// Copyright (C) 2024, Mark Qvist

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program 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 General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

#include "Interfaces.h"
#include "ROM.h"

#ifndef BOARDS_H
  #define BOARDS_H

  #define PLATFORM_ESP32      0x80
  #define PLATFORM_NRF52      0x70

  #define MCU_ESP32           0x81
  #define MCU_NRF52           0x71

  // Products, boards and models. Grouped by manufacturer.
  // Below are the original RNodes, sold by Mark Qvist.
  #define PRODUCT_RNODE       0x03 // RNode devices
  #define BOARD_RNODE         0x31 // Original v1.0 RNode
  #define MODEL_A4            0xA4 // RNode v1.0, 433 MHz
  #define MODEL_A9            0xA9 // RNode v1.0, 868 MHz

  #define BOARD_RNODE_NG_20   0x40 // RNode hardware revision v2.0
  #define MODEL_A3            0xA3 // RNode v2.0, 433 MHz
  #define MODEL_A8            0xA8 // RNode v2.0, 868 MHz

  #define BOARD_RNODE_NG_21   0x41 // RNode hardware revision v2.1
  #define MODEL_A2            0xA2 // RNode v2.1, 433 MHz
  #define MODEL_A7            0xA7 // RNode v2.1, 868 MHz

  #define BOARD_T3S3          0x42 // T3S3 devices
  #define MODEL_A1            0xA1 // T3S3, 433 MHz with SX1268
  #define MODEL_A5            0xA5 // T3S3, 433 MHz with SX1278
  #define MODEL_A6            0xA6 // T3S3, 868 MHz with SX1262
  #define MODEL_AA            0xAA // T3S3, 868 MHz with SX1276
  #define MODEL_AC            0xAC // T3S3, 2.4 GHz with SX1280 and PA

  #define PRODUCT_TBEAM       0xE0 // T-Beam devices
  #define BOARD_TBEAM         0x33
  #define MODEL_E4            0xE4 // T-Beam SX1278, 433 Mhz
  #define MODEL_E9            0xE9 // T-Beam SX1276, 868 Mhz
  #define MODEL_E3            0xE3 // T-Beam SX1268, 433 Mhz
  #define MODEL_E8            0xE8 // T-Beam SX1262, 868 Mhz

  #define PRODUCT_TDECK_V1    0xD0 // T-Deck - sold by LilyGO
  #define BOARD_TDECK         0x3B
  #define MODEL_D4            0xD4 // LilyGO T-Deck, 433 MHz
  #define MODEL_D9            0xD9 // LilyGO T-Deck, 868 MHz

  #define PRODUCT_TBEAM_S_V1  0xEA // T-Beam Supreme - sold by LilyGO
  #define BOARD_TBEAM_S_V1    0x3D
  #define MODEL_DB            0xDB // LilyGO T-Beam Supreme, 433 MHz
  #define MODEL_DC            0xDC // LilyGO T-Beam Supreme, 868 MHz

  #define PRODUCT_T32_10      0xB2 // T3 v1.0 - sold by LilyGO
  #define BOARD_LORA32_V1_0   0x39
  #define MODEL_BA            0xBA // LilyGO T3 v1.0, 433 MHz
  #define MODEL_BB            0xBB // LilyGO T3 v1.0, 868 MHz

  #define PRODUCT_T32_20      0xB0 // T3 v2.0 - sold by LilyGO
  #define BOARD_LORA32_V2_0   0x36
  #define MODEL_B3            0xB3 // LilyGO T3 v2.0, 433 MHz
  #define MODEL_B8            0xB8 // LilyGO T3 v2.0, 868 MHz

  #define PRODUCT_T32_21      0xB1
  #define BOARD_LORA32_V2_1   0x37
  #define MODEL_B4            0xB4  // LilyGO T3 v2.1, 433 MHz
  #define MODEL_B9            0xB9  // LilyGO T3 v2.1, 868 MHz

  #define PRODUCT_H32_V2      0xC0  // Board code 0x38
  #define BOARD_HELTEC32_V2   0x38
  #define MODEL_C4            0xC4  // Heltec Lora32 v2, 433 MHz
  #define MODEL_C9            0xC9  // Heltec Lora32 v2, 868 MHz

  #define PRODUCT_H32_V3      0xC1
  #define BOARD_HELTEC32_V3   0x3A
  #define MODEL_C5            0xC5 // Heltec Lora32 v3, 433 MHz
  #define MODEL_CA            0xCA // Heltec Lora32 v3, 868 MHz
  
  #define PRODUCT_H_W_PAPER   0xC3
  #define BOARD_H_W_PAPER     0x3E
  #define MODEL_C8            0xC8

  #define PRODUCT_RAK4631     0x10 // RAK4631 - sold by RAKWireless
  #define BOARD_RAK4631       0x51
  #define MODEL_11            0x11 // RAK4631, 433 MHz
  #define MODEL_12            0x12 // RAK4631, 868 MHz
  #define MODEL_13            0x13 // RAK4631, 433MHz with WisBlock SX1280 module (LIBSYS002)
  #define MODEL_14            0x14 // RAK4631, 868/915 MHz with WisBlock SX1280 module (LIBSYS002)

  #define PRODUCT_OPENCOM_XL  0x20 // openCom XL - sold by Liberated Embedded Systems
  #define BOARD_OPENCOM_XL    0x52
  #define MODEL_21            0x21 // openCom XL, 868/915 MHz

