Esempio n. 1
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/*FUNCTION**********************************************************************
 *
 * Function Name : LPSCI_DRV_Deinit
 * Description   : This function shuts down the LPSCI by disabling interrupts
 * and the transmitter/receiver.
 *
 *END**************************************************************************/
void LPSCI_DRV_Deinit(uint32_t instance)
{
    assert(instance < HW_UART0_INSTANCE_COUNT);

    uint32_t baseAddr = g_lpsciBaseAddr[instance];
    lpsci_state_t * lpsciState = (lpsci_state_t *)g_lpsciStatePtr[instance];

    /* Wait until the data is completely shifted out of shift register */
    while(!(LPSCI_HAL_IsTxComplete(baseAddr))) { }

    /* Disable the interrupt */
    INT_SYS_DisableIRQ(g_lpsciRxTxIrqId[instance]);

    /* Disable TX and RX */
    LPSCI_HAL_DisableTransmitter(baseAddr);
    LPSCI_HAL_DisableReceiver(baseAddr);

    /* Destroy TX and RX sema. */
    OSA_SemaDestroy(&lpsciState->txIrqSync);
    OSA_SemaDestroy(&lpsciState->rxIrqSync);

    /* Cleared state pointer. */
    g_lpsciStatePtr[instance] = NULL;

    /* Gate LPSCI module clock */
    CLOCK_SYS_DisableUartClock(instance);
}
Esempio n. 2
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/*FUNCTION**********************************************************************
 *
 * Function Name : LPUART_DRV_Deinit
 * Description   : This function shuts down the UART by disabling interrupts and
 *                 transmitter/receiver.
 *
 *END**************************************************************************/
lpuart_status_t LPUART_DRV_Deinit(uint32_t instance)
{
    assert(instance < LPUART_INSTANCE_COUNT);

    /* Exit if current instance is already de-initialized or is gated.*/
    if ((!g_lpuartStatePtr[instance]) || (!CLOCK_SYS_GetLpuartGateCmd(instance)))
    {
        return kStatus_LPUART_Fail;
    }

    LPUART_Type * base = g_lpuartBase[instance];
    lpuart_state_t * lpuartState = (lpuart_state_t *)g_lpuartStatePtr[instance];

    /* Wait until the data is completely shifted out of shift register */
    while (!LPUART_BRD_STAT_TC(base)) {}

    /* Disable LPUART interrupt. */
    INT_SYS_DisableIRQ(g_lpuartRxTxIrqId[instance]);

    /* disable tx and rx */
    LPUART_HAL_SetTransmitterCmd(base, false);
    LPUART_HAL_SetReceiverCmd(base, false);

    /* Destroy TX and RX sema. */
    OSA_SemaDestroy(&lpuartState->txIrqSync);
    OSA_SemaDestroy(&lpuartState->rxIrqSync);

    /* Clear our saved pointer to the state structure */
    g_lpuartStatePtr[instance] = NULL;

    /* gate lpuart module clock */
    CLOCK_SYS_DisableLpuartClock(instance);

    return kStatus_LPUART_Success;
}
/*FUNCTION**********************************************************************
*
* Function Name : TSI_DRV_DeInit
* Description   : De initialize whole the TSI peripheral and driver to be ready
* for any future use and don't load the system.
*
*END**************************************************************************/
tsi_status_t TSI_DRV_DeInit(uint32_t instance)
{
    assert(instance < TSI_INSTANCE_COUNT);

    TSI_Type * base = g_tsiBase[instance];
    tsi_state_t * tsiState = g_tsiStatePtr[instance];

    if (tsiState == NULL)
    {
        return kStatus_TSI_Error;
    }

    TSI_HAL_DisableInterrupt(base);
    tsiState->opModesData[tsiState->opMode].enabledElectrodes = 0;
    TSI_HAL_ClearOutOfRangeFlag(base);
    TSI_HAL_ClearEndOfScanFlag(base);
    TSI_HAL_DisableModule(base);

    /* Disable the interrupt */
    INT_SYS_DisableIRQ(g_tsiIrqId[instance]);

    /* Destroy the interrupt synch object*/
    OSA_SemaDestroy(&tsiState->irqSync);

    /* Clear runtime structure pointer.*/
    tsiState = NULL;

