// #define RADIOLIB_CUSTOM_ARDUINO 1 // #define RADIOLIB_TONE_UNSUPPORTED 1 // #define RADIOLIB_SOFTWARE_SERIAL_UNSUPPORTED 1 #define ARDUINO_ARCH_AVR // #define USE_SH1106 1 // default I2C pins: // SDA = 4 // SCL = 5 // Recommended pins for SerialModule: // txd = 8 // rxd = 9 #define EXT_NOTIFY_OUT 22 #undef BUTTON_PIN // Pin 17 used for antenna switching via DIO4 #define LED_PIN PIN_LED // #define BATTERY_PIN 26 // ratio of voltage divider = 3.0 (R17=200k, R18=100k) // #define ADC_MULTIPLIER 3.1 // 3.0 + a bit for being optimistic #define HAS_CPU_SHUTDOWN 1 #define USE_SX1262 #undef LORA_SCK #undef LORA_MISO #undef LORA_MOSI #undef LORA_CS // https://www.waveshare.com/rp2040-lora.htm // https://www.waveshare.com/img/devkit/RP2040-LoRa-HF/RP2040-LoRa-HF-details-11.jpg #define LORA_SCK 14 // GPIO14 #define LORA_MISO 24 // GPIO24 #define LORA_MOSI 15 // GPIO15 #define LORA_CS 13 // GPIO13 #define LORA_DIO0 RADIOLIB_NC // No GPIO connection #define LORA_RESET 23 // GPIO23 #define LORA_BUSY 18 // GPIO18 #define LORA_DIO1 16 // GPIO16 #define LORA_DIO2 RADIOLIB_NC // Antenna switching, no GPIO connection #define LORA_DIO3 RADIOLIB_NC // No GPIO connection #define LORA_DIO4 17 // GPIO17 // On rp2040-lora board the antenna switch is wired and works with complementary-pin control logic. // See PE4259 datasheet page 4 #ifdef USE_SX1262 #define SX126X_CS LORA_CS #define SX126X_DIO1 LORA_DIO1 #define SX126X_BUSY LORA_BUSY #define SX126X_RESET LORA_RESET #define SX126X_DIO2_AS_RF_SWITCH // Antenna switch CTRL #define SX126X_RXEN LORA_DIO4 // Antenna switch !CTRL via GPIO17 // #define SX126X_DIO3_TCXO_VOLTAGE 1.8 #endif