support for meshtiny

variants/meshtiny/MeshtinyBoard.h

@@ -0,0 +1,66 @@
+#pragma once
+
+#include <Arduino.h>
+#include <MeshCore.h>
+#include <helpers/NRF52Board.h>
+
+class MeshtinyBoard : public NRF52BoardDCDC, public NRF52BoardOTA {
+protected:
+  uint8_t btn_prev_state;
+
+public:
+  MeshtinyBoard() : NRF52BoardOTA("Meshtiny OTA") {}
+  void begin();
+
+#if defined(P_LORA_TX_LED)
+  void onBeforeTransmit() override {
+    digitalWrite(P_LORA_TX_LED, HIGH);   // turn TX LED on
+  }
+  void onAfterTransmit() override {
+    digitalWrite(P_LORA_TX_LED, LOW);   // turn TX LED off
+  }
+#endif
+
+  uint16_t getBattMilliVolts() override {
+    int adcvalue = 0;
+    analogReadResolution(12);
+    analogReference(AR_INTERNAL_3_0);
+    delay(10);
+    adcvalue = analogRead(PIN_VBAT_READ);
+    return (adcvalue * ADC_MULTIPLIER * AREF_VOLTAGE) / 4.096;
+  }
+
+  const char *getManufacturerName() const override { return "Meshtiny"; }
+
+  void reboot() override { NVIC_SystemReset(); }
+
+  void powerOff() override {
+
+#ifdef PIN_USER_BTN
+    while (digitalRead(PIN_USER_BTN) == LOW) {
+      delay(10);
+    }
+#endif
+
+#ifdef PIN_3V3_EN
+    pinMode(PIN_3V3_EN, OUTPUT);
+    digitalWrite(PIN_3V3_EN, LOW);
+#endif
+
+
+#ifdef PIN_LED1
+    digitalWrite(PIN_LED1, LOW);
+#endif
+
+#ifdef PIN_LED2
+    digitalWrite(PIN_LED2, LOW);
+#endif
+
+#ifdef PIN_USER_BTN
+    nrf_gpio_cfg_sense_input(g_ADigitalPinMap[PIN_USER_BTN], NRF_GPIO_PIN_PULLUP, NRF_GPIO_PIN_SENSE_LOW);
+#endif
+
+    sd_power_system_off();
+  }
+
+};