185 lines
No EOL
10 KiB
C++
185 lines
No EOL
10 KiB
C++
#ifndef _CPROTOCOL_H_
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#define _CPROTOCOL_H_
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#include <Arduino.h>
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class CProtocol {
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public:
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union {
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unsigned char Data[24];
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struct {
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unsigned char Byte0; // [0] always 0x76
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unsigned char Len; // [1] always 0x16 == 22
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unsigned char Command; // [2] transient commands: 00: NOP, 0xa0 START, 0x05: STOP
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unsigned char ActualTemperature; // [3] 1degC / digit
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unsigned char DesiredTemperature; // [4] 1degC / digit
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unsigned char MinPumpFreq; // [5] 0.1Hz/digit
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unsigned char MaxPumpFreq; // [6] 0.1Hz/digit
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unsigned char MinFanRPM_MSB; // [7] 16 bit - big endian MSB
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unsigned char MinFanRPM_LSB; // [8] 16 bit - big endian LSB : 1 RPM / digit
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unsigned char MaxFanRPM_MSB; // [9] 16 bit - big endian MSB
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unsigned char MaxFanRPM_LSB; // [10] 16 bit - big endian LSB : 1 RPM / digit
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unsigned char OperatingVoltage; // [11] 120, 240 : 0.1V/digit
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unsigned char FanSensor; // [12] SN-1 or SN-2
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unsigned char OperatingMode; // [13] 0x32:Thermostat, 0xCD:Fixed
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unsigned char MinTemperature; // [14] Minimum settable temperature
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unsigned char MaxTemperature; // [15] Maximum settable temperature
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unsigned char MinTempRise; // [16] temp rise to sense running OK
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unsigned char Prime; // [17] 00: normal, 0x5A: fuel prime
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unsigned char Unknown1_MSB; // [18] always 0x01
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unsigned char Unknown1_LSB; // [19] always 0x2c "300 secs = max run without burn detected"?
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unsigned char Unknown2_MSB; // [20] always 0x0d
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unsigned char Unknown2_LSB; // [21] always 0xac "3500 ?"
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unsigned char CRC_MSB; // [22]
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unsigned char CRC_LSB; // [23]
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} Controller;
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struct {
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unsigned char Byte0; // always 0x76
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unsigned char Len; // always 0x16 == 22 bytes
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unsigned char RunState; // operating state
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unsigned char ErrState; // 0: OFF, 1: ON, 2+ (E-0n + 1)
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unsigned char SupplyV_MSB; // 16 bit - big endian MSB
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unsigned char SupplyV_LSB; // 16 bit - big endian MSB : 0.1V / digit
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unsigned char FanRPM_MSB; // 16 bit - big endian MSB
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unsigned char FanRPM_LSB; // 16 bit - big endian LSB : 1 RPM / digit
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unsigned char FanVoltage_MSB; // 16 bit - big endian MSB
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unsigned char FanVoltage_LSB; // 16 bit - big endian LSB : 0.1V / digit
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unsigned char HeatExchgTemp_MSB; // 16 bit - big endian MSB
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unsigned char HeatExchgTemp_LSB; // 16 bit - big endian LSB : 1 degC / digit
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unsigned char GlowPlugVoltage_MSB; // 16 bit - big endian MSB
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unsigned char GlowPlugVoltage_LSB; // 16 bit - big endian LSB : 0.1V / digit
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unsigned char GlowPlugCurrent_MSB; // 16 bit - big endian MSB
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unsigned char GlowPlugCurrent_LSB; // 16 bit - big endian LSB : 10mA / digit
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unsigned char ActualPumpFreq; // fuel pump freq.: 0.1Hz / digit
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unsigned char StoredErrorCode; //
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unsigned char Unknown1; // always 0x00
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unsigned char FixedPumpFreq; // fixed mode frequency set point: 0.1Hz / digit
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unsigned char Unknown2; // always 0x64 "100 ?"
