33dcdd7c03
The backlight enable is active low on our board so the driver doesn't like it. Toggling to GPIO manually for now. As fixed the improper SPI bus pins definitions and it works! Signed-off-by: Michael Welling <mwelling@ieee.org>
100 lines
3.7 KiB
C
100 lines
3.7 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "boards/board.h"
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#include "mpconfigboard.h"
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#include "shared-bindings/busio/SPI.h"
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#include "shared-bindings/displayio/FourWire.h"
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#include "shared-module/displayio/__init__.h"
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#include "shared-module/displayio/mipi_constants.h"
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#include "tick.h"
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displayio_fourwire_obj_t board_display_obj;
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#define DELAY 0x80
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uint8_t display_init_sequence[] = {
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0x01, 0 | DELAY, 150, // SWRESET
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0x11, 0 | DELAY, 255, // SLPOUT
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0x36, 1, 0x00, // _MADCTL bottom to top refresh in vsync aligned order.
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0x3a, 1, 0x55, // COLMOD - 16bit color
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0x21, 0 | DELAY, 10, // _INVON
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0x13, 0 | DELAY, 10, // _NORON
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0x29, 0 | DELAY, 255, // _DISPON
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};
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void board_init(void) {
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busio_spi_obj_t* spi = &displays[0].fourwire_bus.inline_bus;
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common_hal_busio_spi_construct(spi, &pin_P0_11, &pin_P0_12, mp_const_none);
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common_hal_busio_spi_never_reset(spi);
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displayio_fourwire_obj_t* bus = &displays[0].fourwire_bus;
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bus->base.type = &displayio_fourwire_type;
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common_hal_displayio_fourwire_construct(bus,
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spi,
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&pin_P0_08, // TFT_DC Command or data
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&pin_P0_14, // TFT_CS Chip select
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&pin_P0_13, // TFT_RST Reset
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60000000);
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displayio_display_obj_t* display = &displays[0].display;
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display->base.type = &displayio_display_type;
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common_hal_displayio_display_construct(display,
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bus,
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240, // Width (after rotation)
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240, // Height (after rotation)
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0, // column start
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0, // row start
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270, // rotation
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16, // Color depth
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false, // Grayscale
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false, // Pixels in a byte share a row. Only used for depth < 8
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1, // bytes per cell. Only valid for depths < 8
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false, // reverse_pixels_in_byte. Only valid for depths < 8
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MIPI_COMMAND_SET_COLUMN_ADDRESS, // Set column command
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MIPI_COMMAND_SET_PAGE_ADDRESS, // Set row command
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MIPI_COMMAND_WRITE_MEMORY_START, // Write memory command
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0x37, // set vertical scroll command
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display_init_sequence,
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sizeof(display_init_sequence),
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NULL, // backlight pin
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NO_BRIGHTNESS_COMMAND,
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1.0f, // brightness (ignored)
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true, // auto_brightness
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false, // single_byte_bounds
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false, // data_as_commands
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true, // auto_refresh
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60); // native_frames_per_second
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}
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bool board_requests_safe_mode(void) {
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return false;
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}
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void reset_board(void) {
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}
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