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#include "stdafx.h"
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#include "ExternLightControlLCP.h"
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#ifdef _DEBUG
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#undef THIS_FILE
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static char THIS_FILE[]=__FILE__;
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#define new DEBUG_NEW
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#endif
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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CExternLightControlLCP::CExternLightControlLCP()
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{
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m_hLightControl = NULL;
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}
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CExternLightControlLCP::~CExternLightControlLCP()
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{
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CloseControl();
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}
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BOOL CExternLightControlLCP::OpenControl(int nPort)
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{
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m_nPort = nPort;
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DCB dcb;
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CString strPort;
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strPort.Format(_T("COM%d"), nPort);
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m_hLightControl = CreateFile( strPort, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
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if (m_hLightControl == INVALID_HANDLE_VALUE)
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{
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CloseHandle(m_hLightControl);
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m_hLightControl = NULL;
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return FALSE;
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}
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dcb.DCBlength = sizeof(DCB);
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if (GetCommState(m_hLightControl,(LPDCB) &dcb))
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{
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dcb.DCBlength = sizeof(DCB);
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dcb.BaudRate = CBR_9600;
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dcb.ByteSize = 8;
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dcb.fParity = FALSE;
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dcb.Parity = NOPARITY;
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// dcb.StopBits = 1;
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dcb.fOutxCtsFlow = 0;
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dcb.fOutxDsrFlow = 0;
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dcb.fOutX = 0;
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dcb.fInX = 0;
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if (!SetCommState(m_hLightControl,(LPDCB) &dcb))
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{
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CloseHandle(m_hLightControl);
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m_hLightControl = NULL;
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return FALSE;
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}
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}
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else
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{
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CloseHandle(m_hLightControl);
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m_hLightControl = NULL;
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return FALSE;
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}
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return TRUE;
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}
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BOOL CExternLightControlLCP::CloseControl()
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{
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if (m_hLightControl)
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CloseHandle(m_hLightControl);
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m_hLightControl = NULL;
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return TRUE;
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}
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BOOL CExternLightControlLCP::SetLightControlValue(int nChannel, int nValue)
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{
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if (nChannel < 0 || nChannel > MAX_LAMP_CHANNEL)
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return FALSE;
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if (!m_hLightControl)
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return FALSE;
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CString tmp;
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char Outbuf[10];
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DWORD NumberOfBytesWritten;
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//tmp.Format(_T("%c%cw%4.4u%c"), 0x02, nChannel+0x30, nValue, 0x03);
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tmp.Format(_T("%c%cw%04d%c"), 0x02, nChannel+0x30, nValue, 0x03);
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int nLength = tmp.GetLength();
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ZeroMemory(Outbuf,sizeof(char)*10);
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sprintf_s(Outbuf,"%c%c%c%c%c%c%c%c",tmp.GetAt(0),tmp.GetAt(1),tmp.GetAt(2),tmp.GetAt(3),tmp.GetAt(4),tmp.GetAt(5),tmp.GetAt(6),tmp.GetAt(7));
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BOOL bRet = WriteFile( m_hLightControl,(LPCVOID) Outbuf,8,(LPDWORD) &NumberOfBytesWritten,NULL);
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m_nLightValue = nValue;
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return bRet;
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}
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BOOL CExternLightControlLCP::IsTurnOnLamp(int iIdxChannel)
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{
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return TRUE;
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}
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BOOL CExternLightControlLCP::TurnOnOffLamp(int nChannel,BOOL bOn)
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{
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if (nChannel < 0 || nChannel > MAX_LAMP_CHANNEL)
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return FALSE;
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if (!m_hLightControl)
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return FALSE;
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char Outbuf[10];
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ZeroMemory(Outbuf,sizeof(char)*10);
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Outbuf[0] = 0x02;
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Outbuf[1] = nChannel+0x30;
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if(bOn == TRUE)
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Outbuf[2] = 'o';
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else
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Outbuf[2] = 'f';
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Outbuf[3] = 0x03;
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DWORD NumberOfBytesWritten;
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BOOL bRet = WriteFile( m_hLightControl,(LPCVOID) Outbuf,4,(LPDWORD) &NumberOfBytesWritten,NULL);
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return bRet;
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}
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