import struct
# 高压母线配电反馈
class msg_disHighVolBusFbMsg:
    def __init__(self):
        self.start1 = 0x40
        self.start2 = 0x40
        self.id = 0x0005
        self.length = 59  
        self.checkCode = 0x00
        
        # disHighVolBusState成员
        self.fuelCellCircuitBreaker = 0x00
        self.powerLithiumBatteryCircuitBreaker = 0x00
        self.propulsionMotorCircuitBreaker = 0x00
        self.lithiumBatteryGroupInstrumentCircuitBreaker = 0x00
        self.dcDc5ModuleCircuitBreaker = 0x00
        self.bowHighVoltageDistributionBoxCircuitBreaker = 0x00
        self.sternFTDevice45CircuitBreaker = 0x00
        self.sternRudderSwitch1CircuitBreaker = 0x00
        self.sternRudderSwitch2CircuitBreaker = 0x00
        self.fbReservedCircuitBreaker = 0x00
        self.tyzReservedCircuitBreaker = 0x00
        self.reservedCircuitBreaker = 0x00
        self.dcDcFaultWord1 = 0x00
        self.dcDcFaultWord2 = 0x00
        self.powerBusInsulationStatus = 0x00
        self.aBusInsulationStatus = 0x00
        self.meterPowerLossSignal = 0x00
        self.emergencyPowerLossSignal = 0x00
        self.dcdcTemperature = 0x00
        self.powerBusVoltage = 0
        self.dcDc5ModuleCurrent = 0
        self.powerBusCurrent = 0
        self.busbarAVoltage = 0
        self.propulsionMotorControlBoxCurrent = 0
        self.busbarACurrent = 0
        self.lithiumBatteryGroupMeterCurrent = 0
        self.bowHighVoltageDistributionBoxCurrent = 0
        self.sternFTDevice45Current = 0
        self.tyzReservedSwitchCurrent = 0
        self.sternRudderSwitch1Current = 0
        self.reservedCurrent1 = 0
        self.sternRudderSwitch2Current = 0
        self.reservedCurrent2 = 0
        self.fbReservedSwitchCurrent = 0
        self.reservedCurrent3 = 0
        self.coolWaterPressure = 0

    def pack(self):
        self.checkCode = 0x00
        data = struct.pack('<B', self.start1)
        data += struct.pack('<B', self.start2)
        data += struct.pack('<H', self.id)
        data += struct.pack('<H', self.length)
        
        # 打包数据部分
        data += struct.pack('<B', self.fuelCellCircuitBreaker)
        data += struct.pack('<B', self.powerLithiumBatteryCircuitBreaker)
        data += struct.pack('<B', self.propulsionMotorCircuitBreaker)
        data += struct.pack('<B', self.lithiumBatteryGroupInstrumentCircuitBreaker)
        data += struct.pack('<B', self.dcDc5ModuleCircuitBreaker)
        data += struct.pack('<B', self.bowHighVoltageDistributionBoxCircuitBreaker)
        data += struct.pack('<B', self.sternFTDevice45CircuitBreaker)
        data += struct.pack('<B', self.sternRudderSwitch1CircuitBreaker)
        data += struct.pack('<B', self.sternRudderSwitch2CircuitBreaker)
        data += struct.pack('<B', self.fbReservedCircuitBreaker)
        data += struct.pack('<B', self.tyzReservedCircuitBreaker)
        data += struct.pack('<B', self.reservedCircuitBreaker)
        data += struct.pack('<B', self.dcDcFaultWord1)
        data += struct.pack('<B', self.dcDcFaultWord2)
        data += struct.pack('<B', self.powerBusInsulationStatus)
        data += struct.pack('<B', self.aBusInsulationStatus)
        data += struct.pack('<B', self.meterPowerLossSignal)
        data += struct.pack('<B', self.emergencyPowerLossSignal)
        data += struct.pack('<B', self.dcdcTemperature)
        data += struct.pack('<H', self.powerBusVoltage)
        data += struct.pack('<H', self.dcDc5ModuleCurrent)
        data += struct.pack('<H', self.powerBusCurrent)
        data += struct.pack('<H', self.busbarAVoltage)
        data += struct.pack('<H', self.propulsionMotorControlBoxCurrent)
        data += struct.pack('<H', self.busbarACurrent)
        data += struct.pack('<H', self.lithiumBatteryGroupMeterCurrent)
        data += struct.pack('<H', self.bowHighVoltageDistributionBoxCurrent)
        data += struct.pack('<H', self.sternFTDevice45Current)
        data += struct.pack('<H', self.tyzReservedSwitchCurrent)
        data += struct.pack('<H', self.sternRudderSwitch1Current)
        data += struct.pack('<H', self.reservedCurrent1)
        data += struct.pack('<H', self.sternRudderSwitch2Current)
        data += struct.pack('<H', self.reservedCurrent2)
        data += struct.pack('<H', self.fbReservedSwitchCurrent)
        data += struct.pack('<H', self.reservedCurrent3)
        data += struct.pack('<H', self.coolWaterPressure)
        
