circuitpython/supervisor/shared/board.c

49 lines
2.0 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2020 Dan Halbert 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/shared/board.h"
#if CIRCUITPY_DIGITALIO && CIRCUITPY_NEOPIXEL_WRITE
#include <string.h>
#include "shared-bindings/digitalio/DigitalInOut.h"
#include "shared-bindings/neopixel_write/__init__.h"
void board_reset_user_neopixels(const mcu_pin_obj_t *pin, size_t count) {
// Turn off on-board NeoPixel string
uint8_t empty[count * 3];
memset(empty, 0, count * 3);
digitalio_digitalinout_obj_t neopixel_pin;
common_hal_digitalio_digitalinout_construct(&neopixel_pin, pin);
common_hal_digitalio_digitalinout_switch_to_output(&neopixel_pin, false,
DRIVE_MODE_PUSH_PULL);
common_hal_neopixel_write(&neopixel_pin, empty, count * 3);
common_hal_digitalio_digitalinout_deinit(&neopixel_pin);
}
#endif