AIOC/stm32/aioc-fw/Src/usb_dfu.c

#include "usb_dfu.h"
#include "stm32f3xx_hal.h"
#include "tusb.h"

// Invoked on DFU_DETACH request to reboot to the bootloader
void tud_dfu_runtime_reboot_to_dfu_cb(void)
{
    /* Use the watchdog timer for a timed reset. This assures
     * the host can close the open pipe before the device reboots. */

    IWDG_HandleTypeDef IWDGHandle = {
        .Instance = IWDG,
        .Init = {
            .Prescaler = IWDG_PRESCALER_4,
            .Reload = 128,
            .Window = 0x0FFF
        }
    };

    HAL_IWDG_Init(&IWDGHandle);
}