// blocking call starts a rx or tx transaction
static
DWORD
SendRecvData(
UINT32 epNum,
DWORD dir,
UINT8 *pData,
UINT32 cbDataLen,
DWORD flags
)
{
DWORD dwStartSec, dwSec;
DWORD dwRet;
EPTransfer* pTransfer = &m_epTransfers[epNum];
USBDBGMSG(USBDBG_ZONE_FUNC, (L"usbdbg:+SendRecvData. ep%d\r\n", epNum));
dwStartSec = OEMKitlGetSecs();
// start rx or tx transfer
StartTransfer(epNum, dir, pData, cbDataLen, flags);
// loop until all data sent
while(pTransfer->status & USBDBG_TRANSFER_STATUS_INPROGRESS)
{
UsbRndis_EventHandler();
dwSec = OEMKitlGetSecs();
// timed out sending data?
if ((INT32)(dwSec - dwStartSec) > SEND_RECV_TIME_OUT)
{
USBDBGMSG(USBDBG_ZONE_ERROR, (
L"ERROR!UsbDbg: ep%d dir=%d timed out tx/rx data."
L"dwSec=%d, dwStartSec=%d\r\n",
epNum, dir, dwSec, dwStartSec));
dwRet = ERROR_TIMEOUT;
AbortTransfer(epNum, dir);
goto clean;
}
}
if (pTransfer->status & USBDBG_TRANSFER_STATUS_COMPLETE)
{
dwRet = ERROR_SUCCESS;
}
else
{
dwRet = ERROR_IO_INCOMPLETE;
}
clean:
USBDBGMSG(USBDBG_ZONE_FUNC, (L"usbdbg:-SendRecvData. ep%d\r\n", epNum));
return dwRet;
}
UINT32 OALGetTickCount()
{
return OEMKitlGetSecs () * 1000;
}
