Selectable baud rate

advanced/esphome/nspanel_esphome_core.yaml

@@ -25,9 +25,12 @@ esphome:
     build_flags:
       - -Wno-missing-field-initializers
   on_boot:
-    priority: 200.0
+    - priority: 600.0  # This is where most sensors are set up.
       then:
-      - logger.log: After boot check-up
+        - lambda: |-
+            static const char *const TAG = "on_boot";
+            ESP_LOGD(TAG, "After boot check-up starting");
+            set_baud_rate->execute(stoi(baud_rate->state), true);
         - wait_until:
             condition:
               - api.connected:
@@ -1192,6 +1195,33 @@ number:
 
 ##### START - SELECT CONFIGURATION #####
 select:
+  - id: baud_rate
+    name: ${device_name} Baud rate
+    platform: template
+    options:
+      - "2400"
+      - "4800"
+      - "9600"
+      - "19200"
+      - "31250"
+      - "38400"
+      - "57600"
+      - "115200"
+      - "230400"
+      - "250000"
+      - "256000"
+      - "512000"
+      - "921600"
+    initial_option: "115200"
+    optimistic: true
+    restore_value: true
+    internal: false
+    entity_category: config
+    disabled_by_default: true
+    icon: mdi:swap-horizontal
+    set_action:
+      - lambda: set_baud_rate->execute(stoi(x), true);
+
   - name: ${device_name} Wake-up page
     id: wakeup_page_name
     platform: template
@@ -2334,6 +2364,42 @@ script:
               api_server->send_homeassistant_service_call(resp);
             }
 
+  - id: set_baud_rate
+    mode: restart
+    parameters:
+      baud_rate: int
+      definitive: bool
+    then:
+      - if:
+          condition:
+            - lambda: !lambda return (tf_uart->get_baud_rate() != baud_rate);
+          then:
+            - lambda: |-
+                static const char *const TAG = "script.set_baud_rate";
+                ESP_LOGW(TAG, "Baud rate changing from %i to %i bps", tf_uart->get_baud_rate(), baud_rate);
+                ESP_LOGW(TAG, "Flush UART");
+            - wait_until:
+                condition:
+                  - lambda: !lambda return (tf_uart->available() < 1);
+                timeout: 3s
+            - lambda: |-
+                tf_uart->flush();
+                static const char *const TAG = "script.set_baud_rate";
+                ESP_LOGW(TAG, "Sending instruction '%s=%i' to Nextion", definitive ? "bauds" : "baud", baud_rate);
+                disp1->send_command_printf("%s=%i", definitive ? "bauds" : "baud", baud_rate);
+                ESP_LOGW(TAG, "Flush UART");
+            - wait_until:
+                condition:
+                  - lambda: !lambda return (tf_uart->available() < 1);
+                timeout: 3s
+            - lambda: |-
+                tf_uart->flush();
+                static const char *const TAG = "script.set_baud_rate";
+                ESP_LOGW(TAG, "Set ESPHome new baud rate to %i bps", baud_rate);
+                tf_uart->set_baud_rate(baud_rate);
+                tf_uart->load_settings();
+                ESP_LOGW(TAG, "Baud rate is changet to %i bps", baud_rate);
+
   - id: set_brightness
     mode: restart
     parameters:
@@ -2638,6 +2704,7 @@ script:
           refresh_wifi_icon->stop();
           relay_settings->stop();
           service_call_alarm_control_panel->stop();
+          set_baud_rate->stop();
           set_brightness->stop();
           set_climate->stop();
           set_component_color->stop();