feat: add support board "OT Thing" (#123)

* Add board "OT Thing"

* style: formatting

---------

Co-authored-by: Yurii <34578544+Laxilef@users.noreply.github.com>

README.md

@@ -45,7 +45,8 @@ All available information and instructions can be found in the wiki:
 * [Home](https://github.com/Laxilef/OTGateway/wiki)
    * [Quick Start](https://github.com/Laxilef/OTGateway/wiki#quick-start)
    * [Build firmware](https://github.com/Laxilef/OTGateway/wiki#build-firmware)
-   * [Flash firmware via ESP Flash Download Tool](https://github.com/Laxilef/OTGateway/wiki#flash-firmware-via-esp-flash-download-tool)
+   * [Flashing via Web Flasher](https://github.com/Laxilef/OTGateway/wiki#flashing-via-web-flasher)
+   * [Flashing via ESP Flash Download Tool](https://github.com/Laxilef/OTGateway/wiki#flashing-via-esp-flash-download-tool)
    * [Settings](https://github.com/Laxilef/OTGateway/wiki#settings)
       * [External temperature sensors](https://github.com/Laxilef/OTGateway/wiki#external-temperature-sensors)
       * [Reporting indoor/outdoor temperature from any Home Assistant sensor](https://github.com/Laxilef/OTGateway/wiki#reporting-indooroutdoor-temperature-from-any-home-assistant-sensor)

platformio.ini

@@ -300,4 +300,28 @@ build_type = ${esp32_defaults.build_type}
 build_flags = 
 	${esp32_defaults.build_flags}
 	; Currently the NimBLE library is incompatible with ESP32 C6
-	;-D USE_BLE=1
+	;-D USE_BLE=1
+
+[env:otthing] 
+platform = ${esp32_defaults.platform}
+platform_packages = ${esp32_defaults.platform_packages}
+board = lolin_c3_mini
+board_build.partitions = ${esp32_defaults.board_build.partitions}
+lib_deps = 
+	${esp32_defaults.lib_deps}
+	${esp32_defaults.nimble_lib}
+lib_ignore = ${esp32_defaults.lib_ignore}
+extra_scripts = ${esp32_defaults.extra_scripts}
+build_unflags = 
+	-mtext-section-literals
+build_type = ${esp32_defaults.build_type}
+build_flags = 
+	${esp32_defaults.build_flags}
+	-D USE_BLE=1
+	-D DEFAULT_OT_IN_GPIO=3
+	-D DEFAULT_OT_OUT_GPIO=1
+;	-D DEFAULT_SENSOR_OUTDOOR_GPIO=0
+;	-D DEFAULT_SENSOR_INDOOR_GPIO=1
+	-D DEFAULT_STATUS_LED_GPIO=8
+	-D DEFAULT_OT_RX_LED_GPIO=2
+	-D OT_BYPASS_RELAY_GPIO=20

src/OpenThermTask.h

@@ -69,6 +69,11 @@ protected:
       return;
     }
 
+    #ifdef OT_BYPASS_RELAY_GPIO
+    pinMode(OT_BYPASS_RELAY_GPIO, OUTPUT);
+    digitalWrite(OT_BYPASS_RELAY_GPIO, true);
+    #endif
+
     // create instance
     this->instance = new CustomOpenTherm(settings.opentherm.inGpio, settings.opentherm.outGpio);