readbarcode.cpp

来自「RFID读标示例」· C++ 代码 · 共 39 行

#include "Readbarcode.h"

static UMSG g_msg;
static HANDLE g_hscan;

void BarCodeProcess(BARCODEINFO *p)
{
	memset(&g_msg, 0, sizeof(UMSG));
	g_msg.nMessage = MSG_BARCODE; 
	g_msg.nParam = p->code_length;
	g_msg.nData = (int)p->code_buf;
	g_msg.pDataEx = (void *)p->code_type;
	UPostMessage(&g_msg);
	//beep(200);
}

void OpenEngine()
{
	if(OpenScanner() < 0)
	{
		printf("open scanner fail\n");
	}

	//register callback function for receiveing codedata
	g_hscan = RegScannerCallBack(BarCodeProcess, 100);
	if(!g_hscan)
	{
		printf("regester callback fail\n");
	}	
}

void CloseEngine()
{
	if(g_hscan)
		UnRegScannerCallBack(g_hscan);
	CloseScanner();
}