104 lines
3.8 KiB
C
104 lines
3.8 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2020 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 "supervisor/board.h"
|
|
#include "mpconfigboard.h"
|
|
|
|
#include "shared-bindings/busio/SPI.h"
|
|
#include "shared-bindings/displayio/FourWire.h"
|
|
#include "shared-bindings/microcontroller/Pin.h"
|
|
#include "shared-module/displayio/__init__.h"
|
|
#include "shared-module/displayio/mipi_constants.h"
|
|
#include "shared-bindings/board/__init__.h"
|
|
|
|
#include "esp_log.h"
|
|
|
|
displayio_fourwire_obj_t board_display_obj;
|
|
|
|
#define DELAY 0x80
|
|
|
|
uint8_t display_init_sequence[] = {
|
|
0x01, 0 | DELAY, 120, // SWRESET
|
|
0x11, 0 | DELAY, 5, // SLPOUT
|
|
0x36, 1, 0b10100000, // _MADCTL for rotation 0
|
|
0x3a, 1, 0x55, // COLMOD - 16bit color
|
|
0x21, 0, // _INVON
|
|
0x13, 0, // _NORON
|
|
0x29, 0 | DELAY, 5, // _DISPON
|
|
};
|
|
|
|
void board_init(void) {
|
|
busio_spi_obj_t *spi = common_hal_board_create_spi(0);
|
|
displayio_fourwire_obj_t *bus = &allocate_display_bus()->fourwire_bus;
|
|
bus->base.type = &displayio_fourwire_type;
|
|
common_hal_displayio_fourwire_construct(bus,
|
|
spi,
|
|
&pin_GPIO40, // TFT_DC Command or data
|
|
&pin_GPIO39, // TFT_CS Chip select
|
|
&pin_GPIO38, // TFT_RESET Reset
|
|
40000000, // Baudrate
|
|
0, // Polarity
|
|
0); // Phase
|
|
|
|
displayio_display_obj_t *display = &allocate_display()->display;
|
|
display->base.type = &displayio_display_type;
|
|
common_hal_displayio_display_construct(
|
|
display,
|
|
bus,
|
|
240, // Width (after rotation)
|
|
240, // Height (after rotation)
|
|
80, // column start
|
|
0, // row start
|
|
0, // rotation
|
|
16, // Color depth
|
|
false, // Grayscale
|
|
false, // Pixels in a byte share a 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
|
|
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
|
|
display_init_sequence,
|
|
sizeof(display_init_sequence),
|
|
NULL, // backlight pin
|
|
NO_BRIGHTNESS_COMMAND,
|
|
1.0f, // brightness
|
|
false, // single_byte_bounds
|
|
false, // data_as_commands
|
|
true, // auto_refresh
|
|
60, // native_frames_per_second
|
|
true, // backlight_on_high
|
|
false, // not SH1107
|
|
50000); // backlight pwm frequency
|
|
}
|
|
|
|
void board_deinit(void) {
|
|
common_hal_displayio_release_displays();
|
|
}
|
|
|
|
// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.
|