  #define BOARD_E22_ESP32     0x45 // Custom Ebyte E22 board design for meshtastic, source:
                                   // https://github.com/NanoVHF/Meshtastic-DIY/blob/main/Schematics/E-Byte_E22/Mesh_Ebyte_E22-XXXM30S.pdf

  #define PRODUCT_HELTEC_T114 0xC2 // Heltec Mesh Node T114
  #define BOARD_HELTEC_T114   0x3C
  #define MODEL_C6            0xC6 // Heltec Mesh Node T114, 470-510 MHz
  #define MODEL_C7            0xC7 // Heltec Mesh Node T114, 863-928 MHz
  #define MODEL_CB            0xCB // Heltec Mesh Node T114, 863-928 MHz + GPS

  #define PRODUCT_TECHO       0x15 // LilyGO T-Echo devices
  #define BOARD_TECHO         0x44
  #define MODEL_16            0x16 // T-Echo 433 MHz
  #define MODEL_17            0x17 // T-Echo 868/915 MHz

  #define PRODUCT_HMBRW       0xF0
  #define BOARD_HMBRW         0x32
  #define BOARD_HUZZAH32      0x34
  #define BOARD_GENERIC_ESP32 0x35
  #define BOARD_GENERIC_NRF52 0x50
  #define MODEL_FE            0xFE // Homebrew board, max 17dBm output power
  #define MODEL_FF            0xFF // Homebrew board, max 14dBm output power

  // Board added by Mees Electronics
  #define BOARD_MEES_ESP32_S3 0x61 // Mees Electronics ESP32 S3 board
  #define MODEL_F1            0xF1 // SX1278
  #define MODEL_F2            0xF2 // SX1268

  // Displays
  #define OLED 0x01
  #define EINK_BW 0x02
  #define EINK_3C 0x03
  #define MONO_OLED 0x04
  #define TFT 0x05

  #if defined(ESP32)
    #define PLATFORM PLATFORM_ESP32
    #define MCU_VARIANT MCU_ESP32
  #elif defined(NRF52840_XXAA) || defined(_VARIANT_PCA10056_)
    #include <variant.h>
    #define PLATFORM PLATFORM_NRF52
    #define MCU_VARIANT MCU_NRF52
  #else
      #error "The firmware cannot be compiled for the selected MCU variant"
  #endif

  #define HAS_DISPLAY false
  #define HAS_BLUETOOTH false
  #define HAS_BLE false
  #define HAS_TCXO false
  #define HAS_PMU false
  #define HAS_NP false
  #define HAS_EEPROM false
  #define HAS_INPUT false
  #define HAS_SLEEP false
  #define PIN_DISP_SLEEP -1
  #define VALIDATE_FIRMWARE true

  #if defined(ENABLE_TCXO)
      #define HAS_TCXO true
  #endif

  #if MCU_VARIANT == MCU_ESP32
    // Board models for ESP32 based builds are defined by the build target in
    // the makefile. If you are not using make to compile this firmware, you
    // can manually define the model here.
    //
    // #define BOARD_MODEL BOARD_GENERIC_ESP32
    #define CONFIG_UART_BUFFER_SIZE 6144
    #define CONFIG_QUEUE_0_SIZE 6144
    #define CONFIG_QUEUE_MAX_LENGTH 200

    #define EEPROM_SIZE 1024
    #define EEPROM_OFFSET EEPROM_SIZE-EEPROM_RESERVED

    #define GPS_BAUD_RATE 9600
    #define PIN_GPS_TX 12
    #define PIN_GPS_RX 34

    #if BOARD_MODEL == BOARD_GENERIC_ESP32
      #define HAS_BLUETOOTH true
      #define HAS_CONSOLE true
      #define HAS_EEPROM true
      #define INTERFACE_COUNT 1
      const int pin_led_rx = 14;
      const int pin_led_tx = 32;
      const uint8_t interfaces[INTERFACE_COUNT] = {SX1276};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX127X
          {
              true, // DEFAULT_SPI
              false, // HAS_TCXO
              false  // DIO2_AS_RF_SWITCH
          }, 
      };
      const int8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX127X
          {
              4, // pin_ss
              -1, // pin_sclk
              -1, // pin_mosi
              -1, // pin_miso
              -1, // pin_busy
              39, // pin_dio
              36, // pin_reset
              -1, // pin_txen
              -1, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };

    #elif BOARD_MODEL == BOARD_TBEAM
      #define HAS_DISPLAY true
      #define DISPLAY OLED
      #define HAS_PMU true
      #define HAS_BLUETOOTH true
      #define HAS_CONSOLE true
      #define HAS_SD false
      #define HAS_EEPROM true
      #define I2C_SDA 21
      #define I2C_SCL 22
      #define PMU_IRQ 35
      #define INTERFACE_COUNT 1
      #define HAS_INPUT true
      const int pin_btn_usr1 = 38;
      const int pin_led_rx = 2;
      const int pin_led_tx = 4;

      #if BOARD_VARIANT == MODEL_E4 || BOARD_VARIANT == MODEL_E9
      const uint8_t interfaces[INTERFACE_COUNT] = {SX1276};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX127X
          {
              true, // DEFAULT_SPI
              false, // HAS_TCXO
              false  // DIO2_AS_RF_SWITCH
          }, 
      };
      const int8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX127X
          {
              18, // pin_ss
              -1, // pin_sclk
              -1, // pin_mosi
              -1, // pin_miso
              -1, // pin_busy
              26, // pin_dio
              23, // pin_reset
              -1, // pin_txen
              -1, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };

