circuitpython/ports/espressif/boards/lolin_s2_pico/board.c
Scott Shawcroft 9daccc08c5
Forbidden pins are now correctly "in use" on ESP
This removes duplicate code to make debug UART pins in use via
never reset. It is done through forbidden pins automatically now.

Fixes #8288
2023-08-28 15:55:14 -07:00

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.