    /* Gate TSI module clock */
    CLOCK_SYS_DisableTsiClock(instance);

    return kStatus_TSI_Success;
}
Esempio n. 4
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/*FUNCTION**********************************************************************
 *
 * Function Name : DSPI_DRV_DmaMasterDeinit
 * Description   : Shuts down a DSPI instance with DMA support.
 *
 * This function resets the DSPI peripheral, gates its clock, disables any used interrupts to
 * the core, and releases any used DMA channels.
 *
 *END**************************************************************************/
dspi_status_t DSPI_DRV_DmaMasterDeinit(uint32_t instance)
{
    /* instantiate local variable of type dspi_dma_master_state_t and point to global state */
    dspi_dma_master_state_t * dspiDmaState = (dspi_dma_master_state_t *)g_dspiStatePtr[instance];
    SPI_Type *base = g_dspiBase[instance];

    /* First stop transfers */
    DSPI_HAL_StopTransfer(base);

    /* Restore the module to defaults then power it down. This also disables the DSPI module.*/
    DSPI_HAL_Init(base);

    /* destroy the interrupt sync object.*/
    OSA_SemaDestroy(&dspiDmaState->irqSync);

    /* disable the interrupt*/
    INT_SYS_DisableIRQ(g_dspiIrqId[instance]);

    /* Gate the clock for DSPI.*/
    CLOCK_SYS_DisableSpiClock(instance);

    /* Release all of the DMA channels used in the driver. DMA channel structures are stored in
     * the run-time state structure.
     */
    DMA_DRV_FreeChannel(&dspiDmaState->dmaTxDataChannel);
    DMA_DRV_FreeChannel(&dspiDmaState->dmaTxCmdChannel);
    DMA_DRV_FreeChannel(&dspiDmaState->dmaRxChannel);

    /* Clear state pointer. */
    g_dspiStatePtr[instance] = NULL;

    return kStatus_DSPI_Success;
}
/*FUNCTION**********************************************************************
 *
 * Function Name : SPI_DRV_DmaMasterDeinit
 * Description   : Shuts down a SPI instance with DMA support.
 *
 * This function resets the SPI peripheral, gates its clock, disables any used interrupts to
 * the core, and releases any used DMA channels.
 *
 *END**************************************************************************/
spi_status_t SPI_DRV_DmaMasterDeinit(uint32_t instance)
{
    /* instantiate local variable of type spi_dma_master_state_t and point to global state */
    spi_dma_master_state_t * spiDmaState = (spi_dma_master_state_t *)g_spiStatePtr[instance];
    SPI_Type *base = g_spiBase[instance];

    /* Restore the module to defaults which includes disabling the SPI then power it down.*/
    SPI_HAL_Init(base);

    /* destroy the interrupt sync object.*/
    OSA_SemaDestroy(&spiDmaState->irqSync);

    /* Disable SPI interrupt.*/
    INT_SYS_DisableIRQ(g_spiIrqId[instance]);

    /* Gate the clock for SPI.*/
    CLOCK_SYS_DisableSpiClock(instance);

    /* Free DMA channels */
    DMA_DRV_FreeChannel(&spiDmaState->dmaReceive);
    DMA_DRV_FreeChannel(&spiDmaState->dmaTransmit);

    /* Clear state pointer. */
    g_spiStatePtr[instance] = NULL;

    return kStatus_SPI_Success;
}
Esempio n. 6
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/*FUNCTION**********************************************************************
 *
 * Function Name : DSPI_DRV_MasterDeinit
 * Description   : Shutdown a DSPI instance.
 * This function resets the DSPI peripheral, gates its clock, and disables the interrupt to
 * the core.
 *
 *END**************************************************************************/
dspi_status_t DSPI_DRV_MasterDeinit(uint32_t instance)
{
    /* instantiate local variable of type dspi_master_state_t and point to global state */
    dspi_master_state_t * dspiState = (dspi_master_state_t *)g_dspiStatePtr[instance];
    SPI_Type *base = g_dspiBase[instance];

    /* First stop transfers */
    DSPI_HAL_StopTransfer(base);

    /* Restore the module to defaults then power it down. This also disables the DSPI module.*/
    DSPI_HAL_Init(base);

