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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 | ||
17 | #define RAMFUNC __attribute((long_call, section(".ramfunc"))) | |
18 | ||
19 | #define BYTEx(x, n) (((x) >> (n * 8)) & 0xff ) | |
20 | #define MIN(a, b) (((a) < (b)) ? (a) : (b)) | |
21 | #define MAX(a, b) (((a) > (b)) ? (a) : (b)) | |
22 | ||
23 | #define LED_RED 1 | |
24 | #define LED_ORANGE 2 | |
25 | #define LED_GREEN 4 | |
26 | #define LED_RED2 8 | |
27 | #define BUTTON_HOLD 1 | |
28 | #define BUTTON_NO_CLICK 0 | |
29 | #define BUTTON_SINGLE_CLICK -1 | |
30 | #define BUTTON_DOUBLE_CLICK -2 | |
31 | #define BUTTON_ERROR -99 | |
32 | ||
33 | uint32_t SwapBits(uint32_t value, int nrbits); | |
34 | void num_to_bytes(uint64_t n, size_t len, uint8_t* dest); | |
35 | uint64_t bytes_to_num(uint8_t* src, size_t len); | |
36 | ||
37 | void SpinDelay(int ms); | |
38 | void SpinDelayUs(int us); | |
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 | void StartTickCount(); | |
46 | uint32_t RAMFUNC GetTickCount(); | |
47 | ||
48 | void StartCountUS(); | |
49 | uint32_t RAMFUNC GetCountUS(); | |
50 | uint32_t RAMFUNC GetDeltaCountUS(); | |
51 | ||
52 | #endif |