[SX126x] Added builtin module for CubeCell (#412)

examples/SX126x/SX126x_Channel_Activity_Detection/SX126x_Channel_Activity_Detection.ino

@@ -29,6 +29,9 @@ SX1262 radio = new Module(10, 2, 3, 9);
 // https://github.com/jgromes/RadioShield
 //SX1262 radio = RadioShield.ModuleA;
 
+// or using CubeCell
+//SX1262 radio = new Module(RADIOLIB_ONBOARD_MODULE);
+
 void setup() {
   Serial.begin(9600);
 

examples/SX126x/SX126x_Channel_Activity_Detection_Interrupt/SX126x_Channel_Activity_Detection_Interrupt.ino

@@ -29,6 +29,9 @@ SX1262 radio = new Module(10, 2, 3, 9);
 // https://github.com/jgromes/RadioShield
 //SX1262 radio = RadioShield.ModuleA;
 
+// or using CubeCell
+//SX1262 radio = new Module(RADIOLIB_ONBOARD_MODULE);
+
 void setup() {
   Serial.begin(9600);
 

examples/SX126x/SX126x_FSK_Modem/SX126x_FSK_Modem.ino

@@ -30,6 +30,9 @@ SX1262 radio = new Module(10, 2, 3, 9);
 // https://github.com/jgromes/RadioShield
 //SX1262 radio = RadioShield.ModuleA;
 
+// or using CubeCell
+//SX1262 radio = new Module(RADIOLIB_ONBOARD_MODULE);
+
 void setup() {
   Serial.begin(9600);
 

examples/SX126x/SX126x_PingPong/SX126x_PingPong.ino

@@ -26,6 +26,9 @@ SX1262 radio = new Module(10, 2, 3, 9);
 // https://github.com/jgromes/RadioShield
 //SX1262 radio = RadioShield.ModuleA;
 
+// or using CubeCell
+//SX1262 radio = new Module(RADIOLIB_ONBOARD_MODULE);
+
 // save transmission states between loops
 int transmissionState = RADIOLIB_ERR_NONE;
 

examples/SX126x/SX126x_Receive/SX126x_Receive.ino

@@ -34,6 +34,9 @@ SX1262 radio = new Module(10, 2, 3, 9);
 // https://github.com/jgromes/RadioShield
 //SX1262 radio = RadioShield.ModuleA;
 
+// or using CubeCell
+//SX1262 radio = new Module(RADIOLIB_ONBOARD_MODULE);
+
 void setup() {
   Serial.begin(9600);
 

examples/SX126x/SX126x_Receive_Interrupt/SX126x_Receive_Interrupt.ino

@@ -35,6 +35,9 @@ SX1262 radio = new Module(10, 2, 3, 9);
 // https://github.com/jgromes/RadioShield
 //SX1262 radio = RadioShield.ModuleA;
 
+// or using CubeCell
+//SX1262 radio = new Module(RADIOLIB_ONBOARD_MODULE);
+
 void setup() {
   Serial.begin(9600);
 

examples/SX126x/SX126x_Settings/SX126x_Settings.ino

@@ -45,6 +45,9 @@ SX1268 radio2 = new Module(8, 4, 5, 6);
 // https://github.com/jgromes/RadioShield
 //SX1261 radio3 = RadioShield.ModuleB;
 
+// or using CubeCell
+//SX1262 radio = new Module(RADIOLIB_ONBOARD_MODULE);
+
 void setup() {
   Serial.begin(9600);
 

examples/SX126x/SX126x_Transmit/SX126x_Transmit.ino

@@ -30,6 +30,9 @@ SX1262 radio = new Module(10, 2, 3, 9);
 // https://github.com/jgromes/RadioShield
 //SX1262 radio = RadioShield.ModuleA;
 
+// or using CubeCell
+//SX1262 radio = new Module(RADIOLIB_ONBOARD_MODULE);
+
 void setup() {
   Serial.begin(9600);
 

examples/SX126x/SX126x_Transmit_Interrupt/SX126x_Transmit_Interrupt.ino

@@ -31,6 +31,9 @@ SX1262 radio = new Module(10, 2, 3, 9);
 // https://github.com/jgromes/RadioShield
 //SX1262 radio = RadioShield.ModuleA;
 
+// or using CubeCell
+//SX1262 radio = new Module(RADIOLIB_ONBOARD_MODULE);
+
 // save transmission state between loops
 int transmissionState = RADIOLIB_ERR_NONE;
 

keywords.txt

@@ -234,6 +234,8 @@ RADIOLIB_ENCODING_NRZ	LITERAL1
 RADIOLIB_ENCODING_MANCHESTER	LITERAL1
 RADIOLIB_ENCODING_WHITENING	LITERAL1
 
+RADIOLIB_BUILTIN_MODULE	LITERAL1
+
 RADIOLIB_ERR_NONE	LITERAL1
 RADIOLIB_ERR_UNKNOWN	LITERAL1
 

src/BuildOpt.h

@@ -27,6 +27,7 @@
  * RADIOLIB_NONVOLATILE_READ_BYTE - function/macro to read variables saved in program storage (usually Flash).
  * RADIOLIB_TYPE_ALIAS - construct to create an alias for a type, usually vai the `using` keyword.
  * RADIOLIB_TONE_UNSUPPORTED - some platforms do not have tone()/noTone(), which is required for AFSK.
+ * RADIOLIB_BUILTIN_MODULE - some platforms have a builtin radio module on fixed pins, this macro is used to specify that pinout.
  *
  * In addition, some platforms may require RadioLib to disable specific drivers (such as ESP8266).
  *
@@ -699,6 +700,10 @@
     #define RADIOLIB_CB_ARGS_SPI_END_TRANSACTION        (void, SPIendTransaction, void)
     #define RADIOLIB_CB_ARGS_SPI_END                    (void, SPIend, void)
 
+    // provide an easy access to the on-board module
+    #include "board-config.h"
+    #define RADIOLIB_BUILTIN_MODULE                      RADIO_NSS, RADIO_DIO_1, RADIO_RESET, RADIO_BUSY
+
     // CubeCell doesn't seem to define nullptr, let's do something like that now
     #define nullptr                                     NULL