circuitpython/atmel-samd/reset.h
Scott Shawcroft 39f30aeec6 Fix 1200 baud reset.
Fixes #494
2017-12-20 15:17:06 -08:00

39 lines
1.6 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
*
* 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.
*/
#ifndef MICROPY_INCLUDED_ATMEL_SAMD_RESET_H
#define MICROPY_INCLUDED_ATMEL_SAMD_RESET_H
// Copied from inc/uf2.h in https://github.com/Microsoft/uf2-samd21
#define DBL_TAP_MAGIC 0xf01669ef // Randomly selected, adjusted to have first and last bit set
extern uint32_t _bootloader_dbl_tap;
void reset_to_bootloader(void);
void reset(void);
bool bootloader_available(void);
#endif // MICROPY_INCLUDED_ATMEL_SAMD_RESET_H