mh
/
qmk_firmware
mirror of https://github.com/qmk/qmk_firmware/


								/* Copyright 2021 QMK

								 *

								 * This program is free software: you can redistribute it and/or modify

								 * it under the terms of the GNU General Public License as published by

								 * the Free Software Foundation, either version 3 of the License, or

								 * (at your option) any later version.

								 *

								 * This program is distributed in the hope that it will be useful,

								 * but WITHOUT ANY WARRANTY; without even the implied warranty of

								 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

								 * GNU General Public License for more details.

								 *

								 * You should have received a copy of the GNU General Public License

								 * along with this program.  If not, see <http://www.gnu.org/licenses/>.

								 */


								#include "bootloader.h"


								#include <ch.h>


								// From tinyuf2's board_api.h

								#define DBL_TAP_MAGIC 0xF01669EF


								// defined by linker script

								extern uint32_t _board_dfu_dbl_tap[];

								#define DBL_TAP_REG _board_dfu_dbl_tap[0]


								__attribute__((weak)) void mcu_reset(void) {

								    NVIC_SystemReset();

								}


								__attribute__((weak)) void bootloader_jump(void) {

								    DBL_TAP_REG = DBL_TAP_MAGIC;

								    NVIC_SystemReset();

								}


								/* not needed, no two-stage reset */

								void enter_bootloader_mode_if_requested(void) {}