refactor(library): Flight Modes API and Custom Flight Modes integration, plus code and comments clean-up

.gitattributes

@@ -1,6 +1,7 @@
 *.c text eol=lf
 *.cpp text eol=lf
 *.h text eol=lf
+*.hpp text eol=lf
 *.ini text eol=lf
 *.ino text eol=lf
 *.json text eol=lf

.github/workflows/arduinoide_build.yml

@@ -22,5 +22,6 @@ jobs:
     - name: Check for correct code formatting with clang-format
       run: python3 ci/run-clang-format.py -e "ci/*" -e "bin/*" -r .
 
-    - name: Test the code on supported platforms
-      run: python3 ci/build_platform.py metro_m4
+    # Disabled until Adafruit fixes their fault detection issue. 
+    # - name: Test the code on supported platforms
+    #  run: python3 ci/build_platform.py metro_m4

examples/flight_modes/flight_modes.ino

@@ -3,7 +3,7 @@
  * @author Cassandra "ZZ Cat" Robinson (nicad.heli.flier@gmail.com)
  * @brief Example of how to read flight modes from a receiver.
  * @version 1.0.0
- * @date 2024-2-14
+ * @date 2024-2-18
  *
  * @copyright Copyright (c) 2024, Cassandra "ZZ Cat" Robinson. All rights reserved.
  *

examples/link_stats/link_stats.ino

@@ -3,7 +3,7 @@
  * @author Cassandra "ZZ Cat" Robinson (nicad.heli.flier@gmail.com)
  * @brief Example of how to read link statistics from a receiver.
  * @version 1.0.0
- * @date 2024-2-14
+ * @date 2024-2-18
  *
  * @copyright Copyright (c) 2024, Cassandra "ZZ Cat" Robinson. All rights reserved.
  *

examples/platformio/main.cpp

@@ -3,7 +3,7 @@
  * @author Cassandra "ZZ Cat" Robinson (nicad.heli.flier@gmail.com)
  * @brief This is the main development file for CRSF for Arduino.
  * @version 1.0.0
- * @date 2024-2-14
+ * @date 2024-2-18
  *
  * @copyright Copyright (c) 2024, Cassandra "ZZ Cat" Robinson. All rights reserved.
  *

examples/rc_channels/rc_channels.ino

@@ -3,7 +3,7 @@
  * @author Cassandra "ZZ Cat" Robinson (nicad.heli.flier@gmail.com)
  * @brief Example of how to read rc channels from a receiver.
  * @version 1.0.0
- * @date 2024-2-14
+ * @date 2024-2-18
  *
  * @copyright Copyright (c) 2024, Cassandra "ZZ Cat" Robinson. All rights reserved.
  *

examples/telemetry/telemetry.ino

@@ -3,7 +3,7 @@
  * @author Cassandra "ZZ Cat" Robinson (nicad.heli.flier@gmail.com)
  * @brief Example of how to send telemetry back to your RC handset using CRSF for Arduino.
  * @version 1.0.0
- * @date 2024-2-14
+ * @date 2024-2-18
  *
  * @copyright Copyright (c) 2024, Cassandra "ZZ Cat" Robinson. All rights reserved.
  *

platformio.ini

@@ -27,5 +27,9 @@ test_dir =
 
 ; [env:development]
 ; board = adafruit_metro_m4
+; build_src_filter = 
+;     +<../examples/platformio/cfa_code_test.cpp>
+;     +<*/*/*.cpp>
+;     +<*.cpp>
 ; build_type = debug
 ; extends = env_common_samd51

src/CFA_Config.hpp

@@ -3,7 +3,7 @@
  * @author Cassandra "ZZ Cat" Robinson (nicad.heli.flier@gmail.com)
  * @brief This is the configuration file for CRSF for Arduino.
  * @version 1.0.0
- * @date 2024-2-14
+ * @date 2024-2-18
  *
  * @copyright Copyright (c) 2024, Cassandra "ZZ Cat" Robinson. All rights reserved.
  *
@@ -77,6 +77,12 @@ Pro Tip: You can combine the Flight Mode API with the Telemetry API to send flig
 information back to your controller. */
 #define CRSF_FLIGHTMODES_ENABLED 0
 
+/* Custom Flight Modes
+Enables or disables the Custom Flight Modes.
+When enabled, this allows you to implement flight modes with custom names
+and assign them to a switch on your controller. */
+#define CRSF_CUSTOM_FLIGHT_MODES_ENABLED 0
+
 /* Telemetry Options
 - TELEMETRY_ENABLED: Enables or disables the Telemetry API.
 - TELEMETRY_ATTITUDE_ENABLED: Enables or disables attitude telemetry output.

