uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN];
uint8_t g_debugMode=0;
size_t DemodBufferLen=0;
+int g_DemodStartIdx=0;
+int g_DemodClock=0;
static int CmdHelp(const char *Cmd);
return 0;
}
if (verbose || g_debugMode) PrintAndLog("\nUsing Clock:%d, Invert:%d, Bits Found:%d",clk,invert,BitLen);
-
//output
setDemodBuf(BitStream,BitLen,0);
setClockGrid(clk, startIdx);
}
bool st = true;
if (Cmd[0]=='s')
- return ASKDemod_ext(Cmd++, true, true, 1, &st);
+ return ASKDemod_ext(Cmd++, true, false, 1, &st);
else if (Cmd[1] == 's')
- return ASKDemod_ext(Cmd+=2, true, true, 1, &st);
+ return ASKDemod_ext(Cmd+=2, true, false, 1, &st);
else
- return ASKDemod(Cmd, true, true, 1);
+ return ASKDemod(Cmd, true, false, 1);
}
//by marshmellow
uint8_t BitStream[MAX_DEMOD_BUF_LEN]={0};
size = sizeof(BitStream);
if ( !getDemodBuf(BitStream, &size) ) return 0;
- errCnt=BiphaseRawDecode(BitStream, &size, offset, invert);
+ errCnt=BiphaseRawDecode(BitStream, &size, &offset, invert);
if (errCnt<0){
PrintAndLog("Error during decode:%d", errCnt);
return 0;
if (errCnt>0){
PrintAndLog("# Errors found during Demod (shown as 7 in bit stream): %d",errCnt);
}
+
PrintAndLog("Biphase Decoded using offset: %d - # invert:%d - data:",offset,invert);
PrintAndLog("%s", sprint_bin_break(BitStream, size, 16));
if (offset) setDemodBuf(DemodBuffer,DemodBufferLen-offset, offset); //remove first bit from raw demod
+ setClockGrid(g_DemodClock, g_DemodStartIdx + g_DemodClock*offset/2);
return 1;
}
sscanf(Cmd, "%i %i %i %i", &offset, &clk, &invert, &maxErr);
uint8_t BitStream[MAX_GRAPH_TRACE_LEN];
- size_t size = getFromGraphBuf(BitStream);
+ size_t size = getFromGraphBuf(BitStream);
+ int startIdx = 0;
//invert here inverts the ask raw demoded bits which has no effect on the demod, but we need the pointer
- int errCnt = askdemod(BitStream, &size, &clk, &invert, maxErr, 0, 0);
+ int errCnt = askdemod_ext(BitStream, &size, &clk, &invert, maxErr, 0, 0, &startIdx);
if ( errCnt < 0 || errCnt > maxErr ) {
if (g_debugMode) PrintAndLog("DEBUG: no data or error found %d, clock: %d", errCnt, clk);
return 0;
- }
+ }
//attempt to Biphase decode BitStream
- errCnt = BiphaseRawDecode(BitStream, &size, offset, invert);
+ errCnt = BiphaseRawDecode(BitStream, &size, &offset, invert);
if (errCnt < 0){
if (g_debugMode || verbose) PrintAndLog("Error BiphaseRawDecode: %d", errCnt);
return 0;
- }
+ }
if (errCnt > maxErr) {
if (g_debugMode || verbose) PrintAndLog("Error BiphaseRawDecode too many errors: %d", errCnt);
return 0;
}
//success set DemodBuffer and return
setDemodBuf(BitStream, size, 0);
+ setClockGrid(clk, startIdx + clk*offset/2);
if (g_debugMode || verbose){
PrintAndLog("Biphase Decoded using offset: %d - clock: %d - # errors:%d - data:",offset,clk,errCnt);
printDemodBuff();
return ASKDemod(Cmd, true, false, 0);
}
-int AutoCorrelate(int window, bool SaveGrph, bool verbose)
+int AutoCorrelate(const int *in, int *out, size_t len, int window, bool SaveGrph, bool verbose)
{
static int CorrelBuffer[MAX_GRAPH_TRACE_LEN];
size_t Correlation = 0;
int maxSum = 0;
int lastMax = 0;
if (verbose) PrintAndLog("performing %d correlations", GraphTraceLen - window);
- for (int i = 0; i < GraphTraceLen - window; ++i) {
+ for (int i = 0; i < len - window; ++i) {
int sum = 0;
for (int j = 0; j < window; ++j) {
- sum += (GraphBuffer[j]*GraphBuffer[i + j]) / 256;
+ sum += (in[j]*in[i + j]) / 256;
}
CorrelBuffer[i] = sum;
- if (sum >= maxSum-100 && sum <= maxSum+100){
+ if (sum >= maxSum-100 && sum <= maxSum+100) {
//another max
Correlation = i-lastMax;
lastMax = i;
if (sum > maxSum) maxSum = sum;
- } else if (sum > maxSum){
