| /* |
| * Copyright (c) 2016 Nordic Semiconductor ASA |
| * Copyright (c) 2016 Vinayak Kariappa Chettimada |
| * |
| * Licensed 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 <stdint.h> |
| #include "util.h" |
| |
| uint8_t util_ones_count_get(uint8_t *octets, uint8_t octets_len) |
| { |
| uint8_t one_count = 0; |
| |
| while (octets_len--) { |
| uint8_t bite; |
| |
| bite = *octets; |
| while (bite) { |
| bite &= (bite - 1); |
| one_count++; |
| } |
| octets++; |
| } |
| |
| return one_count; |
| } |