| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #include <inttypes.h> |
| #include <string.h> |
| #include <hal/hal_bsp.h> |
| #include "nrf.h" |
| |
| #ifndef min |
| #define min(a, b) ((a)<(b)?(a):(b)) |
| #endif |
| |
| int |
| hal_bsp_hw_id_len(void) |
| { |
| return sizeof(NRF_FICR->DEVICEID) + sizeof(NRF_FICR->DEVICEADDR); |
| } |
| |
| /* |
| * These values are generated at random. |
| * DEVICEID[0-1] and DEVICEADDR[0-1]. |
| */ |
| int |
| hal_bsp_hw_id(uint8_t *id, int max_len) |
| { |
| int len, cnt; |
| |
| cnt = min(sizeof(NRF_FICR->DEVICEID), max_len); |
| memcpy(id, (void *)NRF_FICR->DEVICEID, cnt); |
| len = cnt; |
| |
| cnt = min(sizeof(NRF_FICR->DEVICEADDR), max_len - len); |
| memcpy(id + len, (void *)NRF_FICR->DEVICEADDR, cnt); |
| |
| return len + cnt; |
| } |