~ruther/qmk_firmware

ref: 2fd56317763e8b3b73f0db7488ef42a70f5b946e qmk_firmware/platforms/chibios/hardware_id.c -rw-r--r-- 583 bytes
2fd56317 — gskygithub [Keyboard] Add Projectd 75 iso (#21942) 11 months ago
                                                                                
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// Copyright 2022 QMK
// SPDX-License-Identifier: GPL-2.0-or-later

#include <ch.h>
#include "hardware_id.h"

hardware_id_t get_hardware_id(void) {
    hardware_id_t id = {0};
#if defined(RP2040)
    // Forward declare as including "hardware/flash.h" here causes more issues...
    void flash_get_unique_id(uint8_t *);

    flash_get_unique_id((uint8_t *)&id);
#elif defined(UID_BASE)
    id.data[0] = (uint32_t)(*((uint32_t *)UID_BASE));
    id.data[1] = (uint32_t)(*((uint32_t *)(UID_BASE + 4)));
    id.data[2] = (uint32_t)(*((uint32_t *)(UID_BASE + 8)));
#endif
    return id;
}
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