19 lines
580 B
C
19 lines
580 B
C
// Copyright 2022 QMK
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
// For some reason this bit is undocumented for some AVR parts and not defined in their avr-libc IO headers
|
|
// See https://stackoverflow.com/questions/12350914/how-to-read-atmega-32-signature-row
|
|
#ifndef SIGRD
|
|
# define SIGRD 5
|
|
#endif // SIGRD
|
|
|
|
#include <avr/boot.h>
|
|
#include "hardware_id.h"
|
|
|
|
__attribute__((weak)) hardware_id_t get_hardware_id(void) {
|
|
hardware_id_t id = {0};
|
|
for (uint8_t i = 0; i < 10; i += 1) {
|
|
((uint8_t*)&id)[i] = boot_signature_byte_get(i + 0x0E);
|
|
}
|
|
return id;
|
|
}
|