git.zerfleddert.de Git - proxmark3-svn/blob - armsrc/util.h

   1 //-----------------------------------------------------------------------------
   2 // Jonathan Westhues, Aug 2005
   3 //
   4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
   5 // at your option, any later version. See the LICENSE.txt file for the text of
   6 // the license.
   7 //-----------------------------------------------------------------------------
   8 // Utility functions used in many places, not specific to any piece of code.
   9 //-----------------------------------------------------------------------------
  10
  11 #ifndef __UTIL_H
  12 #define __UTIL_H
  13
  14 #include "common.h"
  15 #include "proxmark3.h"
  16 #include "string.h"
  17 #include "BigBuf.h"
  18 #include "ticks.h"
  19
  20 #define BYTEx(x, n) (((x) >> (n * 8)) & 0xff )
  21
  22 #define LED_RED 1
  23 #define LED_ORANGE 2
  24 #define LED_GREEN 4
  25 #define LED_RED2 8
  26 #define BUTTON_HOLD 1
  27 #define BUTTON_NO_CLICK 0
  28 #define BUTTON_SINGLE_CLICK -1
  29 #define BUTTON_DOUBLE_CLICK -2
  30 #define BUTTON_ERROR -99
  31
  32 #ifndef BSWAP_16
  33 # define BSWAP_16(x) ((( ((x) & 0xFF00 ) >> 8))| ( (((x) & 0x00FF) << 8)))
  34 #endif
  35 #ifndef BITMASK
  36 # define BITMASK(X) (1 << (X))
  37 #endif
  38 #ifndef ARRAYLEN
  39 # define ARRAYLEN(x) (sizeof(x)/sizeof((x)[0]))
  40 #endif
  41
  42 size_t nbytes(size_t nbits);
  43 uint32_t SwapBits(uint32_t value, int nrbits);
  44 uint32_t reflect(uint32_t v, int b);
  45 void num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
  46 uint64_t bytes_to_num(uint8_t* src, size_t len);
  47 void rol(uint8_t *data, const size_t len);
  48 void lsl (uint8_t *data, size_t len);
  49 int32_t le24toh (uint8_t data[3]);
  50 uint8_t hex2int(char hexchar);
  51
  52 void LED(int led, int ms);
  53 void LEDsoff();
  54 int BUTTON_CLICKED(int ms);
  55 int BUTTON_HELD(int ms);
  56 void FormatVersionInformation(char *dst, int len, const char *prefix, void *version_information);
  57
  58 #endif