mydaqcard.cpp

C8051F320做的USB示波器。简单实现

// MyDAQCard.cpp: implementation of the CMyDAQCard class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "MyDAQCard.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CMyDAQCard::CMyDAQCard()
{
	 hInst = LoadLibrary("StoneDAQ.dll");

	 if (hInst != NULL)
	 {
		tbdml_init = ( LPUCV)GetProcAddress(hInst, "_tbdml_init@0");
		tbdml_open = ( LPUCUC)GetProcAddress(hInst, "_tbdml_open@4");
		tbdml_close = ( LPVV)GetProcAddress(hInst, "_tbdml_close@0");

		tbdml_read_channel = ( LPVUIPUC)GetProcAddress(hInst,"_tbdml_read_channel@8");
		tbdml_write_channel = (LPVUIPUC)GetProcAddress(hInst,"_tbdml_write_channel@8");
		tbdml_read_channel3 = (LPVUIPUC)GetProcAddress(hInst,"_tbdml_read_channel3@8");
	 }

}

CMyDAQCard::~CMyDAQCard()
{
	if(hInst != NULL)
			 FreeLibrary(hInst);
}

unsigned char CMyDAQCard::Init()
{
	return tbdml_init();
}

unsigned char CMyDAQCard::Open(unsigned char nNum)
{
	return tbdml_open(nNum);
}



void CMyDAQCard::Close()
{
	tbdml_close();
}

int CMyDAQCard::ReadData(int nCount, unsigned char *pData)
{
	tbdml_read_channel(nCount,pData);
	return *pData;
}

void CMyDAQCard::WriteData(int nCount, unsigned char *pData)
{
	tbdml_write_channel(nCount,pData);
}

void CMyDAQCard::ReadCh3(unsigned int Count, unsigned char *pData)
{
	tbdml_read_channel3(Count,pData);
}