~ruther/qmk_firmware

ref: 0ff53b24984e88f385638e47ea076b4d2945c0c6 qmk_firmware/platforms/chibios/hardware_id.c -rw-r--r-- 583 bytes
0ff53b24 — Ryan Rename `RGBW` define to `WS2812_RGBW` (#23585) 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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