circuitpython/ports/raspberrypi/boards/adafruit_macropad_rp2040/board.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2021 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 "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"
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#include "shared-bindings/microcontroller/Pin.h"
#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h"
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#include "supervisor/shared/board.h"
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displayio_fourwire_obj_t board_display_obj;
#define DELAY 0x80
uint8_t display_init_sequence[] = {
0xae, 0, // sleep
0xd5, 1, 0x80, // fOsc divide by 2
0xa8, 1, 0x3f, // multiplex 64
0xd3, 1, 0x00, // offset 0
0x40, 1, 0x00, // start line 0
0xad, 1, 0x8b, // dc/dc on
0xa1, 0, // segment remap = 0
0xc8, 0, // scan incr
0xda, 1, 0x12, // com pins
0x81, 1, 0xff, // contrast 255
0xd9, 1, 0x1f, // pre/dis-charge 2DCLKs/2CLKs
0xdb, 1, 0x20, // VCOM deslect 0.770
0x20, 1, 0x20,
0x33, 0, // VPP 9V
0xa6, 0, // not inverted
0xa4, 0, // normal
0xaf, 0, // on
};
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void board_init(void) {
busio_spi_obj_t *spi = &displays[0].fourwire_bus.inline_bus;
common_hal_busio_spi_construct(spi, &pin_GPIO26, &pin_GPIO27, NULL);
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_GPIO24, // Command or data
&pin_GPIO22, // Chip select
&pin_GPIO23, // Reset
1000000, // 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
64, // Height
2, // column start
0, // row start
0, // rotation
1, // Color depth
true, // 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
0, // Set column command
0, // Set row command
0, // Write memory command
0xd3, // set vertical scroll command
display_init_sequence,
sizeof(display_init_sequence),
NULL,
0x81,
1.0f, // brightness
false, // auto_brightness
true, // single_byte_bounds
true, // data as commands
true, // auto_refresh
60, // native_frames_per_second
true, // backlight_on_high
true); // SH1107_addressing
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}
bool board_requests_safe_mode(void) {
return false;
}
void reset_board(void) {
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// turn off any left over LED
board_reset_user_neopixels(&pin_GPIO19, 12);
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}
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void board_deinit(void) {
}