feat(esphome): Add CAN configuration

Signed-off-by: Eduard Iten <eduard@iten.pro>

.gitignore

@@ -1 +1,65 @@
 **/build
+
+# Zephyr build directories
+build/
+build-*/
+*/build/
+**/build/
+
+# Zephyr out-of-tree build directories
+out-of-tree-build/
+
+# Files generated by the build system
+zephyr.elf
+zephyr.bin
+zephyr.hex
+zephyr.map
+zephyr.strip
+zephyr.lst
+zephyr.asm
+zephyr.stat
+zephyr.a
+zephyr.o
+*.o
+*.a
+*.so
+*.so.*
+*.dll
+*.exe
+
+# Cmake
+CMakeCache.txt
+CMakeFiles/
+cmake_install.cmake
+CTestTestfile.cmake
+compile_commands.json
+
+# Kconfig generated files
+.config
+.config.old
+autoconf.h
+
+# Doxygen
+doxygen/
+
+# west
+.west/
+west.yml.bak
+
+# Editor-specific files
+.vscode/
+.idea/
+*.swp
+*~
+*.bak
+*.orig
+
+# Python
+__pycache__/
+*.pyc
+
+# Mac OS X
+.DS_Store
+
+# Windows
+Thumbs.db

software/apps/mqtt_gateway

@@ -0,0 +1 @@
+Subproject commit 6e669cfc4e400c3ef6e55c16401788ce0d804577

software/apps/slave_node/boards/weact_stm32g431_core.overlay

@@ -7,12 +7,12 @@
 		compatible = "st,vnd7050aj";
 		status = "okay";
 
-		input0-gpios = <&gpiob 7 GPIO_ACTIVE_HIGH>;
+		input0-gpios = <&gpiob 3 GPIO_ACTIVE_HIGH>;
-		input1-gpios = <&gpiob 9 GPIO_ACTIVE_HIGH>;
+		input1-gpios = <&gpiob 4 GPIO_ACTIVE_HIGH>;
-		select0-gpios = <&gpiob 5 GPIO_ACTIVE_HIGH>;
+		select0-gpios = <&gpiob 7 GPIO_ACTIVE_HIGH>;
-		select1-gpios = <&gpiob 6 GPIO_ACTIVE_HIGH>;
+		select1-gpios = <&gpiob 9 GPIO_ACTIVE_HIGH>;
-		sense-enable-gpios = <&gpiob 4 GPIO_ACTIVE_HIGH>;
+		sense-enable-gpios = <&gpiob 6 GPIO_ACTIVE_HIGH>;
-		fault-reset-gpios = <&gpiob 3 GPIO_ACTIVE_LOW>;
+		fault-reset-gpios = <&gpiob 5 GPIO_ACTIVE_LOW>;
 		io-channels = <&adc1 1>;
 		r-sense-ohms = <1500>;
 		k-vcc = <4000>;

software/esphome/can.yaml

@@ -0,0 +1,106 @@
+# ===================================================================
+# ESPHome Configuration
+# CAN-Bus Master für ein Bewässerungssystem auf Basis des ESP32-C6
+#
+# Version 10: Finale Korrektur der Lambda-Signatur gemäß Dokumentation
+# ===================================================================
+
+esphome:
+  name: can-bridge
+  friendly_name: Irrigation can bridge
+
+esp32:
+  board: esp32-c6-devkitm-1
+  framework:
+    type: esp-idf # Erforderlich für den ESP32-C6
+
+# --- Netzwerk & Sicherheit ---
+wifi:
+  ssid: !secret wifi_ssid
+  password: !secret wifi_password
+  fast_connect: true
+
+api:
+  encryption:
+    key: !secret api_key
+
+ota:
+  platform: esphome
+  password: !secret ota_password
+
+logger:
+
+web_server:
+
+# --- Globale Variablen ---
+globals:
+  - id: ventil_2_can_state
+    type: int
+    initial_value: '0' # Startet als "geschlossen"
+
+# --- CAN-Bus Konfiguration ---
+canbus:
+  - platform: esp32_can
+    id: my_can_bus
+    tx_pin: GPIO5
+    rx_pin: GPIO4
+    bit_rate: 125kbps
+    can_id: 0x000 # Erforderlich, um Parser-Fehler zu beheben.
+    on_frame:
+      # Horcht nur auf die Statusmeldung von Knoten 2 (ID 0x422)
+      - can_id: 0x422
+        then:
+          - lambda: |-
+              if (x.size() < 1) {
+                ESP_LOGW("on_can_frame", "Received empty Frame for ID 0x422");
+                return;
+              }
+              int received_state = x[0];
+              id(ventil_2_can_state) = received_state;
+              ESP_LOGD("on_can_frame", "Received state from Valve 2: %i", received_state);
+          - valve.template.publish:
+              id: ventil_2
+              current_operation: !lambda |-
+                int state = id(ventil_2_can_state);
+                if (state == 2) {
+                  return VALVE_OPERATION_OPENING;
+                } else if (state == 3) {
+                  return VALVE_OPERATION_CLOSING;
+                } else {
+                  return VALVE_OPERATION_IDLE;
+                }
+
+# --- Home Assistant Entitäten ---
+valve:
+  - platform: template
+    name: "Ventil 2"
+    id: ventil_2
+    
+    # Diese Lambda meldet nur den binären End-Zustand (offen/geschlossen)
+    lambda: |-
+      if (id(ventil_2_can_state) == 0) {
+        return VALVE_CLOSED;
+      } else if (id(ventil_2_can_state) == 1) {
+        return VALVE_OPEN;
+      } else {
+        return NAN;
+      }
+
+    # Aktionen zum Steuern des Ventils
+    open_action:
+      - canbus.send:
+          canbus_id: my_can_bus
+          can_id: 0x210
+          data: [0x02, 0x01]
+
+    close_action:
+      - canbus.send:
+          canbus_id: my_can_bus
+          can_id: 0x210
+          data: [0x02, 0x00]
+
+    stop_action:
+      - canbus.send:
+          canbus_id: my_can_bus
+          can_id: 0x210
+          data: [0x02, 0x03]

software/pristine.sh

@@ -1 +0,0 @@
-source /home/edi/zephyrproject/.venv/bin/activate && source /home/edi/zephyrproject/zephyr/zephyr-env.sh && rm -r build ;west build -p always -b esp32c6_devkitc/esp32c6/hpcore apps/gateway -D CMAKE_OBJCOPY=/home/edi/zephyr-sdk-0.17.1/riscv64-zephyr-elf/bin/riscv64-zephyr-elf-objcopy;

software/pristine.sysbuild.sh

@@ -1,3 +0,0 @@
-source /home/edi/zephyrproject/.venv/bin/activate && \
-	source /home/edi/zephyrproject/zephyr/zephyr-env.sh && \
-	rm -r build ;west build --sysbuild -p always -b esp32c6_devkitc/esp32c6/hpcore apps/gateway -D CMAKE_OBJCOPY=/home/edi/zephyr-sdk-0.17.1/riscv64-zephyr-elf/bin/riscv64-zephyr-elf-objcopy;