    /* destroy the interrupt sync object.*/
    OSA_SemaDestroy(&dspiState->irqSync);

    /* disable the interrupt*/
    INT_SYS_DisableIRQ(g_dspiIrqId[instance]);

    /* Gate the clock for DSPI.*/
    CLOCK_SYS_DisableSpiClock(instance);

    /* Clear state pointer. */
    g_dspiStatePtr[instance] = NULL;

    return kStatus_DSPI_Success;
}
uint32_t OS_Sem_destroy(os_sem_handle handle)
{
    if (kStatus_OSA_Success == OSA_SemaDestroy((semaphore_t*) handle))
    {
        OSA_MemFree(handle);
        return (uint32_t) OS_SEM_OK;
    }
    else
    {
        return (uint32_t) OS_SEM_ERROR;
    }
}
/*FUNCTION**********************************************************************
 *
 * Function Name : UART_DRV_DmaDeinit
 * Description   : This function shuts down the UART by disabling UART DMA and
 *                 the transmitter/receiver.
 *
 *END**************************************************************************/
uart_status_t UART_DRV_DmaDeinit(uint32_t instance)
{
    assert(instance < UART_INSTANCE_COUNT);
    assert(g_uartBase[instance]);

    /* Exit if current instance is already de-initialized or is gated.*/
    if ((!g_uartStatePtr[instance]) || (!CLOCK_SYS_GetUartGateCmd(instance)))
    {
        return kStatus_UART_Fail;
    }

    UART_Type * base = g_uartBase[instance];
    uart_dma_state_t * uartDmaState = (uart_dma_state_t *)g_uartStatePtr[instance];

    /* Wait until the data is completely shifted out of shift register */
    while(!(UART_BRD_S1_TC(base))) { }

    UART_HAL_SetTxDmaCmd(base, false);
    UART_HAL_SetRxDmaCmd(base, false);

    /* Release DMA channel. */
    DMA_DRV_FreeChannel(&uartDmaState->dmaUartRx);
    DMA_DRV_FreeChannel(&uartDmaState->dmaUartTx);

    /* Disable TX and RX */
    UART_HAL_DisableTransmitter(base);
    UART_HAL_DisableReceiver(base);

    /* Destroy TX and RX sema. */
    OSA_SemaDestroy(&uartDmaState->txIrqSync);
    OSA_SemaDestroy(&uartDmaState->rxIrqSync);

    /* Cleared state pointer. */
    g_uartStatePtr[instance] = NULL;

    /* Gate UART module clock */
    CLOCK_SYS_DisableUartClock(instance);

    return kStatus_UART_Success;
}
Esempio n. 9
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/*FUNCTION**********************************************************************
 *
 * Function Name : LPSCI_DRV_DmaDeinit
 * Description   : This function shuts down the LPSCI by disabling LPSCI DMA and
 *                 the transmitter/receiver.
 *
 *END**************************************************************************/
lpsci_status_t LPSCI_DRV_DmaDeinit(uint32_t instance)
{
    assert(instance < UART0_INSTANCE_COUNT);

    /* Exit if current instance is already de-initialized or is gated.*/
    if ((!g_lpsciStatePtr[instance]) || (!CLOCK_SYS_GetLpsciGateCmd(instance)))
    {
        return kStatus_LPSCI_Fail;
    }

    UART0_Type * base = g_lpsciBase[instance];
    lpsci_dma_state_t * lpsciDmaState = (lpsci_dma_state_t *)g_lpsciStatePtr[instance];

    /* Wait until the data is completely shifted out of shift register */
    while(!(UART0_BRD_S1_TC(base))) { }

    LPSCI_HAL_SetTxDmaCmd(base, false);
    LPSCI_HAL_SetRxDmaCmd(base, false);

    /* Release DMA channel. */
    DMA_DRV_FreeChannel(&lpsciDmaState->dmaLpsciRx);
    DMA_DRV_FreeChannel(&lpsciDmaState->dmaLpsciTx);

    /* Disable TX and RX */
    LPSCI_HAL_DisableTransmitter(base);
    LPSCI_HAL_DisableReceiver(base);