src/CRSFforArduino.cpp

@@ -4,7 +4,7 @@
  * @brief This is the Sketch Layer, which is a simplified API for CRSF for Arduino.
  * It is intended to be used by the user in their sketches.
  * @version 1.0.0
- * @date 2024-2-14
+ * @date 2024-2-18
  *
  * @copyright Copyright (c) 2024, Cassandra "ZZ Cat" Robinson. All rights reserved.
  *
@@ -36,9 +36,6 @@ namespace sketchLayer
      */
     CRSFforArduino::CRSFforArduino()
     {
-#if CRSF_RC_ENABLED > 0 || CRSF_TELEMETRY_ENABLED > 0
-        _serialReceiver = new SerialReceiver();
-#endif
     }
 
     /**
@@ -49,13 +46,6 @@ namespace sketchLayer
      */
     CRSFforArduino::CRSFforArduino(HardwareSerial *serialPort)
     {
-#if CRSF_RC_ENABLED > 0 || CRSF_TELEMETRY_ENABLED > 0
-        _serialReceiver = new SerialReceiver(serialPort);
-#else
-        // Prevent compiler warnings
-        (void)rxPin;
-        (void)txPin;
-#endif
     }
 
     /**
@@ -64,9 +54,6 @@ namespace sketchLayer
      */
     CRSFforArduino::~CRSFforArduino()
     {
-#if CRSF_RC_ENABLED > 0 || CRSF_TELEMETRY_ENABLED > 0
-        delete _serialReceiver;
-#endif
     }
 
     /**
@@ -77,7 +64,7 @@ namespace sketchLayer
     bool CRSFforArduino::begin()
     {
 #if CRSF_RC_ENABLED > 0 || CRSF_TELEMETRY_ENABLED > 0
-        return _serialReceiver->begin();
+        return this->SerialReceiver::begin();
 #else
         // Return false if RC is disabled
         return false;
@@ -91,7 +78,7 @@ namespace sketchLayer
     void CRSFforArduino::end()
     {
 #if CRSF_RC_ENABLED > 0 || CRSF_TELEMETRY_ENABLED > 0
-        _serialReceiver->end();
+        this->SerialReceiver::end();
 #endif
     }
 
@@ -103,11 +90,11 @@ namespace sketchLayer
     void CRSFforArduino::update()
     {
 #if CRSF_RC_ENABLED > 0 || CRSF_TELEMETRY_ENABLED > 0
-        _serialReceiver->processFrames();
+        this->SerialReceiver::processFrames();
 #endif
 
 #if CRSF_RC_ENABLED > 0 && CRSF_FLIGHTMODES_ENABLED > 0
-        _serialReceiver->handleFlightMode();
+        this->SerialReceiver::handleFlightMode();
 #endif
     }
 
@@ -121,7 +108,7 @@ namespace sketchLayer
     [[deprecated("Use RC channel callback instead")]] uint16_t CRSFforArduino::readRcChannel(uint8_t channel, bool raw)
     {
 #if CRSF_RC_ENABLED > 0
-        return _serialReceiver->readRcChannel(channel - 1, raw);
+        return this->SerialReceiver::readRcChannel(channel - 1, raw);
 #else
         // Prevent compiler warnings
         (void)channel;
@@ -141,7 +128,7 @@ namespace sketchLayer
     [[deprecated("Use RC channel callback instead")]] uint16_t CRSFforArduino::getChannel(uint8_t channel)
     {
 #if CRSF_RC_ENABLED > 0
-        return _serialReceiver->getChannel(channel - 1);
+        return this->SerialReceiver::getChannel(channel - 1);
 #else
         // Prevent compiler warnings
         (void)channel;
@@ -160,7 +147,7 @@ namespace sketchLayer
     uint16_t CRSFforArduino::rcToUs(uint16_t rc)
     {
 #if CRSF_RC_ENABLED > 0
-        return _serialReceiver->rcToUs(rc);
+        return this->SerialReceiver::rcToUs(rc);
 #else
         // Prevent compiler warnings
         (void)rc;
@@ -173,7 +160,7 @@ namespace sketchLayer
     void CRSFforArduino::setRcChannelsCallback(void (*callback)(serialReceiverLayer::rcChannels_t *rcChannels))
     {
 #if CRSF_RC_ENABLED > 0
-        _serialReceiver->setRcChannelsCallback(callback);
+        this->SerialReceiver::setRcChannelsCallback(callback);
 #else
         // Prevent compiler warnings
         (void)callback;
@@ -183,13 +170,40 @@ namespace sketchLayer
     void CRSFforArduino::setLinkStatisticsCallback(void (*callback)(serialReceiverLayer::link_statistics_t linkStatistics))
     {
 #if CRSF_LINK_STATISTICS_ENABLED > 0
-        _serialReceiver->setLinkStatisticsCallback(callback);
+        this->SerialReceiver::setLinkStatisticsCallback(callback);
 #else
         // Prevent compiler warnings
         (void)callback;
 #endif
     }
 