+ } else if (sum > maxSum) {
maxSum=sum;
lastMax = i;
}
}
- if (Correlation==0){
+ if (Correlation==0) {
//try again with wider margin
- for (int i = 0; i < GraphTraceLen - window; i++){
- if (CorrelBuffer[i] >= maxSum-(maxSum*0.05) && CorrelBuffer[i] <= maxSum+(maxSum*0.05)){
+ for (int i = 0; i < len - window; i++) {
+ if (CorrelBuffer[i] >= maxSum-(maxSum*0.05) && CorrelBuffer[i] <= maxSum+(maxSum*0.05)) {
//another max
Correlation = i-lastMax;
lastMax = i;
- //if (CorrelBuffer[i] > maxSum) maxSum = sum;
}
}
}
if (verbose && Correlation > 0) PrintAndLog("Possible Correlation: %d samples",Correlation);
- if (SaveGrph){
- GraphTraceLen = GraphTraceLen - window;
- memcpy(GraphBuffer, CorrelBuffer, GraphTraceLen * sizeof (int));
+ if (SaveGrph) {
+ //GraphTraceLen = GraphTraceLen - window;
+ memcpy(out, CorrelBuffer, len * sizeof(int));
RepaintGraphWindow();
}
return Correlation;
return 0;
}
if (grph == 'g') updateGrph=true;
- return AutoCorrelate(window, updateGrph, true);
+ return AutoCorrelate(GraphBuffer, GraphBuffer, GraphTraceLen, window, updateGrph, true);
}
int CmdBitsamples(const char *Cmd)
return 0;
}
+int AskEdgeDetect(const int *in, int *out, int len, int threshold) {
+ int Last = 0;
+ for(int i = 1; i<len; i++) {
+ if (in[i]-in[i-1] >= threshold) //large jump up
+ Last = 127;
+ else if(in[i]-in[i-1] <= -1 * threshold) //large jump down
+ Last = -127;
+ out[i-1] = Last;
+ }
+ return 0;
+}
+
//by marshmellow
//use large jumps in read samples to identify edges of waves and then amplify that wave to max
//similar to dirtheshold, threshold commands
int CmdAskEdgeDetect(const char *Cmd)
{
int thresLen = 25;
- int Last = 0;
+ int ans = 0;
sscanf(Cmd, "%i", &thresLen);
- for(int i = 1; i<GraphTraceLen; i++){
- if (GraphBuffer[i]-GraphBuffer[i-1]>=thresLen) //large jump up
- Last = 127;
- else if(GraphBuffer[i]-GraphBuffer[i-1]<=-1*thresLen) //large jump down
- Last = -127;
- GraphBuffer[i-1] = Last;
- }
+ ans = AskEdgeDetect(GraphBuffer, GraphBuffer, GraphTraceLen, thresLen);
RepaintGraphWindow();
- return 0;
+ return ans;
}
/* Print our clock rate */
if (size > 0) {
setDemodBuf(BitStream,size,0);
setClockGrid(rfLen, startIdx);
-
- // Now output the bitstream to the scrollback by line of 16 bits
+
- // Now output the bitstream to the scrollback by line of 16 bits
++ // Now output the bitstream to the scrollback by line of 16 bits
if (verbose || g_debugMode) {
PrintAndLog("\nUsing Clock:%u, invert:%u, fchigh:%u, fclow:%u", (unsigned int)rfLen, (unsigned int)invert, (unsigned int)fchigh, (unsigned int)fclow);
PrintAndLog("%s decoded bitstream:",GetFSKType(fchigh,fclow,invert));
}
void setClockGrid(int clk, int offset) {
- if (offset > clk) offset %= clk;
+ g_DemodStartIdx = offset;
+ g_DemodClock = clk;
+ if (g_debugMode) PrintAndLog("demodoffset %d, clk %d",offset,clk);
- if (offset > clk) offset %= clk;
++
++ if (offset > clk) offset %= clk;
if (offset < 0) offset += clk;
if (offset > GraphTraceLen || offset < 0) return;
GraphTraceLen = n;
}
+ setClockGrid(0,0);
RepaintGraphWindow();
return 0;
}
}
fclose(f);
PrintAndLog("loaded %d samples", GraphTraceLen);
+ setClockGrid(0,0);
RepaintGraphWindow();
return 0;
}
return 0;
}
-int CmdDirectionalThreshold(const char *Cmd)
+int directionalThreshold(const int* in, int *out, size_t len, int8_t up, int8_t down)
{
- int8_t upThres = param_get8(Cmd, 0);
- int8_t downThres = param_get8(Cmd, 1);
-
- printf("Applying Up Threshold: %d, Down Threshold: %d\n", upThres, downThres);
+ int lastValue = in[0];
+ out[0] = 0; // Will be changed at the end, but init 0 as we adjust to last samples value if no threshold kicks in.
