39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/* Copyright 2021 QMK
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "bootloader.h"
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#include <avr/wdt.h>
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__attribute__((weak)) void bootloader_jump(void) {
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// this block may be optional
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// TODO: figure it out
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uint16_t *const bootKeyPtr = (uint16_t *)0x0800;
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// Value used by Caterina bootloader use to determine whether to run the
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// sketch or the bootloader programmer.
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uint16_t bootKey = 0x7777;
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*bootKeyPtr = bootKey;
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// setup watchdog timeout
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wdt_enable(WDTO_60MS);
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// wait for watchdog timer to trigger
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while (1) {
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}
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}
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