    /* Destroy TX and RX sema. */
    OSA_SemaDestroy(&lpsciDmaState->txIrqSync);
    OSA_SemaDestroy(&lpsciDmaState->rxIrqSync);

    /* Cleared state pointer. */
    g_lpsciStatePtr[instance] = NULL;

    /* Gate LPSCI module clock */
    CLOCK_SYS_DisableLpsciClock(instance);

    return kStatus_LPSCI_Success;
}
/*FUNCTION**********************************************************************
 *
 * Function Name : LPUART_DRV_EdmaDeinit
 * Description   : This function shuts down the LPUART by disabling LPUART DMA and
 *                 the transmitter/receiver.
 *
 *END**************************************************************************/
lpuart_status_t LPUART_DRV_EdmaDeinit(uint32_t instance)
{
    assert(instance < LPUART_INSTANCE_COUNT);

    /* Exit if current instance is already de-initialized or is gated.*/
    if ((!g_lpuartStatePtr[instance]) || (!CLOCK_SYS_GetLpuartGateCmd(instance)))
    {
        return kStatus_LPUART_Fail;
    }

    LPUART_Type * base = g_lpuartBase[instance];
    lpuart_edma_state_t * lpuartEdmaState = (lpuart_edma_state_t *)g_lpuartStatePtr[instance];

    /* Wait until the data is completely shifted out of shift register */
    while(!(LPUART_BRD_STAT_TC(base))) { }

    LPUART_HAL_SetTxDmaCmd(base, false);
    LPUART_HAL_SetRxDmaCmd(base, false);

    /* Release DMA channel. */
    EDMA_DRV_ReleaseChannel(&lpuartEdmaState->edmaLpuartRx);
    EDMA_DRV_ReleaseChannel(&lpuartEdmaState->edmaLpuartTx);

    /* Disable TX and RX */
    LPUART_HAL_SetTransmitterCmd(base, false);
    LPUART_HAL_SetReceiverCmd(base, false);

    /* Destroy TX and RX sema. */
    OSA_SemaDestroy(&lpuartEdmaState->txIrqSync);
    OSA_SemaDestroy(&lpuartEdmaState->rxIrqSync);

    /* Cleared state pointer. */
    g_lpuartStatePtr[instance] = NULL;

    /* Gate LPUART module clock */
    CLOCK_SYS_DisableLpuartClock(instance);

    return kStatus_LPUART_Success;
}
Esempio n. 11
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/*FUNCTION*********************************************************************
*
* Function Name : SND_RxDeinit
* Description	: Deinit the rx soundcard.
*  The soundcard includes a controller and a codec.
*END**************************************************************************/
snd_status_t SND_RxDeinit(sound_card_t *card)
{
    audio_controller_t *ctrl = &card->controller;
    audio_codec_t *codec = &card->codec;
    audio_buffer_t *buffer = &card->buffer;
    /* Call the deinit function of the ctrl and codec. */
    ctrl->ops->Ctrl_RxDeinit(ctrl->instance);
    codec->ops->Codec_Deinit((void *)codec->handler);
#if USEDMA
    /* Deinit the dma resource */
    EDMA_DRV_StopChannel(&ctrl->dma_channel);
    EDMA_DRV_ReleaseChannel(&ctrl->dma_channel);
#endif
    OSA_SemaDestroy(&buffer->sem);
#if !SOUNDCARD_USE_STATIC_MEM
    /* Free the tx and rx buffer. */
    OSA_MemFree(buffer->buff);
#endif
    return kStatus_SND_Success;
}
Esempio n. 12
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static int nio_dummy_deinit(void *dev_context, int *error) {
    OSA_SemaDestroy(&((NIO_DUMMY_DEV_CONTEXT_STRUCT*)dev_context)->lock);
    OSA_MemFree(dev_context);
    return 0;
}
/*FUNCTION**********************************************************************
 *
 * Function Name : OSA_MsgQDestroy
 * Description   : This function is used to destroy the message queue.
 * Return kStatus_OSA_Success if the message queue is destroyed successfully,
 * otherwise return kStatus_OSA_Error.
 *
 *END**************************************************************************/
osa_status_t OSA_MsgQDestroy(msg_queue_handler_t handler)
{
    assert(handler);
    return OSA_SemaDestroy(&handler->queueSem);
}