/* * This file is part of the MicroPython project, http://micropython.org/ * * The MIT License (MIT) * * Copyright (c) 2017 Scott Shawcroft for Adafruit Industries, 2020 Radomir * Dopieralski * * 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[] = { 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, 0xa8, // _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_PA09, // Command or data &pin_PA08, // Chip select NULL, // Reset 24000000, // 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 3, // column start 2, // row start 0, // rotation 16, // Color depth false, // 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 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, NO_BRIGHTNESS_COMMAND, 1.0f, // brightness false, // auto_brightness false, // single_byte_bounds false, // data as commands true, // auto_refresh 60, // native_frames_per_second true, // backlight_on_high false); // SH1107_addressing } bool board_requests_safe_mode(void) { return false; } void reset_board(void) { } void board_deinit(void) { }