git.zerfleddert.de Git - proxmark3-svn/blob - armsrc/util.h

   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)) ? (b) : (a))
  21
  22 #define LED_RED 1
  23 #define LED_ORANGE 2
  24 #define LED_GREEN 4
  25 #define LED_RED2 8
  26 #define BUTTON_HOLD 1
  27 #define BUTTON_NO_CLICK 0
  28 #define BUTTON_SINGLE_CLICK -1
  29 #define BUTTON_DOUBLE_CLICK -2
  30 #define BUTTON_ERROR -99
  31
  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
  36 void SpinDelay(int ms);
  37 void SpinDelayUs(int us);
  38 void LED(int led, int ms);
  39 void LEDsoff();
  40 int BUTTON_CLICKED(int ms);
  41 int BUTTON_HELD(int ms);
  42 void FormatVersionInformation(char *dst, int len, const char *prefix, void *version_information);
  43
  44 void StartTickCount();
  45 uint32_t RAMFUNC GetTickCount();
  46
  47 void StartCountUS();
  48 uint32_t RAMFUNC GetCountUS();
  49 uint32_t RAMFUNC GetDeltaCountUS();
  50
  51 #endif