sys.cpp

一个基于pci2000数据采集卡的数据采集系统的源代码

// Sys.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "windows.h"
#include "stdio.h"
#include "conio.h"

#include "pci2000.h"

int main(int argc, char* argv[])
{
	HANDLE hDevice;
	int DeviceID;
	PCI2000_PARA_AD Para;
	WORD InUserRegion[ 8192 ];
	int ReadSizeWords; 
	int nChannelNumber;
	int nRemainder;
	

	DeviceID = 0;
	Para.FirstChannel = 0;
	Para.LastChannel = 4;
	Para.TriggerMode = PCI2000_IN_TRIGGER;
	Para.Gains = 1;
	Para.Frequence = 1000;

	nChannelNumber = Para.LastChannel - Para.FirstChannel + 1;

	ReadSizeWords = 512;
	nRemainder = ReadSizeWords % nChannelNumber;
	ReadSizeWords = ReadSizeWords - nRemainder;

	hDevice = PCI2000_CreateDevice( DeviceID );

	PCI2000_InitDeviceProAD( hDevice, &Para); // 硬件参数, 它仅在此函数中决定硬件状态

	while ( ! kbhit() )
	{
		while ( ! PCI2000_GetDevStatusAD_Half( hDevice ) )
		{
			;
		}

		PCI2000_ReadDeviceProAD_Half( hDevice, InUserRegion, ReadSizeWords );

		for( int i = 0; i < 30; i ++ )
		{
			// 按照-5V --- +5V 量程转换为电压值
			printf("%8.2f \t" , ( InUserRegion[i]&0xfff ) / 4096.0 * 10.0 - 5.0 ); 
			if ( ( i + 1 ) % 5 == 0 )
				printf( "\n" );
		}
		
	}
	PCI2000_ReleaseDeviceProAD( hDevice );
	PCI2000_ReleaseDevice( hDevice );

	
	return 0;
}