]>
git.gir.st - tmk_keyboard.git/blob - common/util.c
2 Copyright 2011 Jun Wako <wakojun@gmail.com>
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 2 of the License, or
7 (at your option) any later version.
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.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 int bitpop(uint8_t bits
)
24 for (c
= 0; bits
; c
++)
29 // most significant on-bit
30 int biton(uint8_t bits
)
33 if (bits
>> 4) { bits
>>= 4; n
+= 4;}
34 if (bits
>> 2) { bits
>>= 2; n
+= 2;}
35 if (bits
>> 1) { bits
>>= 1; n
+= 1;}