add soh and port_voltage

Dockerfile

@@ -19,6 +19,5 @@ ENV PYTHONUNBUFFERED 1
 ENV RS485_REMOTE_IP=192.168.1.200
 ENV RS485_REMOTE_PORT=4196
 
-
 # Run socat in the background and then execute app.py
 CMD socat pty,link=/tmp/vcom0,raw tcp:$RS485_REMOTE_IP:$RS485_REMOTE_PORT,retry,interval=.2,forever & python fetch_bms_data.py

ha-sample/seplos_pack-1.yaml

@@ -158,6 +158,12 @@
     unit_of_measurement: 'V'
     value_template: "{{ value_json.status.voltage }}"
     unique_id: "seplos_pack_1_voltage"
+
+  - name: "Seplos Pack-1 Port Voltage"
+    state_topic: "seplos/pack-1/sensors"
+    unit_of_measurement: 'V'
+    value_template: "{{ value_json.status.port_voltage }}"
+    unique_id: "seplos_pack_1_port_voltage"
 
   # Capacity Sensors
   - name: "Seplos Pack-1 Capacity Rated"
@@ -178,7 +184,7 @@
     value_template: "{{ value_json.status.capacity_remain }}"
     unique_id: "seplos_pack_1_capacity_remain"
 
-  # SOC and Cycles Sensors
+  # SOC, SOH and Cycles Sensors
   - name: "Seplos Pack-1 SOC"
     state_topic: "seplos/pack-1/sensors"
     unit_of_measurement: '%'
@@ -189,6 +195,12 @@
     state_topic: "seplos/pack-1/sensors"
     value_template: "{{ value_json.status.cycles }}"
     unique_id: "seplos_pack_1_cycles"
+
+  - name: "Seplos Pack-1 SOH"
+    state_topic: "seplos/pack-1/sensors"
+    unit_of_measurement: '%'
+    value_template: "{{ value_json.status.soh }}"
+    unique_id: "seplos_pack_1_soh"
 
   # Alarm Cell Voltage Sensors
   - name: "Seplos Pack-1 Alarm Voltage Cell Low"

src/fetch_bms_data.py

@@ -117,11 +117,13 @@ def __init__(self, battery_pack_address):
 
             self.voltage = None
             self.current = None
+            self.port_voltage = None
 
             self.capacity_rated = None
             self.capacity = None
             self.capacity_remain = None
             self.soc = None
+            self.soh = None
 
             self.cycles = None
 
@@ -421,6 +423,8 @@ def decode_status_data(self, data):
                 soc_offset = 114
                 capacity_rated_offset = 118
                 cycles_offset = 122
+                soh_offset = 126
+                port_voltage_offset = 130
 
                 # fetch cell count
                 self.cell_count = self.int_from_1byte_hex_ascii(
@@ -500,15 +504,25 @@ def decode_status_data(self, data):
                 # fetch cycles
                 self.cycles = self.int_from_2byte_hex_ascii(data, cycles_offset)
                 status_data["cycles"] = self.cycles
+
+                # fetch soh
+                self.soh = self.int_from_2byte_hex_ascii(data, soh_offset) / 10
+                status_data["soh"] = self.soh
+
+                # fetch port voltage
+                self.port_voltage = self.int_from_2byte_hex_ascii(data, port_voltage_offset) / 100
+                status_data["port_voltage"] = self.port_voltage
 
                 logger.info("Current = {}A".format(self.current))
                 logger.info("Voltage = {}V".format(self.voltage))
+                logger.info("Port Voltage = {}V".format(self.port_voltage))
 
                 logger.info("Rated Capacity = {}Ah".format(self.capacity_rated))
                 logger.info("Capacity = {}Ah".format(self.capacity))
                 logger.info("Remaining Capacity = {}Ah".format(self.capacity_remain))
 
                 logger.info("SOC = {}%".format(self.soc))
+                logger.info("SOH = {}%".format(self.soh))
 
                 logger.info("Cycles = {}".format(self.cycles))