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 #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 SpinDelay(int ms);
  40 void SpinDelayUs(int us);
  41 void LED(int led, int ms);
  42 void LEDsoff();
  43 int BUTTON_CLICKED(int ms);
  44 int BUTTON_HELD(int ms);
  45 void FormatVersionInformation(char *dst, int len, const char *prefix, void *version_information);
  46 // @deprecated
  47 void iso14a_clear_trace();
  48 // @deprecated
  49 void iso14a_set_tracing(bool enable);
  50 void clear_trace();
  51 void set_tracing(bool enable);
  52
  53 // The function LogTrace() is also used by the iClass implementation in iclass.c and both iso14443a, iso14443b and mifare
  54 bool RAMFUNC LogTrace(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_start, uint32_t timestamp_end, uint8_t *parity, bool readerToTag);
  55
  56 void StartTickCount();
  57 uint32_t RAMFUNC GetTickCount();
  58
  59 void StartCountUS();
  60 uint32_t RAMFUNC GetCountUS();
  61 uint32_t RAMFUNC GetDeltaCountUS();
  62
  63 void StartCountSspClk();
  64 uint32_t RAMFUNC GetCountSspClk();
  65
  66 #endif