tmk_core/common/util.h

   1 /*
   2 Copyright 2011 Jun Wako <wakojun@gmail.com>
   3
   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.
   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, see <http://www.gnu.org/licenses/>.
  16 */
  17
  18 #ifndef UTIL_H
  19 #define UTIL_H
  20
  21 #include <stdint.h>
  22
  23 // convert to L string
  24 #define LSTR(s) XLSTR(s)
  25 #define XLSTR(s) L ## #s
  26 // convert to string
  27 #define STR(s) XSTR(s)
  28 #define XSTR(s) #s
  29
  30
  31 #ifdef __cplusplus
  32 extern "C" {
  33 #endif
  34
  35 uint8_t bitpop(uint8_t bits);
  36 uint8_t bitpop16(uint16_t bits);
  37 uint8_t bitpop32(uint32_t bits);
  38
  39 uint8_t biton(uint8_t bits);
  40 uint8_t biton16(uint16_t bits);
  41 uint8_t biton32(uint32_t bits);
  42
  43 uint8_t  bitrev(uint8_t bits);
  44 uint16_t bitrev16(uint16_t bits);
  45 uint32_t bitrev32(uint32_t bits);
  46
  47 #ifdef __cplusplus
  48 }
  49 #endif
  50
  51 #endif