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added CHAdeMO backend
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parent
7f233f1baa
commit
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2 changed files with 65 additions and 1 deletions
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@ -99,6 +99,10 @@ testsuite_enable = No
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# in form of UDP Syslog messages. For details see in udplog.py.
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udp_syslog_enable = Yes
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# Set backend for obtaining charging parameters, we start with CHAdeMO CAN for now
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# Need to make a simulator device and maybe a celeron device?
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charge_parameter_backend = chademo
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# REST callback for SoC states. Comment out to disable. Do not leave a trailing slash
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soc_callback_enabled = False
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soc_callback_endpoint = http://1.1.1.1
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@ -16,6 +16,10 @@ if (getConfigValue("digital_output_device")=="beaglebone"):
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# In case we run on beaglebone, we want to use GPIO ports.
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import Adafruit_BBIO.GPIO as GPIO
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if (getConfigValue("charge_parameter_backend")=="chademo"):
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# In case we run on beaglebone, we want to use GPIO ports.
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import can
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class hardwareInterface():
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def needsSerial(self):
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# Find out, whether we need a serial port. This depends on several configuration items.
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@ -149,6 +153,8 @@ class hardwareInterface():
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def getAccuVoltage(self):
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if (getConfigValue("digital_output_device")=="celeron55device"):
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return self.accuVoltage
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elif getConfigValue("charge_parameter_backend")=="chademo":
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return self.accuVoltage
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#todo: get real measured voltage from the accu
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self.accuVoltage = 230
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return self.accuVoltage
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@ -161,6 +167,8 @@ class hardwareInterface():
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if self.accuMaxCurrent >= EVMaximumCurrentLimit:
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return EVMaximumCurrentLimit
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return self.accuMaxCurrent
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elif getConfigValue("charge_parameter_backend")=="chademo":
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return self.accuMaxCurrent #set by CAN
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#todo: get max charging current from the BMS
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self.accuMaxCurrent = 10
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return self.accuMaxCurrent
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@ -168,6 +176,8 @@ class hardwareInterface():
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def getAccuMaxVoltage(self):
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if getConfigValue("charge_target_voltage"):
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self.accuMaxVoltage = getConfigValue("charge_target_voltage")
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elif getConfigValue("charge_parameter_backend")=="chademo":
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return self.accuMaxVoltage #set by CAN
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else:
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#todo: get max charging voltage from the BMS
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self.accuMaxVoltage = 230
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@ -191,6 +201,13 @@ class hardwareInterface():
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return self.simulatedSoc
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def initPorts(self):
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if (getConfigValue("charge_parameter_backend") == "chademo"):
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filters = [
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{"can_id": 0x100, "can_mask": 0x7FF, "extended": False},
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{"can_id": 0x101, "can_mask": 0x7FF, "extended": False},
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{"can_id": 0x102, "can_mask": 0x7FF, "extended": False}]
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self.canbus = can.interface.Bus(bustype='socketcan', channel="can0", can_filters = filters)
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if (getConfigValue("digital_output_device") == "beaglebone"):
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# Port configuration according to https://github.com/jsphuebner/pyPLC/commit/475f7fe9f3a67da3d4bd9e6e16dfb668d0ddb1d6
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GPIO.setup("P8_16", GPIO.OUT) #output for port relays
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@ -209,6 +226,8 @@ class hardwareInterface():
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self.lock_confirmed = False # Confirmation from hardware
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self.cp_pwm = 0.0
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self.soc_percent = 0.0
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self.capacity = 0.0
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self.accuMaxVoltage = 0.0
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self.accuMaxCurrent = 0.0
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self.contactor_confirmed = False # Confirmation from hardware
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self.plugged_in = None # None means "not known yet"
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@ -336,6 +355,9 @@ class hardwareInterface():
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# 0.5 charging needs ~8s, good for automatic test case runs.
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self.simulatedSoc = self.simulatedSoc + deltaSoc
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if (getConfigValue("charge_parameter_backend")=="chademo"):
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self.mainfunction_chademo()
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if (getConfigValue("digital_output_device")=="dieter"):
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self.mainfunction_dieter()
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@ -377,6 +399,44 @@ class hardwareInterface():
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#self.addToTrace(str(len(s)) + " bytes received: " + s)
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self.evaluateReceivedData_celeron55device(s)
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def mainfunction_chademo(self):
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message = self.canbus.recv(0)
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if message:
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if message.arbitration_id == 0x100:
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vtg = (message.data[1] << 8) + message.data[0]
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if self.accuVoltage != vtg:
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self.addToTrace("CHAdeMO: Set battery voltage to %d V" % vtg)
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self.accuVoltage = vtg
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if self.capacity != message.data[6]:
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self.addToTrace("CHAdeMO: Set capacity to %d" % message.data[6])
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self.capacity = message.data[6]
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#TODO: determine maximum charger current and voltage and also actual current and voltage
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msg = can.Message(arbitration_id=0x108, data=[ 0, 0, 0, 125, 0, 0, 0, 0], is_extended_id=False)
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self.canbus.send(msg)
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#Report unspecified version 10, this makes our custom implementation send the
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#battery voltage in 0x100 bytes 0 and 1
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status = 4 #report connector locked
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msg = can.Message(arbitration_id=0x109, data=[ 10, 0, 0, 0, 0, 0, 0, 0], is_extended_id=False)
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self.canbus.send(msg)
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if message.arbitration_id == 0x102:
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vtg = (message.data[2] << 8) + message.data[1]
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if self.accuMaxVoltage != vtg:
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self.addToTrace("CHAdeMO: Set target voltage to %d V" % vtg)
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self.accuMaxVoltage = vtg
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if self.accuMaxCurrent != message.data[3]:
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self.addToTrace("CHAdeMO: Set current request to %d A" % message.data[3])
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self.accuMaxCurrent = message.data[3]
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if self.capacity > 0:
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soc = message.data[6] / self.capacity * 100
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if self.simulatedSoc != soc:
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self.addToTrace("CHAdeMO: Set SoC to %d %%" % soc)
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self.simulatedSoc = soc
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def myPrintfunction(s):
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print("myprint " + s)
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