/*
  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_TREX_
#define _VARIANT_TREX_

#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 (1)
#define NUM_ANALOG_OUTPUTS (0)

// LEDs
#define PIN_LED1 (32 + 4) // P1.04 Controls Green LED
#define PIN_LED2 (28)     // P0.28 Controls Blue LED

#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

// Button
#define PIN_BUTTON1 (26)
#define BUTTON_ACTIVE_LOW 0
#define BUTTON_ACTIVE_PULLUP 0

#define ADC_RESOLUTION 14 // ???

// Serial for GPS
#define PIN_SERIAL1_RX (25)
#define PIN_SERIAL1_TX (24)

// Connected to Jlink CDC
#define PIN_SERIAL2_RX (8) // ???
#define PIN_SERIAL2_TX (6) // ???

/*
 * SPI Interfaces
 */
#define SPI_INTERFACES_COUNT 1

#define PIN_SPI_MISO (45)
#define PIN_SPI_MOSI (44)
#define PIN_SPI_SCK (43)

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;

// T-Rex Extras
#define DCDC_EN_HOLD (13) // P0.13 Keeps DCDC alive after user button  is pressed
#define NRF_ON (29)       // P0.29 Tells IO controller device is on

// RAKRGB
#define HAS_NCP5623 // ???

#define HAS_SCREEN 0

/*
 * Wire Interfaces
 */
#define WIRE_INTERFACES_COUNT 1

#define PIN_WIRE_SDA (19) // P0.19 RTC_SDA
#define PIN_WIRE_SCL (20) // P0.20 RTC_SDA

#define PIN_BUZZER (0 + 3) // P0.03

#define USE_SX1262
#define SX126X_CS (42)
#define SX126X_DIO1 (47)
#define SX126X_BUSY (46)
#define SX126X_RESET (38)
#define SX126X_POWER_EN (37)

// DIO2 controlls an antenna switch and the TCXO voltage is controlled by DIO3
#define SX126X_DIO2_AS_RF_SWITCH
#define SX126X_DIO3_TCXO_VOLTAGE 1.8

// Testing USB detection
#define NRF_APM

#define PIN_GPS_EN (32 + 1) // P1.01
#define PIN_GPS_PPS (2)     // P0.02 Pulse per second input from the GPS

#define GPS_RX_PIN PIN_SERIAL1_RX
#define GPS_TX_PIN PIN_SERIAL1_TX

// Battery
#define BATTERY_PIN (0 + 31) // P0.31 ADC_VBAT
// 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 RX8130CE_RTC 0x32

#ifdef __cplusplus
}
#endif

/*----------------------------------------------------------------------------
 *        Arduino objects - C++ only
 *----------------------------------------------------------------------------*/

#endif