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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 <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#define BUTTON_HOLD 1
25#define BUTTON_NO_CLICK 0
26#define BUTTON_SINGLE_CLICK -1
27#define BUTTON_DOUBLE_CLICK -2
28#define BUTTON_ERROR -99
29
30void print_result(char *name, uint8_t *buf, size_t len);
31size_t nbytes(size_t nbits);
32uint32_t SwapBits(uint32_t value, int nrbits);
33void num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
34uint64_t bytes_to_num(uint8_t* src, size_t len);
35void rol(uint8_t *data, const size_t len);
36void lsl (uint8_t *data, size_t len);
37
38void LED(int led, int ms);
39void LEDsoff();
40int BUTTON_CLICKED(int ms);
41int BUTTON_HELD(int ms);
42void FormatVersionInformation(char *dst, int len, const char *prefix, void *version_information);
43
44//iceman's ticks.h
45#ifndef GET_TICKS
46# define GET_TICKS GetTicks()
47#endif
48
49void SpinDelay(int ms);
50void SpinDelayUs(int us);
51
52void StartTickCount();
53uint32_t RAMFUNC GetTickCount();
54
55void StartCountUS();
56uint32_t RAMFUNC GetCountUS();
57uint32_t RAMFUNC GetDeltaCountUS();
58
59void StartCountSspClk();
60void ResetSspClk(void);
61uint32_t RAMFUNC GetCountSspClk();
62
63extern void StartTicks(void);
64extern uint32_t GetTicks(void);
65extern void WaitTicks(uint32_t ticks);
66extern void WaitUS(uint16_t us);
67extern void WaitMS(uint16_t ms);
68extern void ResetTicks();
69extern void ResetTimer(AT91PS_TC timer);
70extern void StopTicks(void);
71// end iceman's ticks.h
72
73uint32_t prand();
74
75#endif
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