update shower MQTT for HA

doc/home assistant/automation.yaml

@@ -7,19 +7,7 @@
     - service: notify.general_notify
       data_template:
         title: "Shower finished at {{states.sensor.time.state}}"
-        message: '{{trigger.payload}}'
-
-- id: boiler_shower_alarm
-  alias: Alert shower too long
-  trigger:
-    platform: mqtt
-    topic: home/ems-esp/command
-    payload: 'shower_alarm'
-  action:
-    - service: notify.admin_notify
-      data_template:
-        title: "Shower Alert!"
-        message: "Shower time exceeded limit"
+        message: "{{ trigger.payload_json['duration'] }}"
 
 # when ems-esp starts send boottime
 - id: boiler_restart

doc/home assistant/sensor.yaml

@@ -140,7 +140,7 @@
 - platform: template
   sensors:
     showertime_time:
-      value_template: '{{ as_timestamp(states.sensor.last_shower_duration.last_updated) | int | timestamp_custom("%-I:%M %P on %a %-d %b") }}'
+      value_template: '{{ as_timestamp(states.sensor.last_shower_duration.last_updated) | int | timestamp_custom("%-I:%M on %a %-d %b") }}'
 
     boiler_updated:
       value_template: '{{ as_timestamp(states.sensor.boiler_temperature.last_updated) | timestamp_custom("%H:%M on %d/%b") }}'

src/ems-esp.cpp

@@ -1060,6 +1060,7 @@ bool do_publishShowerData() {
     rootShower[TOPIC_SHOWER_TIMER]     = EMSESP_Settings.shower_timer ? "1" : "0";
     rootShower[TOPIC_SHOWER_ALERT]     = EMSESP_Settings.shower_alert ? "1" : "0";
 
+    // only publish shower duration if there is a value
     char s[50] = {0};
     if (EMSESP_Shower.duration > SHOWER_MIN_DURATION) {
         char buffer[16] = {0};
@@ -1067,10 +1068,8 @@ bool do_publishShowerData() {
         strlcat(s, " minutes and ", sizeof(s));
         strlcat(s, itoa((uint8_t)((EMSESP_Shower.duration / 1000) % 60), buffer, 10), sizeof(s));
         strlcat(s, " seconds", sizeof(s));
-    } else {
-        strlcpy(s, "n/a", sizeof(s));
+        rootShower[TOPIC_SHOWER_DURATION] = s;
     }
-    rootShower[TOPIC_SHOWER_DURATION] = s;
 
     char data[300] = {0};
     serializeJson(doc, data, sizeof(data));
@@ -1939,13 +1938,9 @@ void showerCheck() {
 // SETUP
 //
 void setup() {
-    // LA trigger create a small puls to show setup is starting...
-    INIT_MARKERS(0);
-    LA_PULSE(50);
-
-    // GPIO15 has a pull down, so we must set it to HIGH
-    pinMode(15, OUTPUT);
-    digitalWrite(15, 1);
+    // GPIO15/D8 has a pull down, so we must set it to HIGH so it doesn't bring the whole EMS bus down
+    pinMode(D8, OUTPUT);
+    digitalWrite(D8, 1);
 
     // init our own parameters
     initEMSESP();