Update of /cvsroot/com0com/com0com/sys
In directory sc8-pr-cvs4.sourceforge.net:/tmp/cvs-serv3681
Modified Files:
bufutils.c
Log Message:
Added missing *pOverrun initialization
Changed TX FIFO writing emulation to be interrupt driven
Index: bufutils.c
===================================================================
RCS file: /cvsroot/com0com/com0com/sys/bufutils.c,v
retrieving revision 1.9
retrieving revision 1.10
diff -C2 -d -r1.9 -r1.10
*** bufutils.c 20 Jul 2007 08:00:22 -0000 1.9
--- bufutils.c 5 Oct 2007 07:34:21 -0000 1.10
***************
*** 20,23 ****
--- 20,27 ----
*
* $Log$
+ * Revision 1.10 2007/10/05 07:34:21 vfrolov
+ * Added missing *pOverrun initialization
+ * Changed TX FIFO writing emulation to be interrupt driven
+ *
* Revision 1.9 2007/07/20 08:00:22 vfrolov
* Implemented TX buffer
***************
*** 317,320 ****
--- 321,327 ----
PUCHAR pWriteBuf = (PUCHAR)pWrite;
+ if (pOverrun)
+ *pOverrun = 0;
+
while (writeLength) {
SIZE_T readDone, writeDone;
***************
*** 334,339 ****
pWriteBuf += writeDone;
- } else {
- *pOverrun = 0;
}
}
--- 341,344 ----
***************
*** 596,602 ****
SIZE_T writeLength)
{
! PUCHAR pWriteBuf = (PUCHAR)pWrite;
! while (writeLength && pTxBuf->busy < C0C_TX_BUFFER_SIZE(pTxBuf)) {
SIZE_T readLength;
PUCHAR pReadBuf;
--- 601,622 ----
SIZE_T writeLength)
{
! PUCHAR pWriteBuf;
! SIZE_T sizeTxBuf;
! /* Writing to TX FIFO is interrupt driven so we can write only if it's empty */
!
! if (!C0C_TX_BUFFER_THR_EMPTY(pTxBuf))
! return 0;
!
! sizeTxBuf = C0C_TX_BUFFER_SIZE(pTxBuf);
!
! /* Write not more then TxFIFO registry value */
!
! if (writeLength > sizeTxBuf - 1)
! writeLength = sizeTxBuf - 1;
!
! pWriteBuf = (PUCHAR)pWrite;
!
! while (writeLength && pTxBuf->busy < sizeTxBuf) {
SIZE_T readLength;
PUCHAR pReadBuf;
***************
*** 683,687 ****
UNREFERENCED_PARAMETER(cleanFifo);
! size = 1;
size += 1; /* add shift register */
--- 703,707 ----
UNREFERENCED_PARAMETER(cleanFifo);
! size = sizeof(pTxBuf->leastBuf) - 1;
size += 1; /* add shift register */
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