circuitpython/ports/espressif/boards/cytron_maker_feather_aiot_s3/board.c

/*
 * This file is part of the MicroPython project, http://micropython.org/
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2022 Wai Weng for Cytron Technologies
 *
 * 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 "components/driver/include/driver/gpio.h"
#include "components/hal/include/hal/gpio_hal.h"
#include "common-hal/microcontroller/Pin.h"

void board_init(void) {
    reset_board();
}

bool espressif_board_reset_pin_number(gpio_num_t pin_number) {
    // For GPIOs used in Maker Feather AIoT S3, set the default state to pull down
    // as most of them are connected to active high LED.
    switch ((int8_t)pin_number) {
        case 4:
        case 5:
        case 6:
        case 7:
        case 8:
        case 9:
        case 10:
        case 12:
        case 14:
        case 15:
        case 16:
        case 17:
        case 18:
        case 21:
        case 38:
        case 39:
        case 40:
        case 41:
        case 42:
        case 47:
        case 48:
            gpio_reset_pin(pin_number);
            gpio_pullup_dis(pin_number);
            gpio_pulldown_en(pin_number);
            return true;

        // Do not pull up/down as this is the battery voltage monitoring pin.
        case 13:
            gpio_reset_pin(pin_number);
            gpio_pullup_dis(pin_number);
            gpio_pulldown_dis(pin_number);
            return true;
    }

    return false;
}

void reset_board(void) {
    // Turn on VP by default.
    gpio_set_direction(11, GPIO_MODE_DEF_OUTPUT);
    gpio_set_level(11, true);
}

// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.