mirror of
https://github.com/uhi22/pyPLC.git
synced 2024-11-20 01:13:58 +00:00
commit
8293b77789
6 changed files with 150 additions and 23 deletions
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@ -44,6 +44,10 @@ light_bulb_demo = no
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# Possible values: yes or no
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soc_simulation = yes
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# Precharge simulation
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# In EVSE mode simulate precharging rather than using physical value
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evse_simulate_precharge = yes
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# Device selection for the digital outputs, for CP state and power relays
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# Possible options:
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# dieter: Serial controlled device, which controls the digital outputs. E.g. arduino from https://github.com/uhi22/dieter
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@ -52,6 +56,7 @@ soc_simulation = yes
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digital_output_device = dieter
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#digital_output_device = beaglebone
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#digital_output_device = celeron55device
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#digital_output_device = mqtt
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# Device to read the physically measured inlet voltage in PevMode
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@ -62,6 +67,7 @@ digital_output_device = dieter
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#analog_input_device = dieter
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analog_input_device = none
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#analog_input_device = celeron55device
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#analog_input_device = mqtt
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# Criteria for ending the PreCharge phase in PevMode
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@ -89,6 +95,9 @@ u_delta_max_for_end_of_precharge = 10
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# auto
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serial_port = auto
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serial_baud = 19200
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# MQTT broker and base topic in case MQTT is used
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mqtt_broker = localhost
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mqtt_topic = pyPlc
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# The target voltage used in the CurrentDemandRequest.
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# This is a value for first try-outs. Better would
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@ -131,10 +140,13 @@ 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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# Possible values:
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# mqtt: pyPLC is used as a bridge between an MQTT broker and the car or EVSE
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# chademo: pyPLC is used as bridge between a CCS charger and a CHAdeMO* car.
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# Limitations/explanations here: https://openinverter.org/forum/viewtopic.php?p=57894#p57894 and
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# https://openinverter.org/forum/viewtopic.php?t=1063 (Is it possible to make a CCS to CHAdeMO adapter?)
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# none: all other use cases
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#charge_parameter_backend = chademo
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#charge_parameter_backend = mqtt
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charge_parameter_backend = none
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# REST callback for SoC states. Comment out to disable. Do not leave a trailing slash
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15
fsmEvse.py
15
fsmEvse.py
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@ -27,6 +27,7 @@ class fsmEvse():
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def publishStatus(self, s):
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self.callbackShowStatus(s, "evseState")
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self.hardwareInterface.displayState(s)
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def publishSoCs(self, current_soc: int, full_soc: int = -1, energy_capacity: int = -1, energy_request: int = -1, evccid: str = "", origin: str = ""):
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if self.callbackSoCStatus is not None:
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@ -262,7 +263,12 @@ class fsmEvse():
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self.simulatedPresentVoltage += 20
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if (self.simulatedPresentVoltage<uTarget):
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self.simulatedPresentVoltage += 5
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strPresentVoltage = str(int(self.simulatedPresentVoltage*10)/10) # "345"
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if getConfigValueBool('evse_simulate_precharge'):
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strPresentVoltage = str(int(self.simulatedPresentVoltage*10)/10) # "345"
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else:
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strPresentVoltage = str(self.hardwareInterface.getInletVoltage())
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# in case we control a real power supply: give the precharge target to it
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self.hardwareInterface.setPowerSupplyVoltageAndCurrent(uTarget, 1)
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self.callbackShowStatus(strPresentVoltage, "EVSEPresentVoltage")
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@ -322,7 +328,8 @@ class fsmEvse():
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strEVTargetCurrentValue = jsondict["EVTargetCurrent.Value"]
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strEVTargetCurrentMultiplier = jsondict["EVTargetCurrent.Multiplier"]
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iTarget = combineValueAndMultiplier(strEVTargetCurrentValue, strEVTargetCurrentMultiplier)
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self.addToTrace("EV wants EVTargetVoltage " + str(uTarget))
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self.addToTrace("EV wants EVTargetVoltage " + str(uTarget) + " and EVTargetCurrent " + str(iTarget))
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self.hardwareInterface.setPowerSupplyVoltageAndCurrent(uTarget, iTarget)
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current_soc = int(jsondict.get("DC_EVStatus.EVRESSSOC", -1))
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full_soc = int(jsondict.get("FullSOC", -1))
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energy_capacity = int(jsondict.get("EVEnergyCapacity.Value", -1))
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@ -336,9 +343,9 @@ class fsmEvse():
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except:
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self.addToTrace("ERROR: Could not decode the CurrentDemandReq")
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self.simulatedPresentVoltage = uTarget + 3*random() # The charger provides the voltage which is demanded by the car.
