more adaptations

This commit is contained in:
iceman1001 2017-07-27 22:05:54 +02:00
parent 76e3ee838d
commit a797314dab
7 changed files with 90 additions and 71 deletions

View file

@ -14,9 +14,13 @@
#include "ui.h"
#include "graph.h"
#include "lfdemod.h"
#include "cmddata.h" //for g_debugmode
int GraphBuffer[MAX_GRAPH_TRACE_LEN];
int GraphTraceLen;
int s_Buff[MAX_GRAPH_TRACE_LEN];
/* write a manchester bit to the graph */
void AppendGraph(int redraw, int clock, int bit)
{
@ -46,16 +50,19 @@ int ClearGraph(int redraw)
void save_restoreGB(uint8_t saveOpt)
{
static int SavedGB[MAX_GRAPH_TRACE_LEN];
static int SavedGBlen;
static int SavedGBlen=0;
static bool GB_Saved = false;
static int SavedGridOffsetAdj=0;
if (saveOpt==1) { //save
if (saveOpt == GRAPH_SAVE) { //save
memcpy(SavedGB, GraphBuffer, sizeof(GraphBuffer));
SavedGBlen = GraphTraceLen;
GB_Saved=true;
SavedGridOffsetAdj = GridOffset;
} else if (GB_Saved){ //restore
memcpy(GraphBuffer, SavedGB, sizeof(GraphBuffer));
GraphTraceLen = SavedGBlen;
GridOffset = SavedGridOffsetAdj;
RepaintGraphWindow();
}
return;
@ -147,7 +154,6 @@ int GetAskClock(const char str[], bool printAns, bool verbose)
if (printAns)
PrintAndLog("Auto-detected clock rate: %d, Best Starting Position: %d", clock, start);
SetGraphClock(clock, start);
return clock;
}
@ -190,7 +196,6 @@ int GetPskClock(const char str[], bool printAns, bool verbose)
if (printAns)
PrintAndLog("Auto-detected clock rate: %d, Best Starting Position: %d", clock, start);
SetGraphClock(clock, start);
return clock;
}
@ -217,7 +222,6 @@ uint8_t GetNrzClock(const char str[], bool printAns, bool verbose)
if (printAns)
PrintAndLog("Auto-detected clock rate: %d, Best Starting Position: %d", clock, start);
SetGraphClock(clock, start);
return clock;
}
//by marshmellow
@ -263,9 +267,6 @@ uint8_t fskClocks(uint8_t *fc1, uint8_t *fc2, uint8_t *rf1, bool verbose)
if (verbose || g_debugMode) PrintAndLog("DEBUG: Clock detect error");
return 0;
}
if (verbose || g_debugMode)
PrintAndLog("Detected Field Clocks: FC/%d, FC/%d - Bit Clock: RF/%d | Best Starting Position: %d", *fc1, *fc2, *rf1, start);
SetGraphClock(*rf1, start);
return 1;
}

View file

@ -31,7 +31,11 @@ void DetectHighLowInGraph(int *high, int *low, bool addFuzz);
// Max graph trace len: 40000 (bigbuf) * 8 (at 1 bit per sample)
#define MAX_GRAPH_TRACE_LEN (40000 * 8 )
#define GRAPH_SAVE 1
#define GRAPH_RESTORE 0
extern int GraphBuffer[MAX_GRAPH_TRACE_LEN];
extern int GraphTraceLen;
extern int s_Buff[MAX_GRAPH_TRACE_LEN];
#endif

