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24 lines
577 B
24 lines
577 B
#include "utils.h"
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void reboot_bootloader() {
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// Set the magic bits to get a Caterina-based device
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// to reboot into the bootloader and stay there, rather
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// than run move onward
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//
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// These values are the same as those defined in
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// Caterina.c
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uint16_t bootKey = 0x7777;
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uint16_t *const bootKeyPtr = (uint16_t *)0x0800;
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// Stash the magic key
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*bootKeyPtr = bootKey;
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// Set a watchdog timer
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wdt_enable(WDTO_120MS);
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while (1) {} // This infinite loop ensures nothing else
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// happens before the watchdog reboots us
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}
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