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Produced: 9/27/2012 6:38:25 PM
   
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Left file: E:\uart\Uart.c     Right file: E:\uart\Uart_Modified.c  

/**	=	/**
*  \brief   Perform read/write transfer		*  \brief   Perform read/write transfer
*		*
*           This function is called from ISR and Task context to do transfer		*           This function is called from ISR and Task context to do transfer
*		*
*  \param   chanHandle     [IN]     Handle to the channel		*  \param   chanHandle     [IN]     Handle to the channel
*		*
*  \return  None		*  \return  None
*		*
*  \enter   chanHandle  must be a valid pointer and should not be null.		*  \enter   chanHandle  must be a valid pointer and should not be null.
*		*
*  \leave   Not Implemented.		*  \leave   Not Implemented.
*		*
*/		*/
static Void uartIntrHandler(Uart_ChanObj *chanHandle)		static Void uartIntrHandler(Uart_ChanObj *chanHandle)
{		{
UInt32           xfer       = 0;		UInt32           xfer       = 0;
IOM_Packet      *ioPacket   = NULL;		IOM_Packet      *ioPacket   = NULL;
Uart_Object     *instHandle = NULL;		Uart_Object     *instHandle = NULL;
#ifdef BIOS_PWRM_ENABLE		#ifdef BIOS_PWRM_ENABLE
Power_Status     status     = Power_SOK;		Power_Status     status     = Power_SOK;
UInt32           count      = 0x00;		UInt32           count      = 0x00;
#endif		#endif
assert(NULL != chanHandle);		assert(NULL != chanHandle);
instHandle = (Uart_Object*)(chanHandle->devHandle);		instHandle = (Uart_Object*)(chanHandle->devHandle);
assert(NULL != instHandle);		assert(NULL != instHandle);
/* If this is called from SWI(Tasklet) context                            */		/* If this is called from SWI(Tasklet) context                            */
if (Uart_OpMode_INTERRUPT == instHandle->opMode)		if (Uart_OpMode_INTERRUPT == instHandle->opMode)
{		{
EventCombiner_enableEvent(instHandle->deviceInfo.cpuEventNumber);		EventCombiner_enableEvent(instHandle->deviceInfo.cpuEventNumber);
}		}
ioPacket = chanHandle->activeIOP;		ioPacket = chanHandle->activeIOP;
if (NULL  != ioPacket)		if (NULL  != ioPacket)
{		{
xfer = uartXfer(chanHandle,		xfer = uartXfer(chanHandle,
chanHandle->activeBuf,		chanHandle->activeBuf,
chanHandle->bytesRemaining);		chanHandle->bytesRemaining);
chanHandle->bytesRemaining    -= xfer;		chanHandle->bytesRemaining    -= xfer;
chanHandle->activeBuf         += xfer;		chanHandle->activeBuf         += xfer;
if (Uart_INPUT == chanHandle->mode)		if (Uart_INPUT == chanHandle->mode)
{		{
instHandle->stats.rxBytes  += xfer;		instHandle->stats.rxBytes  += xfer;
/* Re-enable the interrupt here, because it was disabled in ISR   *		/* Re-enable the interrupt here, because it was disabled in ISR   *
* before posting the SWI. This interrupt will be aprropriately   *		* before posting the SWI. This interrupt will be aprropriately   *
* disabled below                                                 */		* disabled below                                                 */
	-+	if (0 != chanHandle->bytesRemaining)
		{
uartIntrEnable(instHandle, (UInt32)Uart_Intr_RHR);	=	uartIntrEnable(instHandle, (UInt32)Uart_Intr_RHR);
	-+	}
}	=	}
else		else
{		{
instHandle->stats.txBytes  += xfer;		instHandle->stats.txBytes  += xfer;
/* Re-enable the interrupt here, because it was disabled in ISR   *		/* Re-enable the interrupt here, because it was disabled in ISR   *
* before posting the SWI. This interrupt will be aprropriately   *		* before posting the SWI. This interrupt will be aprropriately   *
* disabled below                                                 */		* disabled below                                                 */
	-+	if (0 != chanHandle->bytesRemaining)
		{
uartIntrEnable(instHandle, (UInt32)Uart_Intr_THR);	=	uartIntrEnable(instHandle, (UInt32)Uart_Intr_THR);
	-+	}
}	=	}
/*** ---- ~~ Skipped Lines ~~ ---- ***/		/*** ---- ~~ Skipped Lines ~~ ---- ***/
}		}