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strPresentVoltage = str(int(self.simulatedPresentVoltage*10)/10) # "345"
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strPresentVoltage = str(self.hardwareInterface.getInletVoltage()) #str(self.simulatedPresentVoltage)
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self.callbackShowStatus(strPresentVoltage, "EVSEPresentVoltage")
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strEVSEPresentCurrent = "1" # Just as a dummy current
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strEVSEPresentCurrent = str(self.hardwareInterface.getAccuMaxCurrent()) #"1" # Just as a dummy current
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if (self.blChargeStopTrigger == 1):
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# User pressed the STOP button on the charger. Send EVSE_Shutdown.
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self.addToTrace("User pressed the STOP button on the charger. Sending EVSE_Shutdown.")
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@ -286,6 +286,7 @@ class fsmPev():
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self.sessionId = strSessionId
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except:
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self.addToTrace("ERROR: Could not decode the sessionID")
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if ((strResponseCode!="OK_NewSessionEstablished") and (strResponseCode!="OK")):
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# According to the standard, the only valid response code is OK_NewSessionEstablished.
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# But the ABB chargers use "OK", so we need to accept this, too. Discussed
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@ -12,8 +12,12 @@ from time import sleep, time
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from configmodule import getConfigValue, getConfigValueBool
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import sys # For exit_on_session_end hack
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PinCp = "P8_18"
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PinPowerRelay = "P8_16"
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PinCp = "P9_41"
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PinPowerRelay = "P9_17"
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if (getConfigValue("digital_output_device")=="mqtt"):
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# If we use MQTT as a hardware interface import it here
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import paho.mqtt.client as mqtt
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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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@ -85,12 +89,18 @@ class hardwareInterface():
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def addToTrace(self, s):
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self.callbackAddToTrace("[HARDWAREINTERFACE] " + s)
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def displayState(self, state):
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if (getConfigValue("digital_output_device")=="mqtt"):
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self.mqttclient.publish(getConfigValue("mqtt_topic") + "/fsm_state", state)
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def setStateB(self):
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self.addToTrace("Setting CP line into state B.")
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if (getConfigValue("digital_output_device")=="beaglebone"):
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GPIO.output(PinCp, GPIO.LOW)
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if (getConfigValue("digital_output_device")=="celeron55device"):
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self.ser.write(bytes("cp=0\n", "utf-8"))
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if (getConfigValue("digital_output_device")=="mqtt"):
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self.mqttclient.publish(getConfigValue("mqtt_topic") + "/cpstate", "B")
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self.outvalue &= ~1
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def setStateC(self):
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@ -99,6 +109,8 @@ class hardwareInterface():
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GPIO.output(PinCp, GPIO.HIGH)
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if (getConfigValue("digital_output_device")=="celeron55device"):
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self.ser.write(bytes("cp=1\n", "utf-8"))
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if (getConfigValue("digital_output_device")=="mqtt"):
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self.mqttclient.publish(getConfigValue("mqtt_topic") + "/cpstate", "C")
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self.outvalue |= 1
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def setPowerRelayOn(self):
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@ -107,6 +119,8 @@ class hardwareInterface():
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GPIO.output(PinPowerRelay, GPIO.HIGH)
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if (getConfigValue("digital_output_device")=="celeron55device"):
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self.ser.write(bytes("contactor=1\n", "utf-8"))
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if (getConfigValue("digital_output_device")=="mqtt"):
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self.mqttclient.publish(getConfigValue("mqtt_topic") + "/relay_request", "on")
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self.outvalue |= 2
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def setPowerRelayOff(self):
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@ -115,6 +129,8 @@ class hardwareInterface():
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GPIO.output(PinPowerRelay, GPIO.LOW)
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if (getConfigValue("digital_output_device")=="celeron55device"):
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self.ser.write(bytes("contactor=0\n", "utf-8"))
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if (getConfigValue("digital_output_device")=="mqtt"):
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self.mqttclient.publish(getConfigValue("mqtt_topic") + "/relay_request", "off")
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self.outvalue &= ~2
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def setRelay2On(self):
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@ -134,12 +150,16 @@ class hardwareInterface():
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self.addToTrace("Locking the connector")
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if (getConfigValue("digital_output_device")=="celeron55device"):
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self.ser.write(bytes("lock\n", "utf-8"))
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if (getConfigValue("digital_output_device")=="mqtt"):
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self.mqttclient.publish(getConfigValue("mqtt_topic") + "/lock_request", "lock")
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# todo control the lock motor into lock direction until the end (time based or current based stopping?)
