code cleanup. re-added psk commands.

also fixed a bug in detect clock functions.
sync with master prep for pull request
This commit is contained in:
marshmellow42
2015-01-06 23:29:45 -05:00
parent 9269081341
commit a6293168da
7 changed files with 4141 additions and 3806 deletions
+1365 -1373
View File
File diff suppressed because it is too large Load Diff
+1202 -1200
View File
File diff suppressed because it is too large Load Diff
+494 -494
View File
File diff suppressed because it is too large Load Diff
+162 -162
View File
@@ -20,61 +20,61 @@ int GraphTraceLen;
/* write a bit to the graph */
void AppendGraph(int redraw, int clock, int bit)
{
int i;
int i;
for (i = 0; i < (int)(clock / 2); ++i)
GraphBuffer[GraphTraceLen++] = bit ^ 1;
for (i = (int)(clock / 2); i < clock; ++i)
GraphBuffer[GraphTraceLen++] = bit;
for (i = 0; i < (int)(clock / 2); ++i)
GraphBuffer[GraphTraceLen++] = bit ^ 1;
if (redraw)
RepaintGraphWindow();
for (i = (int)(clock / 2); i < clock; ++i)
GraphBuffer[GraphTraceLen++] = bit;
if (redraw)
RepaintGraphWindow();
}
/* clear out our graph window */
int ClearGraph(int redraw)
{
int gtl = GraphTraceLen;
GraphTraceLen = 0;
int gtl = GraphTraceLen;
GraphTraceLen = 0;
if (redraw)
RepaintGraphWindow();
if (redraw)
RepaintGraphWindow();
return gtl;
return gtl;
}
/*
* Detect clock rate
*/
//decommissioned - has difficulty detecting rf/32
//decommissioned - has difficulty detecting rf/32
/*
int DetectClockOld(int peak)
{
int i;
int clock = 0xFFFF;
int lastpeak = 0;
int i;
int clock = 0xFFFF;
int lastpeak = 0;
// Detect peak if we don't have one
if (!peak)
for (i = 0; i < GraphTraceLen; ++i)
if (GraphBuffer[i] > peak)
peak = GraphBuffer[i];
// Detect peak if we don't have one
if (!peak)
for (i = 0; i < GraphTraceLen; ++i)
if (GraphBuffer[i] > peak)
peak = GraphBuffer[i];
// peak=(int)(peak*.75);
for (i = 1; i < GraphTraceLen; ++i)
{
// If this is the beginning of a peak
if (GraphBuffer[i - 1] != GraphBuffer[i] && GraphBuffer[i] >= peak)
{
// Find lowest difference between peaks
if (lastpeak && i - lastpeak < clock)
clock = i - lastpeak;
lastpeak = i;
}
}
for (i = 1; i < GraphTraceLen; ++i)
{
// If this is the beginning of a peak
if (GraphBuffer[i - 1] != GraphBuffer[i] && GraphBuffer[i] >= peak)
{
// Find lowest difference between peaks
if (lastpeak && i - lastpeak < clock)
clock = i - lastpeak;
lastpeak = i;
}
}
return clock;
return clock;
}
*/
/*
@@ -85,155 +85,155 @@ NOW IN LFDEMOD.C
// maybe somehow adjust peak trimming value based on samples to fix?
