circuitpython/ports/espressif/boards/hardkernel_odroid_go/board.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2020 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 "mpconfigboard.h"
#include "shared-bindings/busio/SPI.h"
#include "shared-bindings/displayio/FourWire.h"
#include "shared-module/displayio/__init__.h"
#include "shared-module/displayio/mipi_constants.h"
#include "common-hal/microcontroller/Pin.h"
#define DELAY 0x80
uint8_t display_init_sequence[] = {
0x0f, 3, 0x03, 0x80, 0x02, // RDDSDR
0xcf, 3, 0x00, 0xcf, 0x30, // PWCRTLB
0xed, 4, 0x64, 0x03, 0x12, 0x81, // PWRONCTRL, b"\x64\x03\x12\x81"),
0xe8, 3, 0x85, 0x00, 0x78, // (_DTCTRLA, b"\x85\x00\x78"),
0xcb, 5, 0x39, 0x2c, 0x00, 0x34, 0x02, // (_PWCTRLA, b"\x39\x2c\x00\x34\x02"),
0xf7, 1, 0x20, // (_PRCTRL, b"\x20"),
0xea, 2, 0x00, 0x00, // (_DTCTRLB, b"\x00\x00"),
0xc0, 1, 0x1b, // (_PWCTRL1, b"\x1b"),
0xc1, 1, 0x12, // (_PWCTRL2, b"\x12"),
0xc5, 2, 0x3e, 0x3c, // (_VMCTRL1, b"\x3e\x3c"),
0xc7, 1, 0x91, // (_VMCTRL2, b"\x91"),
0x36, 1, 0xa8, // (_MADCTL, b"\xa8"),
0x3a, 1, 0x55, // (_PIXSET, b"\x55"),
0xb1, 2, 0x00, 0x1b, // (_FRMCTR1, b"\x00\x1b"),
0xb6, 3, 0x0a, 0xa2, 0x27, // (_DISCTRL, b"\x0a\xa2\x27"),
0xf6, 2, 0x01, 0x30, // (_INTFACE, b"\x01\x30"),
0xf2, 1, 0x00, // (_ENA3G, b"\x00"),
0x26, 1, 0x01, // (_GAMSET, b"\x01"),
0xe0, 15, 0x0f, 0x31, 0x2b, 0x0c, 0x0e, 0x08, 0x4e, 0xf1, 0x37, 0x07, 0x10, 0x03, 0x0e, 0x09, 0x00,
// (_PGAMCTRL, b"\x0f\x31\x2b\x0c\x0e\x08\x4e\xf1\x37\x07\x10\x03\x0e\x09\x00"),
0xe1, 15, 0x00, 0x0e, 0x14, 0x03, 0x11, 0x07, 0x31, 0xc1, 0x48, 0x08, 0x0f, 0x0c, 0x31, 0x36, 0x0f,
// (_NGAMCTRL, b"\x00\x0e\x14\x03\x11\x07\x31\xc1\x48\x08\x0f\x0c\x31\x36\x0f")):
0x11, 0 | DELAY, 10, // _SLPOUT
0x29, 0 | DELAY, 100, // _DISPON
};
void board_init(void) {
busio_spi_obj_t *spi = &displays[0].fourwire_bus.inline_bus;
common_hal_busio_spi_construct(spi, &pin_GPIO18, &pin_GPIO23, 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,
&pin_GPIO21, // TFT_DC Command or data
&pin_GPIO5, // TFT_CS Chip select
NULL, // TFT_RST Reset
40000000, // 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,
320, // Width (after rotation)
240, // Height (after rotation)
0, // column start
0, // row start
0, // rotation
16, // Color depth
false, // grayscale
false, // pixels in byte share row. only used for 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),
&pin_GPIO14, // backlight pin
NO_BRIGHTNESS_COMMAND,
1.0f, // brightness (ignored)
true, // 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
50000); // backlight pwm frequency
}
bool board_requests_safe_mode(void) {
return false;
}
void reset_board(void) {
}
void board_deinit(void) {
}
bool espressif_board_reset_pin_number(gpio_num_t pin_number) {
// Pull LED down on reset rather than the default up
if (pin_number == 2) {
gpio_config_t cfg = {
.pin_bit_mask = BIT64(pin_number),
.mode = GPIO_MODE_DISABLE,
.pull_up_en = false,
.pull_down_en = true,
.intr_type = GPIO_INTR_DISABLE,
};
gpio_config(&cfg);
return true;
}
return false;
}