130 lines
4.9 KiB
C
130 lines
4.9 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) 2020 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 "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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#include "common-hal/microcontroller/Pin.h"
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#define DELAY 0x80
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// ILI9341 init sequence from:
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// https://github.com/hardkernel/ODROID-GO-MicroPython/blob/loboris/odroid_go/utils/lcd/lcd.py#L55
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uint8_t display_init_sequence[] = {
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0x0f, 3, 0x03, 0x80, 0x02, // RDDSDR
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0xcf, 3, 0x00, 0xcf, 0x30, // PWCRTLB
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0xed, 4, 0x64, 0x03, 0x12, 0x81, // PWRONCTRL
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0xe8, 3, 0x85, 0x00, 0x78, // DTCTRLA
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0xcb, 5, 0x39, 0x2c, 0x00, 0x34, 0x02, // PWCTRLA
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0xf7, 1, 0x20, // PRCTRL
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0xea, 2, 0x00, 0x00, // DTCTRLB
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0xc0, 1, 0x1b, // PWCTRL1
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0xc1, 1, 0x12, // PWCTRL2
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0xc5, 2, 0x3e, 0x3c, // VMCTRL1
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0xc7, 1, 0x91, // VMCTRL2
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0x36, 1, 0xa8, // MADCTL
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0x3a, 1, 0x55, // PIXSET
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0xb1, 2, 0x00, 0x1b, // FRMCTR1
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0xb6, 3, 0x0a, 0xa2, 0x27, // DISCTRL
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0xf6, 2, 0x01, 0x30, // INTFACE
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0xf2, 1, 0x00, // ENA3G
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0x26, 1, 0x01, // GAMSET
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0xe0, 15, 0x0f, 0x31, 0x2b, 0x0c, 0x0e, 0x08, 0x4e, 0xf1, 0x37, 0x07, 0x10, 0x03, 0x0e, 0x09, 0x00, // PGAMCTRL
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0xe1, 15, 0x00, 0x0e, 0x14, 0x03, 0x11, 0x07, 0x31, 0xc1, 0x48, 0x08, 0x0f, 0x0c, 0x31, 0x36, 0x0f, // NGAMCTRL
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0x11, 0 | DELAY, 10, // SLPOUT
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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 = &allocate_display_bus()->fourwire_bus;
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busio_spi_obj_t *spi = &bus->inline_bus;
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common_hal_busio_spi_construct(spi, &pin_GPIO18, &pin_GPIO23, NULL, false);
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common_hal_busio_spi_never_reset(spi);
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bus->base.type = &displayio_fourwire_type;
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common_hal_displayio_fourwire_construct(bus,
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spi,
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&pin_GPIO21, // TFT_DC Command or data
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&pin_GPIO5, // TFT_CS Chip select
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NULL, // TFT_RST Reset
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40000000, // Baudrate
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0, // Polarity
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0); // Phase
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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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320, // Width (after rotation)
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240, // Height (after rotation)
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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. only used for 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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display_init_sequence,
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sizeof(display_init_sequence),
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&pin_GPIO14, // 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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50000); // backlight pwm frequency
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}
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bool espressif_board_reset_pin_number(gpio_num_t pin_number) {
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// Pull LED down on reset rather than the default up
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if (pin_number == 2) {
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gpio_config_t cfg = {
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.pin_bit_mask = BIT64(pin_number),
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.mode = GPIO_MODE_DISABLE,
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.pull_up_en = false,
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.pull_down_en = true,
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.intr_type = GPIO_INTR_DISABLE,
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};
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gpio_config(&cfg);
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return true;
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}
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return false;
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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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