cc1101_esp_pin_config.h

// NOTE: CAN't USE D0 for interrupts on WeMos D1 mini!!
// "All of the IO pins have interrupt/pwm/I2C/one-wire support except D0"


// -----------------------------------------------------------------
// The pin number on the ESP device that connects to the GD0 pin on the CC1101
//
#if defined ESP32
  #define CC1101_GDO0 34   // Use GPIO PIN 34 as the interrupt pin
#elif defined ESP8266 // assume it's an ESP8266
  #define CC1101_GDO0 D2   // Use GPIO PIN D2 as the interrupt pin
						   // Can't use D0 as it doesn't support Interrupts
						   // Can't use D3 and D4 as the pin is pulled HIGH which the CC1101
						   // pulls LOW - connected to FLASH button, boot fails if pulled LOW
						   // https://randomnerdtutorials.com/esp8266-pinout-reference-gpios/
						   //
#else
  #pragma message "UNKNOWN DEVICE!"
  #define CC1101_GDO0 0
#endif 
// -----------------------------------------------------------------