update nano g2 to use radio.std_init

variants/nano_g2_ultra/target.cpp

@@ -18,43 +18,14 @@ NanoG2UltraSensorManager sensors = NanoG2UltraSensorManager(nmea);
 DISPLAY_CLASS display;
 #endif
 
-#ifndef LORA_CR
-#define LORA_CR 5
-#endif
-
 bool radio_init()
 {
   rtc_clock.begin(Wire);
 
-#ifdef SX126X_DIO3_TCXO_VOLTAGE
-  float tcxo = SX126X_DIO3_TCXO_VOLTAGE;
-#else
-  float tcxo = 1.6f;
-#endif
-
   SPI.setPins(P_LORA_MISO, P_LORA_SCLK, P_LORA_MOSI);
   SPI.begin();
-  int status = radio.begin(LORA_FREQ, LORA_BW, LORA_SF, LORA_CR, RADIOLIB_SX126X_SYNC_WORD_PRIVATE, LORA_TX_POWER, 8, tcxo);
-  if (status != RADIOLIB_ERR_NONE)
-  {
-    Serial.print("ERROR: radio init failed: ");
-    Serial.println(status);
-    return false; // fail
-  }
-
-  radio.setCRC(1);
-
-#ifdef SX126X_CURRENT_LIMIT
-  radio.setCurrentLimit(SX126X_CURRENT_LIMIT);
-#endif
-#ifdef SX126X_DIO2_AS_RF_SWITCH
-  radio.setDio2AsRfSwitch(SX126X_DIO2_AS_RF_SWITCH);
-#endif
-#ifdef SX126X_RX_BOOSTED_GAIN
-  radio.setRxBoostedGainMode(SX126X_RX_BOOSTED_GAIN);
-#endif
 
-  return true; // success
+  return radio.std_init(&SPI);
 }
 
 uint32_t radio_get_rng_seed()