        # 计算校验码
        for byte in data:
            self.checkCode = (self.checkCode + byte) & 0xFF
        data += struct.pack('<B', self.checkCode)
        
        return data

    def unpack(self, data):
        # if len(data) < 4 + self.length + 1:  
        #     return False
            
        self.start1 = data[0]
        self.start2 = data[1]
        self.id = struct.unpack_from('<H', data, 2)[0]
        self.length = struct.unpack_from('<H', data, 4)[0]
        
        offset = 6  
        self.fuelCellCircuitBreaker = data[offset]; offset +=1
        self.powerLithiumBatteryCircuitBreaker = data[offset]; offset +=1
        self.propulsionMotorCircuitBreaker = data[offset]; offset +=1
        self.lithiumBatteryGroupInstrumentCircuitBreaker = data[offset]; offset +=1
        self.dcDc5ModuleCircuitBreaker = data[offset]; offset +=1
        self.bowHighVoltageDistributionBoxCircuitBreaker = data[offset]; offset +=1
        self.sternFTDevice45CircuitBreaker = data[offset]; offset +=1
        self.sternRudderSwitch1CircuitBreaker = data[offset]; offset +=1
        self.sternRudderSwitch2CircuitBreaker = data[offset]; offset +=1
        self.fbReservedCircuitBreaker = data[offset]; offset +=1
        self.tyzReservedCircuitBreaker = data[offset]; offset +=1
        self.reservedCircuitBreaker = data[offset]; offset +=1
        self.dcDcFaultWord1 = data[offset]; offset +=1
        self.dcDcFaultWord2 = data[offset]; offset +=1
        self.powerBusInsulationStatus = data[offset]; offset +=1
        self.aBusInsulationStatus = data[offset]; offset +=1
        self.meterPowerLossSignal = data[offset]; offset +=1
        self.emergencyPowerLossSignal = data[offset]; offset +=1
        self.dcdcTemperature = data[offset]; offset +=1  # 新增的温度信号解包
        
        self.powerBusVoltage = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.dcDc5ModuleCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.powerBusCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.busbarAVoltage = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.propulsionMotorControlBoxCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.busbarACurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.lithiumBatteryGroupMeterCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.bowHighVoltageDistributionBoxCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.sternFTDevice45Current = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.tyzReservedSwitchCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.sternRudderSwitch1Current = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.reservedCurrent1 = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.sternRudderSwitch2Current = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.reservedCurrent2 = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.fbReservedSwitchCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.reservedCurrent3 = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.coolWaterPressure = struct.unpack_from('<H', data, offset)[0]; offset +=2
        
        # 校验校验码
        checkCode = 0
        for byte in data[:-1]:  # 不包括校验码本身
            checkCode = (checkCode + byte) & 0xFF
            
        return checkCode == data[-1]
#  高压母线A配电反馈
class msg_disHighAVolBusFbMsg:
    def __init__(self):
        self.start1 = 0x40
        self.start2 = 0x40
        self.id = 0x0006
        self.length = 18  # disHighAVolBusState结构体大小
        self.checkCode = 0x00
        
        # disHighAVolBusState成员
        self.bowFTDevice123CircuitBreaker = 0x00
        self.actuatorCircuitBreaker = 0x00
        self.mastSteeringGearControlBoxCircuitBreaker = 0x00
        self.xczCircuitBreaker = 0x00
        self.bowRudderControlBoxCircuitBreaker = 0x00
        self.openWaterCoverStartCylinderCircuitBreaker = 0x00
        self.instrumentPowerFailureSignal = 0x00
        self.emergencyPowerFailureSignal = 0x00
        self.waterIngressionAlarm = 0x00
        self.busbarBVoltage = 0
        self.busbarBCurrent = 0
        self.bowFTDevice123Current = 0
        self.actuatorCurrent = 0
        self.mastSteeringGearControlBoxCurrent = 0
        self.xczCurrent = 0
        self.bowRudderControlBoxCurrent = 0
        self.openWaterCoverStartCylinderCurrent = 0

    def pack(self):
        self.checkCode = 0x00
        data = struct.pack('<B', self.start1)
        data += struct.pack('<B', self.start2)
        data += struct.pack('<H', self.id)
        data += struct.pack('<H', self.length)
        
