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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
30 void print_result(char *name, uint8_t *buf, size_t len);
31 size_t nbytes(size_t nbits);
32 uint32_t SwapBits(uint32_t value, int nrbits);
33 void num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
34 uint64_t bytes_to_num(uint8_t* src, size_t len);
35 void rol(uint8_t *data, const size_t len);
36 void lsl (uint8_t *data, size_t len);
37 int32_t le24toh (uint8_t data[3]);
38
39 void LED(int led, int ms);
40 void LEDsoff();
41 int BUTTON_CLICKED(int ms);
42 int BUTTON_HELD(int ms);
43 void FormatVersionInformation(char *dst, int len, const char *prefix, void *version_information);
44
45 //iceman's ticks.h
46 #ifndef GET_TICKS
47 # define GET_TICKS (uint32_t)((AT91C_BASE_TC1->TC_CV << 16) | AT91C_BASE_TC0->TC_CV)
48 #endif
49
50 void SpinDelay(int ms);
51 void SpinDelayUs(int us);
52
53 void StartTickCount();
54 uint32_t RAMFUNC GetTickCount();
55
56 void StartCountUS();
57 uint32_t RAMFUNC GetCountUS();
58 uint32_t RAMFUNC GetDeltaCountUS();
59
60 void StartCountSspClk();
61 void ResetSspClk(void);
62 uint32_t RAMFUNC GetCountSspClk();
63
64 extern void StartTicks(void);
65 extern void WaitTicks(uint32_t ticks);
66 extern void WaitUS(uint16_t us);
67 extern void WaitMS(uint16_t ms);
68 extern void ResetTicks();
69 extern void ResetTimer(AT91PS_TC timer);
70 extern void StopTicks(void);
71 // end iceman's ticks.h
72
73 uint32_t prand();
74
75 #endif
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