meshtastic-firmware/variants/rak4631/variant.h

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6.6 KiB
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_RAK4630_
#define _VARIANT_RAK4630_
#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
/*
* Buttons
*/
#define PIN_BUTTON1 9 // Pin for button on E-ink button module or IO expansion
#define BUTTON_NEED_PULLUP
#define PIN_BUTTON2 12
#define PIN_BUTTON3 24
#define PIN_BUTTON4 25
/*
* Analog pins
*/
#define PIN_A0 (5)
#define PIN_A1 (31)
#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
// Other pins
#define PIN_AREF (2)
#define PIN_NFC1 (9)
#define PIN_NFC2 (10)
static const uint8_t AREF = PIN_AREF;
/*
* Serial interfaces
*/
#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) // (0 + 29)
#define PIN_SPI1_MOSI (30) // (0 + 30)
#define PIN_SPI1_SCK (3) // (0 + 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;
/*
* eink display pins
*/
#define PIN_EINK_EN (0 + 2) // (0 + 2) Note: this is really just backlight power
#define PIN_EINK_CS (0 + 26)
#define PIN_EINK_BUSY (0 + 4)
#define PIN_EINK_DC (0 + 17)
#define PIN_EINK_RES (-1)
#define PIN_EINK_SCLK (0 + 3)
#define PIN_EINK_MOSI (0 + 30) // also called SDI
// Controls power for the eink display - Board power is enabled either by VBUS from USB or the CPU asserting PWR_ON
// FIXME - I think this is actually just the board power enable - it enables power to the CPU also
//#define PIN_EINK_PWR_ON (-1)
// #define HAS_EINK
/*
* Wire Interfaces
*/
#define WIRE_INTERFACES_COUNT 1
#define PIN_WIRE_SDA (13)
#define PIN_WIRE_SCL (14)
// QSPI Pins
#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
#define EXTERNAL_FLASH_DEVICES IS25LP080D
#define EXTERNAL_FLASH_USE_QSPI
/* @note RAK5005-O GPIO mapping to RAK4631 GPIO ports
RAK5005-O <-> nRF52840
IO1 <-> P0.17 (Arduino GPIO number 17)
IO2 <-> P1.02 (Arduino GPIO number 34)
IO3 <-> P0.21 (Arduino GPIO number 21)
IO4 <-> P0.04 (Arduino GPIO number 4)
IO5 <-> P0.09 (Arduino GPIO number 9)
IO6 <-> P0.10 (Arduino GPIO number 10)
SW1 <-> P0.01 (Arduino GPIO number 1)
A0 <-> P0.04/AIN2 (Arduino Analog A2
A1 <-> P0.31/AIN7 (Arduino Analog A7
SPI_CS <-> P0.26 (Arduino GPIO number 26)
*/
// RAK4630 LoRa module
#define USE_SX1262
#define SX126X_CS (42)
#define SX126X_DIO1 (47)
#define SX126X_BUSY (46)
#define SX126X_RESET (38)
#define SX126X_TXEN (39)
#define SX126X_RXEN (37)
#define SX126X_E22 // DIO2 controlls an antenna switch and the TCXO voltage is controlled by DIO3
// 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_RESET (34)
#define PIN_GPS_EN (34)
#define PIN_GPS_PPS (17) // Pulse per second input from the GPS
#define GPS_RX_PIN PIN_SERIAL1_RX
#define GPS_TX_PIN PIN_SERIAL1_TX
// RAK12002 RTC Module
#define RV3028_RTC (uint8_t) 0b1010010
// RAK18001 Buzzer in Slot C
#define PIN_BUZZER 21 // IO3 is PWM2
// 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
// Definition of milliVolt per LSB => 3.0V ADC range and 12-bit ADC resolution = 3000mV/4096
#define VBAT_MV_PER_LSB (0.73242188F)
// Voltage divider value => 1.5M + 1M voltage divider on VBAT = (1.5M / (1M + 1.5M))
#define VBAT_DIVIDER (0.4F)
// Compensation factor for the VBAT divider
#define VBAT_DIVIDER_COMP (1.73)
// Fixed calculation of milliVolt from compensation value
#define REAL_VBAT_MV_PER_LSB (VBAT_DIVIDER_COMP * VBAT_MV_PER_LSB)
#undef AREF_VOLTAGE
#define AREF_VOLTAGE 3.0
#define VBAT_AR_INTERNAL AR_INTERNAL_3_0
#define ADC_MULTIPLIER VBAT_DIVIDER_COMP //REAL_VBAT_MV_PER_LSB
#define VBAT_RAW_TO_SCALED(x) (REAL_VBAT_MV_PER_LSB * x)
#ifdef __cplusplus
}
#endif
/*----------------------------------------------------------------------------
* Arduino objects - C++ only
*----------------------------------------------------------------------------*/
#endif