27b1a24993
Change-id: I7b691d082d080239c35b63221e3c6c7aa93ed58e Signed-off-by: Vinayak Chettimada <vinayak.kariappa.chettimada@nordicsemi.no>
38 lines
950 B
C
38 lines
950 B
C
/*
|
|
* 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;
|
|
}
|