Add MeshCore relay_radio firmware for Heltec T114

variants/waveshare_rp2040_lora/target.cpp

@@ -0,0 +1,35 @@
+#include "target.h"
+
+#include <Arduino.h>
+#include <helpers/ArduinoHelpers.h>
+
+WaveshareBoard board;
+
+RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY, SPI1);
+WRAPPER_CLASS radio_driver(radio, board);
+
+VolatileRTCClock fallback_clock;
+AutoDiscoverRTCClock rtc_clock(fallback_clock);
+SensorManager sensors;
+
+bool radio_init() {
+  rtc_clock.begin(Wire);
+
+  SPI1.setSCK(P_LORA_SCLK);
+  SPI1.setTX(P_LORA_MOSI);
+  SPI1.setRX(P_LORA_MISO);
+
+  pinMode(P_LORA_NSS, OUTPUT);
+  digitalWrite(P_LORA_NSS, HIGH);
+
+  SPI1.begin(false);
+
+  //passing NULL skips init of SPI
+  return radio.std_init(NULL);
+}
+
+mesh::LocalIdentity radio_new_identity() {
+  RadioNoiseListener rng(radio);
+  return mesh::LocalIdentity(&rng); // create new random identity
+}
+