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[proxmark3-svn] / armsrc / util.h
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bd20f8f4 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
f7e3ed82 11#ifndef __UTIL_H
12#define __UTIL_H
13
a631936e 14#include "common.h"
53d5dc64 15#include "proxmark3.h"
3e134b4c 16#include "string.h"
3e134b4c 17#include "BigBuf.h"
22f4dca8 18#include "ticks.h"
f7e3ed82 19
20f9a2a1
M
20#define BYTEx(x, n) (((x) >> (n * 8)) & 0xff )
21
f7e3ed82 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
9ab7a6c7 31
3e134b4c 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
df007486 38#ifndef ARRAYLEN
39# define ARRAYLEN(x) (sizeof(x)/sizeof((x)[0]))
40#endif
3e134b4c 41
195af472 42size_t nbytes(size_t nbits);
81cd0474 43uint32_t SwapBits(uint32_t value, int nrbits);
3e134b4c 44uint32_t reflect(uint32_t v, int b);
f7e3ed82 45void num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
46uint64_t bytes_to_num(uint8_t* src, size_t len);
787b5bd8 47void rol(uint8_t *data, const size_t len);
48void lsl (uint8_t *data, size_t len);
49int32_t le24toh (uint8_t data[3]);
f7e3ed82 50
f7e3ed82 51void LED(int led, int ms);
52void LEDsoff();
53int BUTTON_CLICKED(int ms);
54int BUTTON_HELD(int ms);
55void FormatVersionInformation(char *dst, int len, const char *prefix, void *version_information);
56
9e13f875 57#endif
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