[SYS] Add serial self test feature (#1964)

Add self testing for Theengs Bridge v1.1 (TBRIDGE02)
This feature enables factory testing

environments.ini

@@ -87,6 +87,47 @@ build_flags =
 custom_description = BLE gateway with external antenna and Ethernet/WiFi connectivity, [user guide](https://tbridge01.theengs.io/)
 custom_hardware = Theengs Bridge gateway ethernet
 
+[env:theengs-bridge-v11]
+platform = ${com.esp32_platform}
+board = esp32dev
+extra_scripts = ${com-esp32.extra_scripts}
+board_build.partitions = min_spiffs.csv
+lib_deps =
+  ${com-esp32.lib_deps}
+  ${libraries.ble}
+  ${libraries.adafruit_neopixel}
+  ${libraries.decoder}
+build_flags =
+  ${com-esp32.build_flags}
+  '-DZgatewayBT="BT"'
+  '-DLED_SEND_RECEIVE=2'
+  '-DLED_SEND_RECEIVE_ON=0'
+  '-DESP32_ETHERNET=true'
+  '-DETH_PHY_TYPE=ETH_PHY_LAN8720'
+  '-DETH_PHY_ADDR=0'
+  '-DETH_PHY_POWER=5'
+  '-DETH_PHY_MDC=23'
+  '-DETH_PHY_MDIO=18'
+  '-DETH_CLK_MODE=ETH_CLOCK_GPIO16_OUT'
+  '-DANEOPIX_IND_DATA_GPIO=32'
+  '-DANEOPIX_IND_NUM_LEDS=4'
+  '-DANEOPIX_INFO_LED=0'
+  '-DANEOPIX_SEND_RECEIVE_LED=1'
+  '-DANEOPIX_ERROR_LED=1'
+  '-DANEOPIX_BRIGHTNESS=100'
+  '-DRGB_INDICATORS=true'
+  '-DAttemptBLEConnect=false'
+  '-DTRIGGER_GPIO=4'
+  '-DUSE_MAC_AS_GATEWAY_NAME'
+  '-DGATEWAY_MANUFACTURER="Theengs"'
+  '-DGATEWAY_MODEL="TBRIDGE02"'
+  ;'-DBOARD_HAS_PSRAM'
+  '-UZwebUI="WebUI"' ; Disable WebUI
+  '-DSELF_TEST=true'
+  ;'-mfix-esp32-psram-cache-issue'
+custom_description = BLE gateway with external antenna and Ethernet/WiFi connectivity, [user guide](https://tbridge02.theengs.io/)
+custom_hardware = Theengs Bridge gateway ethernet
+
 [env:esp32dev-all-test]
 platform = ${com.esp32_platform}
 board = esp32dev