- int lastValue = GraphBuffer[0];
- GraphBuffer[0] = 0; // Will be changed at the end, but init 0 as we adjust to last samples value if no threshold kicks in.
-
- for (int i = 1; i < GraphTraceLen; ++i) {
+ for (int i = 1; i < len; ++i) {
// Apply first threshold to samples heading up
- if (GraphBuffer[i] >= upThres && GraphBuffer[i] > lastValue)
+ if (in[i] >= up && in[i] > lastValue)
{
- lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.
- GraphBuffer[i] = 127;
+ lastValue = out[i]; // Buffer last value as we overwrite it.
+ out[i] = 1;
}
// Apply second threshold to samples heading down
- else if (GraphBuffer[i] <= downThres && GraphBuffer[i] < lastValue)
+ else if (in[i] <= down && in[i] < lastValue)
{
- lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.
- GraphBuffer[i] = -127;
+ lastValue = out[i]; // Buffer last value as we overwrite it.
+ out[i] = -1;
}
else
{
- lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.
- GraphBuffer[i] = GraphBuffer[i-1];
-
+ lastValue = out[i]; // Buffer last value as we overwrite it.
+ out[i] = out[i-1];
}
}
- GraphBuffer[0] = GraphBuffer[1]; // Aline with first edited sample.
+ out[0] = out[1]; // Align with first edited sample.
+ return 0;
+}
+
+int CmdDirectionalThreshold(const char *Cmd)
+{
+ int8_t upThres = param_get8(Cmd, 0);
+ int8_t downThres = param_get8(Cmd, 1);
+
+ printf("Applying Up Threshold: %d, Down Threshold: %d\n", upThres, downThres);
+
+ directionalThreshold(GraphBuffer, GraphBuffer,GraphTraceLen, upThres, downThres);
RepaintGraphWindow();
return 0;
}
//-----------------------------------------------------------------------------
// GUI (QT)
//-----------------------------------------------------------------------------
+ #include "proxguiqt.h"
#include <iostream>
#include <QPainterPath>
#include <math.h>
#include <limits.h>
#include <stdio.h>
+#include <QSlider>
+#include <QHBoxLayout>
+#include <string.h>
+#include "proxguiqt.h"
#include "proxgui.h"
+#include <QtGui>
+//#include <ctime>
+
int startMax;
int PageWidth;
ProxGuiQT::~ProxGuiQT(void)
{
if (plotwidget) {
+ //plotwidget->close();
delete plotwidget;
plotwidget = NULL;
}
}
}
-void ProxWidget::paintEvent(QPaintEvent *event)
+//--------------------
+void ProxWidget::applyOperation()
{
- QPainter painter(this);
- QPainterPath penPath, whitePath, greyPath, lightgreyPath, cursorAPath, cursorBPath, cursorCPath, cursorDPath;
- QRect r;
- QBrush brush(QColor(100, 255, 100));
- QPen pen(QColor(100, 255, 100));
+ printf("ApplyOperation()");
+ save_restoreGB(1);
+ memcpy(GraphBuffer, s_Buff, sizeof(int) * GraphTraceLen);
+ RepaintGraphWindow();
- painter.setFont(QFont("Arial", 10));
+}
+void ProxWidget::stickOperation()
+{
+ save_restoreGB(0);
+ printf("stickOperation()");
+}
+void ProxWidget::vchange_autocorr(int v)
+{
+ int ans;
+ ans = AutoCorrelate(GraphBuffer, s_Buff, GraphTraceLen, v, true, false);
+ printf("vchange_autocorr(w:%d): %d\n", v, ans);
+ RepaintGraphWindow();
+}
+void ProxWidget::vchange_askedge(int v)
+{
+ int ans;
+ //extern int AskEdgeDetect(const int *in, int *out, int len, int threshold);
+ ans = AskEdgeDetect(GraphBuffer, s_Buff, GraphTraceLen, v);
+ printf("vchange_askedge(w:%d)\n", v);
+ RepaintGraphWindow();
+}
+void ProxWidget::vchange_dthr_up(int v)
+{
+ int down = opsController->horizontalSlider_dirthr_down->value();
+ directionalThreshold(GraphBuffer, s_Buff, GraphTraceLen, v, down);
