gpsapi.cpp

Gpsapi 2.0(标准mobile接口)

// Gpsapi.cpp : 定义 DLL 应用程序的入口点。
//

#include "stdafx.h"
#include "Gpsapi.h"
#include "GpsControl.h"

BOOL APIENTRY DllMain( HANDLE hModule, 
                       DWORD  ul_reason_for_call, 
                       LPVOID lpReserved
					 )
{
	switch (ul_reason_for_call)
	{
	case DLL_PROCESS_ATTACH:
	case DLL_THREAD_ATTACH:
	case DLL_THREAD_DETACH:
	case DLL_PROCESS_DETACH:
		break;
	}
    return TRUE;
}

GPSAPI_API HANDLE GPSOpenDevice(HANDLE hNewLocationData,HANDLE hDeviceStateChange, const WCHAR* szDeviceName,DWORD dwFlags)
{
	CGpsControl *pGpsContor = new CGpsControl();
	pGpsContor->Config(5, 9600, 8);
	pGpsContor->SetNewHandle(hNewLocationData);
	if(pGpsContor->Create())
	{
		return (HANDLE)pGpsContor;
	}
	else
	{
		delete pGpsContor;
		pGpsContor = NULL;
		return (HANDLE)pGpsContor;
	}
}
GPSAPI_API DWORD  GPSCloseDevice(HANDLE hGPSDevice )
{
	if (hGPSDevice == NULL)
	{
		return ERROR_INVALID_HANDLE;
	}

	CGpsControl *pGpsControl = (CGpsControl*)hGPSDevice;
	if (!pGpsControl)
	{
		return ERROR_INVALID_HANDLE;
	}
	pGpsControl->Destroy();
	return ERROR_SUCCESS;
}

GPSAPI_API BOOL GPSResetDevice(HANDLE hGPSDevice)
{
	if (hGPSDevice == NULL)
	{
		return FALSE;
	}

	CGpsControl *pGpsControl = (CGpsControl*)hGPSDevice;
	if (!pGpsControl)
	{
		return FALSE;
	}
	pGpsControl->PowerReset();
	return TRUE;

}

GPSAPI_API DWORD GPSGetPosition(HANDLE hGPSDevice, GPS_POSITION *pGPSPosition, DWORD dwMaximumAge, DWORD dwFlags)
{
	if (hGPSDevice == NULL)
	{
		return ERROR_INVALID_HANDLE;
	}

	if (pGPSPosition == NULL)
	{
		return ERROR_ACCESS_DENIED;
	}

	CGpsControl *pGpsContor = (CGpsControl*)hGPSDevice;
	if (!pGpsContor)
	{
		return ERROR_INVALID_HANDLE;
	}
	GPS_POSITION *pdata = pGpsContor->GetAllData();
	memcpy(pGPSPosition, pdata, sizeof(GPS_POSITION));
	return ERROR_SUCCESS;
}