feat(devboard): Add support for ESP32

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -32,16 +32,27 @@ body:
         Please select the board you are using.
         Please note that only the boards listed below are supported.
       options:
+        - Adafruit Feather ESP32
+        - Adafruit Feather ESP32-S2
+        - Adafruit Feather ESP32-S3 (2 MB PSRAM)
+        - Adafruit Feather ESP32-S3 (No PSRAM)
         - Adafruit Feather M0 (Any variants EG Bluefruit LE, LoRa, etc)
         - Adafruit Feather M0 Express
         - Adafruit Feather M4 Express
         - Adafruit Feather M4 CAN Express
         - Adafruit Grand Central M4
+        - Adafruit ItsyBitsy ESP32
         - Adafruit ItsyBitsy M0 Express
         - Adafruit ItsyBitsy M4 Express
+        - Adafruit Metro ESP32-S2
         - Adafruit Metro M0 Express
         - Adafruit Metro M4 Express
         - Adafruit Metro M4 AirLift Lite
+        - Adafruit QtPy ESP32
+        - Adafruit QtPy ESP32 Pico
+        - Adafruit QtPy ESP32-C3
+        - Adafruit QtPy ESP32-S2
+        - Adafruit QtPy ESP32-S3
         - Adafruit QtPy M0
         - Adafruit Trinket M0
         - Arduino MKR 1000
@@ -54,8 +65,22 @@ body:
         - Arduino MKR WiFi 1010
         - Arduino MKR ZERO
         - Arduino Nano 33 IoT
+        - Arduino Nano ESP32
         - Arduino Zero
+        - Espressif ESP32-C3 DevKitC-02
+        - Espressif ESP32-C3 DevKitM-1
+        - Espressif ESP32-S3 DevKitC-1-N8
+        - SparkFun ESP32 RedBoard IoT
+        - SparkFun ESP32 Thing
+        - SparkFun ESP32 Thing Plus
+        - SparkFun ESP32-S2 Thing Plus
         - Seeed Studio XIAO SAMD21
+        - Teensy 3.0
+        - Teensy 3.1/3.2
+        - Teensy 3.5
+        - Teensy 3.6
+        - Teensy 4.0
+        - Teensy 4.1
     validations:
       required: true
   - type: dropdown

README.md

@@ -40,9 +40,17 @@ This provides you with up to 16 11-bit full resolution channels & telemetry with
 If you want to use CRSF for Arduino in the Arduino IDE, you need these:
 
 - [Arduino IDE](https://www.arduino.cc/en/software)
-- [Arduino SAMD Board Support Pack](https://github.com/arduino/ArduinoCore-samd)
-- [Adafruit SAMD Board Support Pack](https://github.com/adafruit/ArduinoCore-samd)
-- [Adafruit_ZeroDMA](https://github.com/adafruit/Adafruit_ZeroDMA)
+  - ESP32 targets:
+    - Additional Boards URL: `https://espressif.github.io/arduino-esp32/package_esp32_index.json`
+    - [Arduino ESP32 Board Support Pack](https://github.com/espressif/arduino-esp32)
+  - SAMD21 & SAMD51 targets:
+    - Additional Boards URL: `https://adafruit.github.io/arduino-board-index/package_adafruit_index.json`
+    - [Arduino SAMD Board Support Pack](https://github.com/arduino/ArduinoCore-samd)
+    - [Adafruit SAMD Board Support Pack](https://github.com/adafruit/ArduinoCore-samd)
+    - [Adafruit_ZeroDMA](https://github.com/adafruit/Adafruit_ZeroDMA)
+  - Teensy 3.x & Teensy 4.x targets:
+    - Additional Boards URL: `https://www.pjrc.com/teensy/package_teensy_index.json`
+    - [Teensy Board Support Pack](https://github.com/PaulStoffregen/cores)
 
 ## Prerequisites - Visual Studio Code & PlatformIO
 
@@ -336,6 +344,27 @@ For example, if you are using an Adafruit Metro M4 Express, you would use `pio r
 CRSF for Arduino is designed to be compatible with modern hardware.
 While CRSF for Arduino is primarily developed on the Adafruit Metro M4 Express, here is a list of target development boards CRSF for Arduino is compatible with (Keep in mind that this list is not exhaustive, & actual compatibility with everything listed here may be untested):
 