+ printf("vchange_dthr_up(%d)", v);
+ RepaintGraphWindow();
- if(GraphStart < 0) {
- GraphStart = 0;
+}
+void ProxWidget::vchange_dthr_down(int v)
+{
+ printf("vchange_dthr_down(%d)", v);
+ int up = opsController->horizontalSlider_dirthr_up->value();
+ directionalThreshold(GraphBuffer,s_Buff, GraphTraceLen, v, up);
+ RepaintGraphWindow();
+
+}
+ProxWidget::ProxWidget(QWidget *parent, ProxGuiQT *master) : QWidget(parent)
+{
+ this->master = master;
+ resize(800,500);
+
+ /** Setup the controller widget **/
+
+ QWidget* controlWidget = new QWidget();
+ opsController = new Ui::Form();
+ opsController->setupUi(controlWidget);
+ //Due to quirks in QT Designer, we need to fiddle a bit
+ opsController->horizontalSlider_dirthr_down->setMinimum(-128);
+ opsController->horizontalSlider_dirthr_down->setMaximum(0);
+ opsController->horizontalSlider_dirthr_down->setValue(-20);
+
+
+ QObject::connect(opsController->pushButton_apply, SIGNAL(clicked()), this, SLOT(applyOperation()));
+ QObject::connect(opsController->pushButton_sticky, SIGNAL(clicked()), this, SLOT(stickOperation()));
+ QObject::connect(opsController->horizontalSlider_window, SIGNAL(valueChanged(int)), this, SLOT(vchange_autocorr(int)));
+ QObject::connect(opsController->horizontalSlider_dirthr_up, SIGNAL(valueChanged(int)), this, SLOT(vchange_dthr_up(int)));
+ QObject::connect(opsController->horizontalSlider_dirthr_down, SIGNAL(valueChanged(int)), this, SLOT(vchange_dthr_down(int)));
+ QObject::connect(opsController->horizontalSlider_askedge, SIGNAL(valueChanged(int)), this, SLOT(vchange_askedge(int)));
+
+ controlWidget->show();
+
+ // Set up the plot widget, which does the actual plotting
+
+ plot = new Plot(this);
+ /*
+ QSlider* slider = new QSlider(Qt::Horizontal);
+ slider->setFocusPolicy(Qt::StrongFocus);
+ slider->setTickPosition(QSlider::TicksBothSides);
+ slider->setTickInterval(10);
+ slider->setSingleStep(1);
+ */
+ QVBoxLayout *layout = new QVBoxLayout;
+ //layout->addWidget(slider);
+ layout->addWidget(plot);
+ setLayout(layout);
+ printf("Proxwidget Constructor just set layout\r\n");
+}
+
+
+//----------- Plotting
+
+int Plot::xCoordOf(int i, QRect r )
+{
+ return r.left() + (int)((i - GraphStart)*GraphPixelsPerPoint);
+}
+
+int Plot::yCoordOf(int v, QRect r, int maxVal)
+{
+ int z = (r.bottom() - r.top())/2;
+ return -(z * v) / maxVal + z;
+}
+
+int Plot::valueOf_yCoord(int y, QRect r, int maxVal)
+{
+ int z = (r.bottom() - r.top())/2;
+ return (y-z) * maxVal / z;
+}
+static const QColor GREEN = QColor(100,255,100);
+static const QColor RED = QColor(255,100,100);
+static const QColor BLUE = QColor(100,100,255);
+static const QColor GRAY = QColor(240,240,240);
+
+QColor Plot::getColor(int graphNum)
+{
+ switch (graphNum) {
+ case 0: return GREEN; //Green
+ case 1: return RED; //Red
+ case 2: return BLUE; //Blue
+ default: return GRAY; //Gray
}
+}
- if (CursorAPos > GraphTraceLen)
- CursorAPos= 0;
- if(CursorBPos > GraphTraceLen)
- CursorBPos= 0;
- if(CursorCPos > GraphTraceLen)
- CursorCPos= 0;
- if(CursorDPos > GraphTraceLen)
- CursorDPos= 0;
+void Plot::PlotDemod(uint8_t *buffer, size_t len, QRect plotRect, QRect annotationRect, QPainter *painter, int graphNum, int plotOffset)
+{
+ if (len == 0 || PlotGridX <= 0) return;
+ //clock_t begin = clock();
+ QPainterPath penPath;
+
+ int grid_delta_x = PlotGridX;
