MeshCore/variants/waveshare_c3_zero/target.cpp

#include <Arduino.h>
#include "target.h"

WaveshareC3ZeroBoard board;

#if defined(P_LORA_SCLK)
  // NOTE: ESP32-C3 only exposes one general-purpose SPI peripheral (FSPI).
  // The default SPIClass() constructor does not reliably bind to it on this
  // chip, which silently produces an SPI object that never talks to real
  // hardware -- radio chip-detection then fails every time with no error
  // other than RADIOLIB_ERR_CHIP_NOT_FOUND. Always pass FSPI explicitly.
  static SPIClass spi(FSPI);
  RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY, spi);
#else
  RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY);
#endif

WRAPPER_CLASS radio_driver(radio, board);

ESP32RTCClock fallback_clock;
AutoDiscoverRTCClock rtc_clock(fallback_clock);

#if ENV_INCLUDE_GPS
  #include <helpers/sensors/MicroNMEALocationProvider.h>
  MicroNMEALocationProvider nmea = MicroNMEALocationProvider(Serial1, &rtc_clock);
  EnvironmentSensorManager sensors = EnvironmentSensorManager(nmea);
#else
  EnvironmentSensorManager sensors;
#endif

bool radio_init() {
  fallback_clock.begin();
  rtc_clock.begin(Wire);

#if defined(P_LORA_SCLK)
  spi.begin(P_LORA_SCLK, P_LORA_MISO, P_LORA_MOSI);
  return radio.std_init(&spi);
#else
  return radio.std_init();
#endif
}

mesh::LocalIdentity radio_new_identity() {
  RadioNoiseListener rng(radio);
  return mesh::LocalIdentity(&rng);  // create new random identity
}