Added support for Teensy (#175)

.github/workflows/main.yml

@@ -33,6 +33,7 @@ jobs:
           - arduino:mbed_rp2040:pico
           - CubeCell:CubeCell:CubeCell-Board
           - MegaCore:avr:1281
+          - teensy:avr:teensy41
 
     runs-on: ubuntu-latest
     name: ${{ matrix.board }}
@@ -137,6 +138,10 @@ jobs:
             # MegaCore
             echo "::set-output name=index-url::--additional-urls https://mcudude.github.io/MegaCore/package_MCUdude_MegaCore_index.json"
 
+          elif [[ "${{ contains(matrix.board, 'teensy:avr') }}" == "true" ]]; then
+            # Teensy
+            echo "::set-output name=index-url::--additional-urls https://www.pjrc.com/teensy/td_156/package_teensy_index.json"
+
           fi
 
       - name: Install platform

README.md

@@ -75,6 +75,9 @@ SX127x, RFM9x, SX126x, RF69, SX1231, CC1101, nRF24L01, RFM2x, Si443x and SX128x
 * __Heltec__
   * [__CubeCell__](https://github.com/HelTecAutomation/CubeCell-Arduino) - ASR650X series (CubeCell-Board, CubeCell-Capsule, CubeCell-Module etc.)
 
+* __PJRC__
+  * [__Teensy__](https://github.com/PaulStoffregen/cores) - Teensy 2.x, 3.x and 4.x boards
+
 The list above is by no means exhaustive - RadioLib code is independent of the used platform! Compilation of all examples is tested for all platforms officially supported prior to releasing new version.
 
 ### In development:

src/BuildOpt.h

@@ -788,6 +788,40 @@
     inline unsigned long micros() { return((unsigned long)(STCV)); };
     #endif
 
+  #elif defined(TEENSYDUINO)
+    // Teensy
+    #define RADIOLIB_PLATFORM                           "Teensy"
+    #define RADIOLIB_PIN_TYPE                           uint8_t
+    #define RADIOLIB_PIN_MODE                           uint8_t
+    #define RADIOLIB_PIN_STATUS                         uint8_t
+    #define RADIOLIB_INTERRUPT_STATUS                   RADIOLIB_PIN_STATUS
+    #define RADIOLIB_DIGITAL_PIN_TO_INTERRUPT(p)        digitalPinToInterrupt(p)
+    #define RADIOLIB_NC                                 (0xFF)
+    #define RADIOLIB_DEFAULT_SPI                        SPI
+    #define RADIOLIB_DEFAULT_SPI_SETTINGS               SPISettings(2000000, MSBFIRST, SPI_MODE0)
+    #define RADIOLIB_NONVOLATILE                        PROGMEM
+    #define RADIOLIB_NONVOLATILE_READ_BYTE(addr)        pgm_read_byte(addr)
+    #define RADIOLIB_TYPE_ALIAS(type, alias)            using alias = type;
+
+    // Arduino API callbacks
+    #define RADIOLIB_CB_ARGS_PIN_MODE                   (void, pinMode, uint8_t pin, uint8_t mode)
+    #define RADIOLIB_CB_ARGS_DIGITAL_WRITE              (void, digitalWrite, uint8_t pin, uint8_t value)
+    #define RADIOLIB_CB_ARGS_DIGITAL_READ               (uint8_t, digitalRead, uint8_t pin)
+    #define RADIOLIB_CB_ARGS_TONE                       (void, tone, uint8_t _pin, short unsigned int frequency, long unsigned int duration)
+    #define RADIOLIB_CB_ARGS_NO_TONE                    (void, noTone, uint8_t _pin)
+    #define RADIOLIB_CB_ARGS_ATTACH_INTERRUPT           (void, attachInterrupt, uint8_t interruptNum, void (*userFunc)(void), int mode)
+    #define RADIOLIB_CB_ARGS_DETACH_INTERRUPT           (void, detachInterrupt, uint8_t interruptNum)
+    #define RADIOLIB_CB_ARGS_YIELD                      (void, yield, void)
+    #define RADIOLIB_CB_ARGS_DELAY                      (void, delay, unsigned long ms)
+    #define RADIOLIB_CB_ARGS_DELAY_MICROSECONDS         (void, delayMicroseconds, long unsigned int us)
+    #define RADIOLIB_CB_ARGS_MILLIS                     (unsigned long, millis, void)
+    #define RADIOLIB_CB_ARGS_MICROS                     (unsigned long, micros, void)
+    #define RADIOLIB_CB_ARGS_SPI_BEGIN                  (void, SPIbegin, void)
+    #define RADIOLIB_CB_ARGS_SPI_BEGIN_TRANSACTION      (void, SPIbeginTransaction, void)
+    #define RADIOLIB_CB_ARGS_SPI_TRANSFER               (uint8_t, SPItransfer, uint8_t b)
+    #define RADIOLIB_CB_ARGS_SPI_END_TRANSACTION        (void, SPIendTransaction, void)
+    #define RADIOLIB_CB_ARGS_SPI_END                    (void, SPIend, void)
+
   #else
     // other Arduino platforms not covered by the above list - this may or may not work
     #define RADIOLIB_PLATFORM                           "Unknown Arduino"