+ int first_delta_x = grid_delta_x; //(plotOffset > 0) ? PlotGridX : (PlotGridX +);
+ if (GraphStart > plotOffset) first_delta_x -= (GraphStart-plotOffset);
+ int DemodStart = GraphStart;
+ if (plotOffset > GraphStart) DemodStart = plotOffset;
+
+ int BitStart = 0;
+ // round down
+ if (DemodStart-plotOffset > 0) BitStart = (int)(((DemodStart-plotOffset)+(PlotGridX-1))/PlotGridX)-1;
+ first_delta_x += BitStart * PlotGridX;
+ if (BitStart > len) return;
+ int delta_x = 0;
+ int v = 0;
+ //printf("first_delta_x %i, grid_delta_x %i, DemodStart %i, BitStart %i\n",first_delta_x,grid_delta_x,DemodStart, BitStart);
+
+ painter->setPen(getColor(graphNum));
+ char str[5];
+ int absVMax = (int)(100*1.05+1);
+ int x = xCoordOf(DemodStart, plotRect);
+ int y = yCoordOf((buffer[BitStart]*200-100)*-1,plotRect,absVMax);
+ penPath.moveTo(x, y);
+ delta_x = 0;
+ int clk = first_delta_x;
+ for(int i = BitStart; i < len && xCoordOf(delta_x+DemodStart, plotRect) < plotRect.right(); i++) {
+ for (int ii = 0; ii < (clk) && i < len && xCoordOf(DemodStart+delta_x+ii, plotRect) < plotRect.right() ; ii++ ) {
+ x = xCoordOf(DemodStart+delta_x+ii, plotRect);
+ v = buffer[i]*200-100;
+
+ y = yCoordOf( v, plotRect, absVMax);
- r = rect();
+ penPath.lineTo(x, y);
- painter.fillRect(r, QColor(0, 0, 0));
+ if(GraphPixelsPerPoint > 10) {
+ QRect f(QPoint(x - 3, y - 3),QPoint(x + 3, y + 3));
+ painter->fillRect(f, QColor(100, 255, 100));
+ }
+ if (ii == (int)clk/2) {
+ //print label
+ sprintf(str, "%u",buffer[i]);
+ painter->drawText(x-8, y + ((buffer[i] > 0) ? 18 : -6), str);
+ }
+ }
+ delta_x += clk;
+ clk = grid_delta_x;
+ }
- whitePath.moveTo(r.left() + 40, r.top());
- whitePath.lineTo(r.left() + 40, r.bottom());
+ //Graph annotations
+ painter->drawPath(penPath);
+}
- int zeroHeight = r.top() + (r.bottom() - r.top()) / 2;
+void Plot::PlotGraph(int *buffer, int len, QRect plotRect, QRect annotationRect, QPainter *painter, int graphNum)
+{
+ if (len == 0) return;
+ //clock_t begin = clock();
+ QPainterPath penPath;
- greyPath.moveTo(r.left(), zeroHeight);
- greyPath.lineTo(r.right(), zeroHeight);
- painter.setPen(QColor(100, 100, 100));
- painter.drawPath(greyPath);
-
- PageWidth= (int)((r.right() - r.left() - 40) / GraphPixelsPerPoint);
-
- // plot X and Y grid lines
- int i;
- if ((PlotGridX > 0) && ((PlotGridX * GraphPixelsPerPoint) > 1)) {
- for(i = 40 + (GridOffset * GraphPixelsPerPoint); i < r.right(); i += (int)(PlotGridX * GraphPixelsPerPoint)) {
- //SelectObject(hdc, GreyPenLite);
- //MoveToEx(hdc, r.left + i, r.top, NULL);
- //LineTo(hdc, r.left + i, r.bottom);
- lightgreyPath.moveTo(r.left()+i,r.top());
- lightgreyPath.lineTo(r.left()+i,r.bottom());
- painter.drawPath(lightgreyPath);
- }
- }
- if ((PlotGridY > 0) && ((PlotGridY * GraphPixelsPerPoint) > 1)){
- for(i = 0; i < ((r.top() + r.bottom())>>1); i += (int)(PlotGridY * GraphPixelsPerPoint)) {
- lightgreyPath.moveTo(r.left() + 40,zeroHeight + i);
- lightgreyPath.lineTo(r.right(),zeroHeight + i);
- painter.drawPath(lightgreyPath);
- lightgreyPath.moveTo(r.left() + 40,zeroHeight - i);
- lightgreyPath.lineTo(r.right(),zeroHeight - i);
- painter.drawPath(lightgreyPath);
- }
- }
-
- startMax = (GraphTraceLen - (int)((r.right() - r.left() - 40) / GraphPixelsPerPoint));
+ startMax = (len - (int)((plotRect.right() - plotRect.left() - 40) / GraphPixelsPerPoint));
if(startMax < 0) {
startMax = 0;
}
if(GraphStart > startMax) {