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def triggerConnectorUnlocking(self):
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self.addToTrace("Unocking the connector")
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self.addToTrace("Unlocking the connector")
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if (getConfigValue("digital_output_device")=="celeron55device"):
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self.ser.write(bytes("unlock\n", "utf-8"))
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if (getConfigValue("digital_output_device")=="mqtt"):
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self.mqttclient.publish(getConfigValue("mqtt_topic") + "/lock_request", "unlock")
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# todo control the lock motor into unlock direction until the end (time based or current based stopping?)
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def isConnectorLocked(self):
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@ -149,16 +169,29 @@ class hardwareInterface():
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return 1 # todo: use the real connector lock feedback
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def setChargerParameters(self, maxVoltage, maxCurrent):
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self.addToTrace("Setting charger parameters maxVoltage=%d V, maxCurrent=%d A" % (maxVoltage, maxCurrent))
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self.maxChargerVoltage = int(maxVoltage)
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self.maxChargerCurrent = int(maxCurrent)
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if getConfigValue("charge_parameter_backend") == "mqtt":
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self.mqttclient.publish(getConfigValue("mqtt_topic") + "/charger_max_voltage", str(maxVoltage))
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self.mqttclient.publish(getConfigValue("mqtt_topic") + "/charger_max_current", str(maxCurrent))
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def setChargerVoltageAndCurrent(self, voltageNow, currentNow):
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self.addToTrace("Setting charger present values Voltage=%d V, Current=%d A" % (voltageNow, currentNow))
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self.chargerVoltage = int(voltageNow)
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self.chargerCurrent = int(currentNow)
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if getConfigValue("charge_parameter_backend") == "mqtt":
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self.mqttclient.publish(getConfigValue("mqtt_topic") + "/charger_voltage", voltageNow)
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self.mqttclient.publish(getConfigValue("mqtt_topic") + "/charger_current", currentNow)
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def setPowerSupplyVoltageAndCurrent(self, targetVoltage, targetCurrent):
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# if we are the charger, and have a real power supply which we want to control, we do it here
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self.homeplughandler.sendSpecialMessageToControlThePowerSupply(targetVoltage, targetCurrent)
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#here we can publish the voltage and current requests received from the PEV side
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if getConfigValue("charge_parameter_backend") == "mqtt":
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self.mqttclient.publish(getConfigValue("mqtt_topic") + "/pev_voltage", str(targetVoltage))
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self.mqttclient.publish(getConfigValue("mqtt_topic") + "/pev_current", str(targetVoltage))
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def getInletVoltage(self):
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# uncomment this line, to take the simulated inlet voltage instead of the really measured
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@ -166,10 +199,8 @@ class hardwareInterface():
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return self.inletVoltage
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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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if getConfigValue("charge_parameter_backend") in ["chademo", "mqtt", "celeron55device"]:
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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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@ -182,15 +213,15 @@ 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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elif getConfigValue("charge_parameter_backend") in ["chademo", "mqtt"]:
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return self.accuMaxCurrent #set by CAN or MQTT
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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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def getAccuMaxVoltage(self):
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if getConfigValue("charge_parameter_backend")=="chademo":
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return self.accuMaxVoltage #set by CAN
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if getConfigValue("charge_parameter_backend") in ["chademo", "mqtt"]:
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return self.accuMaxVoltage #set by CAN or MQTT
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elif getConfigValue("charge_target_voltage"):
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self.accuMaxVoltage = getConfigValue("charge_target_voltage")
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else:
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@ -209,7 +240,7 @@ class hardwareInterface():
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def getSoc(self):
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if self.callbackShowStatus:
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self.callbackShowStatus(format(self.soc_percent,".1f"), "soc")
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if (getConfigValue("digital_output_device")=="celeron55device"):
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if (getConfigValue("digital_output_device") in ["celeron55device", "mqtt"]):
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return self.soc_percent
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#todo: get SOC from the BMS
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self.callbackShowStatus(format(self.simulatedSoc,".1f"), "soc")
