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

123 lines
4.3 KiB
C

/*
* 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 "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 "supervisor/shared/board.h"
displayio_fourwire_obj_t board_display_obj;
#define DELAY 0x80
uint8_t display_init_sequence[] = {
0x01, 0 | DELAY, 150, // SWRESET
0x36, 1, 0x04, // MADCTL
0x35, 1, 0x00, // TEON
0xB2, 5, 0x0c, 0x0c, 0x00, 0x33, 0x33, // FRMCTR2
0x3A, 1, 0x05, // COLMOD
0xB7, 1, 0x14, // GCTRL
0xBB, 1, 0x37, // VCOMS
0xC0, 1, 0x2c, // LCMCTRL
0xC2, 1, 0x01, // VDVVRHEN
0xC3, 1, 0x12, // VRHS
0xC4, 1, 0x20, // VDVS
0xD0, 2, 0xa4, 0xa1, // PWRCTRL1
0xC6, 1, 0x0f, // FRCTRL2
0xE0, 14, 0xd0, 0x04, 0x0d, 0x11, 0x13, 0x2b, 0x3f, 0x54, 0x4c, 0x18, 0x0d, 0x0b, 0x1f, 0x23, // GMCTRP1
0xE1, 14, 0xd0, 0x04, 0x0c, 0x11, 0x13, 0x2c, 0x3f, 0x44, 0x51, 0x2f, 0x1f, 0x1f, 0x20, 0x23, // GMCTRN1
0x21, 0, // INVON
0x11, 0 | DELAY, 255, // SLPOUT
0x29, 0 | DELAY, 100, // DISPON
0x2a, 4, 0x00, 0, 0x00, 0xfe, // CASET
0x2b, 4, 0x00, 0, 0x00, 0xfe, // RASET
0x2c, 0, // RAMWR
};
void board_init(void) {
busio_spi_obj_t *spi = &displays[0].fourwire_bus.inline_bus;
common_hal_busio_spi_construct(spi, &pin_GPIO6, &pin_GPIO7, 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_GPIO9, // TFT_DC Command or data
&pin_GPIO5, // TFT_CS Chip select
&pin_GPIO4, // TFT_RST Reset
60000000, // 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,
240, // Width
240, // Height
0, // column start
0, // row start
0, // rotation
16, // Color depth
false, // Grayscale
false, // pixels in a byte share a row. Only valid for depths < 8
1, // bytes per cell. Only valid for depths < 8
false, // reverse_pixels_in_byte. Only valid for depths < 8
true, // reverse_bytes_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_GPIO12, // 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
}
void board_deinit(void) {
}
bool board_requests_safe_mode(void) {
return false;
}
void reset_board(void) {
}