GraphStart = startMax;
}
-
- int absYMax = 1;
-
- for(i = GraphStart; ; i++) {
- if(i >= GraphTraceLen) {
- break;
- }
- if(fabs((double)GraphBuffer[i]) > absYMax) {
- absYMax = (int)fabs((double)GraphBuffer[i]);
- }
- int x = 40 + (int)((i - GraphStart)*GraphPixelsPerPoint);
- if(x > r.right()) {
- break;
- }
+ if (GraphStart > len) return;
+ int vMin = INT_MAX, vMax = INT_MIN, vMean = 0, v = 0, absVMax = 0;
+ int sample_index = GraphStart ;
+ for( ; sample_index < len && xCoordOf(sample_index,plotRect) < plotRect.right() ; sample_index++) {
+
+ v = buffer[sample_index];
+ if(v < vMin) vMin = v;
+ if(v > vMax) vMax = v;
+ vMean += v;
}
- absYMax = (int)(absYMax*1.2 + 1);
-
+ vMean /= (sample_index - GraphStart);
+
+ if(fabs( (double) vMin) > absVMax) absVMax = (int)fabs( (double) vMin);
+ if(fabs( (double) vMax) > absVMax) absVMax = (int)fabs( (double) vMax);
+ absVMax = (int)(absVMax*1.25 + 1);
// number of points that will be plotted
- int span = (int)((r.right() - r.left()) / GraphPixelsPerPoint);
+ int span = (int)((plotRect.right() - plotRect.left()) / GraphPixelsPerPoint);
// one label every 100 pixels, let us say
- int labels = (r.right() - r.left() - 40) / 100;
+ int labels = (plotRect.right() - plotRect.left() - 40) / 100;
if(labels <= 0) labels = 1;
int pointsPerLabel = span / labels;
if(pointsPerLabel <= 0) pointsPerLabel = 1;
- int yMin = INT_MAX;
- int yMax = INT_MIN;
- int yMean = 0;
- int n = 0;
+ int x = xCoordOf(GraphStart, plotRect);
+ int y = yCoordOf(buffer[GraphStart],plotRect,absVMax);
+ penPath.moveTo(x, y);
+ for(int i = GraphStart; i < len && xCoordOf(i, plotRect) < plotRect.right(); i++) {
- for(i = GraphStart; ; i++) {
- if(i >= GraphTraceLen) {
- break;
- }
- int x = 40 + (int)((i - GraphStart)*GraphPixelsPerPoint);
- if(x > r.right() + GraphPixelsPerPoint) {
- break;
- }
+ x = xCoordOf(i, plotRect);
+ v = buffer[i];
- int y = GraphBuffer[i];
- if(y < yMin) {
- yMin = y;
- }
- if(y > yMax) {
- yMax = y;
- }
- yMean += y;
- n++;
+ y = yCoordOf( v, plotRect, absVMax);//(y * (r.top() - r.bottom()) / (2*absYMax)) + zeroHeight;
- y = (y * (r.top() - r.bottom()) / (2*absYMax)) + zeroHeight;
- if(i == GraphStart) {
- penPath.moveTo(x, y);
- } else {
- penPath.lineTo(x, y);
- }
+ penPath.lineTo(x, y);
if(GraphPixelsPerPoint > 10) {
QRect f(QPoint(x - 3, y - 3),QPoint(x + 3, y + 3));
- painter.fillRect(f, brush);
+ painter->fillRect(f, QColor(100, 255, 100));
}
+ }
- if(((i - GraphStart) % pointsPerLabel == 0) && i != GraphStart) {
- whitePath.moveTo(x, zeroHeight - 3);
- whitePath.lineTo(x, zeroHeight + 3);
+ painter->setPen(getColor(graphNum));
- char str[100];
- sprintf(str, "+%d", (i - GraphStart));
+ //Draw y-axis
+ int xo = 5+(graphNum*40);
+ painter->drawLine(xo, plotRect.top(),xo, plotRect.bottom());
- painter.setPen(QColor(255, 255, 255));
- QRect size;
- QFontMetrics metrics(painter.font());
- size = metrics.boundingRect(str);
- painter.drawText(x - (size.right() - size.left()), zeroHeight + 9, str);
+ int vMarkers = (absVMax - (absVMax % 10)) / 5;
+ int minYDist = 40; //Minimum pixel-distance between markers
- penPath.moveTo(x,y);
- }
+ char yLbl[20];
- if(i == CursorAPos || i == CursorBPos || i == CursorCPos || i == CursorDPos) {
- QPainterPath *cursorPath;
+ int n = 0;
+ int lasty0 = 65535;
- if(i == CursorAPos) {
- cursorPath = &cursorAPath;
- } else if (i == CursorBPos) {
