32 lines
599 B
C
32 lines
599 B
C
/*
|
|
* Copyright (c) 2018 Alexander Wachter
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include <soc.h>
|
|
#include <drivers/hwinfo.h>
|
|
#include <string.h>
|
|
#include <hal/nrf_ficr.h>
|
|
#include <sys/byteorder.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] = sys_cpu_to_be32(nrf_ficr_deviceid_get(NRF_FICR, 1));
|
|
dev_id.id[1] = sys_cpu_to_be32(nrf_ficr_deviceid_get(NRF_FICR, 0));
|
|
|
|
if (length > sizeof(dev_id.id)) {
|
|
length = sizeof(dev_id.id);
|
|
}
|
|
|
|
memcpy(buffer, dev_id.id, length);
|
|
|
|
return length;
|
|
}
|