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MeshCore/variants/rak3401/variant.h
2026-03-09 20:49:29 -07:00

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C

/*
Copyright (c) 2014-2015 Arduino LLC. All right reserved.
Copyright (c) 2016 Sandeep Mistry All right reserved.
Copyright (c) 2018, Adafruit Industries (adafruit.com)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _VARIANT_RAK3401_
#define _VARIANT_RAK3401_
#define RAK4630
/** Master clock frequency */
#define VARIANT_MCK (64000000ul)
#define USE_LFXO // Board uses 32khz crystal for LF
// define USE_LFRC // Board uses RC for LF
/*----------------------------------------------------------------------------
* Headers
*----------------------------------------------------------------------------*/
#include "WVariant.h"
#ifdef __cplusplus
extern "C"
{
#endif // __cplusplus
// Number of pins defined in PinDescription array
#define PINS_COUNT (48)
#define NUM_DIGITAL_PINS (48)
#define NUM_ANALOG_INPUTS (6)
#define NUM_ANALOG_OUTPUTS (0)
// LEDs
#define PIN_LED1 (35)
#define PIN_LED2 (36)
#define LED_BUILTIN PIN_LED1
#define LED_CONN PIN_LED2
#define LED_GREEN PIN_LED1
#define LED_BLUE PIN_LED2
#define LED_STATE_ON 1 // State when LED is litted
/*
* Analog pins
*/
#define PIN_A0 (5) //(3)
#define PIN_A1 (31) //(4)
#define PIN_A2 (28)
#define PIN_A3 (29)
#define PIN_A4 (30)
#define PIN_A5 (31)
#define PIN_A6 (0xff)
#define PIN_A7 (0xff)
static const uint8_t A0 = PIN_A0;
static const uint8_t A1 = PIN_A1;
static const uint8_t A2 = PIN_A2;
static const uint8_t A3 = PIN_A3;
static const uint8_t A4 = PIN_A4;
static const uint8_t A5 = PIN_A5;
static const uint8_t A6 = PIN_A6;
static const uint8_t A7 = PIN_A7;
#define ADC_RESOLUTION 14
// Power management boot protection threshold (millivolts)
// Set to 0 to disable boot protection
#define PWRMGT_VOLTAGE_BOOTLOCK 3300 // Won't boot below this voltage (mV)
// LPCOMP wake configuration (voltage recovery from SYSTEMOFF)
// AIN3 = P0.05 = PIN_A0 / PIN_VBAT_READ
#define PWRMGT_LPCOMP_AIN 3
#define PWRMGT_LPCOMP_REFSEL 4 // 5/8 VDD (~3.13-3.44V)
// Other pins
#define WB_I2C1_SDA (13) // SENSOR_SLOT IO_SLOT
#define WB_I2C1_SCL (14) // SENSOR_SLOT IO_SLOT
#define PIN_AREF (2)
#define PIN_NFC1 (9)
#define WB_IO5 PIN_NFC1
#define WB_IO4 (4)
#define PIN_NFC2 (10)
static const uint8_t AREF = PIN_AREF;
/*
* Serial interfaces
*/
// TXD1 RXD1 on Base Board
#define PIN_SERIAL1_RX (15)
#define PIN_SERIAL1_TX (16)
// Connected to Jlink CDC
#define PIN_SERIAL2_RX (8)
#define PIN_SERIAL2_TX (6)
/*
* SPI Interfaces
*/
#define SPI_INTERFACES_COUNT 2
#define PIN_SPI_MISO (45)
#define PIN_SPI_MOSI (44)
#define PIN_SPI_SCK (43)
#define PIN_SPI1_MISO (29)
#define PIN_SPI1_MOSI (30)
#define PIN_SPI1_SCK (3)
static const uint8_t SS = 42;
static const uint8_t MOSI = PIN_SPI_MOSI;
static const uint8_t MISO = PIN_SPI_MISO;
static const uint8_t SCK = PIN_SPI_SCK;
/*
* Wire Interfaces
*/
#define WIRE_INTERFACES_COUNT 1
#define PIN_WIRE_SDA (WB_I2C1_SDA)
#define PIN_WIRE_SCL (WB_I2C1_SCL)
// QSPI Pins
// QSPI occupied by GPIO's
#define PIN_QSPI_SCK 3
#define PIN_QSPI_CS 26
#define PIN_QSPI_IO0 30
#define PIN_QSPI_IO1 29
#define PIN_QSPI_IO2 28
#define PIN_QSPI_IO3 2
// On-board QSPI Flash
// No onboard flash
#define EXTERNAL_FLASH_DEVICES IS25LP080D
#define EXTERNAL_FLASH_USE_QSPI
#define USE_SX1262
#define SX126X_CS (26)
#define SX126X_DIO1 (10)
#define SX126X_BUSY (9)
#define SX126X_RESET (4)
// SKY66122-11 FEM control on the RAK13302 module:
// CSD + CPS are tied together on the PCB, routed to WisBlock IO3 (P0.21).
