#include "stdafx.h"
#include "ExternLightControlAKPNV.h"

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

#define ASCII_LF        0x0A
#define ASCII_CR        0x0D
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CExternLightControlAKPNV::CExternLightControlAKPNV()
{
	m_hLightControl = NULL;
}

CExternLightControlAKPNV::~CExternLightControlAKPNV()
{
	CloseControl();
}	

BOOL CExternLightControlAKPNV::OpenControl(int nPort)
{
	m_nPort = nPort;
	
	DCB dcb;

	CString strPort;
	strPort.Format(_T("COM%d"), nPort);
	
	m_hLightControl = CreateFile( strPort, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );

	if (m_hLightControl == INVALID_HANDLE_VALUE)
	{
		CloseHandle(m_hLightControl);
		m_hLightControl = NULL;
		return FALSE;
	}
	
	dcb.DCBlength = sizeof(DCB);
	if (GetCommState(m_hLightControl,(LPDCB) &dcb))
	{
		dcb.DCBlength		= sizeof(DCB);
		dcb.BaudRate		= CBR_9600;
		dcb.ByteSize		= 8;
		dcb.fParity			= FALSE;
		dcb.Parity			= NOPARITY;
		//		dcb.StopBits		= 1;
		dcb.fOutxCtsFlow	= 0;
		dcb.fOutxDsrFlow	= 0;
		dcb.fOutX			= 0;
		dcb.fInX			= 0;
		
		if (!SetCommState(m_hLightControl,(LPDCB) &dcb))
		{
			CloseHandle(m_hLightControl);
			m_hLightControl = NULL;
			return FALSE;
		}
	}
	else
	{
		CloseHandle(m_hLightControl);
		m_hLightControl = NULL;
		return FALSE;
	}	
	
	return TRUE;
}

BOOL CExternLightControlAKPNV::CloseControl()
{
	if (m_hLightControl)
		CloseHandle(m_hLightControl);
	m_hLightControl = NULL;
	
	return TRUE;
}

BOOL CExternLightControlAKPNV::SetLightControlValue(int nChannel, int nValue)
{
	if (nChannel < 0 || nChannel > MAX_LAMP_CHANNEL)
		return FALSE;
	if (!m_hLightControl)
		return FALSE;
	
	int nHigh = nValue / 16;
	int nLow = nValue % 16;

	CString hex("0123456789ABCDEF");

	char Data[50];
	memset(&Data[0],0x00,sizeof(Data));	

	sprintf_s(Data, "C%c%c%c%c%c", hex.GetAt(nChannel+1), hex.GetAt(nHigh), hex.GetAt(nLow), ASCII_CR, ASCII_LF);

	DWORD NumberOfBytesWritten;

	BOOL bRet = WriteFile( m_hLightControl,(LPCVOID) Data,6,(LPDWORD) &NumberOfBytesWritten,NULL);
	
	m_nLightValue = nValue;

	return bRet;
}

BOOL CExternLightControlAKPNV::IsTurnOnLamp(int iIdxChannel)
{
	
	return TRUE;
}

BOOL CExternLightControlAKPNV::TurnOnOffLamp(int nChannel,BOOL bOn)
{
	if (nChannel < 0 || nChannel > MAX_LAMP_CHANNEL)
		return FALSE;
	if (!m_hLightControl)
		return FALSE;

	char Data[50];
	memset(&Data[0],0x00,sizeof(Data));

	if(bOn == TRUE)
		sprintf_s(Data, "AP11%c%c", ASCII_CR, ASCII_LF);
	else
		sprintf_s(Data, "AP00%c%c", ASCII_CR, ASCII_LF);

	DWORD NumberOfBytesWritten;

	BOOL bRet = WriteFile( m_hLightControl,(LPCVOID) Data,6,(LPDWORD) &NumberOfBytesWritten,NULL);
	
	return bRet;
}