      #elif BOARD_VARIANT == MODEL_E3 || BOARD_VARIANT == MODEL_E8
      #define OCP_TUNED 0x38
      const uint8_t interfaces[INTERFACE_COUNT] = {SX1262};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX1262
          {
              true, // DEFAULT_SPI
              true, // HAS_TCXO
              true  // DIO2_AS_RF_SWITCH
          }, 
      };
      const int8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX1262
          {
              18, // pin_ss
              -1, // pin_sclk
              -1, // pin_mosi
              -1, // pin_miso
              32, // pin_busy
              33, // pin_dio
              23, // pin_reset
              -1, // pin_txen
              -1, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };
      #endif

    #elif BOARD_MODEL == BOARD_HUZZAH32
      #define HAS_BLUETOOTH true
      #define HAS_CONSOLE true
      #define HAS_EEPROM true
      #define INTERFACE_COUNT 1
      const int pin_led_rx = 14;
      const int pin_led_tx = 32;

      const uint8_t interfaces[INTERFACE_COUNT] = {SX1276};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX127X
          {
              true, // DEFAULT_SPI
              false, // HAS_TCXO
              false  // DIO2_AS_RF_SWITCH
          }, 
      };
      const int8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX127X
          {
               4, // pin_ss
              -1, // pin_sclk
              -1, // pin_mosi
              -1, // pin_miso
              -1, // pin_busy
              39, // pin_dio
              36, // pin_reset
              -1, // pin_txen
              -1, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };

    #elif BOARD_MODEL == BOARD_LORA32_V1_0
      #define HAS_DISPLAY true
      #define DISPLAY OLED
      #define HAS_BLUETOOTH true
      #define HAS_CONSOLE true
      #define HAS_EEPROM true
      #define INTERFACE_COUNT 1
      const int pin_cs = 18;
      const int pin_reset = 14;
      const int pin_dio = 26;
      #if defined(EXTERNAL_LEDS)
        const int pin_led_rx = 25;
        const int pin_led_tx = 2;
      #else
        const int pin_led_rx = 2;
        const int pin_led_tx = 2;
      #endif

      const uint8_t interfaces[INTERFACE_COUNT] = {SX1276};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX1276
          {
              true, // DEFAULT_SPI
              false, // HAS_TCXO
              false  // DIO2_AS_RF_SWITCH
          }, 
      };
      const int8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX1276
          {
              18, // pin_ss
              -1, // pin_sclk
              -1, // pin_mosi
              -1, // pin_miso
              -1, // pin_busy
              26, // pin_dio
              14, // pin_reset
              -1, // pin_txen
              -1, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };

    #elif BOARD_MODEL == BOARD_LORA32_V2_0
      #define HAS_DISPLAY true
      #define DISPLAY OLED
      #define HAS_BLUETOOTH true
      #define HAS_CONSOLE true
      #define HAS_EEPROM true
      #define INTERFACE_COUNT 1
      const int pin_cs = 18;
      const int pin_reset = 12;
      const int pin_dio = 26;
      #if defined(EXTERNAL_LEDS)
        const int pin_led_rx = 2;
        const int pin_led_tx = 0;
      #else
        const int pin_led_rx = 22;
        const int pin_led_tx = 22;
      #endif


      const uint8_t interfaces[INTERFACE_COUNT] = {SX1276};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX127X
          {
              true, // DEFAULT_SPI
              false, // HAS_TCXO
              false  // DIO2_AS_RF_SWITCH
          }, 
      };
      const int8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX127X
          {
              18, // pin_ss
              -1, // pin_sclk
              -1, // pin_mosi
              -1, // pin_miso
              -1, // pin_busy
              26, // pin_dio
              14, // pin_reset
              -1, // pin_txen
              -1, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };

    #elif BOARD_MODEL == BOARD_LORA32_V2_1
      #define HAS_DISPLAY true
      #define DISPLAY OLED
      #define HAS_BLUETOOTH true
      #define HAS_PMU true
      #define HAS_CONSOLE true
      #define HAS_EEPROM true
      #define INTERFACE_COUNT 1

      const uint8_t interfaces[INTERFACE_COUNT] = {SX1276};
      #if HAS_TCXO == true
        const bool interface_cfg[INTERFACE_COUNT][3] = { 
                        // SX127X
              {
                  true, // DEFAULT_SPI
                  true, // HAS_TCXO
                  false  // DIO2_AS_RF_SWITCH
              }, 
        };
      const int8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX127X
          {
              18, // pin_ss
              -1, // pin_sclk
              -1, // pin_mosi
              -1, // pin_miso
              -1, // pin_busy
              26, // pin_dio
              23, // pin_reset
              -1, // pin_txen
              -1, // pin_rxen
              33  // pin_tcxo_enable
          }
      };
      #endif
      #if defined(EXTERNAL_LEDS)
        const int pin_led_rx = 15;
        const int pin_led_tx = 4;
      #else
        const int pin_led_rx = 25;
        const int pin_led_tx = 25;
      #endif

      #if HAS_TCXO == false
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX127X
          {
              true, // DEFAULT_SPI
              false, // HAS_TCXO
              false  // DIO2_AS_RF_SWITCH
          }, 
      };

      const int8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX127X
          {
              18, // pin_ss
              -1, // pin_sclk
              -1, // pin_mosi
              -1, // pin_miso
              -1, // pin_busy
              26, // pin_dio
              23, // pin_reset
              -1, // pin_txen
              -1, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };
      #endif

