ICP DAS USA PCI-1202 Series, Руководство пользователя

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PCI-1202/1602/180x Series Card
Multi-Function Boards
User Manual/ Ver. 4.8/ Mar. 2015/ PMH-0014-48/ Page: 72
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The source code of the post-trigger function (Windows version) is given as follows:
P180x_StartScanPostTrg(…) is designed for PCI-1800/1802 series
P1202_StartScanPostTrg(…) is designed for PEX-1202 and PCI-1202 series
P1602_StartScanPostTrg(…) is designed for PCI-1602 series
WORD CALLBACK
P180X_StartScanPostTrg (WORD wSampleRateDiv, DWORD dwNum, SHORT
nPriority)
{
disable_timer0();
// disable internal pacer timer
disable_timer1(); // disable external pacer timer
wVal=pic_control(0xD400);
/* 11?1 01?? ???? ???? cmd_101=start scan */
if (wVal!=0) return(wVal);
_outpw(wAddrCtrl,0xf000);
// 1. disable all external trigger
enable_timer1(wSampleRateDiv); // 2. Sampling rate=8M/dwSampleRateDiv
_outpw(wAddrCtrl,0x7000); // 3. B15=0,S2=1,S1=S0=0 --> clr FIFO
_outpw(wAddrCtrl,0xf000); // 3. B15=1,S2=1,S1=S0=0 --> disable timer-1
_outpw(wAddrCtrl,0xfc00); // 4. S2=1, S1=1, S0=1 --> wait ext signal to
// enable timer-1
// create magicscan thread
InitializeCriticalSection(&MagicScan_CS);
wThreadStatus=0; wAskThreadStop=0;
hThread=CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)magic_scan,
NULL, 0,&dwThreadID); // can use all MagicScan functions
SetThreadPriority(hThread,nPriority);
i=0;
for(;;)
{
EnterCriticalSection(&MagicScan_CS);
j=wThreadStatus;
LeaveCriticalSection(&MagicScan_CS);
if (j!=0) break;
i++; Sleep(1);
if (i>1000) return(ThreadCreateError);
}
return(NoError);
}