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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
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