| Jacob Erlbeck | 3bed5d1 | 2015-03-19 11:22:38 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 by Sysmocom s.f.m.c. GmbH |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; either version 2 |
| 7 | * of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 17 | */ |
| 18 | |
| 19 | inline int msecs_to_frames(int msecs) { |
| 20 | return (msecs * (1024 * 1000 / 4615)) / 1024; |
| 21 | } |
| Jacob Erlbeck | 0c1c877 | 2015-03-20 12:02:42 +0100 | [diff] [blame] | 22 | |
| Max | 9dabfa2 | 2017-05-16 16:10:45 +0200 | [diff] [blame] | 23 | inline uint32_t next_fn(uint32_t fn, uint32_t offset) |
| 24 | { |
| 25 | return (fn + offset) % GSM_MAX_FN; |
| 26 | } |
| 27 | |
| Jacob Erlbeck | 0c1c877 | 2015-03-20 12:02:42 +0100 | [diff] [blame] | 28 | inline void csecs_to_timeval(unsigned csecs, struct timeval *tv) { |
| 29 | tv->tv_sec = csecs / 100; |
| 30 | tv->tv_usec = (csecs % 100) * 10000; |
| 31 | } |
| Jacob Erlbeck | 8cba7e9 | 2016-01-19 15:48:03 +0100 | [diff] [blame] | 32 | |
| 33 | template <typename T> |
| 34 | inline unsigned int pcu_bitcount(T x) |
| 35 | { |
| 36 | unsigned int count = 0; |
| 37 | for (count = 0; x; count += 1) |
| 38 | x &= x - 1; |
| 39 | |
| 40 | return count; |
| 41 | } |
| 42 | |
| 43 | template <typename T> |
| 44 | inline T pcu_lsb(T x) |
| 45 | { |
| 46 | return x & -x; |
| 47 | } |