ci: add external platform test

.gitlab-ci.yml

@@ -66,6 +66,18 @@ variables:
     - idf.py set-target esp32
     - idf.py build
 
+.build_external_platform_example: &build_external_platform_example
+    - rm -rf $ESP_MATTER_PATH/../platform
+    - mkdir $ESP_MATTER_PATH/../platform
+    - cp -r $ESP_MATTER_PATH/connectedhomeip/connectedhomeip/src/platform/ESP32 $ESP_MATTER_PATH/../platform/ESP32_custom
+    - cp $ESP_MATTER_PATH/docs/custom_platform_guide/BUILD.gn $ESP_MATTER_PATH/../platform/ESP32_custom
+    - cd $ESP_MATTER_PATH/examples/light
+    - cp sdkconfig.defaults sdkconfig.defaults.backup
+    - cp sdkconfig.defaults.ext_plat_ci sdkconfig.defaults
+    - idf.py set-target esp32
+    - idf.py build
+    - cp sdkconfig.defaults.backup sdkconfig.defaults
+
 .build_bridge_zigbee_app: &build_bridge_zigbee_app
     - cd $ESP_MATTER_PATH/examples/bridge_zigbee
 # pyparsing in python_env created by matter is version 2.4.0 IDF v5.0 requires 3.0.8
@@ -87,6 +99,7 @@ build_esp_matter_examples:
         - *setup_idf
         - *setup_matter
         - *build_examples
+        - *build_external_platform_example
 
 build_esp_matter_examples_idf_v5_0:
     stage: build

examples/light/sdkconfig.defaults.ext_plat_ci

@@ -0,0 +1,37 @@
+# Default to 921600 baud when flashing and monitoring device
+CONFIG_ESPTOOLPY_BAUD_921600B=y
+CONFIG_ESPTOOLPY_BAUD=921600
+CONFIG_ESPTOOLPY_COMPRESSED=y
+CONFIG_ESPTOOLPY_MONITOR_BAUD_115200B=y
+CONFIG_ESPTOOLPY_MONITOR_BAUD=115200
+CONFIG_ESPTOOLPY_FLASHSIZE_4MB=y
+
+#enable BT
+CONFIG_BT_ENABLED=y
+CONFIG_BT_NIMBLE_ENABLED=y
+
+#enable lwip ipv6 autoconfig
+CONFIG_LWIP_IPV6_AUTOCONFIG=y
+
+# Use a custom partition table
+CONFIG_PARTITION_TABLE_CUSTOM=y
+CONFIG_PARTITION_TABLE_FILENAME="partitions.csv"
+
+# Disable chip shell
+CONFIG_ENABLE_CHIP_SHELL=n
+
+# Disable chip tests
+CONFIG_BUILD_CHIP_TESTS=n
+
+#enable lwIP route hooks
+CONFIG_LWIP_HOOK_IP6_ROUTE_DEFAULT=y
+CONFIG_LWIP_HOOK_ND6_GET_GW_DEFAULT=y
+
+# Button
+CONFIG_BUTTON_PERIOD_TIME_MS=20
+CONFIG_BUTTON_LONG_PRESS_TIME_MS=5000
+
+# External Platform
+CONFIG_CHIP_ENABLE_EXTERNAL_PLATFORM=y
+CONFIG_CHIP_EXTERNAL_PLATFORM_DIR="../../../../../platform/ESP32_custom"
+