int DetectASKClock(int peak)
{
int i=0;
int low=0;
int clk[]={16,32,40,50,64,100,128,256};
int loopCnt = 256;
if (GraphTraceLen<loopCnt) loopCnt = GraphTraceLen;
if (!peak){
for (i=0;i<loopCnt;++i){
if(GraphBuffer[i]>peak){
peak = GraphBuffer[i];
}
if(GraphBuffer[i]<low){
low = GraphBuffer[i];
}
}
peak=(int)(peak*.75);
low= (int)(low*.75);
}
int ii;
int clkCnt;
int tol = 0;
int bestErr=1000;
int errCnt[]={0,0,0,0,0,0,0,0};
for(clkCnt=0; clkCnt<6;++clkCnt){
if (clk[clkCnt]==32){
tol=1;
}else{
tol=0;
}
bestErr=1000;
for (ii=0; ii<loopCnt; ++ii){
if ((GraphBuffer[ii]>=peak) || (GraphBuffer[ii]<=low)){
errCnt[clkCnt]=0;
for (i=0; i<((int)(GraphTraceLen/clk[clkCnt])-1); ++i){
if (GraphBuffer[ii+(i*clk[clkCnt])]>=peak || GraphBuffer[ii+(i*clk[clkCnt])]<=low){
}else if(GraphBuffer[ii+(i*clk[clkCnt])-tol]>=peak || GraphBuffer[ii+(i*clk[clkCnt])-tol]<=low){
}else if(GraphBuffer[ii+(i*clk[clkCnt])+tol]>=peak || GraphBuffer[ii+(i*clk[clkCnt])+tol]<=low){
}else{ //error no peak detected
errCnt[clkCnt]++;
}
}
if(errCnt[clkCnt]==0) return clk[clkCnt];
if(errCnt[clkCnt]<bestErr) bestErr=errCnt[clkCnt];
}
}
}
int iii=0;
int best=0;
for (iii=0; iii<6;++iii){
if (errCnt[iii]<errCnt[best]){
best = iii;
}
}
// PrintAndLog("DEBUG: clkCnt: %d, ii: %d, i: %d peak: %d, low: %d, errcnt: %d, errCnt64: %d",clkCnt,ii,i,peak,low,errCnt[best],errCnt[4]);
return clk[best];
int i=0;
int low=0;
int clk[]={16,32,40,50,64,100,128,256};
int loopCnt = 256;
if (GraphTraceLen<loopCnt) loopCnt = GraphTraceLen;
if (!peak){
for (i=0;i<loopCnt;++i){
if(GraphBuffer[i]>peak){
peak = GraphBuffer[i];
}
if(GraphBuffer[i]<low){
low = GraphBuffer[i];
}
}
peak=(int)(peak*.75);
low= (int)(low*.75);
}
int ii;
int clkCnt;
int tol = 0;
int bestErr=1000;
int errCnt[]={0,0,0,0,0,0,0,0};
for(clkCnt=0; clkCnt<6;++clkCnt){
if (clk[clkCnt]==32){
tol=1;
}else{
tol=0;
}
bestErr=1000;
for (ii=0; ii<loopCnt; ++ii){
if ((GraphBuffer[ii]>=peak) || (GraphBuffer[ii]<=low)){
errCnt[clkCnt]=0;
for (i=0; i<((int)(GraphTraceLen/clk[clkCnt])-1); ++i){
if (GraphBuffer[ii+(i*clk[clkCnt])]>=peak || GraphBuffer[ii+(i*clk[clkCnt])]<=low){
}else if(GraphBuffer[ii+(i*clk[clkCnt])-tol]>=peak || GraphBuffer[ii+(i*clk[clkCnt])-tol]<=low){
}else if(GraphBuffer[ii+(i*clk[clkCnt])+tol]>=peak || GraphBuffer[ii+(i*clk[clkCnt])+tol]<=low){
}else{ //error no peak detected
errCnt[clkCnt]++;
}
}
if(errCnt[clkCnt]==0) return clk[clkCnt];
if(errCnt[clkCnt]<bestErr) bestErr=errCnt[clkCnt];
}
}
}
int iii=0;
int best=0;
for (iii=0; iii<6;++iii){
if (errCnt[iii]<errCnt[best]){
best = iii;
}
}
// PrintAndLog("DEBUG: clkCnt: %d, ii: %d, i: %d peak: %d, low: %d, errcnt: %d, errCnt64: %d",clkCnt,ii,i,peak,low,errCnt[best],errCnt[4]);
return clk[best];
}
*/
void setGraphBuf(uint8_t *buff,int size)
void setGraphBuf(uint8_t *buff, size_t size)
{
int i=0;
ClearGraph(0);
for (; i < size; ++i){
GraphBuffer[i]=buff[i]-128;