View file

@ -11,13 +11,14 @@
#include "ui.h"
// set QT vars
double CursorScaleFactor;
int PlotGridX, PlotGridY, PlotGridXdefault = 64, PlotGridYdefault = 64, CursorCPos = 0, CursorDPos = 0;
int PlotClock = 0, PlockClockStartIndex = 0;
double CursorScaleFactor = 1;
int PlotGridX=0, PlotGridY=0, PlotGridXdefault= 64, PlotGridYdefault= 64, CursorCPos= 0, CursorDPos= 0;
int offline;
int flushAfterWrite = 0;
int flushAfterWrite = 0; //buzzy
int GridOffset = 0;
bool GridLocked = false;
bool showDemod = true;
extern pthread_mutex_t print_lock;
static char *logfilename = "proxmark3.log";
@ -29,9 +30,6 @@ void PrintAndLog(char *fmt, ...)
va_list argptr, argptr2;
static FILE *logfile = NULL;
static int logging = 1;
// time_t current_time;
// struct tm* tm_info;
// char buffer[26] = {0};
// lock this section to avoid interlacing prints from different threads
pthread_mutex_lock(&print_lock);
@ -44,6 +42,8 @@ void PrintAndLog(char *fmt, ...)
}
}
#ifdef RL_STATE_READCMD
// We are using GNU readline.
int need_hack = (rl_readline_state & RL_STATE_READCMD) > 0;
if (need_hack) {
@ -53,6 +53,10 @@ void PrintAndLog(char *fmt, ...)
rl_replace_line("", 0);
rl_redisplay();
}
#else
// We are using libedit (OSX), which doesn't support this flag.
int need_hack = 0;
#endif
va_start(argptr, fmt);
va_copy(argptr2, argptr);
@ -70,16 +74,6 @@ void PrintAndLog(char *fmt, ...)
}
if (logging && logfile) {
/*
// Obtain current time.
current_time = time(NULL);
// Convert to local time format.
tm_info = localtime(&current_time);
strftime(buffer, 26, "%Y-%m-%d %H:%M:%S", tm_info);
fprintf(logfile, "%s ", buffer);
*/
vfprintf(logfile, fmt, argptr2);
fprintf(logfile,"\n");
fflush(logfile);

View file

@ -16,18 +16,12 @@
#include <stdlib.h>
#include <stdio.h>
#include <stdbool.h>
#include <stdint.h>
#include <readline/readline.h>
#include <pthread.h>
#include <math.h>
#include <math.h>
#include <complex.h>
// Handle platform specific includes
#ifndef _WIN32
#include <sys/time.h>
#else
#include <time.h>
#include <windows.h>
#endif
#include "loclass/cipherutils.h"
#include "util.h"
@ -45,10 +39,11 @@ void PrintAndLog(char *fmt, ...);
void SetLogFilename(char *fn);
extern double CursorScaleFactor;
extern int PlotGridX, PlotGridY, PlotGridXdefault, PlotGridYdefault, CursorCPos, CursorDPos;
extern int PlotClock, PlockClockStartIndex;
extern int PlotGridX, PlotGridY, PlotGridXdefault, PlotGridYdefault, CursorCPos, CursorDPos, GridOffset;
extern int offline;
extern int flushAfterWrite; //buzzy
extern bool GridLocked;
extern bool showDemod;
void iceIIR_Butterworth(int * data, const size_t len);
void iceSimple_Filter(int *data, const size_t len, uint8_t k);

View file

@ -69,7 +69,7 @@ endif
#COMMON_FLAGS += -DHAS_512_FLASH
# Also search prerequisites in the common directory (for usb.c), the fpga directory (for fpga.bit), and the zlib directory
VPATH = . ../common ../fpga ../zlib --/uart
VPATH = . ../common ../common/crapto1 ../fpga ../zlib --/uart
INCLUDES = ../include/proxmark3.h ../include/at91sam7s512.h ../include/config_gpio.h ../include/usb_cmd.h $(APP_INCLUDES)

