82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
#pragma once
|
|
|
|
#include <MeshCore.h>
|
|
#include <Arduino.h>
|
|
#include <helpers/NRF52Board.h>
|
|
|
|
// LoRa radio module pins for RAK3401 with RAK13302 (uses SPI1)
|
|
#define P_LORA_DIO_1 10
|
|
#define P_LORA_NSS 26
|
|
#define P_LORA_RESET 4
|
|
#define P_LORA_BUSY 9
|
|
#define P_LORA_SCLK 3 // SPI1_SCK
|
|
#define P_LORA_MISO 29 // SPI1_MISO
|
|
#define P_LORA_MOSI 30 // SPI1_MOSI
|
|
#define SX126X_POWER_EN 21
|
|
|
|
//#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
|
|
|
|
// RAK13302 1W LoRa transceiver module PA control (WisBlock IO slot)
|
|
// The RAK13302 mounts to the IO slot and has an ANT_SW (antenna switch) pin that controls the PA
|
|
// This pin must be controlled during transmission to enable the 1W power amplifier
|
|
//
|
|
// According to RAK13302 datasheet: ANT_SW connects to IO3 on the IO slot
|
|
// RAK19007 base board pin mapping: IO3 = pin 31 (also available as AIN1/A1 for analog input)
|
|
//
|
|
// Default: Pin 31 (IO3) - ANT_SW pin from RAK13302 datasheet
|
|
// Override by defining P_LORA_PA_EN in platformio.ini if needed
|
|
#ifndef P_LORA_PA_EN
|
|
#define P_LORA_PA_EN 31 // ANT_SW pin from RAK13302 datasheet (IO3, pin 31 on RAK19007)
|
|
#endif
|
|
|
|
#define SX126X_DIO2_AS_RF_SWITCH true
|
|
#define SX126X_DIO3_TCXO_VOLTAGE 1.8
|
|
|
|
// built-ins
|
|
#define PIN_VBAT_READ 5
|
|
#define ADC_MULTIPLIER (3 * 1.73 * 1.187 * 1000)
|
|
|
|
// 3.3V periphery enable (GPS, IO Module, etc.)
|
|
#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
|
|
};
|