        # 打包数据部分
        data += struct.pack('<B', self.bowFTDevice123CircuitBreaker)
        data += struct.pack('<B', self.actuatorCircuitBreaker)
        data += struct.pack('<B', self.mastSteeringGearControlBoxCircuitBreaker)
        data += struct.pack('<B', self.xczCircuitBreaker)
        data += struct.pack('<B', self.bowRudderControlBoxCircuitBreaker)
        data += struct.pack('<B', self.openWaterCoverStartCylinderCircuitBreaker)
        data += struct.pack('<B', self.instrumentPowerFailureSignal)
        data += struct.pack('<B', self.emergencyPowerFailureSignal)
        data += struct.pack('<B', self.waterIngressionAlarm)
        data += struct.pack('<H', self.busbarBVoltage)
        data += struct.pack('<H', self.busbarBCurrent)
        data += struct.pack('<H', self.bowFTDevice123Current)
        data += struct.pack('<H', self.actuatorCurrent)
        data += struct.pack('<H', self.mastSteeringGearControlBoxCurrent)
        data += struct.pack('<H', self.xczCurrent)
        data += struct.pack('<H', self.bowRudderControlBoxCurrent)
        data += struct.pack('<H', self.openWaterCoverStartCylinderCurrent)
        
        # 计算校验码
        for byte in data:
            self.checkCode = (self.checkCode + byte) & 0xFF
        data += struct.pack('<B', self.checkCode)
        
        return data

    def unpack(self, data):
        if len(data) < 4 + self.length + 1:  # 头部4字节+数据长度+校验码1字节
            return False
            
        self.start1 = data[0]
        self.start2 = data[1]
        self.id = struct.unpack_from('<H', data, 2)[0]
        self.length = struct.unpack_from('<H', data, 4)[0]
        
        offset = 6  # 头部结束位置
        self.bowFTDevice123CircuitBreaker = data[offset]; offset +=1
        self.actuatorCircuitBreaker = data[offset]; offset +=1
        self.mastSteeringGearControlBoxCircuitBreaker = data[offset]; offset +=1
        self.xczCircuitBreaker = data[offset]; offset +=1
        self.bowRudderControlBoxCircuitBreaker = data[offset]; offset +=1
        self.openWaterCoverStartCylinderCircuitBreaker = data[offset]; offset +=1
        self.instrumentPowerFailureSignal = data[offset]; offset +=1
        self.emergencyPowerFailureSignal = data[offset]; offset +=1
        self.waterIngressionAlarm = data[offset]; offset +=1
        self.busbarBVoltage = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.busbarBCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.bowFTDevice123Current = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.actuatorCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.mastSteeringGearControlBoxCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.xczCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.bowRudderControlBoxCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.openWaterCoverStartCylinderCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        
        # 校验校验码
        checkCode = 0
        for byte in data[:-1]:  # 不包括校验码本身
            checkCode = (checkCode + byte) & 0xFF
            
        return checkCode == data[-1]

#  仪表母线配电反馈
class msg_disLowMainBusFbMsg:
    def __init__(self):
        self.start1 = 0x40
        self.start2 = 0x40
        self.id = 0x0007
        self.length = 36  # disLowMainBusState结构体大小
        self.checkCode = 0x00
        
        # disLowMainBusState成员
        self.lithiumBatteryGroupInstrumentCircuitBreaker = 0x00
        self.bowLowVoltageDistributionBoxCircuitBreaker = 0x00
        self.unit4InstrumentDC48VCircuitBreaker = 0x00
        self.dcC1DCDistributionPanelCircuitBreaker = 0x00
        self.reservedCircuitBreaker1 = 0x00
        self.reservedCircuitBreaker2 = 0x00
        self.emergencyLithiumBatteryGroup2CircuitBreaker = 0x00
        self.instrumentPowerFailureSignal = 0x00
        self.emergencyPowerFailureSignal = 0x00
        self.instrumentBusbarInsulationLow = 0x00
        self.instrumentBusbarVoltage = 0
        self.bowLowVoltageDistributionBoxCurrent = 0
        self.dcC1InstrumentDC48VCurrent = 0
        self.reservedCurrent1 = 0
        self.emergencyLithiumBatteryGroup2Current = 0
        self.lithiumBatteryGroupInstrumentCurrent = 0
        self.unit4InstrumentDC48VCurrent = 0
        self.reservedCurrent2 = 0
        self.emergency2BusbarVoltage = 0
        self.compositeEnergyManagementSystemEmergencyDC48VCurrent = 0
        self.fuelCellSecuritySystemEmergencyDC48VCurrent = 0
        self.plcControlPowerCurrent = 0

    def pack(self):
        self.checkCode = 0x00
        data = struct.pack('<B', self.start1)
        data += struct.pack('<B', self.start2)
        data += struct.pack('<H', self.id)
        data += struct.pack('<H', self.length)
        
