114 lines
3.9 KiB
C
114 lines
3.9 KiB
C
/*
|
|
* 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, 2, 0x80, 0x64, // swreset
|
|
0xB9, 5, 0x83, 0xFF, 0x83, 0x57, 0xFF,
|
|
0xB3, 5, 0x04, 0x80, 0x00, 0x06, 0x06,
|
|
0xB6, 2, 0x01, 0x25,
|
|
0xCC, 2, 0x01, 0x05,
|
|
0xB1, 7,
|
|
0x06, 0x00, 0x15, 0x1C, 0x1C, 0x83, 0xAA,
|
|
0xC0, 7,
|
|
0x06, 0x50, 0x50, 0x01, 0x3C, 0x1E, 0x08,
|
|
0xB4, 8,
|
|
0x07, 0x02, 0x40, 0x00, 0x2A, 0x2A, 0x0D, 0x78,
|
|
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, 0xC0,
|
|
0x35, 1, 0x00,
|
|
0x44, 2, 0x00, 0x02,
|
|
0x11, 0x80 + 150/5, // Exit Sleep, then delay 150 ms
|
|
0x29, 0x80 + 50/5
|
|
};
|
|
|
|
void board_init(void) {
|
|
busio_spi_obj_t* spi = &displays[0].fourwire_bus.inline_bus;
|
|
common_hal_busio_spi_construct(spi, &pin_PA13, &pin_PA12, &pin_PA14);
|
|
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_PA00, // TFT_RST Reset
|
|
24000000);
|
|
|
|
displayio_display_obj_t* display = &displays[0].display;
|
|
display->base.type = &displayio_display_type;
|
|
common_hal_displayio_display_construct(display,
|
|
bus,
|
|
320, // Width
|
|
480, // Height
|
|
0, // column start
|
|
0, // row start
|
|
0, // rotation
|
|
16, // Color depth
|
|
false, // grayscale
|
|
false, // pixels_in_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
|
|
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
|
|
}
|
|
|
|
bool board_requests_safe_mode(void) {
|
|
return false;
|
|
}
|
|
|
|
void reset_board(void) {
|
|
}
|