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a787875cf8
The private parts need USB definitions (and are thus preferably used from USB_H_USER_IS_RIOT_INTERNAL compilation units). Functions like usb_board_reset_in_bootloader do not depend on USB headers for their definitions and are fair game throughout the application even for generic RIOT USB devices.
41 lines
912 B
C
41 lines
912 B
C
/*
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* Copyright (C) 2020 Inria
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup boards_arduino-nano-33-ble
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* @{
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* @file
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* @brief Implementation for managing the Arduino bootloader
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*
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* @author Alexandre Abadie <alexandre.abadie@inria.fr>
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*
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* @}
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*/
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#ifdef MODULE_USB_BOARD_RESET
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#define USB_H_USER_IS_RIOT_INTERNAL
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#include "cpu.h"
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#include "usb_board_reset.h"
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/* Set the value used by the bootloader to select between boot in
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application and boot in bootloader mode. */
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#define NRF52_DOUBLE_TAP_MAGIC_NUMBER (0xb0)
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void usb_board_reset_in_bootloader(void)
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{
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NRF_POWER->GPREGRET = NRF52_DOUBLE_TAP_MAGIC_NUMBER;
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usb_board_reset_in_application();
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}
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#else
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typedef int dont_be_pedantic;
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#endif /* MODULE_USB_BOARD_RESET */
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