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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2019 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 "tick.h"
#define DELAY 0x80
uint8_t display_init_sequence[] = {
0x01, DELAY, 100/5, // Soft reset, then delay 10 ms
0xB9, 3, 0xFF, 0x83, 0x57, // Extension command set
0xFF, DELAY, 500/5,
0xB3, 4, 0x80, 0x00, 0x06, 0x06, // 0x80 enables SDO pin (0x00 disables)
0xB6, 2, 0x01, 0x25, // -1.52V
0xB0, 1, 0x68, // Normal mode 70Hz, Idle mode 55 Hz
0xCC, 1, 0x05,
0xB1, 6,
0x00, // Not deep standby
0x15, // BT
0x1C, // VSPR
0x1C, // VSNR
0x83, // AP
0xAA, // FS
0xC0, 6,
0x50, // OPON normal
0x50, // OPON idle
0x01, // STBA
0x3C, // STBA
0x1E, // STBA
0x08, // GEN
0xB4, 7,
0x02, // NW 0x02
0x40, // RTN
0x00, // DIV
0x2A, // DUM
0x2A, // DUM
0x0D, // GDON
0x78, // GDOFF
0xE0, 34,
0x02, 0x0A, 0x11, 0x1d, 0x23, 0x35, 0x41, 0x4b, 0x4b,
0x42, 0x3A, 0x27, 0x1B, 0x08, 0x09, 0x03, 0x02, 0x0A,
0x11, 0x1d, 0x23, 0x35, 0x41, 0x4b, 0x4b, 0x42, 0x3A,
0x27, 0x1B, 0x08, 0x09, 0x03, 0x00, 0x01,
0x3a, 1, 0x55,
0x36, 1, 0x60,
0x11, DELAY, 150/5, // Exit Sleep, then delay 150 ms
0x29, DELAY, 50/5
};
void board_init(void) {
displayio_parallelbus_obj_t* bus = &displays[0].parallel_bus;
bus->base.type = &displayio_parallelbus_type;
common_hal_displayio_parallelbus_construct(bus,
&pin_PA16, // Data0
&pin_PB05, // Command or data
&pin_PB06, // Chip select
&pin_PB09, // Write
&pin_PB04, // Read
&pin_PA00); // Reset
displayio_display_obj_t* display = &displays[0].display;
display->base.type = &displayio_display_type;
common_hal_displayio_display_construct(display,
bus,
480, // Width
320, // Height
0, // column start
0, // row start
0, // rotation
16, // Color depth
false, // grayscale
false, // pixels_i|n_byte_share_row (unused for depths > 8)
1, // bytes per cell. Only valid for depths < 8
false, // reverse_pixels_in_byte. Only valid for depths < 8
true, // reverse_pixels_in_word
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_PB31, // 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
true); // backlight_on_high
}
bool board_requests_safe_mode(void) {
return false;
}
void reset_board(void) {
}