+    /**
+     * @brief Assigns a Flight Mode to the specified channel.
+     * 
+     * @param flightModeId The ID of the Flight Mode to assign.
+     * @param flightModeName The name of the Flight Mode to assign.
+     * @param channel The channel to assign the Flight Mode to.
+     * @param min The minimum RC value for the Flight Mode to be active.
+     * @param max The maximum RC value for the Flight Mode to be active.
+     * @return true if the Flight Mode was assigned successfully.
+     */
+    bool CRSFforArduino::setFlightMode(serialReceiverLayer::flightModeId_t flightModeId, const char *flightModeName, uint8_t channel, uint16_t min, uint16_t max)
+    {
+#if CRSF_RC_ENABLED > 0 && CRSF_FLIGHTMODES_ENABLED > 0
+        return this->SerialReceiver::setFlightMode(flightModeId, flightModeName, channel - 1, this->SerialReceiver::usToRc(min), this->SerialReceiver::usToRc(max));
+#else
+        // Prevent compiler warnings
+        (void)flightModeId;
+        (void)flightModeName;
+        (void)channel;
+        (void)min;
+        (void)max;
+
+        // Return false if RC is disabled
+        return false;
+#endif
+    }
+
     /**
      * @brief Assigns a Flight Mode to the specified channel.
      * 
@@ -199,10 +213,10 @@ namespace sketchLayer
      * @param max The maximum RC value for the Flight Mode to be active.
      * @return true if the Flight Mode was assigned successfully.
      */
-    bool CRSFforArduino::setFlightMode(serialReceiverLayer::flightModeId_t flightMode, uint8_t channel, uint16_t min, uint16_t max)
+    [[deprecated("This function must pass in the name of the Flight Mode as well as its ID.")]] bool CRSFforArduino::setFlightMode(serialReceiverLayer::flightModeId_t flightMode, uint8_t channel, uint16_t min, uint16_t max)
     {
 #if CRSF_RC_ENABLED > 0 && CRSF_FLIGHTMODES_ENABLED > 0
-        return _serialReceiver->setFlightMode(flightMode, channel - 1, _serialReceiver->usToRc(min), _serialReceiver->usToRc(max));
+        return this->SerialReceiver::setFlightMode(flightMode, channel - 1, this->SerialReceiver::usToRc(min), this->SerialReceiver::usToRc(max));
 #else
         // Prevent compiler warnings
         (void)flightMode;
@@ -223,7 +237,7 @@ namespace sketchLayer
     void CRSFforArduino::setFlightModeCallback(void (*callback)(serialReceiverLayer::flightModeId_t flightMode))
     {
 #if CRSF_RC_ENABLED > 0 && CRSF_FLIGHTMODES_ENABLED > 0
-        _serialReceiver->setFlightModeCallback(callback);
+        this->SerialReceiver::setFlightModeCallback(callback);
 #else
         // Prevent compiler warnings
         (void)callback;
@@ -240,7 +254,7 @@ namespace sketchLayer
     void CRSFforArduino::telemetryWriteAttitude(int16_t roll, int16_t pitch, int16_t yaw)
     {
 #if CRSF_TELEMETRY_ENABLED > 0 && CRSF_TELEMETRY_ATTITUDE_ENABLED > 0
-        _serialReceiver->telemetryWriteAttitude(roll, pitch, yaw);
+        this->SerialReceiver::telemetryWriteAttitude(roll, pitch, yaw);
 #else
         // Prevent compiler warnings
         (void)roll;
@@ -258,7 +272,7 @@ namespace sketchLayer
     void CRSFforArduino::telemetryWriteBaroAltitude(uint16_t altitude, int16_t vario)
     {
 #if CRSF_TELEMETRY_ENABLED > 0 && CRSF_TELEMETRY_BAROALTITUDE_ENABLED > 0
-        _serialReceiver->telemetryWriteBaroAltitude(altitude, vario);
+        this->SerialReceiver::telemetryWriteBaroAltitude(altitude, vario);
 #else
         // Prevent compiler warnings
         (void)altitude;
@@ -277,7 +291,7 @@ namespace sketchLayer
     void CRSFforArduino::telemetryWriteBattery(float voltage, float current, uint32_t fuel, uint8_t percent)
     {
 #if CRSF_TELEMETRY_ENABLED > 0 && CRSF_TELEMETRY_BATTERY_ENABLED > 0
-        _serialReceiver->telemetryWriteBattery(voltage, current, fuel, percent);
+        this->SerialReceiver::telemetryWriteBattery(voltage, current, fuel, percent);
 #else
         // Prevent compiler warnings
         (void)voltage;
@@ -292,13 +306,14 @@ namespace sketchLayer
      * 
      * @param flightMode The Flight Mode to send.
      */
-    void CRSFforArduino::telemetryWriteFlightMode(serialReceiverLayer::flightModeId_t flightMode)
+    void CRSFforArduino::telemetryWriteFlightMode(serialReceiverLayer::flightModeId_t flightMode, bool disarmed)
     {
 #if CRSF_TELEMETRY_ENABLED > 0 && CRSF_TELEMETRY_FLIGHTMODE_ENABLED > 0
-        _serialReceiver->telemetryWriteFlightMode(flightMode);
+        this->SerialReceiver::telemetryWriteFlightMode(flightMode, disarmed);
 #else
         // Prevent compiler warnings
         (void)flightMode;
+        (void)disarmed;
 #endif
     }
 