        # 打包数据部分
        data += struct.pack('<B', self.lithiumBatteryGroupInstrumentCircuitBreaker)
        data += struct.pack('<B', self.bowLowVoltageDistributionBoxCircuitBreaker)
        data += struct.pack('<B', self.unit4InstrumentDC48VCircuitBreaker)
        data += struct.pack('<B', self.dcC1DCDistributionPanelCircuitBreaker)
        data += struct.pack('<B', self.reservedCircuitBreaker1)
        data += struct.pack('<B', self.reservedCircuitBreaker2)
        data += struct.pack('<B', self.emergencyLithiumBatteryGroup2CircuitBreaker)
        data += struct.pack('<B', self.instrumentPowerFailureSignal)
        data += struct.pack('<B', self.emergencyPowerFailureSignal)
        data += struct.pack('<B', self.instrumentBusbarInsulationLow)
        data += struct.pack('<H', self.instrumentBusbarVoltage)
        data += struct.pack('<H', self.bowLowVoltageDistributionBoxCurrent)
        data += struct.pack('<H', self.dcC1InstrumentDC48VCurrent)
        data += struct.pack('<H', self.reservedCurrent1)
        data += struct.pack('<H', self.emergencyLithiumBatteryGroup2Current)
        data += struct.pack('<H', self.lithiumBatteryGroupInstrumentCurrent)
        data += struct.pack('<H', self.unit4InstrumentDC48VCurrent)
        data += struct.pack('<H', self.reservedCurrent2)
        data += struct.pack('<H', self.emergency2BusbarVoltage)
        data += struct.pack('<H', self.compositeEnergyManagementSystemEmergencyDC48VCurrent)
        data += struct.pack('<H', self.fuelCellSecuritySystemEmergencyDC48VCurrent)
        data += struct.pack('<H', self.plcControlPowerCurrent)
        
        # 计算校验码
        for byte in data:
            self.checkCode = (self.checkCode + byte) & 0xFF
        data += struct.pack('<B', self.checkCode)
        
        return data

    def unpack(self, data):
        if len(data) < 4 + self.length + 1:  # 头部4字节+数据长度+校验码1字节
            return False
            
        self.start1 = data[0]
        self.start2 = data[1]
        self.id = struct.unpack_from('<H', data, 2)[0]
        self.length = struct.unpack_from('<H', data, 4)[0]
        
        offset = 6  # 头部结束位置
        self.lithiumBatteryGroupInstrumentCircuitBreaker = data[offset]; offset +=1
        self.bowLowVoltageDistributionBoxCircuitBreaker = data[offset]; offset +=1
        self.unit4InstrumentDC48VCircuitBreaker = data[offset]; offset +=1
        self.dcC1DCDistributionPanelCircuitBreaker = data[offset]; offset +=1
        self.reservedCircuitBreaker1 = data[offset]; offset +=1
        self.reservedCircuitBreaker2 = data[offset]; offset +=1
        self.emergencyLithiumBatteryGroup2CircuitBreaker = data[offset]; offset +=1
        self.instrumentPowerFailureSignal = data[offset]; offset +=1
        self.emergencyPowerFailureSignal = data[offset]; offset +=1
        self.instrumentBusbarInsulationLow = data[offset]; offset +=1
        self.instrumentBusbarVoltage = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.bowLowVoltageDistributionBoxCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.dcC1InstrumentDC48VCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.reservedCurrent1 = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.emergencyLithiumBatteryGroup2Current = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.lithiumBatteryGroupInstrumentCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.unit4InstrumentDC48VCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.reservedCurrent2 = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.emergency2BusbarVoltage = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.compositeEnergyManagementSystemEmergencyDC48VCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.fuelCellSecuritySystemEmergencyDC48VCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.plcControlPowerCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        
        # 校验校验码
        checkCode = 0
        for byte in data[:-1]:  # 不包括校验码本身
            checkCode = (checkCode + byte) & 0xFF
            
        return checkCode == data[-1]