- cursorPath = &cursorBPath;
- } else if (i == CursorCPos) {
- cursorPath = &cursorCPath;
- } else {
- cursorPath = &cursorDPath;
- }
- cursorPath->moveTo(x, r.top());
- cursorPath->lineTo(x, r.bottom());
- penPath.moveTo(x, y);
+ for(int v = vMarkers; yCoordOf(v,plotRect,absVMax) > plotRect.top() && n < 20; v+= vMarkers ,n++)
+ {
+ int y0 = yCoordOf(v,plotRect,absVMax);
+ int y1 = yCoordOf(-v,plotRect,absVMax);
+
+ if(lasty0 - y0 < minYDist) continue;
+
+ painter->drawLine(xo-5,y0, xo+5, y0);
+
+ sprintf(yLbl, "%d", v);
+ painter->drawText(xo+8,y0+7,yLbl);
+
+ painter->drawLine(xo-5, y1, xo+5, y1);
+ sprintf(yLbl, "%d",-v);
+ painter->drawText(xo+8, y1+5 , yLbl);
+ lasty0 = y0;
+ }
+
+ //Graph annotations
+ painter->drawPath(penPath);
+ char str[200];
+ sprintf(str, "max=%d min=%d mean=%d n=%d/%d CursorAVal=[%d] CursorBVal=[%d]",
+ vMax, vMin, vMean, sample_index, len, buffer[CursorAPos], buffer[CursorBPos]);
+ painter->drawText(20, annotationRect.bottom() - 23 - 20 * graphNum, str);
+
+ //clock_t end = clock();
+ //double elapsed_secs = double(end - begin) / CLOCKS_PER_SEC;
+ //printf("Plot time %f\n", elapsed_secs);
+}
+
+void Plot::plotGridLines(QPainter* painter,QRect r)
+{
+ int zeroHeight = r.top() + (r.bottom() - r.top()) / 2;
+
+ int i;
+ int grid_delta_x = (int) (PlotGridX * GraphPixelsPerPoint);
+ int grid_delta_y = (int) (PlotGridY * GraphPixelsPerPoint);
+ if ((PlotGridX > 0) && ((PlotGridX * GraphPixelsPerPoint) > 1)) {
+ for(i = (GridOffset * GraphPixelsPerPoint); i < r.right(); i += grid_delta_x) {
+ painter->drawLine(r.left()+i, r.top(), r.left()+i, r.bottom());
+ }
+ }
+ if ((PlotGridY > 0) && ((PlotGridY * GraphPixelsPerPoint) > 1)){
+ for(i = 0; i < ((r.top() + r.bottom())>>1); i += grid_delta_y) {
+ painter->drawLine(r.left(),zeroHeight + i,r.right(),zeroHeight + i);
+ painter->drawLine(r.left(),zeroHeight - i,r.right(),zeroHeight - i);
}
}
+}
+
+#define HEIGHT_INFO 60
+#define WIDTH_AXES 80
- if(n != 0) {
- yMean /= n;
+void Plot::paintEvent(QPaintEvent *event)
+{
+ QPainter painter(this);
+ //QPainterPath penPath, whitePath, greyPath, lightgreyPath, cursorAPath, cursorBPath, cursorCPath, cursorDPath;
+ //QRect r;
+ QBrush brush(QColor(100, 255, 100));
+ QPen pen(QColor(100, 255, 100));
+
+ painter.setFont(QFont("Courier New", 10));
+
+ if(GraphStart < 0) {
+ GraphStart = 0;
}
- painter.setPen(QColor(255, 255, 255));
- painter.drawPath(whitePath);
- painter.setPen(pen);
- painter.drawPath(penPath);
- painter.setPen(QColor(255, 255, 0));
- painter.drawPath(cursorAPath);
- painter.setPen(QColor(255, 0, 255));
- painter.drawPath(cursorBPath);
- painter.setPen(QColor(255, 153, 0)); //orange
- painter.drawPath(cursorCPath);
- painter.setPen(QColor(0, 0, 205)); //light blue
- painter.drawPath(cursorDPath);
+ if (CursorAPos > GraphTraceLen)
+ CursorAPos= 0;
+ if(CursorBPos > GraphTraceLen)
+ CursorBPos= 0;
+ if(CursorCPos > GraphTraceLen)
+ CursorCPos= 0;
+ if(CursorDPos > GraphTraceLen)
+ CursorDPos= 0;
- char str[200];
- sprintf(str, "@%d max=%d min=%d mean=%d n=%d/%d dt=%d [%.3f] zoom=%.3f CursorA=%d [%d] CursorB=%d [%d] GridX=%d GridY=%d (%s)",
- GraphStart, yMax, yMin, yMean, n, GraphTraceLen,
- CursorBPos - CursorAPos, (CursorBPos - CursorAPos)/CursorScaleFactor,GraphPixelsPerPoint,CursorAPos,GraphBuffer[CursorAPos],CursorBPos,GraphBuffer[CursorBPos],PlotGridXdefault,PlotGridYdefault,GridLocked?"Locked":"Unlocked");
