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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
14#include <stddef.h>
15#include <stdint.h>
a631936e 16#include "common.h"
f7e3ed82 17
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18#define BYTEx(x, n) (((x) >> (n * 8)) & 0xff )
19
f7e3ed82 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
9ab7a6c7 29
787b5bd8 30void print_result(char *name, uint8_t *buf, size_t len);
195af472 31size_t nbytes(size_t nbits);
81cd0474 32uint32_t SwapBits(uint32_t value, int nrbits);
f7e3ed82 33void num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
34uint64_t bytes_to_num(uint8_t* src, size_t len);
787b5bd8 35void rol(uint8_t *data, const size_t len);
36void lsl (uint8_t *data, size_t len);
f7e3ed82 37
f7e3ed82 38void LED(int led, int ms);
39void LEDsoff();
3d057cfb
SG
40void LEDson();
41void LEDsinvert();
f7e3ed82 42int BUTTON_CLICKED(int ms);
43int BUTTON_HELD(int ms);
44void FormatVersionInformation(char *dst, int len, const char *prefix, void *version_information);
45
e04475c4 46//iceman's ticks.h
47#ifndef GET_TICKS
8ff31e93 48# define GET_TICKS GetTicks()
e04475c4 49#endif
50
51void SpinDelay(int ms);
52void SpinDelayUs(int us);
53
9ca155ba
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54void StartTickCount();
55uint32_t RAMFUNC GetTickCount();
56
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57void StartCountUS();
58uint32_t RAMFUNC GetCountUS();
59uint32_t RAMFUNC GetDeltaCountUS();
60
7bc95e2e 61void StartCountSspClk();
e04475c4 62void ResetSspClk(void);
7bc95e2e 63uint32_t RAMFUNC GetCountSspClk();
1c611bbd 64
e04475c4 65extern void StartTicks(void);
8ff31e93 66extern uint32_t GetTicks(void);
e04475c4 67extern void WaitTicks(uint32_t ticks);
68extern void WaitUS(uint16_t us);
69extern void WaitMS(uint16_t ms);
70extern void ResetTicks();
71extern void ResetTimer(AT91PS_TC timer);
72extern void StopTicks(void);
73// end iceman's ticks.h
74
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75uint32_t prand();
76
9e13f875 77#endif
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