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unsigned char Unknown3; // always 0x00
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unsigned char CRC_MSB;
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unsigned char CRC_LSB;
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} Heater;
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};
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static const int CtrlMode = 1;
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static const int HeatMode = 2;
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const unsigned short wCRCTable[256] = {
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0X0000, 0XC0C1, 0XC181, 0X0140, 0XC301, 0X03C0, 0X0280, 0XC241,
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0XC601, 0X06C0, 0X0780, 0XC741, 0X0500, 0XC5C1, 0XC481, 0X0440,
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0XCC01, 0X0CC0, 0X0D80, 0XCD41, 0X0F00, 0XCFC1, 0XCE81, 0X0E40,
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0X0A00, 0XCAC1, 0XCB81, 0X0B40, 0XC901, 0X09C0, 0X0880, 0XC841,
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0XD801, 0X18C0, 0X1980, 0XD941, 0X1B00, 0XDBC1, 0XDA81, 0X1A40,
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0X1E00, 0XDEC1, 0XDF81, 0X1F40, 0XDD01, 0X1DC0, 0X1C80, 0XDC41,
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0X1400, 0XD4C1, 0XD581, 0X1540, 0XD701, 0X17C0, 0X1680, 0XD641,
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0XD201, 0X12C0, 0X1380, 0XD341, 0X1100, 0XD1C1, 0XD081, 0X1040,
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0XF001, 0X30C0, 0X3180, 0XF141, 0X3300, 0XF3C1, 0XF281, 0X3240,
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0X3600, 0XF6C1, 0XF781, 0X3740, 0XF501, 0X35C0, 0X3480, 0XF441,
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0X3C00, 0XFCC1, 0XFD81, 0X3D40, 0XFF01, 0X3FC0, 0X3E80, 0XFE41,
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0XFA01, 0X3AC0, 0X3B80, 0XFB41, 0X3900, 0XF9C1, 0XF881, 0X3840,
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0X2800, 0XE8C1, 0XE981, 0X2940, 0XEB01, 0X2BC0, 0X2A80, 0XEA41,
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0XEE01, 0X2EC0, 0X2F80, 0XEF41, 0X2D00, 0XEDC1, 0XEC81, 0X2C40,
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0XE401, 0X24C0, 0X2580, 0XE541, 0X2700, 0XE7C1, 0XE681, 0X2640,
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0X2200, 0XE2C1, 0XE381, 0X2340, 0XE101, 0X21C0, 0X2080, 0XE041,
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0XA001, 0X60C0, 0X6180, 0XA141, 0X6300, 0XA3C1, 0XA281, 0X6240,
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0X6600, 0XA6C1, 0XA781, 0X6740, 0XA501, 0X65C0, 0X6480, 0XA441,
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0X6C00, 0XACC1, 0XAD81, 0X6D40, 0XAF01, 0X6FC0, 0X6E80, 0XAE41,
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0XAA01, 0X6AC0, 0X6B80, 0XAB41, 0X6900, 0XA9C1, 0XA881, 0X6840,
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0X7800, 0XB8C1, 0XB981, 0X7940, 0XBB01, 0X7BC0, 0X7A80, 0XBA41,
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0XBE01, 0X7EC0, 0X7F80, 0XBF41, 0X7D00, 0XBDC1, 0XBC81, 0X7C40,
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0XB401, 0X74C0, 0X7580, 0XB541, 0X7700, 0XB7C1, 0XB681, 0X7640,
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0X7200, 0XB2C1, 0XB381, 0X7340, 0XB101, 0X71C0, 0X7080, 0XB041,
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0X5000, 0X90C1, 0X9181, 0X5140, 0X9301, 0X53C0, 0X5280, 0X9241,
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0X9601, 0X56C0, 0X5780, 0X9741, 0X5500, 0X95C1, 0X9481, 0X5440,
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0X9C01, 0X5CC0, 0X5D80, 0X9D41, 0X5F00, 0X9FC1, 0X9E81, 0X5E40,
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0X5A00, 0X9AC1, 0X9B81, 0X5B40, 0X9901, 0X59C0, 0X5880, 0X9841,
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0X8801, 0X48C0, 0X4980, 0X8941, 0X4B00, 0X8BC1, 0X8A81, 0X4A40,
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0X4E00, 0X8EC1, 0X8F81, 0X4F40, 0X8D01, 0X4DC0, 0X4C80, 0X8C41,
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0X4400, 0X84C1, 0X8581, 0X4540, 0X8701, 0X47C0, 0X4680, 0X8641,
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0X8201, 0X42C0, 0X4380, 0X8341, 0X4100, 0X81C1, 0X8081, 0X4040
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};
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public:
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CProtocol() { Init(0); };
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CProtocol(int TxMode) { Init(TxMode); };
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void Init(int Txmode);
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// CRC handlers
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unsigned short CalcCRC(int len) const; // calculate the CRC upon len bytes
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void setCRC(); // calculate and set the CRC in the buffer
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void setCRC(unsigned short CRC); // set the CRC in the buffer
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unsigned short getCRC() const; // extract CRC value from buffer
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bool verifyCRC(bool silent=false) const; // return true for CRC match
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void setActiveMode() { Controller.Byte0 = 0x76; }; // this allows heater to save tuning params to EEPROM
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void setPassiveMode() { Controller.Byte0 = 0x78; }; // this prevents heater saving tuning params to EEPROM
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// command helpers
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void resetCommand() { setRawCommand(0x00); };
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void onCommand() { setRawCommand(0xA0); };
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void offCommand() { setRawCommand(0x05); };
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// raw command
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int getRawCommand() const { return Controller.Command; };
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void setRawCommand(int mode) { Controller.Command = mode; };
