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123 lines
4.5 KiB
123 lines
4.5 KiB
/* |
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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 "shared-bindings/board/__init__.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 "shared-bindings/busio/SPI.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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0xb1, 3, 0x01, 0x2C, 0x2D, // _FRMCTR1 |
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0xb2, 3, 0x01, 0x2C, 0x2D, // |
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0xb3, 6, 0x01, 0x2C, 0x2D, 0x01, 0x2C, 0x2D, |
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0xb4, 1, 0x07, // _INVCTR line inversion |
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0xc0, 3, 0xa2, 0x02, 0x84, // _PWCTR1 GVDD = 4.7V, 1.0uA |
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0xc1, 1, 0xc5, // _PWCTR2 VGH=14.7V, VGL=-7.35V |
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0xc2, 2, 0x0a, 0x00, // _PWCTR3 Opamp current small, Boost frequency |
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0xc3, 2, 0x8a, 0x2a, |
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0xc4, 2, 0x8a, 0xee, |
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0xc5, 1, 0x0e, // _VMCTR1 VCOMH = 4V, VOML = -1.1V |
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0x2a, 0, // _INVOFF |
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0x36, 1, 0xa0, // _MADCTL bottom to top refresh |
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// 1 clk cycle nonoverlap, 2 cycle gate rise, 3 sycle osc equalie, |
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// fix on VTL |
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0x3a, 1, 0x05, // COLMOD - 16bit color |
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0xe0, 16, 0x02, 0x1c, 0x07, 0x12, // _GMCTRP1 Gamma |
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0x37, 0x32, 0x29, 0x2d, |
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0x29, 0x25, 0x2B, 0x39, |
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0x00, 0x01, 0x03, 0x10, |
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0xe1, 16, 0x03, 0x1d, 0x07, 0x06, // _GMCTRN1 |
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0x2E, 0x2C, 0x29, 0x2D, |
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0x2E, 0x2E, 0x37, 0x3F, |
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0x00, 0x00, 0x02, 0x10, |
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0x2a, 3, 0x02, 0x00, 0x81, // _CASET XSTART = 2, XEND = 129 |
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0x2b, 3, 0x02, 0x00, 0x81, // _RASET XSTART = 2, XEND = 129 |
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0x13, 0 | DELAY, 10, // _NORON |
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0x29, 0 | DELAY, 100, // _DISPON |
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}; |
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void board_init(void) { |
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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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busio_spi_obj_t *spi = common_hal_board_create_spi(); |
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common_hal_displayio_fourwire_construct(bus, |
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spi, |
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&pin_PA09, // Command or data |
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&pin_PA08, // Chip select |
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NULL, // Reset |
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24000000, // Baudrate |
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0, // Polarity |
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0); // Phase |
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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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128, // Width |
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128, // Height |
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3, // column start |
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2, // 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. Only used with 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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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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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, |
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NO_BRIGHTNESS_COMMAND, |
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1.0f, // brightness |
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false, // 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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true); // backlight_on_high |
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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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