Car: implement MG ZS EV

car/mg_zs_ev.py

@@ -0,0 +1,125 @@
+""" Module for the MG ZS EV """
+from .car import Car
+from .isotp_decoder import IsoTpDecoder
+
+BMS_RX = 0x789
+BMS_TX = 0x781
+DCDC_RX = 0x785
+DCDC_TX = 0x78d
+VCU_RX = 0x7eb
+VCU_TX = 0x7e3
+ATC_RX = 0x758
+ATC_TX = 0x750
+BCM_RX = 0x748
+BCM_TX = 0x740
+TPMS_RX = 0x72c
+TPMS_TX = 0x724
+IPK_RX = 0x768
+IPK_TX = 0x760
+
+CMD_AUX_VOLTAGE = bytes.fromhex('220112')   # VCU
+CMD_CHARGE_STATE = bytes.fromhex('22b71b')  # VCU (1=connected, 0=disconnected)
+CMD_SOC_BMS = bytes.fromhex('22b046')       # BMS
+#CMD_SOC = bytes.fromhex('229001')
+CMD_VOLTAGE = bytes.fromhex('22b042')       # BMS
+CMD_CURRENT = bytes.fromhex('22b043')       # BMS
+CMD_ODO = bytes.fromhex('22b101')           # IPK
+CMD_SOH = bytes.fromhex('22b061')           # BMS
+CMD_IGNITION = bytes.fromhex('22b18c')      # VCU
+CMD_OUT_TEMP = bytes.fromhex('22e01b')      # ATC
+
+Fields = [
+    {'cmd': CMD_AUX_VOLTAGE, 'canrx': VCU_RX, 'cantx': VCU_TX,
+     'fields': (
+         {'padding': 3},
+         {'name': 'auxBatteryVoltage', 'width': 1, 'scale': .1},
+     )
+     },
+    {'cmd': CMD_CHARGE_STATE, 'canrx': VCU_RX, 'cantx': VCU_TX,
+     'fields': (
+         {'padding': 3},
+         {'name': 'charge_state', 'width': 1},
+     )
+     },
+    # {'cmd': CMD_SOC, 'canrx': BMS_RX, 'cantx': BMS_TX,
+    #  'fields': (
+    #      {'padding': 3},
+    #      {'name': 'SOC_DISPLAY', 'width': 2, 'scale': .01},
+    #  )
+    #  },
+    {'cmd': CMD_SOC_BMS, 'canrx': BMS_RX, 'cantx': BMS_TX,
+     'fields': (
+         {'padding': 3},
+         {'name': 'SOC_BMS', 'width': 2, 'scale': .1},
+     )
+     },
+    {'cmd': CMD_VOLTAGE, 'canrx': BMS_RX, 'cantx': BMS_TX,
+     'fields': (
+         {'padding': 3},
+         {'name': 'dcBatteryVoltage', 'width': 2, 'scale': .25},
+     )
+     },
+    {'cmd': CMD_CURRENT, 'canrx': BMS_RX, 'cantx': BMS_TX,
+     'fields': (
+         {'padding': 3},
+         {'name': 'dcBatteryCurrent', 'width': 2, 'offset': -1000, 'scale': .025},
+     )
+     },
+    {'cmd': CMD_ODO, 'canrx': IPK_RX, 'cantx': IPK_TX,
+     'fields': (
+         {'padding': 3},
+         {'name': 'odo', 'width': 3},
+     )
+     },
+    {'cmd': CMD_SOH, 'canrx': BMS_RX, 'cantx': BMS_TX,
+     'fields': (
+         {'padding': 3},
+         {'name': 'soh', 'width': 2, 'scale': .01},
+     )
+     },
+    {'cmd': CMD_OUT_TEMP, 'canrx': ATC_RX, 'cantx': ATC_TX,
+     'fields': (
+         {'padding': 3},
+         {'name': 'externalTemperature', 'width': 2, 'scale': .1, 'offset': -40},
+     )
+     },
+    {'computed': True,
+     'fields': (
+         {'name': 'dcBatteryPower',
+          'lambda': lambda d: d['dcBatteryCurrent'] * d['dcBatteryVoltage'] / 1000.0},
+         {'name': 'charging',
+          'lambda': lambda d: int(d['charge_state'] != 0)},
+     )
+     },
+]
+
+
+class MgZsEv(Car):
+    """ Class for MG ZS EV """
+
+    def __init__(self, config, dongle, watchdog, gps):
+        Car.__init__(self, config, dongle, watchdog, gps)
+        self._dongle.set_protocol('CAN_11_500')
+        self._isotp = IsoTpDecoder(self._dongle, Fields)
+
+    def read_dongle(self, data):
+        """ Read and parse data from dongle """
+        data.update(self.get_base_data())
+        data.update(self._isotp.get_data())
+
+    @staticmethod
+    def get_base_data():
+        return {
+            "CAPACITY": 42,
+            "SLOW_SPEED": 3.6,
+            "NORMAL_SPEED": 6.6,
+            "FAST_SPEED": 76.0
+        }
+
+    @staticmethod
+    def get_abrp_model():
+        return ''
+
+    @staticmethod
+    def get_evn_model():
+        return 'MG_ZS_EV'