    #elif BOARD_MODEL == BOARD_HELTEC32_V2
      #define HAS_DISPLAY true
      #define DISPLAY OLED
      #define HAS_BLUETOOTH true
      #define HAS_CONSOLE true
      #define HAS_EEPROM true
      #define INTERFACE_COUNT 1
      #define HAS_INPUT true
      #define HAS_SLEEP true
      #define PIN_WAKEUP GPIO_NUM_0
      #define WAKEUP_LEVEL 0

      const int pin_btn_usr1 = 0;

      #if defined(EXTERNAL_LEDS)
        const int pin_led_rx = 36;
        const int pin_led_tx = 37;
      #else
        const int pin_led_rx = 25;
        const int pin_led_tx = 25;
      #endif

      const uint8_t interfaces[INTERFACE_COUNT] = {SX1276};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX127X
          {
              true, // DEFAULT_SPI
              false, // HAS_TCXO
              false  // DIO2_AS_RF_SWITCH
          }, 
      };
      const int8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX127X
          {
              18, // pin_ss
              -1, // pin_sclk
              -1, // pin_mosi
              -1, // pin_miso
              -1, // pin_busy
              26, // pin_dio
              14, // pin_reset
              -1, // pin_txen
              -1, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };

    #elif BOARD_MODEL == BOARD_HELTEC32_V3
      #define IS_ESP32S3 true
      #define HAS_DISPLAY true
      #define DISPLAY OLED
      #define HAS_BLUETOOTH false
      #define HAS_BLE true
      #define HAS_PMU true
      #define HAS_CONSOLE true
      #define HAS_EEPROM true
      #define HAS_INPUT true
      #define HAS_SLEEP true
      #define PIN_WAKEUP GPIO_NUM_0
      #define WAKEUP_LEVEL 0
      #define INTERFACE_COUNT 1
      #define OCP_TUNED 0x38

      const int pin_btn_usr1 = 0;

      #if defined(EXTERNAL_LEDS)
        const int pin_led_rx = 13;
        const int pin_led_tx = 14;
      #else
        const int pin_led_rx = 35;
        const int pin_led_tx = 35;
      #endif

      const uint8_t interfaces[INTERFACE_COUNT] = {SX1262};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX1262
          {
              true, // DEFAULT_SPI
              true, // HAS_TCXO
              true  // DIO2_AS_RF_SWITCH
          }, 
      };
      const int8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX1262
          {
              8, // pin_ss
              9, // pin_sclk
              10, // pin_mosi
              11, // pin_miso
              13, // pin_busy
              14, // pin_dio
              12, // pin_reset
              -1, // pin_txen
              -1, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };

    #elif BOARD_MODEL == BOARD_H_W_PAPER
      // Heltec Wireless Paper. Basically the Heltec LoRa32 v3 with an eink display.
      // TODO, need to confirm that the display is a 213BN
      #define IS_ESP32S3 true
      #define HAS_DISPLAY true
      #define HAS_BLUETOOTH false
      #define HAS_BLE true
      #define HAS_PMU true
      #define HAS_CONSOLE true
      #define HAS_EEPROM true
      #define HAS_INPUT true
      #define HAS_SLEEP true
      #define DISPLAY EINK_BW
      #define DISPLAY_SCALE_OVERRIDE true
      #define DISPLAY_SCALE 1.90625
      #define DISPLAY_MODEL GxEPD2_213_BN
      #define PIN_WAKEUP GPIO_NUM_0
      #define WAKEUP_LEVEL 0
      #define INTERFACE_COUNT 1
      #define OCP_TUNED 0x38

      const int pin_btn_usr1 = 0;

      #if defined(EXTERNAL_LEDS)
        const int pin_led_rx = 13;
        const int pin_led_tx = 14;
      #else
        const int pin_led_rx = 35;
        const int pin_led_tx = 35;
      #endif

      const uint8_t interfaces[INTERFACE_COUNT] = {SX1262};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX1262
          {
              true, // DEFAULT_SPI
              true, // HAS_TCXO
              true  // DIO2_AS_RF_SWITCH
          }, 
      };
      const int8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX1262
          {
              8, // pin_ss
              9, // pin_sclk
              10, // pin_mosi
              11, // pin_miso
              13, // pin_busy
              14, // pin_dio
              12, // pin_reset
              -1, // pin_txen
              -1, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };

      const int pin_disp_cs = 4;
      const int pin_disp_dc = 5;
      const int pin_disp_reset = 6;
      const int pin_disp_busy = 7;
      const int pin_disp_en = 45;

    #elif BOARD_MODEL == BOARD_RNODE_NG_20
      #define HAS_DISPLAY true
      #define DISPLAY OLED
      #define HAS_BLUETOOTH true
      #define HAS_NP true
      #define HAS_CONSOLE true
      #define HAS_EEPROM true
      #define INTERFACE_COUNT 1
      const int pin_cs = 18;
      const int pin_reset = 12;
      const int pin_dio = 26;
      const int pin_np = 4;
      #if HAS_NP == false
        #if defined(EXTERNAL_LEDS)
          const int pin_led_rx = 2;
          const int pin_led_tx = 0;
        #else
          const int pin_led_rx = 22;
          const int pin_led_tx = 22;
        #endif
      #endif


      const uint8_t interfaces[INTERFACE_COUNT] = {SX1276};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX1276
          {
              false, // DEFAULT_SPI
              true, // HAS_TCXO
              true  // DIO2_AS_RF_SWITCH
          }, 
      };
      const uint8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX1276
          {
              8, // pin_ss
              9, // pin_sclk
              10, // pin_mosi
              11, // pin_miso
              13, // pin_busy
              14, // pin_dio
              12, // pin_reset
              -1, // pin_txen
              -1, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };

