'lf hitag writer': add Hitag2 password auth
[proxmark3-svn] / 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 <stddef.h>
15 #include <stdint.h>
16 #include "common.h"
17
18 #define BYTEx(x, n) (((x) >> (n * 8)) & 0xff )
19
20 #define LED_RED 1
21 #define LED_ORANGE 2
22 #define LED_GREEN 4
23 #define LED_RED2 8
24
25 #define BUTTON_HOLD 1
26 #define BUTTON_NO_CLICK 0
27 #define BUTTON_SINGLE_CLICK -1
28 #define BUTTON_DOUBLE_CLICK -2
29 #define BUTTON_ERROR -99
30
31 #define REV8(x) ((((x)>>7)&1)|((((x)>>6)&1)<<1)|((((x)>>5)&1)<<2)|((((x)>>4)&1)<<3)|((((x)>>3)&1)<<4)|((((x)>>2)&1)<<5)|((((x)>>1)&1)<<6)|(((x)&1)<<7))
32 #define REV16(x) (REV8(x) | (REV8 (x >> 8) << 8))
33 #define REV32(x) (REV16(x) | (REV16(x >> 16) << 16))
34 #define REV64(x) (REV32(x) | (REV32(x >> 32) << 32))
35
36 void print_result(char *name, uint8_t *buf, size_t len);
37 size_t nbytes(size_t nbits);
38 uint32_t SwapBits(uint32_t value, int nrbits);
39 void num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
40 uint64_t bytes_to_num(uint8_t* src, size_t len);
41 void rol(uint8_t *data, const size_t len);
42 void lsl (uint8_t *data, size_t len);
43
44 void LED(int led, int ms);
45 void LEDsoff();
46 void LEDson();
47 void LEDsinvert();
48 int BUTTON_CLICKED(int ms);
49 int BUTTON_HELD(int ms);
50 void FormatVersionInformation(char *dst, int len, const char *prefix, void *version_information);
51
52 //iceman's ticks.h
53 #ifndef GET_TICKS
54 # define GET_TICKS GetTicks()
55 #endif
56
57 void SpinDelay(int ms);
58 void SpinDelayUs(int us);
59
60 void StartTickCount();
61 uint32_t RAMFUNC GetTickCount();
62
63 void StartCountUS();
64 uint32_t RAMFUNC GetCountUS();
65 uint32_t RAMFUNC GetDeltaCountUS();
66
67 void StartCountSspClk();
68 void ResetSspClk(void);
69 uint32_t RAMFUNC GetCountSspClk();
70
71 extern void StartTicks(void);
72 extern uint32_t GetTicks(void);
73 extern void WaitTicks(uint32_t ticks);
74 extern void WaitUS(uint16_t us);
75 extern void WaitMS(uint16_t ms);
76 extern void ResetTicks();
77 extern void ResetTimer(AT91PS_TC timer);
78 extern void StopTicks(void);
79 // end iceman's ticks.h
80
81 uint32_t prand();
82
83 #endif
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