#include "StdAfx.h"
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#include "LightControl_LM6850GHM.h"
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CLightControl_LM6850GHM::CLightControl_LM6850GHM(int nIndex) : CLightControl(nIndex)
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{
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m_nPortIndex = 1;
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m_nBaudRate = 9600;
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m_bConnected = FALSE;
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m_nCurrentStatus = 0;
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m_nCurrentValue = 0;
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}
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CLightControl_LM6850GHM::~CLightControl_LM6850GHM(void)
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{
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}
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BOOL CLightControl_LM6850GHM::Connect(const CLightControlInfo& controlInfo)
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{
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m_ControlInfo = controlInfo;
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int nPort = _ttoi(controlInfo.GetConnectionPort());
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if(nPort < 1) return FALSE;
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CString strProt;
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strProt.Format(_T("COM%d"), nPort);
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if(Open(strProt, NULL) != ERROR_SUCCESS)
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{
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m_bConnected = FALSE;
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return FALSE;
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}
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Setup(CSerial::EBaud9600,CSerial::EData8,CSerial::EParNone,CSerial::EStop1);
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SetupHandshaking(CSerial::EHandshakeOff);
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SetupReadTimeouts(CSerial::EReadTimeoutBlocking);
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m_bConnected = TRUE;
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m_nPortIndex = nPort;
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return TRUE;
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}
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void CLightControl_LM6850GHM::Disconnect()
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{
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m_bConnected = FALSE;
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Close();
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return;
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}
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BOOL CLightControl_LM6850GHM::GetLightLevel(int &nValue, int nChannel /* = 0 */) const
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{
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if (!m_bConnected) return FALSE;
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nValue = m_nCurrentValue;
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return TRUE;
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}
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BOOL CLightControl_LM6850GHM::GetLightLevel(double &dValue, int nChannel /* = 0 */) const
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{
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if (!m_bConnected) return FALSE;
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dValue = (double)m_nCurrentValue;
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return TRUE;
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}
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BOOL CLightControl_LM6850GHM::GetLightStatus(int &nValue, int nChannel /* = 0 */) const
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{
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if (!m_bConnected) return FALSE;
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nValue = m_nCurrentStatus;
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return TRUE;
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}
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BOOL CLightControl_LM6850GHM::SetLightLevel(int nValue, int nChannel /* = 0 */)
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{
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if (!m_bConnected) return FALSE;
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unsigned char uOp1 = CONTROL_DIMMING;
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unsigned char uOp2 = (unsigned char)nValue;
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if(!CheckCRC(&uOp1, &uOp2))
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{
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return FALSE;
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}
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m_nCurrentValue = nValue;
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return TRUE;
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}
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BOOL CLightControl_LM6850GHM::SetLightLevel(double dValue, int nChannel /* = 0 */)
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{
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if (!m_bConnected) return FALSE;
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unsigned char uOp1 = CONTROL_DIMMING;
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unsigned char uOp2 = (unsigned char)dValue;
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if(!CheckCRC(&uOp1, &uOp2))
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{
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return FALSE;
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}
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m_nCurrentValue = (int)dValue;
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return TRUE;
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}
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BOOL CLightControl_LM6850GHM::SetLightStatus(int nValue, int nChannel /* = 0 */)
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{
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//NOT USE
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return 1;
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}
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BOOL CLightControl_LM6850GHM::SetLightOn()
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{
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if (!m_bConnected) return FALSE;
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unsigned char uOp1 = CONTROL_POWER;
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unsigned char uOp2 = CONTROL_DATA_ON;
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if(!CheckCRC(&uOp1, &uOp2))
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{
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return FALSE;
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}
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m_nCurrentStatus = CURRENT_STATUS_ON;
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return TRUE;
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}
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BOOL CLightControl_LM6850GHM::SetLightOff()
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{
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if (!m_bConnected) return FALSE;
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unsigned char uOp1 = CONTROL_POWER;
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unsigned char uOp2 = CONTROL_DATA_OFF;
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if(!CheckCRC(&uOp1, &uOp2))
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{
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return FALSE;
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}
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m_nCurrentStatus = CURRENT_STATUS_OFF;
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return TRUE;
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}
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BOOL CLightControl_LM6850GHM::FactoryReset()
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{
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if (!m_bConnected) return FALSE;
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unsigned char uOp1 = CONTROL_RESET;
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unsigned char uOp2 = CONTROL_DATA_RESET;
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if(!CheckCRC(&uOp1, &uOp2))
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{
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return FALSE;
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}
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return TRUE;
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}
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unsigned int CLightControl_LM6850GHM::CRC16(unsigned char* rdata, unsigned int len)
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{
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int i,n;
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unsigned int wCrc = 0xFFFF;
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unsigned int wCh;
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for(i=0;i<len;i++)
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{
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wCh = (unsigned int)*(rdata+i);
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for(n=0;n<8;n++)
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{
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if((wCh^wCrc) & 0x0001)
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wCrc = (wCrc >> 1) ^ 0xA001;
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else
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wCrc >>= 1;
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wCh >>= 1;
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}
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}
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return wCrc;
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}
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BOOL CLightControl_LM6850GHM::CheckCRC(unsigned char* uOp1, unsigned char* uOp2)
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{
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unsigned int uRes = 0;
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char Data[50];
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memset(&Data[0],0x00,sizeof(Data));
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// make CRC Code
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unsigned char uInputCode[4];
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unsigned char uOutputCode[2];
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unsigned int uReturnCode;
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memset(&uInputCode[0],0x00,sizeof(uInputCode));
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memset(&uOutputCode[0],0x00,sizeof(uOutputCode));
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//CHECK CRC
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uInputCode[0] = IDENTIFIER_OPCODE;
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uInputCode[1] = IDENTIFIER_LENGTH;
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uInputCode[2] = *uOp1;
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uInputCode[3] = *uOp2;
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uReturnCode = CRC16(uInputCode, sizeof(uInputCode));
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uOutputCode[0] = uReturnCode & 0xFF;
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uOutputCode[1] = uReturnCode >> 8 & 0xFF;
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// Send
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sprintf_s(Data, "%c%c%c%c%c%c%c%c%c%c",
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HEADER_DLE, HEADER_STX, IDENTIFIER_OPCODE, IDENTIFIER_LENGTH, uInputCode[2], uInputCode[3], TAIL_DLE, TAIL_ETX, uOutputCode[1], uOutputCode[0]);
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Write(Data, PACKET_DATA_LENGTH);
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CWinThread* pThread = NULL;
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pThread = AfxBeginThread(ReceiveThread,this);
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if(pThread == NULL)
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{
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return FALSE;
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}
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return TRUE;
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}
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UINT CLightControl_LM6850GHM::ReceiveThread(LPVOID pParam)
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{
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CLightControl_LM6850GHM* pCtrl = (CLightControl_LM6850GHM*) pParam;
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// Read
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DWORD dwBytesRead = 0;
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BYTE abBuffer[10];
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//Sleep(100);
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do
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{
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if(pCtrl->Read(abBuffer,sizeof(abBuffer),&dwBytesRead))
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{
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continue;
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}
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if(dwBytesRead == sizeof(abBuffer))
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{
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if(pCtrl->m_pLC2P)
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{
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pCtrl->m_pLC2P->ILC2P_ResponseSignal(abBuffer, dwBytesRead);
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}
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}
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} while (dwBytesRead != sizeof(abBuffer));
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return 0;
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}
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