# 仪表汇流排配电反馈
class msg_disLowBusFbMsg:
    def __init__(self):
        self.start1 = 0x40
        self.start2 = 0x40
        self.id = 0x0008
        self.length = 24  # disLowBusState结构体大小
        self.checkCode = 0x00
        
        # disLowBusState成员
        self.unit1CircuitBreaker = 0x00
        self.unit2CircuitBreaker = 0x00
        self.unit3CircuitBreaker = 0x00
        self.unit5CircuitBreaker = 0x00
        self.bowPZDeviceCircuitBreaker = 0x00
        self.reservedCircuitBreaker1 = 0x00
        self.reservedCircuitBreaker2 = 0x00
        self.emergencyLithiumBatteryGroup1CircuitBreaker = 0x00
        self.powerFailureSignal = 0x00
        self.waterIngressionAlarm = 0x00
        self.instrumentBusbarVoltage = 0
        self.instrumentBusbarCurrent = 0
        self.unit1Current = 0
        self.unit2Current = 0
        self.unit3Current = 0
        self.unit5Current = 0
        self.bowPZDeviceCurrent = 0
        self.emergencyLithiumBatteryGroup1Current = 0
        self.emergency1BusbarVoltage = 0

    def pack(self):
        self.checkCode = 0x00
        data = struct.pack('<B', self.start1)
        data += struct.pack('<B', self.start2)
        data += struct.pack('<H', self.id)
        data += struct.pack('<H', self.length)
        
        # 打包数据部分
        data += struct.pack('<B', self.unit1CircuitBreaker)
        data += struct.pack('<B', self.unit2CircuitBreaker)
        data += struct.pack('<B', self.unit3CircuitBreaker)
        data += struct.pack('<B', self.unit5CircuitBreaker)
        data += struct.pack('<B', self.bowPZDeviceCircuitBreaker)
        data += struct.pack('<B', self.reservedCircuitBreaker1)
        data += struct.pack('<B', self.reservedCircuitBreaker2)
        data += struct.pack('<B', self.emergencyLithiumBatteryGroup1CircuitBreaker)
        data += struct.pack('<B', self.powerFailureSignal)
        data += struct.pack('<B', self.waterIngressionAlarm)
        data += struct.pack('<H', self.instrumentBusbarVoltage)
        data += struct.pack('<H', self.instrumentBusbarCurrent)
        data += struct.pack('<H', self.unit1Current)
        data += struct.pack('<H', self.unit2Current)
        data += struct.pack('<H', self.unit3Current)
        data += struct.pack('<H', self.unit5Current)
        data += struct.pack('<H', self.bowPZDeviceCurrent)
        data += struct.pack('<H', self.emergencyLithiumBatteryGroup1Current)
        data += struct.pack('<H', self.emergency1BusbarVoltage)
        
        # 计算校验码
        for byte in data:
            self.checkCode = (self.checkCode + byte) & 0xFF
        data += struct.pack('<B', self.checkCode)
        
        return data

    def unpack(self, data):
        if len(data) < 4 + self.length + 1:  # 头部4字节+数据长度+校验码1字节
            return False
            
        self.start1 = data[0]
        self.start2 = data[1]
        self.id = struct.unpack_from('<H', data, 2)[0]
        self.length = struct.unpack_from('<H', data, 4)[0]
        
        offset = 6  # 头部结束位置
        self.unit1CircuitBreaker = data[offset]; offset +=1
        self.unit2CircuitBreaker = data[offset]; offset +=1
        self.unit3CircuitBreaker = data[offset]; offset +=1
        self.unit5CircuitBreaker = data[offset]; offset +=1
        self.bowPZDeviceCircuitBreaker = data[offset]; offset +=1
        self.reservedCircuitBreaker1 = data[offset]; offset +=1
        self.reservedCircuitBreaker2 = data[offset]; offset +=1
        self.emergencyLithiumBatteryGroup1CircuitBreaker = data[offset]; offset +=1
        self.powerFailureSignal = data[offset]; offset +=1
        self.waterIngressionAlarm = data[offset]; offset +=1
        self.instrumentBusbarVoltage = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.instrumentBusbarCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.unit1Current = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.unit2Current = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.unit3Current = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.unit5Current = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.bowPZDeviceCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.emergencyLithiumBatteryGroup1Current = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.emergency1BusbarVoltage = struct.unpack_from('<H', data, offset)[0]; offset +=2
        
