53 lines
2.0 KiB
C
53 lines
2.0 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "supervisor/board.h"
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#include "mpconfigboard.h"
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#include "shared-bindings/microcontroller/Pin.h"
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#include "components/driver/include/driver/gpio.h"
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#include "components/hal/include/hal/gpio_hal.h"
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#include "common-hal/microcontroller/Pin.h"
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void board_init(void) {
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reset_board();
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}
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void reset_board(void) {
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// Turn on I2C power by default.
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// set pin to input to find 'rest state'
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gpio_set_direction(7, GPIO_MODE_DEF_INPUT);
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// wait 1 millis for pull to activate
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mp_hal_delay_ms(1);
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// read rest state (off)
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bool restlevel = gpio_get_level(7);
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gpio_set_direction(7, GPIO_MODE_DEF_OUTPUT);
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// flip it!
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gpio_set_level(7, !restlevel);
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}
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// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.
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