/*******************************************************************************
* Function Name: UART_2_SpiUartClearRxBuffer
********************************************************************************
*
* Summary:
* Clears the receive buffer and RX FIFO.
*
* Parameters:
* None
*
* Return:
* None
*
*******************************************************************************/
void UART_2_SpiUartClearRxBuffer(void)
{
#if (UART_2_CHECK_RX_SW_BUFFER)
{
/* Lock from component interruption */
UART_2_DisableInt();
/* Flush RX software buffer */
UART_2_rxBufferHead = UART_2_rxBufferTail;
UART_2_rxBufferOverflow = 0u;
UART_2_CLEAR_RX_FIFO;
UART_2_ClearRxInterruptSource(UART_2_INTR_RX_ALL);
#if (UART_2_CHECK_UART_RTS_CONTROL_FLOW)
{
/* Enable RX Not Empty interrupt source to continue receiving
* data into software buffer.
*/
UART_2_INTR_RX_MASK_REG |= UART_2_INTR_RX_NOT_EMPTY;
}
#endif
/* Release lock */
UART_2_EnableInt();
}
#else
{
UART_2_CLEAR_RX_FIFO;
}
#endif
}
/*******************************************************************************
* Function Name: UART_2_Stop
********************************************************************************
*
* Summary:
* Disables the SCB component and its interrupt.
*
* Parameters:
* None
*
* Return:
* None
*
*******************************************************************************/
void UART_2_Stop(void)
{
#if(UART_2_SCB_IRQ_INTERNAL)
UART_2_DisableInt();
#endif /* (UART_2_SCB_IRQ_INTERNAL) */
UART_2_CTRL_REG &= (uint32) ~UART_2_CTRL_ENABLED; /* Disable scb IP */
#if(UART_2_SCB_IRQ_INTERNAL)
UART_2_ClearPendingInt();
#endif /* (UART_2_SCB_IRQ_INTERNAL) */
UART_2_ScbModeStop(); /* Calls scbMode specific Stop function */
}
/*******************************************************************************
* Function Name: UART_2_SpiUartClearTxBuffer
********************************************************************************
*
* Summary:
* Clears the transmit buffer and TX FIFO.
*
* Parameters:
* None
*
* Return:
* None
*
*******************************************************************************/
void UART_2_SpiUartClearTxBuffer(void)
{
#if (UART_2_CHECK_TX_SW_BUFFER)
{
/* Lock from component interruption */
UART_2_DisableInt();
/* Flush TX software buffer */
UART_2_txBufferHead = UART_2_txBufferTail;
UART_2_INTR_TX_MASK_REG &= (uint32) ~UART_2_INTR_TX_NOT_FULL;
UART_2_CLEAR_TX_FIFO;
UART_2_ClearTxInterruptSource(UART_2_INTR_TX_ALL);
/* Release lock */
UART_2_EnableInt();
}
#else
{
UART_2_CLEAR_TX_FIFO;
}
#endif
}