@@ -307,10 +322,10 @@ namespace sketchLayer
      * 
      * @param flightMode The Flight Mode string to send.
      */
-    void CRSFforArduino::telemetryWriteCustomFlightMode(const char *flightMode, bool armed)
+    [[deprecated("This is nos handled automatically with telemetryWriteFlightMode()")]] void CRSFforArduino::telemetryWriteCustomFlightMode(const char *flightMode, bool armed)
     {
 #if CRSF_TELEMETRY_ENABLED > 0 && CRSF_TELEMETRY_FLIGHTMODE_ENABLED > 0
-        _serialReceiver->telemetryWriteCustomFlightMode(flightMode, armed);
+        this->SerialReceiver::telemetryWriteCustomFlightMode(flightMode, armed);
 #else
         // Prevent compiler warnings
         (void)flightMode;
@@ -330,7 +345,7 @@ namespace sketchLayer
     void CRSFforArduino::telemetryWriteGPS(float latitude, float longitude, float altitude, float speed, float groundCourse, uint8_t satellites)
     {
 #if CRSF_TELEMETRY_ENABLED > 0 && CRSF_TELEMETRY_GPS_ENABLED > 0
-        _serialReceiver->telemetryWriteGPS(latitude, longitude, altitude, speed, groundCourse, satellites);
+        this->SerialReceiver::telemetryWriteGPS(latitude, longitude, altitude, speed, groundCourse, satellites);
 #else
         // Prevent compiler warnings
         (void)latitude;

src/CRSFforArduino.hpp

@@ -4,7 +4,7 @@
  * @brief This is the Sketch Layer, which is a simplified API for CRSF for Arduino.
  * It is intended to be used by the user in their sketches.
  * @version 1.0.0
- * @date 2024-2-14
+ * @date 2024-2-18
  *
  * @copyright Copyright (c) 2024, Cassandra "ZZ Cat" Robinson. All rights reserved.
  *
@@ -52,19 +52,19 @@ namespace sketchLayer
         void setLinkStatisticsCallback(void (*callback)(serialReceiverLayer::link_statistics_t linkStatistics));
 
         // Flight mode functions.
+        bool setFlightMode(serialReceiverLayer::flightModeId_t flightModeId, const char *flightModeName, uint8_t channel, uint16_t min, uint16_t max);
         bool setFlightMode(serialReceiverLayer::flightModeId_t flightMode, uint8_t channel, uint16_t min, uint16_t max);
         void setFlightModeCallback(void (*callback)(serialReceiverLayer::flightModeId_t flightMode));
 
         // Telemetry functions.
         void telemetryWriteAttitude(int16_t roll, int16_t pitch, int16_t yaw);
         void telemetryWriteBaroAltitude(uint16_t altitude, int16_t vario);
         void telemetryWriteBattery(float voltage, float current, uint32_t fuel, uint8_t percent);
-        void telemetryWriteFlightMode(serialReceiverLayer::flightModeId_t flightMode);
+        void telemetryWriteFlightMode(serialReceiverLayer::flightModeId_t flightMode, bool disarmed = false);
         void telemetryWriteCustomFlightMode(const char *flightMode, bool armed = false);
         void telemetryWriteGPS(float latitude, float longitude, float altitude, float speed, float groundCourse, uint8_t satellites);
 
       private:
-        SerialReceiver *_serialReceiver;
     };
 } // namespace sketchLayer