MeshCore/variants/rak3401/RAK3401Board.h
2026-01-17 22:54:20 -08:00

70 lines
1.7 KiB
C++

#pragma once
#include <MeshCore.h>
#include <Arduino.h>
#include <helpers/NRF52Board.h>
// LoRa radio module pins for RAK13302
#define P_LORA_SCLK 3
#define P_LORA_MISO 29
#define P_LORA_MOSI 30
#define P_LORA_NSS 26
#define P_LORA_DIO_1 10
#define P_LORA_BUSY 9
#define P_LORA_RESET 4
#ifndef P_LORA_PA_EN
#define P_LORA_PA_EN 31
#endif
//#define PIN_GPS_SDA 13 //GPS SDA pin (output option)
//#define PIN_GPS_SCL 14 //GPS SCL pin (output option)
// #define PIN_GPS_TX 16 //GPS TX pin
// #define PIN_GPS_RX 15 //GPS RX pin
#define PIN_GPS_1PPS 17 //GPS PPS pin
#define GPS_BAUD_RATE 9600
#define GPS_ADDRESS 0x42 //i2c address for GPS
#define SX126X_DIO2_AS_RF_SWITCH
#define SX126X_DIO3_TCXO_VOLTAGE 1.8
// built-ins
#define PIN_VBAT_READ 5
#define ADC_MULTIPLIER (3 * 1.73 * 1.187 * 1000)
#define PIN_3V3_EN (34)
#define WB_IO2 PIN_3V3_EN
class RAK3401Board : public NRF52BoardDCDC, public NRF52BoardOTA {
public:
RAK3401Board() : NRF52BoardOTA("RAK3401_OTA") {}
void begin();
#define BATTERY_SAMPLES 8
uint16_t getBattMilliVolts() override {
analogReadResolution(12);
uint32_t raw = 0;
for (int i = 0; i < BATTERY_SAMPLES; i++) {
raw += analogRead(PIN_VBAT_READ);
}
raw = raw / BATTERY_SAMPLES;
return (ADC_MULTIPLIER * raw) / 4096;
}
const char* getManufacturerName() const override {
return "RAK 3401";
}
#ifdef P_LORA_PA_EN
void onBeforeTransmit() override {
digitalWrite(P_LORA_PA_EN, HIGH); // Enable PA before transmission
}
void onAfterTransmit() override {
digitalWrite(P_LORA_PA_EN, LOW); // Disable PA after transmission to save power
}
#endif
};