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- serial_raw for win32: transmit data implemented

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This commit is contained in:
Volker Ruppert 2004-03-12 14:33:22 +00:00
parent dfef46e311
commit 222cf871fd
1 changed files with 18 additions and 1 deletions
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19
bochs/iodev/serial_raw.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: serial_raw.cc,v 1.10 2004-03-09 21:58:37 vruppert Exp $
// $Id: serial_raw.cc,v 1.11 2004-03-12 14:33:22 vruppert Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2004 MandrakeSoft S.A.
@ -221,12 +221,29 @@ serial_raw::setup_port ()
void
serial_raw::transmit (int val)
{
#ifdef WIN32
DWORD DErr, Len2;
OVERLAPPED tx_ovl;
#endif
BX_DEBUG (("transmit %d", val));
if (present) {
#ifdef WIN32
if (DCBchanged) {
setup_port();
} else {
ClearCommError(hCOM, &DErr, NULL);
}
memset(&tx_ovl, 0, sizeof(OVERLAPPED));
tx_ovl.hEvent = CreateEvent(NULL,TRUE,TRUE,"transmit");
if (!WriteFile(hCOM, &val, 1, &Len2, &tx_ovl)) {
if (GetLastError() == ERROR_IO_PENDING) {
if (WaitForSingleObject(tx_ovl.hEvent, 100) == WAIT_OBJECT_0) {
GetOverlappedResult(hCOM, &tx_ovl, &Len2, FALSE);
}
}
}
if (Len2 != 1) BX_ERROR(("transmit failed: len = %d", Len2));
#endif
}
}