View file

@ -5,28 +5,55 @@
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
// Low frequency demod/decode commands
// Low frequency demod/decode commands - by marshmellow, holiman, iceman and
// many others who came before
//
// NOTES:
// LF Demod functions are placed here to allow the flexability to use client or
// device side. Most BUT NOT ALL of these functions are currenlty safe for
// device side use currently. (DetectST for example...)
//
// There are likely many improvements to the code that could be made, please
// make suggestions...
//
// we tried to include author comments so any questions could be directed to
// the source.
//
// There are 4 main sections of code below:
// Utilities Section:
// for general utilities used by multiple other functions
// Clock / Bitrate Detection Section:
// for clock detection functions for each modulation
// Modulation Demods &/or Decoding Section:
// for main general modulation demodulating and encoding decoding code.
// Tag format detection section:
// for detection of specific tag formats within demodulated data
//
// marshmellow
//-----------------------------------------------------------------------------
#include <string.h> // for memset, memcmp and size_t
#include "lfdemod.h"
#include <stdint.h> // for uint_32+
#include <stdbool.h> // for bool
#include "parity.h" // for parity test
//un_comment to allow debug print calls when used not on device
//**********************************************************************************************
//---------------------------------Utilities Section--------------------------------------------
//**********************************************************************************************
#define LOWEST_DEFAULT_CLOCK 32
#define FSK_PSK_THRESHOLD 123
//to allow debug print calls when used not on device
void dummy(char *fmt, ...){}
void dummy_sgc (int clock, int startidx) {}
#ifndef ON_DEVICE
# include "ui.h" // plotclock, plotclockstartindex
# include "cmdparser.h"
# include "cmddata.h"
# define prnt PrintAndLog
# define sgc SetGraphClock
void SetGraphClock(int clock, int startidx){
PlotClock = clock;
PlockClockStartIndex = startidx;
}
#else
uint8_t g_debugMode = 0;
# define prnt dummy
# define sgc dummy_sgc
#endif
//test samples are not just noise
@ -49,7 +76,7 @@ int getHiLo(uint8_t *BitStream, size_t size, int *high, int *low, uint8_t fuzzHi
if (BitStream[i] > *high) *high = BitStream[i];
if (BitStream[i] < *low) *low = BitStream[i];
}
if (*high < 123) return -1; // just noise
if (*high < FSK_PSK_THRESHOLD) return -1; // just noise
*high = ((*high-128)*fuzzHi + 12800)/100;
*low = ((*low-128)*fuzzLo + 12800)/100;
return 1;
@ -58,18 +85,12 @@ int getHiLo(uint8_t *BitStream, size_t size, int *high, int *low, uint8_t fuzzHi
// by marshmellow
// pass bits to be tested in bits, length bits passed in bitLen, and parity type (even=0 | odd=1) in pType
// returns 1 if passed
uint8_t parityTest(uint32_t bits, uint8_t bitLen, uint8_t pType)
{
uint8_t ans = 0;
for (uint8_t i = 0; i < bitLen; i++){
ans ^= ((bits >> i) & 1);
}
if (g_debugMode) prnt("DEBUG: ans: %d, ptype: %d, bits: %08X",ans,pType,bits);
return (ans == pType);
bool parityTest(uint32_t bits, uint8_t bitLen, uint8_t pType) {
return oddparity32(bits) ^ pType;
}
//by marshmellow
// takes a array of binary values, start position, length of bits per parity (includes parity bit),
// takes a array of binary values, start position, length of bits per parity (includes parity bit - MAX 32),
// Parity Type (1 for odd; 0 for even; 2 for Always 1's; 3 for Always 0's), and binary Length (length to run)
size_t removeParity(uint8_t *BitStream, size_t startIdx, uint8_t pLen, uint8_t pType, size_t bLen)
{
@ -77,6 +98,7 @@ size_t removeParity(uint8_t *BitStream, size_t startIdx, uint8_t pLen, uint8_t p
size_t j = 0, bitCnt = 0;
for (int word = 0; word < (bLen); word += pLen){
for (int bit=0; bit < pLen; bit++){
if (word+bit >= bLen) break;
parityWd = (parityWd << 1) | BitStream[startIdx+word+bit];
BitStream[j++] = (BitStream[startIdx+word+bit]);
}
@ -328,8 +350,6 @@ int askdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert, int maxErr
if (*invert != 1) *invert = 0;
if (amp==1) askAmp(BinStream, *size);
if (g_debugMode==2) prnt("DEBUG ASK: clk %d, beststart %d, amp %d", *clk, start, amp);
sgc(*clk, start);
uint8_t initLoopMax = 255;
if (initLoopMax > *size) initLoopMax = *size;
@ -446,16 +466,18 @@ uint32_t manchesterEncode2Bytes(uint16_t datain) {
//by marshmellow
//encode binary data into binary manchester
int ManchesterEncode(uint8_t *BitStream, size_t size)
{
size_t modIdx=20000, i=0;
if (size>modIdx) return -1;
//NOTE: BitStream must have triple the size of "size" available in memory to do the swap
int ManchesterEncode(uint8_t *BitStream, size_t size) {
//allow up to 4K out (means BitStream must be at least 2048+4096 to handle the swap)
size = (size>2048) ? 2048 : size;
size_t modIdx = size;
size_t i;
for (size_t idx=0; idx < size; idx++){
BitStream[idx+modIdx++] = BitStream[idx];
BitStream[idx+modIdx++] = BitStream[idx]^1;
}
for (; i<(size*2); i++){
BitStream[i] = BitStream[i+20000];
for (i=0; i<(size*2); i++){
BitStream[i] = BitStream[i+size];
}
return i;
}
@ -910,6 +932,11 @@ uint8_t DetectCleanAskWave(uint8_t dest[], size_t size, uint8_t high, uint8_t lo
}
return allArePeaks;
}
//**********************************************************************************************
//-------------------Clock / Bitrate Detection Section------------------------------------------
//**********************************************************************************************
// by marshmellow
// to help detect clocks on heavily clipped samples
// based on count of low to low
@ -1584,6 +1611,7 @@ uint16_t countFC(uint8_t *BitStream, size_t size, uint8_t fskAdj)
best3=i;
}
if (g_debugMode==2) prnt("DEBUG countfc: FC %u, Cnt %u, best fc: %u, best2 fc: %u",fcLens[i],fcCnts[i],fcLens[best1],fcLens[best2]);
if (fcLens[i]==0) break;
}
if (fcLens[best1]==0) return 0;
uint8_t fcH=0, fcL=0;
@ -1602,7 +1630,7 @@ uint16_t countFC(uint8_t *BitStream, size_t size, uint8_t fskAdj)
uint16_t fcs = (((uint16_t)fcH)<<8) | fcL;
if (fskAdj) return fcs;
return fcLens[best1];
return (uint16_t)fcLens[best2] << 8 | fcLens[best1];
}
//by marshmellow - demodulate PSK1 wave

