX_DMA_EN)==0) {
        PUART_DMA_CONFIG   pHalRuartDmaCfg;
        
        pHalRuartDmaCfg = &obj->uart_gdma_cfg;
#if 0        
        pHalRuartOp->HalRuartTxGdmaLoadDef (pHalRuartAdapter, pHalRuartDmaCfg);
        pHalRuartOp->HalRuartDmaInit (pHalRuartAdapter);
        InterruptRegister(&pHalRuartDmaCfg->TxGdmaIrqHandle);
        InterruptEn(&pHalRuartDmaCfg->TxGdmaIrqHandle);
        serial_dma_en[uart_idx] |= SERIAL_TX_DMA_EN;
#else
        if (HAL_OK == HalRuartTxGdmaInit(pHalRuartOp, pHalRuartAdapter, pHalRuartDmaCfg)) {
            serial_dma_en[uart_idx] |= SERIAL_TX_DMA_EN;
        }
        else {
            return HAL_BUSY;
        }
#endif
    }    
    ret = pHalRuartOp->HalRuartDmaSend(pHalRuartAdapter, (u8*)ptxbuf, len);
    return (ret);
}