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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2020 Joey Castillo
*
* 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 "mpconfigboard.h"
#include "hal/include/hal_gpio.h"
#include "shared-bindings/busio/SPI.h"
#include "shared-bindings/displayio/FourWire.h"
#include "shared-bindings/time/__init__.h"
#include "shared-module/displayio/__init__.h"
#include "shared-module/displayio/mipi_constants.h"
#include "tick.h"
displayio_fourwire_obj_t board_display_obj;
#define DELAY 0x80
#define HEIGHT 400
#define WIDTH 300
uint8_t start_sequence[] = {
0x01, 0x04, 0x03, 0x00, 0x2b, 0x2b, // power setting
0x06, 0x03, 0x17, 0x17, 0x17, // booster soft start
0x04, 0x80, 0xc8, // power on and wait 200 ms
0x00, 0x01, 0x0f, // panel setting
0x61, 0x04, (HEIGHT >> 8) & 0xFF, HEIGHT & 0xFF, (WIDTH >> 8) & 0xFF, WIDTH & 0xFF // Resolution
};
uint8_t stop_sequence[] = {
0x50, 0x01, 0xf7, // CDI setting
0x02, 0x80, 0xf0 // Power off
};
void board_init(void) {
busio_spi_obj_t* spi = &displays[0].fourwire_bus.inline_bus;
common_hal_busio_spi_construct(spi, &pin_PB13, &pin_PB15, 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_PB05, // EPD_DC Command or data
&pin_PB07, // EPD_CS Chip select
&pin_PA00, // EPD_RST Reset
1000000);
displayio_epaperdisplay_obj_t* display = &displays[0].epaper_display;
display->base.type = &displayio_epaperdisplay_type;
common_hal_displayio_epaperdisplay_construct(display,
bus,
start_sequence,
sizeof(start_sequence),
stop_sequence,
sizeof(stop_sequence),
400, // width
300, // height
400, // RAM width
300, // RAM height
0, // colstart
0, // rowstart
0, // rotation
NO_COMMAND, // set_column_window_command
NO_COMMAND, // set_row_window_command
NO_COMMAND, // set_current_column_command
NO_COMMAND, // set_current_row_command
0x13, // write_black_ram_command
false, // black_bits_inverted
NO_COMMAND, // write_color_ram_command (can add this for grayscale eventually)
false, // color_bits_inverted
0x000000, // highlight_color
0x12, // refresh_display_command
40, // refresh_time
&pin_PA01, // busy_pin
false, // busy_state
5, // seconds_per_frame
false); // chip_select (don't always toggle chip select)
}
bool board_requests_safe_mode(void) {
return false;
}
void reset_board(void) {
}