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// Run state
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unsigned char getRunState() const { return Heater.RunState; };
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void setRunState(unsigned char state) { Heater.RunState = state; };
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unsigned char getErrState() const { return Heater.ErrState; };
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void setErrState(unsigned char state) { Heater.ErrState = state; };
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unsigned char getStoredErrCode() const { return Heater.StoredErrorCode; };
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void setStoredErrCode(unsigned char state) { Heater.StoredErrorCode = state; };
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//
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short getVoltage_Supply() const;
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void setVoltage_Supply(short voltsx10);
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// fan set/get
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short getFan_Actual() const; // Heater side, actual
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short getFan_Min() const; // Controller side, define min fan speed
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short getFan_Max() const; // Controller side, define max fan speed
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void setFan_Actual(short speed); // Heater side, actual
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void setFan_Min(short speed); // Controller side, define min fan speed
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void setFan_Max(short speed); // Controller side, define max fan speed
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short getFan_Voltage() const; // fan voltage
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void setFan_Voltage(short voltsx10); // fan voltage
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// pump set/get
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void setPump_Min(unsigned short Freq) { Controller.MinPumpFreq = Freq; };
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void setPump_Max(unsigned short Freq) { Controller.MaxPumpFreq = Freq; };
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void setPump_Actual(unsigned char Freq) { Heater.ActualPumpFreq = Freq; };
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void setPump_Fixed(unsigned char Freq) { Heater.FixedPumpFreq = Freq; };
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unsigned char getPump_Min() const { return Controller.MinPumpFreq; }; // Tx side, min pump freq
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unsigned char getPump_Max() const { return Controller.MaxPumpFreq; }; // Tx side, max pump freq
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unsigned char getPump_Actual() const { return Heater.ActualPumpFreq; }; // Rx style, actual
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unsigned char getPump_Fixed() const { return Heater.FixedPumpFreq; }; // Fixed mode pump frequency
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// temperature set/get
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void setTemperature_Desired(unsigned char degC) { Controller.DesiredTemperature = degC; };
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void setTemperature_Min(unsigned char degC) { Controller.MinTemperature = degC; };
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void setTemperature_Max(unsigned char degC) { Controller.MaxTemperature = degC; };
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void setTemperature_Actual(unsigned char degC) { Controller.ActualTemperature = degC; };
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unsigned char getTemperature_Desired() const { return Controller.DesiredTemperature; };
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unsigned char getTemperature_Min() const { return Controller.MinTemperature; };
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unsigned char getTemperature_Max() const { return Controller.MaxTemperature; };
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unsigned char getTemperature_Actual() const { return Controller.ActualTemperature; };
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void setThermostatMode(unsigned on) { Controller.OperatingMode = on ? 0x32 : 0xCD; };
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bool isThermostat() const { return Controller.OperatingMode == 0x32; };
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// glow plug
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short getGlowPlug_Current() const; // glow plug current
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short getGlowPlug_Voltage() const; // glow plug voltage
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void setGlowPlug_Current(short ampsx100); // glow plug current
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void setGlowPlug_Voltage(short voltsx10); // glow plug voltage
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// heat exchanger
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short getTemperature_HeatExchg() const; // temperature of heat exchanger
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void setTemperature_HeatExchg(short degC); // temperature of heat exchanger
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void DebugReport(const char* hdr, const char* ftr);
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CProtocol& operator=(const CProtocol& rhs);
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};
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class CModeratedFrame : public CProtocol {
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unsigned long lastTime;
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public:
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CModeratedFrame() { lastTime = 0; };
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void setTime() { lastTime = millis(); };
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unsigned long elapsedTime() { return millis() - lastTime; };
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};
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#endif |