// Setting IO3 HIGH enables the FEM (LNA for RX, PA path for TX).
// CTX is connected to SX1262 DIO2 — the radio handles TX/RX switching
// in hardware via SetDIO2AsRfSwitchCtrl (microsecond-accurate, no GPIO needed).
// The 5V boost for the PA is enabled by WB_IO2 (P0.34 = PIN_3V3_EN).
#define SX126X_POWER_EN (21) // P0.21 = IO3 -> SKY66122 CSD+CPS (FEM enable)
// CTX is driven by SX1262 DIO2, not a GPIO
#define SX126X_DIO2_AS_RF_SWITCH
#define SX126X_DIO3_TCXO_VOLTAGE 1.8
#define P_LORA_SCLK PIN_SPI1_SCK
#define P_LORA_MISO PIN_SPI1_MISO
#define P_LORA_MOSI PIN_SPI1_MOSI
#define P_LORA_NSS SX126X_CS
#define P_LORA_DIO_1 SX126X_DIO1
#define P_LORA_BUSY SX126X_BUSY
#define P_LORA_RESET SX126X_RESET
// enables 3.3V periphery like GPS or IO Module
// Do not toggle this for GPS power savings
#define PIN_3V3_EN (34)
#define WB_IO2 PIN_3V3_EN
// RAK1910 GPS module
// If using the wisblock GPS module and pluged into Port A on WisBlock base
// IO1 is hooked to PPS (pin 12 on header) = gpio 17
// IO2 is hooked to GPS RESET = gpio 34, but it can not be used to this because IO2 is ALSO used to control 3V3_S power (1 is on).
// Therefore must be 1 to keep peripherals powered
// Power is on the controllable 3V3_S rail
#define PIN_GPS_PPS (17) // Pulse per second input from the GPS
#define PIN_GPS_RX PIN_SERIAL1_RX
#define PIN_GPS_TX PIN_SERIAL1_TX
#define PIN_GPS_1PPS PIN_GPS_PPS
#define GPS_BAUD_RATE 9600
#define GPS_ADDRESS 0x42 //i2c address for GPS
// Battery
// The battery sense is hooked to pin A0 (5)
#define BATTERY_PIN PIN_A0
// and has 12 bit resolution
#define BATTERY_SENSE_RESOLUTION_BITS 12
#define BATTERY_SENSE_RESOLUTION 4096.0
#undef AREF_VOLTAGE
#define AREF_VOLTAGE 3.0
#define VBAT_AR_INTERNAL AR_INTERNAL_3_0
#define ADC_MULTIPLIER 1.73
#define HAS_RTC 1
#define RAK_4631 1
#ifdef __cplusplus
}
#endif
/*----------------------------------------------------------------------------
* Arduino objects - C++ only
*----------------------------------------------------------------------------*/
#endif