circuitpython/ports/espressif/boards/ai_thinker_esp32-c3s/board.c

/*
 * This file is part of the MicroPython project, http://micropython.org/
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2021 microDev
 * Copyright (c) 2021 skieast/Bruce Segal
 *
 * 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 "shared-bindings/microcontroller/Pin.h"
#include "supervisor/board.h"

#include "components/driver/include/driver/gpio.h"
#include "soc/usb_serial_jtag_struct.h"

void board_init(void) {
    // This board has LEDs connected to the USB pins
    USB_SERIAL_JTAG.conf0.usb_pad_enable = 0;
    USB_SERIAL_JTAG.conf0.dp_pullup = 0;
}

bool espressif_board_reset_pin_number(gpio_num_t pin_number) {
    // Pull LEDs down on reset rather than the default up
    if (pin_number == 3 || pin_number == 4 || pin_number == 5 || pin_number == 18 || pin_number == 19) {
        gpio_config_t cfg = {
            .pin_bit_mask = BIT64(pin_number),
            .mode = GPIO_MODE_DISABLE,
            .pull_up_en = false,
            .pull_down_en = true,
            .intr_type = GPIO_INTR_DISABLE,
        };
        gpio_config(&cfg);
        return true;
    }
    return false;
}

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