energymath/controller/bms_balance_ctl.py

#!/usr/bin/env python
# -*- encoding: utf-8 -*-


from utils.globalvar import SD
from widget.bms_balance import Win_Balance


class BmsBalanceControll:
    def __init__(self):
        self._view = Win_Balance()
        self.init()

    def init(self):
        self._view.balance_control_signal.connect(self._cell_balance_ctl)
        
    def _cell_balance_ctl(self, cmu_id, cell_id, state):
        print(cmu_id, cell_id, state)
        try:
            data = []
            if len(data) < 8:
                data += (8 - len(data)) * [0]
            data[0] = 0x02
            data[1] = 0xC0
            data[2] = cmu_id
            data[3] = ((1 if (state > 0) else 0) << (cell_id - 1)) & 0xFF
            msg = SD.CAN_CONTROL.send((0x18 << 24) | (SD.BCU_ID << 16) | 0x1804, data)
        except:
            self._view.can_connect_error()