[Com0com-cvs] com0com/sys bufutils.c,1.9,1.10

[Vyacheslav F. <vf...@us...>]

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 */