+- ESP32 based boards:
+  - Adafruit Feather ESP32
+  - Adafruit Feather ESP32-S2
+  - Adafruit Feather ESP32-S3 (2 MB PSRAM)
+  - Adafruit Feather ESP32-S3 (NO PSRAM)
+  - Adafruit ItsyBitsy ESP32
+  - Adafruit Metro ESP32-S2
+  - Adafruit QtPy ESP32
+  - Adafruit QtPy ESP32 Pico
+  - Adafruit QtPy ESP32-C3
+  - Adafruit QtPy ESP32-S2
+  - Adafruit QtPy ESP32-S3
+  - Arduino Nano ESP32
+  - Espressif ESP32-C3-DevKit
+  - Espressif ESP32-S3-DevKit
+  - Seeed Studio XIAO ESP32-C3
+  - Seeed Studio XIAO ESP32-S3
+  - SparkFun ESP32 RedBoard IoT
+  - SparkFun ESP32 Thing
+  - SparkFun ESP32 Thing Plus
+  - SparkFun ESP32-S2 Thing Plus
 - SAMD21 based boards:
   - Adafruit Feather M0 & all of its variants, including the Adafruit Feather M0 Express
   - Adafruit ItsyBitsy M0 Express
@@ -362,7 +391,7 @@ While CRSF for Arduino is primarily developed on the Adafruit Metro M4 Express,
   - Adafruit Metro M4 Express AirLift Lite
 - SAME51 based boards:
   - Adafruit Feather M4 CAN Express
-- Teensy 3.x
+- Teensy 3.x  
   **NB:** The entire Teensy 3.x line is discontinued by the manufacturer, and is _not_ recommended for new projects.
 - Teensy 4.x
 

platformio.ini

@@ -251,6 +251,147 @@ debug_tool = ${common_samd51.debugger}
 lib_deps = ${common_samd51.lib_deps}
 upload_protocol = ${common_samd51.sketch_upload_protocol}
 