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@ -239,6 +270,12 @@ class hardwareInterface():
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# Port configuration according to https://github.com/jsphuebner/pyPLC/commit/475f7fe9f3a67da3d4bd9e6e16dfb668d0ddb1d6
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GPIO.setup(PinPowerRelay, GPIO.OUT) #output for port relays
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GPIO.setup(PinCp, GPIO.OUT) #output for CP
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if (getConfigValue("digital_output_device") == "mqtt"):
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self.mqttclient = mqtt.Client()
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self.mqttclient.on_connect = self.mqtt_on_connect
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self.mqttclient.on_message = self.mqtt_on_message
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self.mqttclient.connect(getConfigValue("mqtt_broker"), 1883, 60)
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def __init__(self, callbackAddToTrace=None, callbackShowStatus=None, homeplughandler=None):
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self.callbackAddToTrace = callbackAddToTrace
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@ -400,6 +437,9 @@ class hardwareInterface():
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if (getConfigValue("digital_output_device")=="celeron55device"):
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self.mainfunction_celeron55device()
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if (getConfigValue("digital_output_device")=="mqtt"):
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self.mainfunction_mqtt()
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if getConfigValueBool("exit_on_session_end"):
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# TODO: This is a hack. Do this in fsmPev instead and publish some
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# of these values into there if needed.
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@ -477,7 +517,36 @@ class hardwareInterface():
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if self.accuMaxCurrent != 0:
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self.addToTrace("CHAdeMO: No current limit update for over 1s, setting current to 0")
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self.accuMaxCurrent = 0
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def mainfunction_mqtt(self):
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self.mqttclient.loop(timeout=0.1)
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# The callback for when the client receives a CONNACK response from the server.
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def mqtt_on_connect(self, client, userdata, flags, rc):
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self.addToTrace(f"MQTT connected with result code {rc}")
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# Subscribing in on_connect() means that if we lose the connection and
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# reconnect then subscriptions will be renewed.
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client.subscribe(getConfigValue("mqtt_topic") + "/#")
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def mqtt_on_message(self, client, userdata, msg):
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if msg.topic == getConfigValue("mqtt_topic") + "/battery_voltage":
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self.accuVoltage = float(msg.payload)
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self.addToTrace("MQTT: Set battery voltage to %f V" % self.accuVoltage)
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elif msg.topic == getConfigValue("mqtt_topic") + "/target_voltage":
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self.accuMaxVoltage = float(msg.payload)
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self.addToTrace("MQTT: Set target voltage to %f V" % self.accuMaxVoltage)
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elif msg.topic == getConfigValue("mqtt_topic") + "/target_current":
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self.accuMaxCurrent = float(msg.payload)
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self.addToTrace("MQTT: Set current request to %f A" % self.accuMaxCurrent)
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elif msg.topic == getConfigValue("mqtt_topic") + "/soc":
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self.simulatedSoc = float(msg.payload)
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self.soc_percent = self.simulatedSoc
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self.addToTrace("MQTT: Set SoC to %f %%" % self.simulatedSoc)
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elif msg.topic == getConfigValue("mqtt_topic") + "/inlet_voltage":
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self.inletVoltage = float(msg.payload)
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self.addToTrace("MQTT: Set inlet voltage to %f V" % self.inletVoltage)
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def myPrintfunction(s):
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print("myprint " + s)
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@ -488,6 +557,8 @@ if __name__ == "__main__":
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hw.mainfunction()
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if (i==20):
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hw.showOnDisplay("Hello", "A DEMO", "321.0V")
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hw.setChargerParameters(500, 125)
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hw.setChargerVoltageAndCurrent(360, 100)
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if (i==50):
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hw.setStateC()
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if (i==100):
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@ -505,6 +576,6 @@ if __name__ == "__main__":
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hw.setRelay2Off()
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if (i==320):
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hw.showOnDisplay("This", "...is...", "DONE :-)")
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sleep(0.03)
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sleep(0.01)
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hw.close()
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print("finished.")
