48 lines
		
	
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			48 lines
		
	
	
	
		
			1.3 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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| 
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| #include "bootloader.h"
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| 
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| #include <avr/wdt.h>
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| 
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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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| 
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|     uint16_t *const bootKeyPtr = (uint16_t *)0x0800;
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| 
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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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| 
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|     *bootKeyPtr = bootKey;
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| 
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|     // setup watchdog timeout
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|     wdt_enable(WDTO_60MS);
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| 
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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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| 
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| __attribute__((weak)) void mcu_reset(void) {
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|     // setup watchdog timeout
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|     wdt_enable(WDTO_60MS);
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| 
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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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