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RIOT/boards/nrf52840-mdk-dongle/reset.c
2020-12-02 10:20:19 +01:00

40 lines
815 B
C

/*
* Copyright (C) 2020 Benjamin Valentin
*
* 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 boards_nrf52840-mdk-dongle
* @{
* @file
* @brief Implementation for managing the UF2 bootloader
*
* @author Benjamin Valentin <benpicco@googlemail.com>
*
* @}
*/
#ifdef MODULE_USB_BOARD_RESET
#define USB_H_USER_IS_RIOT_INTERNAL
#include "cpu.h"
#include "usb_board_reset.h"
/* from uf2-bootloader src/main.c */
#define DFU_MAGIC_UF2_RESET 0x57
void usb_board_reset_in_bootloader(void)
{
NRF_POWER->GPREGRET = DFU_MAGIC_UF2_RESET;
usb_board_reset_in_application();
}
#else
typedef int dont_be_pedantic;
#endif /* MODULE_USB_BOARD_RESET */