+; ESP32 Boards
+[env:adafruit_qtpy_esp32]
+platform = espressif32
+board = adafruit_qtpy_esp32
+build_flags =
+    -DUSE_ABSTRACTION_LAYER
+    -DCRC_OPTIMISATION_LEVEL=0
+
+[env:adafruit_qtpy_esp32c3]
+platform = espressif32
+board = adafruit_qtpy_esp32c3
+build_flags =
+    -DUSE_ABSTRACTION_LAYER
+    -DCRC_OPTIMISATION_LEVEL=0
+
+[env:adafruit_qtpy_esp32s2]
+platform = espressif32
+board = adafruit_qtpy_esp32s2
+build_flags =
+    -DUSE_ABSTRACTION_LAYER
+    -DCRC_OPTIMISATION_LEVEL=0
+
+[env:adafruit_qtpy_esp32s3_nopsram]
+platform = espressif32
+board = adafruit_qtpy_esp32s3_nopsram
+build_flags =
+    -DUSE_ABSTRACTION_LAYER
+    -DCRC_OPTIMISATION_LEVEL=0
+
+[env:featheresp32-s2]
+platform = espressif32
+board = featheresp32-s2
+build_flags =
+    -DUSE_ABSTRACTION_LAYER
+    -DCRC_OPTIMISATION_LEVEL=0
+
+[env:adafruit_feather_esp32s3]
+platform = espressif32
+board = adafruit_feather_esp32s3
+build_flags =
+    -DUSE_ABSTRACTION_LAYER
+    -DCRC_OPTIMISATION_LEVEL=0
+
+[env:adafruit_feather_esp32s3_nopsram]
+platform = espressif32
+board = adafruit_feather_esp32s3_nopsram
+build_flags =
+    -DUSE_ABSTRACTION_LAYER
+    -DCRC_OPTIMISATION_LEVEL=0
+
+[env:featheresp32]
+platform = espressif32
+board = featheresp32
+build_flags =
+    -DUSE_ABSTRACTION_LAYER
+    -DCRC_OPTIMISATION_LEVEL=0
+
+[env:adafruit_itsybitsy_esp32]
+platform = espressif32
+board = adafruit_itsybitsy_esp32
+build_flags =
+    -DUSE_ABSTRACTION_LAYER
+    -DCRC_OPTIMISATION_LEVEL=0
+
+[env:adafruit_metro_esp32s2]
+platform = espressif32
+board = adafruit_metro_esp32s2
+build_flags =
+    -DUSE_ABSTRACTION_LAYER
+    -DCRC_OPTIMISATION_LEVEL=0
+
+[env:arduino_nano_esp32]
+platform = espressif32
+board = arduino_nano_esp32
+build_flags =
+    -DUSE_ABSTRACTION_LAYER
+    -DCRC_OPTIMISATION_LEVEL=0
+
+[env:esp32-c3-devkitc-02]
+platform = espressif32
+board = esp32-c3-devkitc-02
+build_flags =
+    -DUSE_ABSTRACTION_LAYER
+    -DCRC_OPTIMISATION_LEVEL=0
+
+[env:esp32-c3-devkitm-1]
+platform = espressif32
+board = esp32-c3-devkitm-1
+build_flags =
+    -DUSE_ABSTRACTION_LAYER
+    -DCRC_OPTIMISATION_LEVEL=0
+
+[env:esp32-s3-devkitc-1]
+platform = espressif32
+board = esp32-s3-devkitc-1
+build_flags =
+    -DUSE_ABSTRACTION_LAYER
+    -DCRC_OPTIMISATION_LEVEL=0
+
+[env:seeed_xiao_esp32c3]
+platform = espressif32
+board = seeed_xiao_esp32c3
+build_flags =
+    -DUSE_ABSTRACTION_LAYER
+    -DCRC_OPTIMISATION_LEVEL=0
+
+[env:seeed_xiao_esp32s3]
+platform = espressif32
+board = seeed_xiao_esp32s3
+build_flags =
+    -DUSE_ABSTRACTION_LAYER
+    -DCRC_OPTIMISATION_LEVEL=0
+
+[env:sparkfun_esp32_iot_redboard]
+platform = espressif32
+board = sparkfun_esp32_iot_redboard
+build_flags =
+    -DUSE_ABSTRACTION_LAYER
+    -DCRC_OPTIMISATION_LEVEL=0
+
+[env:esp32thing]
+platform = espressif32
+board = esp32thing
+build_flags =
+    -DUSE_ABSTRACTION_LAYER
+    -DCRC_OPTIMISATION_LEVEL=0
+
+[env:esp32thing_plus]
+platform = espressif32
+board = esp32thing_plus
+build_flags =
+    -DUSE_ABSTRACTION_LAYER
+    -DCRC_OPTIMISATION_LEVEL=0
+
+[env:sparkfun_esp32s2_thing_plus]
+platform = espressif32
+board = sparkfun_esp32s2_thing_plus
+build_flags =
+    -DUSE_ABSTRACTION_LAYER
+    -DCRC_OPTIMISATION_LEVEL=0
+
 ; Teensy Boards
 [env:teensy_30]
 platform = teensy
@@ -306,7 +447,8 @@ build_flags =
     -DCRC_OPTIMISATION_LEVEL=0
 
 [platformio]
-default_envs = adafruit_metro_m0
+default_envs = adafruit_metro_m4
+core_dir = $PROJECT_DIR/.pio/core
 include_dir = src/include
 lib_dir = src/lib
 src_dir = src/src

src/lib/CRSFforArduino/src/Hardware/CompatibilityTable/CompatibilityTable.cpp

@@ -38,8 +38,63 @@ namespace hal
 // TEMPORARILY DISABLED: Arduino IDE must be 1.7.0 or greater
 // #if ARDUINO >= 10700
 
