125 lines
4.8 KiB
C
125 lines
4.8 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) 2019 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 "supervisor/board.h"
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#include "mpconfigboard.h"
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#include "hal/include/hal_gpio.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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#define DELAY 0x80
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uint8_t display_init_sequence[] = {
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0x01, DELAY, 100 / 5, // Soft reset, then delay 10 ms
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0xB9, 3, 0xFF, 0x83, 0x57, // Extension command set
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0xFF, DELAY, 500 / 5,
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0xB3, 4, 0x80, 0x00, 0x06, 0x06, // 0x80 enables SDO pin (0x00 disables)
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0xB6, 2, 0x01, 0x25, // -1.52V
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0xB0, 1, 0x68, // Normal mode 70Hz, Idle mode 55 Hz
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0xCC, 1, 0x05,
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0xB1, 6,
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0x00, // Not deep standby
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0x15, // BT
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0x1C, // VSPR
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0x1C, // VSNR
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0x83, // AP
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0xAA, // FS
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0xC0, 6,
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0x50, // OPON normal
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0x50, // OPON idle
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0x01, // STBA
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0x3C, // STBA
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0x1E, // STBA
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0x08, // GEN
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0xB4, 7,
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0x02, // NW 0x02
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0x40, // RTN
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0x00, // DIV
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0x2A, // DUM
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0x2A, // DUM
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0x0D, // GDON
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0x78, // GDOFF
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0xE0, 34,
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0x02, 0x0A, 0x11, 0x1d, 0x23, 0x35, 0x41, 0x4b, 0x4b,
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0x42, 0x3A, 0x27, 0x1B, 0x08, 0x09, 0x03, 0x02, 0x0A,
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0x11, 0x1d, 0x23, 0x35, 0x41, 0x4b, 0x4b, 0x42, 0x3A,
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0x27, 0x1B, 0x08, 0x09, 0x03, 0x00, 0x01,
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0x3a, 1, 0x55,
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0x36, 1, 0x60,
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0x11, DELAY, 150 / 5, // Exit Sleep, then delay 150 ms
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0x29, DELAY, 50 / 5
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};
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void board_init(void) {
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paralleldisplay_parallelbus_obj_t *bus = &allocate_display_bus()->parallel_bus;
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bus->base.type = ¶lleldisplay_parallelbus_type;
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common_hal_paralleldisplay_parallelbus_construct(bus,
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&pin_PA16, // Data0
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&pin_PB05, // Command or data
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&pin_PB06, // Chip select
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&pin_PB09, // Write
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&pin_PB04, // Read
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&pin_PA00, // Reset
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0); // Frequency
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displayio_display_obj_t *display = &allocate_display()->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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480, // Width
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320, // Height
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0, // column start
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0, // row start
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0, // rotation
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16, // Color depth
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false, // grayscale
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false, // pixels_in_byte_share_row (unused for depths > 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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true, // reverse_pixels_in_word
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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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display_init_sequence,
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sizeof(display_init_sequence),
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&pin_PB31, // Backlight pin
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NO_BRIGHTNESS_COMMAND,
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1.0f, // 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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true, // backlight_on_high
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false, // SH1107_addressing
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500); // backlight_pwm_frequency
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}
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// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.
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