122 lines
4.5 KiB
C
122 lines
4.5 KiB
C
/*
|
|
* 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 "shared-bindings/board/__init__.h"
|
|
#include "shared-bindings/displayio/FourWire.h"
|
|
#include "shared-module/displayio/__init__.h"
|
|
#include "shared-module/displayio/mipi_constants.h"
|
|
#include "shared-bindings/busio/SPI.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
|
|
0xb1, 3, 0x01, 0x2C, 0x2D, // _FRMCTR1
|
|
0xb2, 3, 0x01, 0x2C, 0x2D, //
|
|
0xb3, 6, 0x01, 0x2C, 0x2D, 0x01, 0x2C, 0x2D,
|
|
0xb4, 1, 0x07, // _INVCTR line inversion
|
|
0xc0, 3, 0xa2, 0x02, 0x84, // _PWCTR1 GVDD = 4.7V, 1.0uA
|
|
0xc1, 1, 0xc5, // _PWCTR2 VGH=14.7V, VGL=-7.35V
|
|
0xc2, 2, 0x0a, 0x00, // _PWCTR3 Opamp current small, Boost frequency
|
|
0xc3, 2, 0x8a, 0x2a,
|
|
0xc4, 2, 0x8a, 0xee,
|
|
0xc5, 1, 0x0e, // _VMCTR1 VCOMH = 4V, VOML = -1.1V
|
|
0x2a, 0, // _INVOFF
|
|
0x36, 1, 0x18, // _MADCTL bottom to top refresh
|
|
// 1 clk cycle nonoverlap, 2 cycle gate rise, 3 sycle osc equalie,
|
|
// fix on VTL
|
|
0x3a, 1, 0x05, // COLMOD - 16bit color
|
|
0xe0, 16, 0x02, 0x1c, 0x07, 0x12, // _GMCTRP1 Gamma
|
|
0x37, 0x32, 0x29, 0x2d,
|
|
0x29, 0x25, 0x2B, 0x39,
|
|
0x00, 0x01, 0x03, 0x10,
|
|
0xe1, 16, 0x03, 0x1d, 0x07, 0x06, // _GMCTRN1
|
|
0x2E, 0x2C, 0x29, 0x2D,
|
|
0x2E, 0x2E, 0x37, 0x3F,
|
|
0x00, 0x00, 0x02, 0x10,
|
|
0x2a, 3, 0x02, 0x00, 0x81, // _CASET XSTART = 2, XEND = 129
|
|
0x2b, 3, 0x02, 0x00, 0x81, // _RASET XSTART = 2, XEND = 129
|
|
0x13, 0 | DELAY, 10, // _NORON
|
|
0x29, 0 | DELAY, 100, // _DISPON
|
|
};
|
|
|
|
void board_init(void) {
|
|
displayio_fourwire_obj_t* bus = &displays[0].fourwire_bus;
|
|
bus->base.type = &displayio_fourwire_type;
|
|
busio_spi_obj_t *spi = common_hal_board_create_spi();
|
|
common_hal_displayio_fourwire_construct(bus,
|
|
spi,
|
|
&pin_PA28, // Command or data
|
|
&pin_PA01, // Chip select
|
|
&pin_PA27, // Reset
|
|
12000000, // Baudrate
|
|
0, // Polarity
|
|
0); // Phase
|
|
|
|
displayio_display_obj_t* display = &displays[0].display;
|
|
display->base.type = &displayio_display_type;
|
|
common_hal_displayio_display_construct(display,
|
|
bus,
|
|
128, // Width
|
|
128, // Height
|
|
2, // column start
|
|
1, // 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
|
|
0x37, // set vertical scroll command
|
|
display_init_sequence,
|
|
sizeof(display_init_sequence),
|
|
&pin_PA00,
|
|
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) {
|
|
}
|