/* * This file is part of the MicroPython project, http://micropython.org/ * * The MIT License (MIT) * * Copyright (c) 2019 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 "supervisor/shared/board_busses.h" #include "mpconfigboard.h" #include "hal/include/hal_gpio.h" #include "shared-module/displayio/__init__.h" #include "shared-module/displayio/mipi_constants.h" #include "tick.h" #define DELAY 0x80 uint8_t display_init_sequence[] = { 0xEF, 3, 0x03, 0x80, 0x02, 0xCF, 3, 0x00, 0xC1, 0x30, 0xED, 4, 0x64, 0x03, 0x12, 0x81, 0xE8, 3, 0x85, 0x00, 0x78, 0xCB, 5, 0x39, 0x2C, 0x00, 0x34, 0x02, 0xF7, 1, 0x20, 0xEA, 2, 0x00, 0x00, 0xc0, 1, 0x23, // Power control VRH[5:0] 0xc1, 1, 0x10, // Power control SAP[2:0];BT[3:0] 0xc5, 2, 0x3e, 0x28, // VCM control 0xc7, 1, 0x86, // VCM control2 0x36, 1, 0xa8, // Memory Access Control 0x37, 1, 0x00, // Vertical scroll zero 0x3a, 1, 0x55, // COLMOD: Pixel Format Set 0xb1, 2, 0x00, 0x18, // Frame Rate Control (In Normal Mode/Full Colors) 0xb6, 3, 0x08, 0xa2, 0x27, // Display Function Control 0xF2, 1, 0x00, // 3Gamma Function Disable 0x26, 1, 0x01, // Gamma curve selected 0xe0, 15, 0x0F, 0x31, 0x2B, 0x0C, 0x0E, 0x08, // Set Gamma 0x4E, 0xF1, 0x37, 0x07, 0x10, 0x03, 0x0E, 0x09, 0x00, 0xe1, 15, 0x00, 0x0E, 0x14, 0x03, 0x11, 0x07, // Set Gamma 0x31, 0xC1, 0x48, 0x08, 0x0F, 0x0C, 0x31, 0x36, 0x0F, 0x11, DELAY, 120, // Exit Sleep 0x29, DELAY, 120, // Display on }; void board_init(void) { displayio_parallelbus_obj_t* bus = &displays[0].parallel_bus; bus->base.type = &displayio_parallelbus_type; common_hal_displayio_parallelbus_construct(bus, &pin_PA16, // Data0 &pin_PB05, // Command or data &pin_PB06, // Chip select &pin_PB09, // Write &pin_PB04, // Read &pin_PA00); // Reset displayio_display_obj_t* display = &displays[0].display; display->base.type = &displayio_display_type; common_hal_displayio_display_construct(display, bus, 320, // Width 240, // Height 0, // column start 0, // row start 0, // rotation 16, // Color depth 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_PB31); common_hal_displayio_display_set_auto_brightness(display, true); } bool board_requests_safe_mode(void) { return false; } void reset_board(void) { }