Add bathroom humidity sensor and fan control unit

diff --git a/bathroom.yaml b/bathroom.yaml
new file mode 100644 (file)
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+++ b/bathroom.yaml
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+#
+# https://www.aliexpress.com/item/1005004099215436.html
+#
+# GPIO23: Onboard blue LED (used to show MQTT connectivity)
+# GPIO16: Onboard relay (bathroom fan)
+# GPIO13: DHT22
+
+esphome:
+  name: bathroom
+
+esp32:
+  board: esp32-gateway
+  framework:
+    type: arduino
+
+# Enable logging
+logger:
+  level: DEBUG
+
+ota:
+  password: !secret ota_upgrade_pw
+
+external_components:
+ - source:
+     type: local
+     path: ../git/esphome_syslog/components
+   components: [syslog]
+
+wifi:
+  ssid: !secret wifi_ssid
+  password: !secret wifi_pw
+
+script:
+    # Publish a value to Domoticz as an nvalue
+  - id: tell_domo_nvalue
+    mode: queued
+    parameters:
+      udevice: int
+      nvalue: int
+    then:
+      lambda: |-
+        id(mqtt_client).publish_json("domoticz/in", [=](JsonObject root) {
+                                                    root["command"] = "udevice";
+                                                    root["idx"] = udevice;
+                                                    root["nvalue"] = nvalue;
+                                                    });
+
+    # Publish a value to Domoticz as an svalue
+  - id: tell_domo_svalue
+    mode: queued
+    parameters:
+      udevice: int
+      svalue: string
+    then:
+      lambda: |-
+        id(mqtt_client).publish_json("domoticz/in", [=](JsonObject root) {
+                                                    root["command"] = "udevice";
+                                                    root["idx"] = udevice;
+                                                    root["svalue"] = svalue;
+                                                    });
+
+    # Publishto Domoticz as nvalue and svalues
+  - id: tell_domo_nsvalues
+    mode: queued
+    parameters:
+      udevice: int
+      nvalue: int
+      svalue: string
+    then:
+      lambda: |-
+        id(mqtt_client).publish_json("domoticz/in", [=](JsonObject root) {
+                                                    root["command"] = "udevice";
+                                                    root["idx"] = udevice;
+                                                    root["nvalue"] = nvalue;
+                                                    root["svalue"] = svalue;
+                                                    });
+
+#  # Enable fallback hotspot (captive portal) in case wifi connection fails
+#  ap:
+#    ssid: "Pool Fallback Hotspot"
+#    password: "JWWHJb38UzxY"
+#
+#  manual_ip: !include poolup.yaml
+#
+#captive_portal:
+
+syslog:
+    ip_address: !secret syslog_ip
+
+globals:
+  - id: relay_off_time
+    type: time_t
+    initial_value: '0'
+
+  - id: hum_threshold
+    type: float
+    initial_value: '50.0'
+    restore_value: true
+
+  - id: fan_delay
+    type: int
+    initial_value: '600'
+    restore_value: true
+
+time:
+  - platform: sntp
+    id: sntp_time
+    servers: !secret ntp_servers
+    on_time:
+      - seconds: /5
+        then:
+          lambda: |-
+            //ESP_LOGD("time", "off time %ld", (long)id(relay_off_time));
+            if (id(relay_off_time) && id(relay_off_time) < ::time(NULL)) {
+              id(fan_relay).turn_off();
+            }
+
+
+#network:
+#  enable_ipv6: true
+
+mqtt:
+  broker: !secret mqtt_server
+  port: 1884
+  discovery_prefix: ${mqtt_prefix}/homeassistant
+  log_topic: ${mqtt_prefix}/logs
+  username: "pool"
+  password: !secret pool_mqtt_pw
+  id: mqtt_client
+  on_connect:
+    then:
+      - light.turn_on: blue_led
+      - delay: 2s # Too soon and the first messages don't get through!
+      - lambda: |-
+         id(tell_domo_nvalue)->execute(522, id(fan_relay).state);
+         id(tell_domo_svalue)->execute(523, std::to_string(id(hum_threshold)));
+
+  on_disconnect:
+    then:
+      - light.turn_off: blue_led
+
+  on_json_message:
+    - topic: domoticz/out
+      then:
+        - lambda: |-
+            int idx = x["idx"];
+            int nvalue = x["nvalue"].as<int>();
+
+            // ESP_LOGD("on_json_message", x["name"]);
+            switch (idx) {
+               case 522: /* Fan relay */
+                  if (nvalue) {
+                    id(fan_relay).turn_on();
+                    id(relay_off_time) = ::time(NULL) + id(fan_delay);
+                  } else {
+                    id(fan_relay).turn_off();
+                  }
+                  break;
+
+                case 523: /* Humidity threshold */
+                  id(hum_threshold) = x["svalue"].as<float>();
+                  ESP_LOGD("mqtt", "Got hum_threshold %f", id(hum_threshold));
+                  break;
+            }
+
+
+light:
+  - platform: binary
+    name: "Blue LED"
+    id: blue_led
+    output: led_output
+
+output:
+  - id: led_output
+    platform: gpio
+    pin: GPIO23
+
+switch:
+  - platform: gpio
+    name: "Fan"
+    id: fan_relay
+    pin: GPIO16
+    on_turn_on:
+      then:
+        - lambda: |-
+            id(tell_domo_nvalue)->execute(522, 1);
+            id(relay_off_time) = 0;
+    on_turn_off:
+      then:
+        - lambda: |-
+            id(tell_domo_nvalue)->execute(522, 0);
+            id(relay_off_time) = 0;
+
+sensor:
+  - platform: dht
+    pin: GPIO13
+    model: DHT22
+    temperature:
+      name: "Bathroom Temperature"
+      on_value:
+        then:
+          lambda: |-
+            if (!isnan(x))
+              id(tell_domo_svalue)->execute(521, std::to_string(x));
+    humidity:
+      name: "Bathroom Humidity"
+      on_value:
+        then:
+          lambda: |-
+            const char *hum_stat;
+            if (x > id(hum_threshold)) {
+              id(fan_relay).turn_on();
+              id(relay_off_time) = ::time(NULL) + id(fan_delay);
+              hum_stat = "3"; // Wet
+            } else {
+              hum_stat = "2"; // Dry
+            }
+            if (!isnan(x))
+              id(tell_domo_nsvalues)->execute(520, x, hum_stat);
+    update_interval: 10s