text: /*
   * This file is part of the MicroPython project, http://micropython.org/
   *
   * The MIT License (MIT)
   *
   * Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   */
  
  #include "boards/board.h"
  #include "mpconfigboard.h"
  #include "hal/include/hal_gpio.h"
  #include "shared-bindings/busio/SPI.h"
  #include "shared-bindings/displayio/FourWire.h"
  #include "shared-module/displayio/__init__.h"
  #include "shared-module/displayio/mipi_constants.h"
  #include "supervisor/shared/board.h"
  #include "tick.h"
  
  displayio_fourwire_obj_t board_display_obj;
  
  #define DELAY 0x80
  
  uint8_t display_init_sequence[] = {
      0x01, 0 | DELAY, 150, // SWRESET
      0x11, 0 | DELAY, 255, // SLPOUT
      0x36, 1, 0x08,        // _MADCTL bottom to top refresh in vsync aligned order.
      0x3a, 1, 0x55,        // COLMOD - 16bit color
      0x21, 0 | DELAY, 10,  // _INVON
      0x13, 0 | DELAY, 10,  // _NORON
      0x29, 0 | DELAY, 255, // _DISPON
  };
  
  void board_init(void) {
      busio_spi_obj_t* spi = &displays[0].fourwire_bus.inline_bus;
      common_hal_busio_spi_construct(spi, &pin_PB13, &pin_PB15, NULL);
      common_hal_busio_spi_never_reset(spi);
  
      displayio_fourwire_obj_t* bus = &displays[0].fourwire_bus;
      bus->base.type = &displayio_fourwire_type;
      common_hal_displayio_fourwire_construct(bus,
          spi,
          &pin_PB05, // TFT_DC Command or data
          &pin_PB06, // TFT_CS Chip select
          &pin_PB07, // TFT_RST Reset
          60000000);
  
      displayio_display_obj_t* display = &displays[0].display;
      display->base.type = &displayio_display_type;
      common_hal_displayio_display_construct(display,
          bus,
          320, // Width (after rotation)
          240, // Height (after rotation)
          0, // column start
          0, // row start
          90, // rotation
          16, // Color depth
          false, // grayscale
          false, // pixels in byte share row. Only used for depth < 8
          1, // bytes per cell. Only valid for depths < 8
          false, // reverse_pixels_in_byte. Only valid for depths < 8
          MIPI_COMMAND_SET_COLUMN_ADDRESS, // Set column command
          MIPI_COMMAND_SET_PAGE_ADDRESS, // Set row command
          MIPI_COMMAND_WRITE_MEMORY_START, // Write memory command
          0x37, // set vertical scroll command
          display_init_sequence,
          sizeof(display_init_sequence),
          &pin_PA01,  // backlight pin
          NO_BRIGHTNESS_COMMAND,
          1.0f, // brightness (ignored)
          true, // auto_brightness
          false, // single_byte_bounds
          false, // data_as_commands
          true, // auto_refresh
          60); // native_frames_per_second
  }
  
  bool board_requests_safe_mode(void) {
      return false;
  }
  
  void reset_board(void) {
      board_reset_user_neopixels();
  }
  