    #elif BOARD_MODEL == BOARD_RNODE_NG_21
      #define HAS_DISPLAY true
      #define DISPLAY OLED
      #define HAS_BLUETOOTH true
      #define HAS_CONSOLE true
      #define HAS_PMU true
      #define HAS_NP true
      #define HAS_SD false
      #define HAS_EEPROM true
      #define INTERFACE_COUNT 1
      const int pin_np = 12;
      const int pin_dac = 25;
      const int pin_adc = 34;
      const int SD_MISO = 2;
      const int SD_MOSI = 15;
      const int SD_CLK = 14;
      const int SD_CS = 13;
      #if HAS_NP == false
        #if defined(EXTERNAL_LEDS)
          const int pin_led_rx = 12;
          const int pin_led_tx = 4;
        #else
          const int pin_led_rx = 25;
          const int pin_led_tx = 25;
        #endif
      #endif

      const uint8_t interfaces[INTERFACE_COUNT] = {SX1276};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX127X
          {
              true, // DEFAULT_SPI
              false, // HAS_TCXO
              false  // DIO2_AS_RF_SWITCH
          }, 
      };
      const uint8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX127X
          {
              18, // pin_ss
              -1, // pin_sclk
              -1, // pin_mosi
              -1, // pin_miso
              -1, // pin_busy
              26, // pin_dio
              23, // pin_reset
              -1, // pin_txen
              -1, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };
   
    #elif BOARD_MODEL == BOARD_T3S3
      #define IS_ESP32S3 true
      #define HAS_DISPLAY true
      #define DISPLAY OLED
      #define HAS_CONSOLE true
      #define HAS_BLUETOOTH false
      #define HAS_BLE true
      #define HAS_PMU true
      #define HAS_NP false
      #define HAS_SD false
      #define HAS_EEPROM true

      #define HAS_INPUT true
      #define HAS_SLEEP true
      #define PIN_WAKEUP GPIO_NUM_0
      #define WAKEUP_LEVEL 0

      #define INTERFACE_COUNT 1
      const int pin_btn_usr1 = 0;

      #if BOARD_VARIANT == MODEL_A1 || BOARD_VARIANT == MODEL_A6
      const uint8_t interfaces[INTERFACE_COUNT] = {SX1262};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX1262
          {
              false, // DEFAULT_SPI
              true, // HAS_TCXO
              true  // DIO2_AS_RF_SWITCH
          }, 
      };
      const uint8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX1262
          {
               7, // pin_ss
               5, // pin_sclk
               6, // pin_mosi
               3, // pin_miso
              34, // pin_busy
              33, // pin_dio
               8, // pin_reset
              -1, // pin_txen
              -1, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };
      #elif BOARD_VARIANT == MODEL_A5 || BOARD_VARIANT == MODEL_AA
      const uint8_t interfaces[INTERFACE_COUNT] = {SX1278};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX1278
          {
              false, // DEFAULT_SPI
              false, // HAS_TCXO
              false  // DIO2_AS_RF_SWITCH
          }, 
      };
      const uint8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX1278
          {
               7, // pin_ss
               5, // pin_sclk
               6, // pin_mosi
               3, // pin_miso
              34, // pin_busy
              33, // pin_dio
               8, // pin_reset
              -1, // pin_txen
              -1, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };
      #elif BOARD_VARIANT == MODEL_AC // SX1280 with PA 
      #define CONFIG_QUEUE_0_SIZE 6144
      const uint8_t interfaces[INTERFACE_COUNT] = {SX1280};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX1280
          {
              false, // DEFAULT_SPI
              false, // HAS_TCXO
              false  // DIO2_AS_RF_SWITCH
          }, 
      };
      const uint8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX1280
          {
               7, // pin_ss
               5, // pin_sclk
               6, // pin_mosi
               3, // pin_miso
              36, // pin_busy
              9, // pin_dio
               8, // pin_reset
              10, // pin_txen
              21, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };
      #endif
      
      const int pin_np = 38;
      const int pin_dac = 25;
      const int pin_adc = 1;

      const int SD_MISO = 2;
      const int SD_MOSI = 11;
      const int SD_CLK = 14;
      const int SD_CS = 13;

      #if HAS_NP == false
        #if defined(EXTERNAL_LEDS)
          const int pin_led_rx = 37;
          const int pin_led_tx = 37;
        #else
          const int pin_led_rx = 37;
          const int pin_led_tx = 37;
        #endif
      #endif

    #elif BOARD_MODEL == BOARD_TDECK
      #define IS_ESP32S3 true
      #define HAS_DISPLAY false
      #define DISPLAY TFT // to be tested...
      #define HAS_CONSOLE false
      #define HAS_BLUETOOTH false
      #define HAS_BLE true
      #define HAS_PMU true
      #define HAS_NP false
      #define HAS_SD false
      #define HAS_EEPROM true

      #define HAS_INPUT true
      #define HAS_SLEEP true
      #define PIN_WAKEUP GPIO_NUM_0
      #define WAKEUP_LEVEL 0

      const int pin_poweron = 10;
      const int pin_btn_usr1 = 0;
      
      const int SD_MISO = 38;
      const int SD_MOSI = 41;
      const int SD_CLK = 40;
      const int SD_CS = 39;

      const int DISPLAY_DC = 11;
      const int DISPLAY_CS = 12;
      const int DISPLAY_MISO = 38;
      const int DISPLAY_MOSI = 41;
      const int DISPLAY_CLK = 40;
      const int DISPLAY_BL_PIN = 42;