}
GraphTraceLen=size;
RepaintGraphWindow();
return;
int i=0;
ClearGraph(0);
for (; i < size; ++i){
GraphBuffer[i]=buff[i]-128;
}
GraphTraceLen=size;
RepaintGraphWindow();
return;
}
int getFromGraphBuf(uint8_t *buff)
size_t getFromGraphBuf(uint8_t *buff)
{
uint32_t i;
for (i=0;i<GraphTraceLen;++i){
if (GraphBuffer[i]>127) GraphBuffer[i]=127; //trim
if (GraphBuffer[i]<-127) GraphBuffer[i]=-127; //trim
buff[i]=(uint8_t)(GraphBuffer[i]+128);
}
return i;
uint32_t i;
for (i=0;i<GraphTraceLen;++i){
if (GraphBuffer[i]>127) GraphBuffer[i]=127; //trim
if (GraphBuffer[i]<-127) GraphBuffer[i]=-127; //trim
buff[i]=(uint8_t)(GraphBuffer[i]+128);
}
return i;
}
/* Get or auto-detect clock rate */
int GetClock(const char *str, int peak, int verbose)
{
int clock;
int clock;
// int clock2;
sscanf(str, "%i", &clock);
if (!strcmp(str, ""))
clock = 0;
sscanf(str, "%i", &clock);
if (!strcmp(str, ""))
clock = 0;
/* Auto-detect clock */
if (!clock)
{
uint8_t grph[MAX_GRAPH_TRACE_LEN]={0};
int size = getFromGraphBuf(grph);
clock = DetectASKClock(grph,size,0);
//clock2 = DetectClock2(peak);
/* Only print this message if we're not looping something */
if (!verbose){
PrintAndLog("Auto-detected clock rate: %d", clock);
//PrintAndLog("clock2: %d",clock2);
}
}
/* Auto-detect clock */
if (!clock)
{
uint8_t grph[MAX_GRAPH_TRACE_LEN]={0};
size_t size = getFromGraphBuf(grph);
clock = DetectASKClock(grph,size,0);
//clock2 = DetectClock2(peak);
/* Only print this message if we're not looping something */
if (!verbose){
PrintAndLog("Auto-detected clock rate: %d", clock);
//PrintAndLog("clock2: %d",clock2);
}
}
return clock;
return clock;
}
int GetNRZpskClock(const char *str, int peak, int verbose)
{
// return GetClock(str,peak,verbose);
int clock;
// int clock2;
sscanf(str, "%i", &clock);
if (!strcmp(str, ""))
clock = 0;
int clock;
// int clock2;
sscanf(str, "%i", &clock);
if (!strcmp(str, ""))
clock = 0;
/* Auto-detect clock */
if (!clock)
{
uint8_t grph[MAX_GRAPH_TRACE_LEN]={0};
int size = getFromGraphBuf(grph);
clock = DetectpskNRZClock(grph,size,0);
//clock2 = DetectClock2(peak);
/* Only print this message if we're not looping something */
if (!verbose){
PrintAndLog("Auto-detected clock rate: %d", clock);
//PrintAndLog("clock2: %d",clock2);
}
}
return clock;
/* Auto-detect clock */
if (!clock)
{
uint8_t grph[MAX_GRAPH_TRACE_LEN]={0};
size_t size = getFromGraphBuf(grph);
clock = DetectpskNRZClock(grph,size,0);
//clock2 = DetectClock2(peak);
/* Only print this message if we're not looping something */
if (!verbose){
PrintAndLog("Auto-detected clock rate: %d", clock);
//PrintAndLog("clock2: %d",clock2);
}
}
return clock;
}
// Get or auto-detect clock rate
// Get or auto-detect clock rate
/*
int GetNRZpskClock(const char *str, int peak, int verbose)
{
int clock;
int clock;
// int clock2;
sscanf(str, "%i", &clock);
if (!strcmp(str, ""))
