/*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);
}
/*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;
}
/*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;
}
/*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;
}
/*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;
}
/*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;
}
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);
}