        # 校验校验码
        checkCode = 0
        for byte in data[:-1]:  # 不包括校验码本身
            checkCode = (checkCode + byte) & 0xFF
            
        return checkCode == data[-1]

# 动力母线配电指令
class msg_disHVBCmdMsg:
    def __init__(self):
        self.start1 = 0x40
        self.start2 = 0x40
        self.id = 0x0001
        self.length = 18  # disHighVolBusCmd结构体大小
        self.checkCode = 0x00
        
        # disHighVolBusCmd成员
        self.fuelCellCircuitBreaker = 0x00
        self.powerLithiumBatteryCircuitBreaker = 0x00
        self.propulsionMotorCircuitBreaker = 0x00
        self.lithiumBatteryGroupInstrumentCircuitBreaker = 0x00
        self.dcDc5ModuleCircuitBreaker = 0x00
        self.bowHighVoltageDistributionBoxCircuitBreaker = 0x00
        self.sternFTDevice45CircuitBreaker = 0x00
        self.sternRudderSwitch1CircuitBreaker = 0x00
        self.sternRudderSwitch2CircuitBreaker = 0x00
        self.fbReservedCircuitBreaker = 0x00
        self.tyzReservedCircuitBreaker = 0x00
        self.reservedCircuitBreaker = 0x00
        self.dcdc5Module = 0x00
        self.coolingSystem = 0x00

    def pack(self):
        self.checkCode = 0x00
        data = struct.pack('<B', self.start1)
        data += struct.pack('<B', self.start2)
        data += struct.pack('<H', self.id)
        data += struct.pack('<H', self.length)
        
        # 打包数据部分
        data += struct.pack('<B', self.fuelCellCircuitBreaker)
        data += struct.pack('<B', self.powerLithiumBatteryCircuitBreaker)
        data += struct.pack('<B', self.propulsionMotorCircuitBreaker)
        data += struct.pack('<B', self.lithiumBatteryGroupInstrumentCircuitBreaker)
        data += struct.pack('<B', self.dcDc5ModuleCircuitBreaker)
        data += struct.pack('<B', self.bowHighVoltageDistributionBoxCircuitBreaker)
        data += struct.pack('<B', self.sternFTDevice45CircuitBreaker)
        data += struct.pack('<B', self.sternRudderSwitch1CircuitBreaker)
        data += struct.pack('<B', self.sternRudderSwitch2CircuitBreaker)
        data += struct.pack('<B', self.fbReservedCircuitBreaker)
        data += struct.pack('<B', self.tyzReservedCircuitBreaker)
        data += struct.pack('<B', self.reservedCircuitBreaker)
        data += struct.pack('<B', self.dcdc5Module)
        data += struct.pack('<B', self.coolingSystem)
        
        # 计算校验码
        for byte in data:
            self.checkCode = (self.checkCode + byte) & 0xFF
        data += struct.pack('<B', self.checkCode)
        
        return data

    def unpack(self, data):
        if len(data) < 4 + self.length + 1:  # 头部4字节+数据长度+校验码1字节
            return False
            
        self.start1 = data[0]
        self.start2 = data[1]
        self.id = struct.unpack_from('<H', data, 2)[0]
        self.length = struct.unpack_from('<H', data, 4)[0]
        
        offset = 6  # 头部结束位置
        self.fuelCellCircuitBreaker = data[offset]; offset +=1
        self.powerLithiumBatteryCircuitBreaker = data[offset]; offset +=1
        self.propulsionMotorCircuitBreaker = data[offset]; offset +=1
        self.lithiumBatteryGroupInstrumentCircuitBreaker = data[offset]; offset +=1
        self.dcDc5ModuleCircuitBreaker = data[offset]; offset +=1
        self.bowHighVoltageDistributionBoxCircuitBreaker = data[offset]; offset +=1
        self.sternFTDevice45CircuitBreaker = data[offset]; offset +=1
        self.sternRudderSwitch1CircuitBreaker = data[offset]; offset +=1
        self.sternRudderSwitch2CircuitBreaker = data[offset]; offset +=1
        self.fbReservedCircuitBreaker = data[offset]; offset +=1
        self.tyzReservedCircuitBreaker = data[offset]; offset +=1
        self.reservedCircuitBreaker = data[offset]; offset +=1
        self.dcdc5Module = data[offset]; offset +=1
        self.coolingSystem = data[offset]; offset +=1
        
        # 校验校验码
        checkCode = 0
        for byte in data[:-1]:  # 不包括校验码本身
            checkCode = (checkCode + byte) & 0xFF
            
        return checkCode == data[-1]