clock = 0;
sscanf(str, "%i", &clock);
if (!strcmp(str, ""))
clock = 0;
// Auto-detect clock
if (!clock)
{
uint8_t grph[MAX_GRAPH_TRACE_LEN]={0};
int size = getFromGraphBuf(grph);
clock = DetectASKClock(grph,size,0);
//clock2 = DetectClock2(peak);
// Only print this message if we're not looping something
if (!verbose){
PrintAndLog("Auto-detected clock rate: %d", clock);
//PrintAndLog("clock2: %d",clock2);
}
}
return clock;
// Auto-detect clock
if (!clock)
{
uint8_t grph[MAX_GRAPH_TRACE_LEN]={0};
int size = getFromGraphBuf(grph);
clock = DetectASKClock(grph,size,0);
//clock2 = DetectClock2(peak);
// Only print this message if we're not looping something
if (!verbose){
PrintAndLog("Auto-detected clock rate: %d", clock);
//PrintAndLog("clock2: %d",clock2);
}
}
return clock;
}
*/
*/
+2 -2
View File
@@ -15,10 +15,10 @@
void AppendGraph(int redraw, int clock, int bit);
int ClearGraph(int redraw);
//int DetectClock(int peak);
int getFromGraphBuf(uint8_t *buff);
size_t getFromGraphBuf(uint8_t *buff);
int GetClock(const char *str, int peak, int verbose);
int GetNRZpskClock(const char *str, int peak, int verbose);
void setGraphBuf(uint8_t *buff,int size);
void setGraphBuf(uint8_t *buff, size_t size);
#define MAX_GRAPH_TRACE_LEN (1024*128)
extern int GraphBuffer[MAX_GRAPH_TRACE_LEN];
+905 -568
View File
File diff suppressed because it is too large Load Diff
+11 -7
View File
@@ -1,4 +1,4 @@
// Copyright (C) 2014
// Copyright (C) 2014
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
@@ -12,14 +12,18 @@
#include <stdint.h>
int DetectASKClock(uint8_t dest[], size_t size, int clock);
int askmandemod(uint8_t *BinStream,uint32_t *BitLen,int *clk, int *invert);
uint64_t Em410xDecode(uint8_t *BitStream,uint32_t BitLen);
int manrawdecode(uint8_t *BitStream, int *bitLen);
int BiphaseRawDecode(uint8_t * BitStream, int *bitLen, int offset);
int askrawdemod(uint8_t *BinStream, int *bitLen,int *clk, int *invert);
int askmandemod(uint8_t *BinStream, size_t *size, int *clk, int *invert);
uint64_t Em410xDecode(uint8_t *BitStream,size_t size);
int manrawdecode(uint8_t *BitStream, size_t *size);
int BiphaseRawDecode(uint8_t * BitStream, size_t *size, int offset);
int askrawdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert);
int HIDdemodFSK(uint8_t *dest, size_t size, uint32_t *hi2, uint32_t *hi, uint32_t *lo);
int IOdemodFSK(uint8_t *dest, size_t size);
int fskdemod(uint8_t *dest, size_t size, uint8_t rfLen, uint8_t invert, uint8_t fchigh, uint8_t fclow);
uint32_t bytebits_to_byte(uint8_t* src, int numbits);
uint32_t bytebits_to_byte(uint8_t* src, size_t numbits);
int pskNRZrawDemod(uint8_t *dest, size_t *size, int *clk, int *invert);
int DetectpskNRZClock(uint8_t dest[], size_t size, int clock);
int indala26decode(uint8_t *bitStream, size_t *size, uint8_t *invert);
void pskCleanWave(uint8_t *bitStream, size_t size);
#endif