| /* |
| * 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> |
| |
| 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_get(NRF_FICR, 0); |
| dev_id.id[1] = nrf_ficr_deviceid_get(NRF_FICR, 1); |
| |
| if (length > sizeof(dev_id.id)) { |
| length = sizeof(dev_id.id); |
| } |
| |
| memcpy(buffer, dev_id.id, length); |
| |
| return length; |
| } |