      #define INTERFACE_COUNT 1

      const uint8_t interfaces[INTERFACE_COUNT] = {SX1262};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX1262
          {
              false, // DEFAULT_SPI
              true, // HAS_TCXO
              true  // DIO2_AS_RF_SWITCH
          }, 
      };
      const uint8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX1262
          {
               9, // pin_ss
              40, // pin_sclk
              41, // pin_mosi
              38, // pin_miso
              13, // pin_busy
              45, // pin_dio
              17, // pin_reset
              -1, // pin_txen
              -1, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };

      #if HAS_NP == false
        #if defined(EXTERNAL_LEDS)
          const int pin_led_rx = 43;
          const int pin_led_tx = 43;
        #else
          const int pin_led_rx = 43;
          const int pin_led_tx = 43;
        #endif
      #endif

    #elif BOARD_MODEL == BOARD_TBEAM_S_V1
      #define IS_ESP32S3 true
      #define OCP_TUNED 0x38

      #define HAS_DISPLAY true
      #define DISPLAY MONO_OLED
      #define HAS_CONSOLE true
      #define HAS_BLUETOOTH false
      #define HAS_BLE true
      #define HAS_PMU true
      #define HAS_NP false
      #define HAS_SD false
      #define HAS_EEPROM true

      #define HAS_INPUT true
      #define HAS_SLEEP false
      
      #define PMU_IRQ 40
      #define I2C_SCL 41
      #define I2C_SDA 42

      const int pin_btn_usr1 = 0;
      
      const int SD_MISO = 37;
      const int SD_MOSI = 35;
      const int SD_CLK = 36;
      const int SD_CS = 47;

      const int IMU_CS = 34;

      #define INTERFACE_COUNT 1

      const uint8_t interfaces[INTERFACE_COUNT] = {SX1262};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX1262
          {
              false, // DEFAULT_SPI
              true, // HAS_TCXO
              true  // DIO2_AS_RF_SWITCH
          }, 
      };
      const uint8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX1262
          {
              10, // pin_ss
              12, // pin_sclk
              11, // pin_mosi
              13, // pin_miso
               4, // pin_busy
               1, // pin_dio
               5, // pin_reset
              -1, // pin_txen
              -1, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };

      #if HAS_NP == false
        #if defined(EXTERNAL_LEDS)
          const int pin_led_rx = 43;
          const int pin_led_tx = 43;
        #else
          const int pin_led_rx = 43;
          const int pin_led_tx = 43;
        #endif
      #endif

    #elif BOARD_MODEL == BOARD_E22_ESP32
      #define HAS_DISPLAY true
      #define DISPLAY OLED
      // currently there is only support for using one Bluetooth type,
      // Bluetooth has been chosen over BLE as it is less experimental
      #define HAS_BLUETOOTH true
      //#define HAS_BLE true 
      #define HAS_CONSOLE true
      #define HAS_SD false
      #define HAS_EEPROM true
      #define I2C_SDA 21
      #define I2C_SCL 22
      #define INTERFACE_COUNT 1
      const int pin_led_rx = 2;
      const int pin_led_tx = 4;

      const uint8_t interfaces[INTERFACE_COUNT] = {SX1262};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX1262
          {
              true, // DEFAULT_SPI
              true, // HAS_TCXO
              true  // DIO2_AS_RF_SWITCH
          }, 
      };
      const int8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX1262
          {
              18, // pin_ss
              5, // pin_sclk
              27, // pin_mosi
              19, // pin_miso
              32, // pin_busy
              33, // pin_dio
              23, // pin_reset
              -1, // pin_txen
              14, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };

    // Board definition added by Mees Electronics
      #elif BOARD_MODEL == BOARD_MEES_ESP32_S3
      #define IS_ESP32S3 true
      #define HAS_DISPLAY false
      #define HAS_BLUETOOTH false
      #define HAS_BLE true
      #define HAS_PMU true
      #define HAS_CONSOLE true
      #define HAS_EEPROM true
      #define INTERFACE_COUNT 1

      #define HAS_NP true
      const int pin_np = 21;// 21 on Waveshare ESP32 S3 Pico, 48 on ESP32-S3-DevKitC-1
      #if HAS_NP == false
        #if defined(EXTERNAL_LEDS)
          const int pin_led_rx = 18;
          const int pin_led_tx = 33;
        #else
          const int pin_led_rx = 21;
          const int pin_led_tx = 21;
        #endif
      #endif

      #if BOARD_VARIANT == MODEL_F1
      const uint8_t interfaces[INTERFACE_COUNT] = {SX1278};
      const bool interface_cfg[INTERFACE_COUNT][3] = {
                    // SX1278
          {
              false, // DEFAULT_SPI
              false, // HAS_TCXO
              false  // DIO2_AS_RF_SWITCH
          },
      };
      const int8_t interface_pins[INTERFACE_COUNT][10] = {
                  // SX1278
          {
               10, // pin_ss
               12, // pin_sclk
               11, // pin_mosi
               13, // pin_miso
               -1, // pin_busy
               15, // pin_dio
               14, // pin_reset
               -1, // pin_txen
               -1, // pin_rxen
               -1  // pin_tcxo_enable
          }
      };
      #elif BOARD_VARIANT == MODEL_F2
      const uint8_t interfaces[INTERFACE_COUNT] = {SX1262};
      const bool interface_cfg[INTERFACE_COUNT][3] = {
                    // SX1262
          {
              false, // DEFAULT_SPI
              true, // HAS_TCXO
              true  // DIO2_AS_RF_SWITCH
          },
      };
      const int8_t interface_pins[INTERFACE_COUNT][10] = {
                  // SX1262
          {
              10, // pin_ss
              12, // pin_sclk
              11, // pin_mosi
              13, // pin_miso
              16, // pin_busy
              15, // pin_dio
              14, // pin_reset
              -1, // pin_txen
              17, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };
      #endif

