Add MeshCore relay_radio firmware for Heltec T114

variants/minewsemi_me25ls01/MinewsemiME25LS01Board.cpp

@@ -0,0 +1,29 @@
+#include <Arduino.h>
+#include <Wire.h>
+
+#include "MinewsemiME25LS01Board.h"
+
+void MinewsemiME25LS01Board::begin() {
+  NRF52Board::begin();
+  btn_prev_state = HIGH;
+  
+  pinMode(PIN_VBAT_READ, INPUT);
+
+#ifdef BUTTON_PIN
+  pinMode(BUTTON_PIN, INPUT);
+  pinMode(LED_PIN, OUTPUT);
+#endif
+
+#if defined(PIN_BOARD_SDA) && defined(PIN_BOARD_SCL)
+  Wire.setPins(PIN_BOARD_SDA, PIN_BOARD_SCL);
+#endif
+
+  Wire.begin();
+  
+#ifdef P_LORA_TX_LED
+  pinMode(P_LORA_TX_LED, OUTPUT);
+  digitalWrite(P_LORA_TX_LED, LOW);
+#endif
+
+  delay(10);   // give sx1262 some time to power up
+}