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26
simulateMqttBackend.py
Normal file
26
simulateMqttBackend.py
Normal file
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@ -0,0 +1,26 @@
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import paho.mqtt.client as mqtt
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from configmodule import getConfigValue, getConfigValueBool
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def mqtt_on_connect(client, userdata, flags, rc):
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client.subscribe(getConfigValue("mqtt_topic") + "/#")
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def mqtt_on_message(client, userdata, msg):
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global simulatedInletVoltage
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if msg.topic == getConfigValue("mqtt_topic") + "/fsm_state":
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if "CableCheck" in msg.payload.decode("utf-8"):
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simulatedInletVoltage = 0
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if "PreCharging" in msg.payload.decode("utf-8"):
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client.publish(getConfigValue("mqtt_topic") + "/inlet_voltage", simulatedInletVoltage)
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simulatedInletVoltage = simulatedInletVoltage + 15
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elif msg.topic == getConfigValue("mqtt_topic") + "/pev_voltage":
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client.publish(getConfigValue("mqtt_topic") + "/inlet_voltage", msg.payload)
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elif msg.topic == getConfigValue("mqtt_topic") + "/pev_current":
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client.publish(getConfigValue("mqtt_topic") + "/target_current", msg.payload)
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simulatedInletVoltage = 0
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mqttclient = mqtt.Client()
|
||||
mqttclient.on_connect = mqtt_on_connect
|
||||
mqttclient.on_message = mqtt_on_message
|
||||
mqttclient.connect(getConfigValue("mqtt_broker"), 1883, 60)
|
||||
|
||||
mqttclient.loop_forever()
|
22
starter.sh
22
starter.sh
|
@ -39,9 +39,11 @@ sysctl net.ipv6.conf.eth0.keep_addr_on_down=1
|
|||
# Todo: Why this needed? On raspberry, where the NetworkManager is not runnning, this disturbs, because
|
||||
# afterwards the pyPlc does not see the interfaces IPv6 address.
|
||||
# Todo: make this configurable, for the cases we need this.
|
||||
# ip link set eth0 down
|
||||
ip link set eth0 down
|
||||
ip link set can0 down
|
||||
sleep 1
|
||||
# ip link set eth0 up
|
||||
ip link set eth0 up
|
||||
ip link set can0 up type can restart-ms 100 bitrate 500000
|
||||
sleep 1
|
||||
|
||||
# show the addresses
|
||||
|
@ -53,17 +55,25 @@ pwd
|
|||
# create directory for the log files.
|
||||
mkdir -p log
|
||||
# prepare the file names for the log files
|
||||
pushd log
|
||||
gzip *.log || true
|
||||
popd
|
||||
date=$(date "+%Y-%m-%d_%H%M%S")
|
||||
logfile=./log/"$date"_pevNoGui.log
|
||||
tcpdump_logfile=./log/"$date"_tcpdump.pcap
|
||||
#logfile=./log/"$date"_pevNoGui.log
|
||||
#logfile=./log/pevNoGui.log
|
||||
index=`cat log/logindex`
|
||||
logfile=`printf "log/%04d_pevNoGui.log" $index`
|
||||
tcpdump_logfile=`printf "log/%04d_tcpdump.pcap" $index`
|
||||
index=$(($index + 1))
|
||||
echo $index > log/logindex
|
||||
|
||||
echo "logfile: $logfile"
|
||||
echo "tcpdump_logfile: $tcpdump_logfile"
|
||||
|
||||
# start the tcpdump
|
||||
start_tcpdump "$tcpdump_logfile"
|
||||
#start_tcpdump "$tcpdump_logfile"
|
||||
|
||||
echo "$date" >> "$logfile"
|
||||
echo "$date" > "$logfile"
|
||||
git log --oneline -1 >> "$logfile" || echo "Not a git repo" >> "$logfile"
|
||||
ip addr >> "$logfile"
|
||||
pwd >> "$logfile"
|
||||
|
|
Loading…
Reference in a new issue