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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);
37int32_t le24toh (uint8_t data[3]);
38
39void SpinDelay(int ms);
40void SpinDelayUs(int us);
41void LED(int led, int ms);
42void LEDsoff();
43int BUTTON_CLICKED(int ms);
44int BUTTON_HELD(int ms);
45void FormatVersionInformation(char *dst, int len, const char *prefix, void *version_information);
46
47void StartTickCount();
48uint32_t RAMFUNC GetTickCount();
49
50void StartCountUS();
51uint32_t RAMFUNC GetCountUS();
52uint32_t RAMFUNC GetDeltaCountUS();
53
54void StartCountSspClk();
55uint32_t RAMFUNC GetCountSspClk();
56
57#endif
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