# 动力汇流排A配电指令
class msg_disHVBACmdMsg:
    def __init__(self):
        self.start1 = 0x40
        self.start2 = 0x40
        self.id = 0x0002
        self.length = 6  # disHighAVolBusCmd结构体大小(6个unsigned char)
        self.checkCode = 0x00
        
        # disHighAVolBusCmd成员
        self.bowFTDevice123CircuitBreaker = 0x00
        self.actuatorCircuitBreaker = 0x00
        self.mastSteeringGearControlBoxCircuitBreaker = 0x00
        self.xczCircuitBreaker = 0x00
        self.bowRudderControlBoxCircuitBreaker = 0x00
        self.openWaterCoverStartCylinderCircuitBreaker = 0x00

    def pack(self):
        self.checkCode = 0x00
        data = struct.pack('<B', self.start1)
        data += struct.pack('<B', self.start2)
        data += struct.pack('<H', self.id)
        data += struct.pack('<H', self.length)
        
        # 打包数据部分(6个断路器)
        data += struct.pack('<B', self.bowFTDevice123CircuitBreaker)
        data += struct.pack('<B', self.actuatorCircuitBreaker)
        data += struct.pack('<B', self.mastSteeringGearControlBoxCircuitBreaker)
        data += struct.pack('<B', self.xczCircuitBreaker)
        data += struct.pack('<B', self.bowRudderControlBoxCircuitBreaker)
        data += struct.pack('<B', self.openWaterCoverStartCylinderCircuitBreaker)
        
        # 计算校验码
        for byte in data:
            self.checkCode = (self.checkCode + byte) & 0xFF
        data += struct.pack('<B', self.checkCode)
        
        return data

    def unpack(self, data):
        if len(data) < 4 + self.length + 1:  # 头部4字节+数据长度+校验码1字节
            return False
            
        self.start1 = data[0]
        self.start2 = data[1]
        self.id = struct.unpack_from('<H', data, 2)[0]
        self.length = struct.unpack_from('<H', data, 4)[0]
        
        offset = 6  # 头部结束位置
        self.bowFTDevice123CircuitBreaker = data[offset]; offset +=1
        self.actuatorCircuitBreaker = data[offset]; offset +=1
        self.mastSteeringGearControlBoxCircuitBreaker = data[offset]; offset +=1
        self.xczCircuitBreaker = data[offset]; offset +=1
        self.bowRudderControlBoxCircuitBreaker = data[offset]; offset +=1
        self.openWaterCoverStartCylinderCircuitBreaker = data[offset]; offset +=1
        self.bowRudderControlBoxCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        self.openWaterCoverStartCylinderCurrent = struct.unpack_from('<H', data, offset)[0]; offset +=2
        
        # 校验校验码
        checkCode = 0
        for byte in data[:-1]:  # 不包括校验码本身
            checkCode = (checkCode + byte) & 0xFF
            
        return checkCode == data[-1]
# 仪表母线配电指令
class msg_disLVMBCmdMsg:
    def __init__(self):
        self.start1 = 0x40
        self.start2 = 0x40
        self.id = 0x0003
        self.length = 8  # disLowMainBusCmd结构体大小
        self.checkCode = 0x00
        
        # disLowMainBusCmd成员
        self.lithiumBatteryGroupInstrumentCircuitBreaker = 0x00
        self.bowLowVoltageDistributionBoxCircuitBreaker = 0x00
        self.unit4InstrumentDC48VCircuitBreaker = 0x00
        self.dcC1DCDistributionPanelCircuitBreaker = 0x00
        self.reservedCircuitBreaker1 = 0x00
        self.reservedCircuitBreaker2 = 0x00
        self.emergencyLithiumBatteryGroup2CircuitBreaker = 0x00

    def pack(self):
        self.checkCode = 0x00
        data = struct.pack('<B', self.start1)
        data += struct.pack('<B', self.start2)
        data += struct.pack('<H', self.id)
        data += struct.pack('<H', self.length)
        
        # 打包数据部分
        data += struct.pack('<B', self.lithiumBatteryGroupInstrumentCircuitBreaker)
        data += struct.pack('<B', self.bowLowVoltageDistributionBoxCircuitBreaker)
        data += struct.pack('<B', self.unit4InstrumentDC48VCircuitBreaker)
        data += struct.pack('<B', self.dcC1DCDistributionPanelCircuitBreaker)
        data += struct.pack('<B', self.reservedCircuitBreaker1)
        data += struct.pack('<B', self.reservedCircuitBreaker2)
        data += struct.pack('<B', self.emergencyLithiumBatteryGroup2CircuitBreaker)
        