    #else
      #error An unsupported ESP32 board was selected. Cannot compile RNode firmware.
    #endif
  
  #elif MCU_VARIANT == MCU_NRF52
    #define CONFIG_UART_BUFFER_SIZE 6144
    #define CONFIG_QUEUE_0_SIZE 6144
    #define CONFIG_QUEUE_MAX_LENGTH 200

     #if BOARD_MODEL == BOARD_TECHO
      #define _PINNUM(port, pin) ((port) * 32 + (pin))
      #define HAS_INPUT true
      #define EEPROM_SIZE 296
      #define EEPROM_OFFSET EEPROM_SIZE-EEPROM_RESERVED
      #define HAS_EEPROM false
      #define HAS_SD false
      #define HAS_DISPLAY true
      #define DISPLAY EINK_BW
      #define DISPLAY_MODEL GxEPD2_154_D67
      #define BLE_MANUFACTURER "LilyGO"
      #define BLE_MODEL "T-Echo"
      #define HAS_CONSOLE false
      #define HAS_BLE true
      #define HAS_PMU true
      #define CONFIG_UART_BUFFER_SIZE 32768
      #define CONFIG_QUEUE_0_SIZE 6144
      #define CONFIG_QUEUE_MAX_LENGTH 200
      #define INTERFACE_COUNT 1
      //#define I2C_SDA 26
      //#define I2C_SCL 27
      #define CONFIG_QUEUE_1_SIZE 40000
      #define HAS_BACKLIGHT true
      // first interface in list is the primary
      const uint8_t interfaces[INTERFACE_COUNT] = {SX1262};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                  // SX1262
          {
              false, // DEFAULT_SPI
              true, // HAS_TCXO
              true  // DIO2_AS_RF_SWITCH
          }
      };

      const int8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX1262
          {
              24, // pin_ss 
              19, // pin_sclk
              22, // pin_mosi
              23, // pin_miso
              17, // pin_busy
              20, // pin_dio
              25, // pin_reset
              -1, // pin_txen
              -1, // pin_rxen
              21  // pin_tcxo_enable
          }
      };

      const int pin_disp_cs = 30;
      const int pin_disp_dc = 28;
      const int pin_disp_reset = 2;
      const int pin_disp_busy = 3;
      const int pin_disp_en = 43;
      const int pin_disp_sck = 31;
      const int pin_disp_mosi = 29;
      const int pin_disp_miso = -1;

      //#define GPS_BAUD_RATE 115200
      //#define PIN_GPS_TX 41
      //#define PIN_GPS_RX 40

      const int pin_btn_usr1 = _PINNUM(1, 10);
      const int pin_btn_touch = _PINNUM(0, 11);

      const int pin_backlight = 43;

      #define LED_ON LOW
      #define LED_OFF HIGH
      #define PIN_LED_GREEN _PINNUM(1, 1)
      #define PIN_LED_RED   _PINNUM(1, 3)
      #define PIN_LED_BLUE  _PINNUM(0, 14)
      #define PIN_VEXT_EN _PINNUM(0, 12)
      const int pin_led_rx = PIN_LED_BLUE;
      const int pin_led_tx = PIN_LED_RED;

    #elif BOARD_MODEL == BOARD_RAK4631 || BOARD_MODEL == BOARD_OPENCOM_XL
      #define HAS_EEPROM false
      #define HAS_DISPLAY false 
      #define HAS_BLUETOOTH false
      #define HAS_BLE true
      #define HAS_CONSOLE false
      #define HAS_PMU true
      #define HAS_NP false
      #define HAS_SD false
      #define CONFIG_UART_BUFFER_SIZE 6144
      #define CONFIG_QUEUE_0_SIZE 6144
      #define HAS_INPUT true
      #define CONFIG_QUEUE_MAX_LENGTH 200
      #define EEPROM_SIZE 296
      #define EEPROM_OFFSET EEPROM_SIZE-EEPROM_RESERVED
      #define BLE_MANUFACTURER "RAK Wireless"
      #define BLE_MODEL "RAK4640"

      #if BOARD_VARIANT == MODEL_11 || BOARD_VARIANT == MODEL_12
      #define INTERFACE_COUNT 1

      // first interface in list is the primary
      const uint8_t interfaces[INTERFACE_COUNT] = {SX1262};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX1262
          {
              false, // DEFAULT_SPI
              true, // HAS_TCXO
              true  // DIO2_AS_RF_SWITCH
          }
      };
      const int8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX1262
          {
              42, // pin_ss
              43, // pin_sclk
              44, // pin_mosi
              45, // pin_miso
              46, // pin_busy
              47, // pin_dio
              38, // pin_reset
              -1, // pin_txen
              37, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };
      #elif BOARD_VARIANT == MODEL_13 || BOARD_VARIANT == MODEL_14 || BOARD_VARIANT == MODEL_21
      #define HAS_DISPLAY true
      #define DISPLAY EINK_BW
      #define DISPLAY_SCALE_OVERRIDE true
      #define DISPLAY_SCALE 1.90625
      #define DISPLAY_MODEL GxEPD2_213_BN
      #define INTERFACE_COUNT 2

      #define CONFIG_QUEUE_1_SIZE 40000
      #define CONFIG_UART_BUFFER_SIZE 40000 // \todo, does it have to be this big?