+// Arduino ESP32 Architecture
+#if defined(ARDUINO_ARCH_ESP32)
+
+// Adafruit devboards
+#if defined(ARDUINO_FEATHER_ESP32)
+        device.type.devboard = DEVBOARD_ADAFRUIT_FEATHER_ESP32;
+#elif defined(ARDUINO_METRO_ESP32S2)
+        device.type.devboard = DEVBOARD_ADAFRUIT_METRO_ESP32S2;
+#elif defined(ARDUINO_ADAFRUIT_FEATHER_ESP32S2_NOPSRAM)
+        device.type.devboard = DEVBOARD_ADAFRUIT_FEATHER_ESP32S2;
+#elif defined(ARDUINO_ADAFRUIT_FEATHER_ESP32S3)
+        device.type.devboard = DEVBOARD_ADAFRUIT_FEATHER_ESP32S3;
+#elif defined(ARDUINO_ADAFRUIT_FEATHER_ESP32S3_NOPSRAM)
+        device.type.devboard = DEVBOARD_ADAFRUIT_FEATHER_ESP32S3_NOPSRAM;
+#elif defined(ARDUINO_ADAFRUIT_ITSYBITSY_ESP32)
+        device.type.devboard = DEVBOARD_ADAFRUIT_ITSYBITSY_ESP32;
+#elif defined(ARDUINO_ADAFRUIT_QTPY_ESP32C3)
+        device.type.devboard = DEVBOARD_ADAFRUIT_QTPY_ESP32C3;
+#elif defined(ARDUINO_ADAFRUIT_QTPY_ESP32S2)
+        device.type.devboard = DEVBOARD_ADAFRUIT_QTPY_ESP32S2;
+#elif defined(ARDUINO_ADAFRUIT_QTPY_ESP32S3_NOPSRAM)
+        device.type.devboard = DEVBOARD_ADAFRUIT_QTPY_ESP32S3;
+#elif defined(ARDUINO_ADAFRUIT_QTPY_ESP32_PICO)
+        device.type.devboard = DEVBOARD_ADAFRUIT_QTPY_ESP32_PICO;
+
+// Espressif devboards.
+#elif defined(ARDUINO_ESP32C3_DEV)
+        device.type.devboard = DEVBOARD_ESPRESSIF_ESP32C3_DEVKIT;
+#elif defined(ARDUINO_ESP32S3_DEV)
+        device.type.devboard = DEVBOARD_ESPRESSIF_ESP32S3_DEVKIT;
+
+// Seeed Studio ESP32 devboards.
+#elif defined(ARDUINO_XIAO_ESP32C3)
+        device.type.devboard = DEVBOARD_SEEEDSTUDIO_XIAO_ESP32C3;
+#elif defined(ARDUINO_XIAO_ESP32S3)
+        device.type.devboard = DEVBOARD_SEEEDSTUDIO_XIAO_ESP32S3;
+
+// SparkFun ESP32 devboards.
+#elif defined(ARDUINO_ESP32_IOT_REDBOARD)
+        device.type.devboard = DEVBOARD_SPARKFUN_REDBOARD_ESP32_IOT;
+#elif defined(ARDUINO_ESP32_THING)
+        device.type.devboard = DEVBOARD_SPARKFUN_THING_ESP32;
+#elif defined(ARDUINO_ESP32_THING_PLUS)
+        device.type.devboard = DEVBOARD_SPARKFUN_THING_PLUS_ESP32;
+#elif defined(ARDUINO_ESP32S2_THING_PLUS)
+        device.type.devboard = DEVBOARD_SPARKFUN_THING_PLUS_ESP32S2;
+
+// Arduino devboards
+#elif defined(ARDUINO_NANO_ESP32)
+        device.type.devboard = DEVBOARD_ARDUINO_NANO_ESP32;
+#else
+#warning "Devboard not supported. Please check the compatibility table."
+        device.type.devboard = DEVBOARD_IS_INCOMPATIBLE;
+#endif
+
 // Arduino SAMD Architecture
-#if defined(ARDUINO_ARCH_SAMD)
+#elif defined(ARDUINO_ARCH_SAMD)
 
 // Adafruit devboards
 #if USB_VID == 0x239A