+ QRect plotRect(WIDTH_AXES, 0, width()-WIDTH_AXES, height()-HEIGHT_INFO);
+ QRect infoRect(0, height()-HEIGHT_INFO, width(), HEIGHT_INFO);
+
+ //Grey background
+ painter.fillRect(rect(), QColor(60, 60, 60));
+ //Black foreground
+ painter.fillRect(plotRect, QColor(0, 0, 0));
+ // center line
+ int zeroHeight = plotRect.top() + (plotRect.bottom() - plotRect.top()) / 2;
+ painter.setPen(QColor(100, 100, 100));
+ painter.drawLine(plotRect.left(), zeroHeight, plotRect.right(), zeroHeight);
+ // plot X and Y grid lines
+ plotGridLines(&painter, plotRect);
+
+ //Start painting graph
+ if (showDemod && DemodBufferLen > 8) {
+ PlotDemod(DemodBuffer, DemodBufferLen,plotRect,infoRect,&painter,2,g_DemodStartIdx);
+ }
+ PlotGraph(s_Buff, GraphTraceLen,plotRect,infoRect,&painter,1);
+ PlotGraph(GraphBuffer, GraphTraceLen,plotRect,infoRect,&painter,0);
+ // End graph drawing
+
+ //Draw the cursors
+ if(CursorAPos > GraphStart && xCoordOf(CursorAPos, plotRect) < plotRect.right())
+ {
+ painter.setPen(QColor(255, 255, 0));
+ painter.drawLine(xCoordOf(CursorAPos, plotRect),plotRect.top(),xCoordOf(CursorAPos, plotRect),plotRect.bottom());
+ }
+ if(CursorBPos > GraphStart && xCoordOf(CursorBPos, plotRect) < plotRect.right())
+ {
+ painter.setPen(QColor(255, 0, 255));
+ painter.drawLine(xCoordOf(CursorBPos, plotRect),plotRect.top(),xCoordOf(CursorBPos, plotRect),plotRect.bottom());
+ }
+ if(CursorCPos > GraphStart && xCoordOf(CursorCPos, plotRect) < plotRect.right())
+ {
+ painter.setPen(QColor(255, 153, 0)); //orange
+ painter.drawLine(xCoordOf(CursorCPos, plotRect),plotRect.top(),xCoordOf(CursorCPos, plotRect),plotRect.bottom());
+ }
+ if(CursorDPos > GraphStart && xCoordOf(CursorDPos, plotRect) < plotRect.right())
+ {
+ painter.setPen(QColor(0, 0, 205)); //light blue
+ painter.drawLine(xCoordOf(CursorDPos, plotRect),plotRect.top(),xCoordOf(CursorDPos, plotRect),plotRect.bottom());
+ }
+
+ //Draw annotations
+ char str[200];
+ sprintf(str, "@%d dt=%d [%2.2f] zoom=%2.2f CursorAPos=%d CursorBPos=%d GridX=%d GridY=%d (%s) GridXoffset=%d",
+ GraphStart, CursorBPos - CursorAPos, (CursorBPos - CursorAPos)/CursorScaleFactor,
+ GraphPixelsPerPoint,CursorAPos,CursorBPos,PlotGridXdefault,PlotGridYdefault,GridLocked?"Locked":"Unlocked",GridOffset);
painter.setPen(QColor(255, 255, 255));
- painter.drawText(50, r.bottom() - 20, str);
+ painter.drawText(20, infoRect.bottom() - 3, str);
+
}
-ProxWidget::ProxWidget(QWidget *parent) : QWidget(parent), GraphStart(0), GraphPixelsPerPoint(1)
+Plot::Plot(QWidget *parent) : QWidget(parent), GraphStart(0), GraphPixelsPerPoint(1)
{
+ //Need to set this, otherwise we don't receive keypress events
+ setFocusPolicy( Qt::StrongFocus);
resize(600, 300);
QPalette palette(QColor(0,0,0,0));
setAutoFillBackground(true);
CursorAPos = 0;
CursorBPos = 0;
+
+ setWindowTitle(tr("Sliders"));
}
-void ProxWidget::closeEvent(QCloseEvent *event)
+void Plot::closeEvent(QCloseEvent *event)
{
event->ignore();
this->hide();
}
-void ProxWidget::mouseMoveEvent(QMouseEvent *event)
+void Plot::mouseMoveEvent(QMouseEvent *event)
{
int x = event->x();
- x -= 40;
+ x -= WIDTH_AXES;
x = (int)(x / GraphPixelsPerPoint);
x += GraphStart;
if((event->buttons() & Qt::LeftButton)) {
this->update();
}
-void ProxWidget::keyPressEvent(QKeyEvent *event)
+void Plot::keyPressEvent(QKeyEvent *event)
{
int offset;
int gridchanged;