/* 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 <avr/wdt.h> __attribute__((weak)) void bootloader_jump(void) { // this block may be optional // TODO: figure it out uint16_t *const bootKeyPtr = (uint16_t *)0x0800; // Value used by Caterina bootloader use to determine whether to run the // sketch or the bootloader programmer. uint16_t bootKey = 0x7777; *bootKeyPtr = bootKey; // setup watchdog timeout wdt_enable(WDTO_60MS); // wait for watchdog timer to trigger while (1) { } } __attribute__((weak)) void mcu_reset(void) { // setup watchdog timeout wdt_enable(WDTO_60MS); // wait for watchdog timer to trigger while (1) { } }