/* * 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 "supervisor/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[] = { 0xe2, 0, // reset 0x2f, 0, // power on 0x80, 0, // contrast 0 0xa4, 0, // display normal 0xaf, 0, // display on 0x40, 0, // start line 0 }; void board_init(void) { busio_spi_obj_t *spi = &displays[0].fourwire_bus.inline_bus; common_hal_busio_spi_construct(spi, &pin_PA23, &pin_PA22, NULL, false); 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, NULL, // Command or data &pin_PA19, // Chip select &pin_PA18, // Reset 40000000LL, // 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, 96, // Width 68, // Height 0, // column start 0, // row start 180, // rotation 1, // Color depth true, // grayscale false, // pixels in byte share row. Only used with depth < 8 1, // bytes per cell. Only valid for depths < 8 false, // reverse_pixels_in_byte. Only valid for depths < 8 false, // reverse_pixels_in_word 0, // Set column command 0, // Set row command 0, // Write memory command display_init_sequence, sizeof(display_init_sequence), NULL, // &pin_PA17, // brightness pin NO_BRIGHTNESS_COMMAND, 0.0f, // brightness false, // auto_brightness false, // single_byte_bounds true, // data as commands true, // auto_refresh 2, // native_frames_per_second true, // backlight_on_high true, // SH1107_addressing 50000); // backlight pwm frequency } bool board_requests_safe_mode(void) { return false; } void reset_board(void) { } void board_deinit(void) { }