blob: d092f2a95eae70f6db61c5e2bd8cdc8ab0a050a2 [file] [log] [blame]
/*
* Copyright (c) 2018 Alexander Wachter
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <soc.h>
#include <drivers/hwinfo.h>
#include <string.h>
struct nrf_uid {
u32_t id[2];
};
ssize_t z_impl_hwinfo_get_device_id(u8_t *buffer, size_t length)
{
struct nrf_uid dev_id;
dev_id.id[0] = NRF_FICR->DEVICEID[0];
dev_id.id[1] = NRF_FICR->DEVICEID[1];
if (length > sizeof(dev_id.id)) {
length = sizeof(dev_id.id);
}
memcpy(buffer, dev_id.id, length);
return length;
}