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Merge pull request #97 from jmcewen58/main
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Home Assistant MQTT support with Eclipse Paho client
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@ai-republic
ai-republic authored Feb 8, 2025
2 parents 474e219 + 5687c4e commit 8e8f346
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Showing 8 changed files with 427 additions and 6 deletions.
4 changes: 2 additions & 2 deletions bms-to-inverter-main/pom.xml
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Expand Up @@ -241,7 +241,7 @@
<!-- #################### SMA Sunny Island (CAN) ################### -->
<dependency>
<groupId>com.ai-republic.bms-to-inverter</groupId>
<artifactId>bms-sma-can</artifactId>
<artifactId>bms-sma-si-can</artifactId>
<version>${project.version}</version>
</dependency>

Expand Down Expand Up @@ -321,7 +321,7 @@
<!-- #################### SMA Sunny Island (CAN) ################### -->
<dependency>
<groupId>com.ai-republic.bms-to-inverter</groupId>
<artifactId>inverter-sma-can</artifactId>
<artifactId>inverter-sma-si-can</artifactId>
<version>${project.version}</version>
</dependency>

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6 changes: 3 additions & 3 deletions bms-to-inverter-main/src/main/java/com/airepublic/bmstoinverter/BmsToInverter.java
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Expand Up @@ -339,15 +339,15 @@ private void receivedData() {
if (mqttExternalProducer != null) {
// send energystorage data to external MQTT broker
try {
mqttProducer.sendMessage(energyStorage.toJson());
mqttExternalProducer.sendMessage(energyStorage.toJson());
} catch (final Throwable e) {
LOG.error("Failed to send MQTT message!", e);

// try to reconnect and resent message
try {
mqttProducer.close();
mqttExternalProducer.close();
initializeExternalMQTTProducer();
mqttProducer.sendMessage(energyStorage.toJson());
mqttExternalProducer.sendMessage(energyStorage.toJson());
} catch (final Exception e1) {
}

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59 changes: 59 additions & 0 deletions bms.json
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@@ -0,0 +1,59 @@
"batteryPacks": [{
"alarms": {},
"type": 0,
"ratedCapacitymAh": 0,
"ratedCellmV": 0,
"maxPackVoltageLimit": 546,
"minPackVoltageLimit": 480,
"maxPackChargeCurrent": 800,
"maxPackDischargeCurrent": 2000,
"maxChargeVoltage": 0,
"packVoltage": 526,
"packCurrent": 0,
"packSOC": 410,
"packSOH": 1000,
"maxCellVoltageLimit": 0,
"minCellVoltageLimit": 0,
"maxCellmV": 0,
"maxCellVNum": 0,
"minCellmV": 0,
"minCellVNum": 0,
"cellDiffmV": 0,
"tempMax": 0,
"tempMin": 0,
"tempAverage": 136,
"chargeDischargeStatus": 0,
"chargeMOSState": false,
"dischargeMOSState": false,
"forceCharge": false,
"bmsHeartBeat": 0,
"remainingCapacitymAh": 0,
"numberOfCells": 0,
"numOfTempSensors": 0,
"chargerState": false,
"loadState": false,
"dIO": [false, false, false, false, false, false, false, false],
"bmsCycles": 0,
"cellVmV": [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
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"cellBalanceState": [false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, 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false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false],
"cellBalanceActive": false,
"manufacturerCode": "ACME",
"hardwareVersion": "",
"softwareVersion": "",
"tempMaxCellNum": 0,
"tempMinCellNum": 0,
"maxModulemV": 0,
"minModulemV": 0,
"maxModulemVNum": 0,
"minModulemVNum": 0,
"maxModuleTemp": 0,
"minModuleTemp": 0,
"maxModuleTempNum": 0,
"minModuleTempNum": 0,
"modulesInSeries": 0,
"moduleNumberOfCells": 0,
"moduleVoltage": 0,
"moduleRatedCapacityAh": 0
}
]
91 changes: 91 additions & 0 deletions mqtt-bms.yaml
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#The bms-to-inverter project does not support Home Assistant MQTT discovery. Configuration must be done manually in config.yaml.
#Copy this file to Home Assistant config folder
#Modify configuration.yaml file in that folder, adding this line (remove the #):
#
#mqtt: !include mqtt-bms.yaml
#
#Note that if you already have MQTT entries in you configuration.yaml, you may need to modify the include approach.
#
#You can modify the below configuration as needed, adding or removing entities as required. If you add, make sure that the device info is identical.
#All entities are grouped under the device name, based on these identical entries
#To add, you can peruse the JSON file which captures the incoming data from bms-to-inverter. The JSON structure is independent of the BMS you are using.
#The example is from a typical #Chinese battery using the Pylon-CAN BMS, and is rather sparse in the data it produces.
#Note that here all of the numeric values are in tenths and so must be divided by 10 in the value template.
sensor:
- name: "State of Charge"
unique_id: "bms_packSOC"
state_topic: "bms/state"
value_template: "{{ value_json.batteryPacks[0].packSOC / 10 }}"
device_class: BATTERY
unit_of_measurement: "%"
device:
identifiers: "bms-to-inverter"
manufacturer: "ACME Batteries"
name: "Battery"
model: "LiFePO4 10kWh"
- name: "Charge Current"
unique_id: "bms_packCurrent"
state_topic: "bms/state"
value_template: "{{ value_json.batteryPacks[0].packCurrent / 10 }}"
device_class: CURRENT
unit_of_measurement: "A"
device:
identifiers: "bms-to-inverter"
manufacturer: "ACME Batteries"
name: "Battery"
model: "LiFePO4 10kWh"
- name: "Voltage"
unique_id: "bms_packVoltage"
state_topic: "bms/state"
value_template: "{{ value_json.batteryPacks[0].packVoltage / 10 }}"
device_class: VOLTAGE
unit_of_measurement: "V"
device:
identifiers: "bms-to-inverter"
manufacturer: "ACME Batteries"
name: "Battery"
model: "LiFePO4 10kWh"
- name: "Temperature"
unique_id: "bms_tempAverage"
state_topic: "bms/state"
value_template: "{{ value_json.batteryPacks[0].tempAverage / 10 }}"
device_class: TEMPERATURE
unit_of_measurement: "°C"
device:
identifiers: "bms-to-inverter"
manufacturer: "ACME Batteries"
name: "Battery"
model: "LiFePO4 10kWh"
- name: "Max Charge Current"
unique_id: "bms_maxPackChargeCurrent"
state_topic: "bms/state"
value_template: "{{ value_json.batteryPacks[0].maxPackChargeCurrent / 10 }}"
device_class: CURRENT
unit_of_measurement: "A"
device:
identifiers: "bms-to-inverter"
manufacturer: "ACME Batteries"
name: "Battery"
model: "LiFePO4 10kWh"
- name: "Max Discharge Current"
unique_id: "bms_maxPackDischargeCurrent"
state_topic: "bms/state"
value_template: "{{ value_json.batteryPacks[0].maxPackDischargeCurrent / 10 }}"
device_class: CURRENT
unit_of_measurement: "A"
device:
identifiers: "bms-to-inverter"
manufacturer: "ACME Batteries"
name: "Battery"
model: "LiFePO4 10kWh"
- name: "State of Health"
unique_id: "bms_packSOH"
state_topic: "bms/state"
value_template: "{{ value_json.batteryPacks[0].packSOH / 10 }}"
device_class: BATTERY
unit_of_measurement: "%"
device:
identifiers: "bms-to-inverter"
manufacturer: "ACME Batteries"
name: "Battery"
model: "LiFePO4 10kWh"
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