/*
 * Copyright (C) 2020 Inria
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */

/**
 * @ingroup sys
 * @{
 * @file
 *
 * @author  Alexandre Abadie <alexandre.abadie@inria.fr>
 * @}
 */

#define USB_H_USER_IS_RIOT_INTERNAL

#include "log.h"

#include "usb/usbus/cdc/acm.h"
#include "usb_board_reset.h"

#include "periph/pm.h"

#ifndef RESET_IN_BOOTLOADER_TRIGGER_BAUDRATE
#define RESET_IN_BOOTLOADER_TRIGGER_BAUDRATE    (1200U)
#endif

#ifndef RESET_IN_APPLICATION_TRIGGER_BAUDRATE
#define RESET_IN_APPLICATION_TRIGGER_BAUDRATE   (600U)
#endif

int usb_board_reset_coding_cb(usbus_cdcacm_device_t *cdcacm,
                              uint32_t baud, uint8_t bits,
                              uint8_t parity, uint8_t stop)
{
    (void)cdcacm;
    (void)bits;
    (void)parity;
    (void)stop;
    switch (baud) {
        case RESET_IN_BOOTLOADER_TRIGGER_BAUDRATE:
            LOG_DEBUG("[cdc-acm-stdio] reset in bootloader");
            usb_board_reset_in_bootloader();
            break;
        case RESET_IN_APPLICATION_TRIGGER_BAUDRATE:
            LOG_DEBUG("[cdc-acm-stdio] reset in application");
            usb_board_reset_in_application();
            break;
        default:
            (void)baud;
            break;
    }

    return 0;
}

void usb_board_reset_in_application(void)
{
    pm_reboot();
    while (1) {}
}