        # 计算校验码
        for byte in data:
            self.checkCode = (self.checkCode + byte) & 0xFF
        data += struct.pack('<B', self.checkCode)
        
        return data

    def unpack(self, data):
        if len(data) < 4 + self.length + 1:  # 头部4字节+数据长度+校验码1字节
            return False
            
        self.start1 = data[0]
        self.start2 = data[1]
        self.id = struct.unpack_from('<H', data, 2)[0]
        self.length = struct.unpack_from('<H', data, 4)[0]
        
        offset = 6  # 头部结束位置
        self.lithiumBatteryGroupInstrumentCircuitBreaker = data[offset]; offset +=1
        self.bowLowVoltageDistributionBoxCircuitBreaker = data[offset]; offset +=1
        self.unit4InstrumentDC48VCircuitBreaker = data[offset]; offset +=1
        self.dcC1DCDistributionPanelCircuitBreaker = data[offset]; offset +=1
        self.reservedCircuitBreaker1 = data[offset]; offset +=1
        self.reservedCircuitBreaker2 = data[offset]; offset +=1
        self.emergencyLithiumBatteryGroup2CircuitBreaker = data[offset]; offset +=1
        
        # 校验校验码
        checkCode = 0
        for byte in data[:-1]:  # 不包括校验码本身
            checkCode = (checkCode + byte) & 0xFF
            
        return checkCode == data[-1]

# 仪表汇流排配电指令
class msg_disLVBCmdMsg:
    def __init__(self):
        self.start1 = 0x40
        self.start2 = 0x40
        self.id = 0x0004
        self.length = 8  # disLowBusCmd结构体大小
        self.checkCode = 0x00
        
        # disLowBusCmd成员
        self.unit1CircuitBreaker = 0x00
        self.unit2CircuitBreaker = 0x00
        self.unit3CircuitBreaker = 0x00
        self.unit5CircuitBreaker = 0x00
        self.bowPZDeviceCircuitBreaker = 0x00
        self.reservedCircuitBreaker1 = 0x00
        self.reservedCircuitBreaker2 = 0x00
        self.emergencyLithiumBatteryGroup1CircuitBreaker = 0x00

    def pack(self):
        self.checkCode = 0x00
        data = struct.pack('<B', self.start1)
        data += struct.pack('<B', self.start2)
        data += struct.pack('<H', self.id)
        data += struct.pack('<H', self.length)
        
        # 打包数据部分
        data += struct.pack('<B', self.unit1CircuitBreaker)
        data += struct.pack('<B', self.unit2CircuitBreaker)
        data += struct.pack('<B', self.unit3CircuitBreaker)
        data += struct.pack('<B', self.unit5CircuitBreaker)
        data += struct.pack('<B', self.bowPZDeviceCircuitBreaker)
        data += struct.pack('<B', self.reservedCircuitBreaker1)
        data += struct.pack('<B', self.reservedCircuitBreaker2)
        data += struct.pack('<B', self.emergencyLithiumBatteryGroup1CircuitBreaker)
        
        # 计算校验码
        for byte in data:
            self.checkCode = (self.checkCode + byte) & 0xFF
        data += struct.pack('<B', self.checkCode)
        
        return data

    def unpack(self, data):
        if len(data) < 4 + self.length + 1:  # 头部4字节+数据长度+校验码1字节
            return False
            
        self.start1 = data[0]
        self.start2 = data[1]
        self.id = struct.unpack_from('<H', data, 2)[0]
        self.length = struct.unpack_from('<H', data, 4)[0]
        
        offset = 6  # 头部结束位置
        self.unit1CircuitBreaker = data[offset]; offset +=1
        self.unit2CircuitBreaker = data[offset]; offset +=1
        self.unit3CircuitBreaker = data[offset]; offset +=1
        self.unit5CircuitBreaker = data[offset]; offset +=1
        self.bowPZDeviceCircuitBreaker = data[offset]; offset +=1
        self.reservedCircuitBreaker1 = data[offset]; offset +=1
        self.reservedCircuitBreaker2 = data[offset]; offset +=1
        self.emergencyLithiumBatteryGroup1CircuitBreaker = data[offset]; offset +=1
        
        # 校验校验码
        checkCode = 0
        for byte in data[:-1]:  # 不包括校验码本身
            checkCode = (checkCode + byte) & 0xFF
            
        return checkCode == data[-1]