myvtm/DevAdapter/self/gpio/VirtualDeviceClass.cpp

#include "VirtualDeviceClass.h"
#include "libGPIOLoader.h"

static VirtualDeviceClassImpl* object = NULL;

DEVICEBASE_API ErrorCodeEnum  CreateDevComponent(DeviceBaseClass*& pOutDevAptObj)
{
	ErrorCodeEnum result(Error_Unexpect);
	if (object == NULL) {
		char* buf;
		DWORD size;
		const char* var = "INVOKE_VENDOR_ADAPTER_NAME";
		size = GetEnvironmentVariableA(var, NULL, 0);
		//ERROR_ENVVAR_NOT_FOUND
		if (size <= 0) {
			return Error_InvalidState;
		}
		buf = new char[size + 3];
		if (buf == NULL) {
			return Error_Resource;
		}
		memset(buf, 0, sizeof(char) * (size + 3));
		size = GetEnvironmentVariableA(var, buf, size);
		result = Bridge_LoadDevObject(buf);
		if (result == Error_Succeed) {
			object = new VirtualDeviceClassImpl();
		}
		delete[] buf;
	}
	pOutDevAptObj = object;
	return result;
}

DEVICEBASE_API ErrorCodeEnum ReleaseDevComponent(DeviceBaseClass*& pInDevAptObj)
{
	ErrorCodeEnum result = Bridge_ReleaseDevObject();
	if (result == Error_Succeed && pInDevAptObj != NULL) {
		delete pInDevAptObj;
		pInDevAptObj = NULL;
	}
	return result;
}

extern "C" DEVICEBASE_API void GetMoreErrorDetail(char* szErrMsg, DWORD * pMsgLen)
{
	if (szErrMsg != NULL && pMsgLen != NULL && *pMsgLen > 0) {
		DevErrorInfo inner;
		ErrorCodeEnum result = Bridge_GetLastErr(&inner);
		if (result == Error_Succeed) {
			strcpy_s(szErrMsg, *pMsgLen, inner.szErrMsg);
			*pMsgLen = inner.dwErrMsgLen;
		}
	}
}

VirtualDeviceClassImpl::VirtualDeviceClassImpl()
{

}

VirtualDeviceClassImpl::~VirtualDeviceClassImpl()
{

}

ErrorCodeEnum VirtualDeviceClassImpl::GetDevCategory(DevCategoryInfo& devCategory)
{
	ErrorCodeEnum result;
	DevCategoryInfo inner;
	result = Bridge_GetDevCategory(&inner);
	if (result == Error_Succeed) {
		strcpy_s(devCategory.szType, MAX_DEV_TYPE_LEN, inner.szType);
		strcpy_s(devCategory.szModel, MAX_DEV_MODEL_LEN, inner.szModel);
		strcpy_s(devCategory.szVendor, MAX_DEV_VENDOR_LEN, inner.szVendor);
		devCategory.eState = inner.eState;
		devCategory.version.wMajor = inner.version.wMajor;
		devCategory.version.wMinor = inner.version.wMinor;
		devCategory.version.wRevision = inner.version.wRevision;
		devCategory.version.wBuild = inner.version.wBuild;
	}
	return result;
}

ErrorCodeEnum VirtualDeviceClassImpl::Reset()
{
	return Bridge_Reset();
}


ErrorCodeEnum VirtualDeviceClassImpl::DevClose()
{
	ErrorCodeEnum result = Error_Succeed;
	return (result = Bridge_DevClose());
}

ErrorCodeEnum VirtualDeviceClassImpl::GetLastErr(DevErrorInfo& devErrInfo)
{
	ErrorCodeEnum result = Error_Succeed;
	DevErrorInfo inner;
	result = Bridge_GetLastErr(&inner);
	if (result == Error_Succeed) {
		devErrInfo.dwErrMsgLen = inner.dwErrMsgLen;
		strcpy_s(devErrInfo.szErrMsg, MAX_DEV_ERROR_MSG_LEN, inner.szErrMsg);
	}
	return (result);
}

ErrorCodeEnum VirtualDeviceClassImpl::DevOpen(GpioInitParam initParam)
{
	Bridge_GpioInitParam inner;
	inner.dwPort = initParam.dwPort;
	inner.dwBaudRate = initParam.dwBaudRate;
	inner.dwPortNum = initParam.dwPortNum;
	for (int i = 0; i < MAX_PORT_NUM; ++i) {
		inner.dir[i] = initParam.dir[i] ? 1 : 0;
	}
	return Bridge_DevOpen(inner);
}

ErrorCodeEnum VirtualDeviceClassImpl::WritePort(DWORD dwPort, BYTE btData)
{
	return Bridge_WritePort(dwPort, btData);
}

ErrorCodeEnum VirtualDeviceClassImpl::ReadPort(DWORD dwPort, BYTE& btStatus)
{
	BYTE inner = btStatus;
	ErrorCodeEnum result = Bridge_ReadPort(dwPort, &inner);
	btStatus = inner;
	return result;
}