      // first interface in list is the primary
      const uint8_t interfaces[INTERFACE_COUNT] = {SX1262, SX1280};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX1262
          {
              false, // DEFAULT_SPI
              true, // HAS_TCXO
              true  // DIO2_AS_RF_SWITCH
          }, 
                    // SX1280
          {
              true, // DEFAULT_SPI
              false,// HAS_TCXO
              false // DIO2_AS_RF_SWITCH
          } 
      };
      const int8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX1262
          {
              42, // pin_ss
              43, // pin_sclk
              44, // pin_mosi
              45, // pin_miso
              46, // pin_busy
              47, // pin_dio
              38, // pin_reset
              -1, // pin_txen
              37, // pin_rxen
              -1  // pin_tcxo_enable
          },
                  // SX1280
          {
              24, // pin_ss
               3, // pin_sclk
              30, // pin_mosi
              29, // pin_miso
              25, // pin_busy
              15, // pin_dio
              16, // pin_reset
              20, // pin_txen
              19, // pin_rxen
              -1  // pin_tcxo_enable
          } 
      };

      #endif


      const int pin_disp_cs = SS;
      const int pin_disp_dc = WB_IO1;
      const int pin_disp_reset = -1;
      const int pin_disp_busy = WB_IO4;
      const int pin_disp_en = WB_IO2;

      const int pin_btn_usr1 = 9;
      const int pin_led_rx = LED_BLUE;
      const int pin_led_tx = LED_GREEN;

    #elif BOARD_MODEL == BOARD_HELTEC_T114
      #define HAS_EEPROM false
      #define HAS_DISPLAY true
      #define DISPLAY TFT
      #define DISPLAY_SCALE_OVERRIDE true
      #define DISPLAY_SCALE 2
      #define HAS_BLUETOOTH false
      #define HAS_BLE true
      #define HAS_CONSOLE false
      #define HAS_PMU true
      #define HAS_NP true
      #define HAS_SD false
      #define HAS_TCXO true
      #define HAS_BUSY true
      #define HAS_INPUT true
      #define HAS_SLEEP true
      #define CONFIG_UART_BUFFER_SIZE 6144
      #define CONFIG_QUEUE_SIZE 6144
      #define CONFIG_QUEUE_MAX_LENGTH 200
      #define EEPROM_SIZE 296
      #define EEPROM_OFFSET EEPROM_SIZE-EEPROM_RESERVED
      #define BLE_MANUFACTURER "Heltec"
      #define BLE_MODEL "T114"

      #define PIN_T114_ADC_EN 6
      #define PIN_VEXT_EN 21

      // LED
      #define LED_T114_GREEN 3
      #define PIN_T114_LED 14
      #define NP_M 1
      const int pin_np = PIN_T114_LED;


      // pins for buttons on Heltec T114
      const int pin_btn_usr1 = 42;

      const int pin_led_rx = 35;
      const int pin_led_tx = 35;

      #define PIN_T114_TFT_BLGT 15
      #define PIN_T114_TFT_EN 3

      // pins for ST7789 display on Heltec T114
      const int DISPLAY_DC = 12;
      const int DISPLAY_CS = 11;
      const int DISPLAY_MISO = 11; // not connected
      const int DISPLAY_MOSI = 9;
      const int DISPLAY_CLK = 8;
      const int DISPLAY_BL_PIN = PIN_T114_TFT_BLGT;
      const int DISPLAY_RST = 2;

      #define INTERFACE_COUNT 1

      const uint8_t interfaces[INTERFACE_COUNT] = {SX1262};
      const bool interface_cfg[INTERFACE_COUNT][3] = { 
                    // SX1262
          {
              false, // DEFAULT_SPI
              true, // HAS_TCXO
              true  // DIO2_AS_RF_SWITCH
          }
      };
      const int8_t interface_pins[INTERFACE_COUNT][10] = { 
                  // SX1262
          {
              24, // pin_ss
              19, // pin_sclk
              22, // pin_mosi
              23, // pin_miso
              17, // pin_busy
              20, // pin_dio
              25, // pin_reset
              -1, // pin_txen
              -1, // pin_rxen
              -1  // pin_tcxo_enable
          }
      };

      #if BOARD_VARIANT == MODEL_CB
      #define HAS_GPS true
      #define GPS_BAUD_RATE 9600
      #define PIN_GPS_RX 37
      #define PIN_GPS_TX 39 
      #endif
    #else
      #error An unsupported nRF board was selected. Cannot compile RNode firmware.
    #endif

  #endif

  #ifndef DISPLAY_SCALE
    #define DISPLAY_SCALE 1
  #endif

  #ifndef HAS_BUSY
    const int pin_busy = -1;
  #endif

  #ifndef LED_ON
    #define LED_ON HIGH
  #endif
  
  #ifndef LED_OFF
    #define LED_OFF LOW
  #endif

  // Default OCP value if not specified
  // in board configuration
  #ifndef OCP_TUNED
    #define OCP_TUNED 0x38
  #endif

  #ifndef NP_M
    #define NP_M 0.15
  #endif
#endif
