Persistent values after reboot for sensor_total_energy and sensor_total_daily_energy

components/pulse_meter.yaml

@@ -62,9 +62,11 @@ sensor:
         - light.turn_off:
             id: led_red
     filters:
-      # multiply value = (60 / imp value) * 1000
-      # - multiply: 60
-      - lambda: return x * ((60.0 / id(select_pulse_rate).state) * 1000.0);
+      # multiply value = 1 / imp value
+      # - multiply: 0.001
+      - lambda: |-
+          id(persist_sensor_total_energy) = id(sensor_total_energy).raw_state; # write sensor_total_energy to flash
+          return x * (1.0 / id(select_pulse_rate).state);
 
     total:
       id: sensor_total_energy
@@ -89,6 +91,7 @@ sensor:
     state_class: total_increasing
     device_class: energy
     accuracy_decimals: 3
+    restore: True
     filters:
       # Multiplication factor from W to kW is 0.001
-      - multiply: 0.001
+      - multiply: 0.001

home-assistant-glow/esp32.yaml

@@ -25,6 +25,11 @@ esphome:
   project:
     name: "klaasnicolaas.home-assistant-glow"
     version: "${project_version}"
+  on_boot:
+    then:
+      - pulse_meter.set_total_pulses:
+          id: sensor_energy_pulse_meter
+          value: !lambda "return id(persist_sensor_total_energy);"
 
 dashboard_import:
   package_import_url: github://klaasnicolaas/home-assistant-glow/home-assistant-glow/esp32.yaml@main
@@ -60,4 +65,12 @@ wifi:
 captive_portal:
 
 # To have a "next url" for improv serial
-web_server:
+web_server:
+
+preferences:
+  flash_write_interval: 5min
+
+globals:
+  id: persist_sensor_total_energy
+  type: float
+  restore_value: True