license_plate_recognition/bx/BxCmdTurnOnOff.py

from .BxCmd import baseBxCmd
from .BxCmdCode import CMD_TURN_ON_OFF


class BxCmdTurnOnOff(baseBxCmd):
    def __init__(self, on):
        super().__init__(CMD_TURN_ON_OFF.group, CMD_TURN_ON_OFF.code)
        self.on = on

    def Build(self):
        result = bytearray()
        # 写入命令组
        result.append(self.Group())
        # 写入命令
        result.append(self.Cmd())
        # 写入响应标志
        result.append(self.ReqResp())
        # 写入保留值
        result.append(0x00)
        result.append(0x00)
        # 写入开关状态
        if self.on:
            result.append(0x01)
        else:
            result.append(0x02)
        return bytes(result)


def NewBxCmdTurnOnOff(on):
    return BxCmdTurnOnOff(on)