View file

@ -19,9 +19,6 @@
#include <stdlib.h> // for
//generic
#ifndef ON_DEVICE
void SetGraphClock(int clock, int startidx);
#endif
uint8_t justNoise(uint8_t *bits, size_t size);
size_t addParity(uint8_t *BitSource, uint8_t *dest, uint8_t sourceLen, uint8_t pLen, uint8_t pType);
int askdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert, int maxErr, uint8_t amp, uint8_t askType);
@ -47,7 +44,7 @@ uint32_t manchesterEncode2Bytes(uint16_t datain);
int ManchesterEncode(uint8_t *BitStream, size_t size);
int manrawdecode(uint8_t *BitStream, size_t *size, uint8_t invert);
int nrzRawDemod(uint8_t *dest, size_t *size, int *clk, int *invert);
uint8_t parityTest(uint32_t bits, uint8_t bitLen, uint8_t pType);
extern bool parityTest(uint32_t bits, uint8_t bitLen, uint8_t pType);
bool preambleSearch(uint8_t *BitStream, uint8_t *preamble, size_t pLen, size_t *size, size_t *startIdx);
bool preambleSearchEx(uint8_t *BitStream, uint8_t *preamble, size_t pLen, size_t *size, size_t *startIdx, bool findone);
int pskRawDemod(uint8_t dest[], size_t *size, int *clock, int *invert);