103 lines
3.8 KiB
C
103 lines
3.8 KiB
C
/*
|
|
* 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/microcontroller/Pin.h"
|
|
#include "shared-bindings/board/__init__.h"
|
|
#include "shared-bindings/displayio/I2CDisplay.h"
|
|
#include "shared-module/displayio/__init__.h"
|
|
#include "shared-module/displayio/mipi_constants.h"
|
|
#include "shared-bindings/busio/I2C.h"
|
|
#include "supervisor/shared/board.h"
|
|
#include "shared-bindings/board/__init__.h"
|
|
|
|
uint8_t display_init_sequence[] = { // SSD1306
|
|
0xAE, 0, // DISPLAY_OFF
|
|
0x20, 1, 0x00, // Set memory addressing to horizontal mode.
|
|
0x81, 1, 0xcf, // set contrast control
|
|
0xA1, 0, // Column 127 is segment 0
|
|
0xA6, 0, // Normal display
|
|
0xc8, 0, // Normal display
|
|
0xA8, 1, 0x1f, // Mux ratio is height-1
|
|
0xd5, 1, 0x80, // Set divide ratio
|
|
0xd9, 1, 0xf1, // Set pre-charge period
|
|
0xda, 1, 0x02, // Set com configuration to 2 if height is 32 and width not 64
|
|
0xdb, 1, 0x40, // Set vcom configuration
|
|
0x8d, 1, 0x14, // Enable charge pump
|
|
0xAF, 0, // DISPLAY_ON
|
|
};
|
|
|
|
static void display_init(void) {
|
|
busio_i2c_obj_t *i2c = common_hal_board_create_i2c(0);
|
|
|
|
displayio_i2cdisplay_obj_t *bus = &allocate_display_bus()->i2cdisplay_bus;
|
|
bus->base.type = &displayio_i2cdisplay_type;
|
|
common_hal_displayio_i2cdisplay_construct(bus,
|
|
i2c,
|
|
0x3c,
|
|
&pin_GPIO18 // reset
|
|
);
|
|
|
|
displayio_display_obj_t *display = &allocate_display()->display;
|
|
display->base.type = &displayio_display_type;
|
|
common_hal_displayio_display_construct(display,
|
|
bus,
|
|
128, // Width
|
|
32, // Height
|
|
0, // 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
|
|
0x21, // Set column command
|
|
0x22, // Set row command
|
|
44, // Write ram command
|
|
display_init_sequence,
|
|
sizeof(display_init_sequence),
|
|
NULL, // no backlight pin
|
|
0x81, // brightness command
|
|
1.0f, // brightness
|
|
true, // single_byte_bounds
|
|
true, // data as commands
|
|
true, // auto_refresh
|
|
60, // native_frames_per_second
|
|
true, // backlight_on_high
|
|
false, // SH1107_addressing
|
|
0); // backlight pwm frequency
|
|
}
|
|
|
|
void board_init(void) {
|
|
// init display
|
|
display_init();
|
|
}
|
|
|
|
// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.
|