override public void Draw(Graphics g, DataBlock db) { DrawSelection(g); DrawHorizontalLines(g); DrawVerticalLines(g); float xx = 0; int i = 0; int i0 = (int)(db.GetChannelLength() * MinXD / db.GetTotalTime()); int i1 = (int)(db.GetChannelLength() * MaxXD / db.GetTotalTime()); try { float waveheight = m_Bounds.Height / 16; int last_rv = 0; for (i = i0; i <= i1; i++) { int rawvolt = db.GetVoltage(0, i); float time = db.GetTime(i); float x = ValueXToRect(time); for (int ch = 0; ch < db.m_channels; ch++) { //skip unselected channels if ((db.m_channelsBitField & (1 << ch)) == 0) { continue; } float y = ValueYToRect((ch + 1) * DivY); if (((last_rv >> ch) & 1) != ((rawvolt >> ch) & 1)) { g.DrawLine(Pens.Red, xx, y, xx, y - waveheight); } if (((rawvolt >> ch) & 1) > 0) { y -= waveheight; } g.DrawLine(Pens.Red, xx, y, x, y); } xx = x; last_rv = rawvolt; } } catch { Console.WriteLine("{0} {1} {2}", db, m_Bounds, i); } }
override public void Draw(Graphics g, DataBlock db) { DrawSelection(g); DrawHorizontalLines(g); DrawVerticalLines(g); float xx = 0; int i = 0; int i0 = (int)(db.GetChannelLength() * MinXD / db.GetTotalTime()); int i1 = (int)(db.GetChannelLength() * MaxXD / db.GetTotalTime()); try { float waveheight = m_Bounds.Height / 16; int last_rv = 0; for (i = i0; i <= i1; i++) { int rawvolt = db.GetVoltage(0, i); float time = db.GetTime(i); float x = ValueXToRect( time); for (int ch = 0; ch < db.m_channels; ch++) { //skip unselected channels if ((db.m_channelsBitField & (1 << ch)) == 0) continue; float y = ValueYToRect( (ch +1) * DivY); if ( ((last_rv >>ch)&1) != ((rawvolt>>ch)&1)) { g.DrawLine(Pens.Red, xx, y, xx, y - waveheight); } if ( ((rawvolt >> ch)&1) >0) { y -= waveheight; } g.DrawLine(Pens.Red, xx, y, x, y); } xx = x; last_rv = rawvolt; } } catch { Console.WriteLine("{0} {1} {2}", db, m_Bounds, i); } }
override public void SetDataBlock(DataBlock db) { m_db = db; int lastValue=0; int run = 0; int average = m_db.GetAverage( 0 ); textBox1.Text += string.Format("Average {0}\r\n", average); textBox1.Text += string.Format("Sample Rate {0}\r\n", db.m_sampleRate); textBox1.Text += string.Format("\r\nFreq from zeroes:\r\n", db.m_sampleRate); for (int i = 0; i < db.GetChannelLength(); i++) { int value = db.GetVoltage(0, i);; if (value > average && lastValue < average) { textBox1.Text += string.Format("{0} {1} {2}\r\n", i, run, 1.0/((float)run/(float)db.m_sampleRate) ); run = 0; } run++; lastValue = value; } textBox1.Text += string.Format("\r\nFreq from self correlation:\r\n", db.m_sampleRate); double old = 10; for (int i = 0; i < db.GetChannelLength() / 2; i++) { double c = correlate(db, i); if (c > old) { double waveLength = 2* (double)i / (double)db.m_sampleRate; textBox1.Text += string.Format("{0}\r\n", 1 / waveLength); break; } old = c; } }
override public void SetDataBlock(DataBlock db) { m_db = db; int lastValue = 0; int run = 0; int average = m_db.GetAverage(0); textBox1.Text += string.Format("Average {0}\r\n", average); textBox1.Text += string.Format("Sample Rate {0}\r\n", db.m_sampleRate); textBox1.Text += string.Format("\r\nFreq from zeroes:\r\n", db.m_sampleRate); for (int i = 0; i < db.GetChannelLength(); i++) { int value = db.GetVoltage(0, i);; if (value > average && lastValue < average) { textBox1.Text += string.Format("{0} {1} {2}\r\n", i, run, 1.0 / ((float)run / (float)db.m_sampleRate)); run = 0; } run++; lastValue = value; } textBox1.Text += string.Format("\r\nFreq from self correlation:\r\n", db.m_sampleRate); double old = 10; for (int i = 0; i < db.GetChannelLength() / 2; i++) { double c = correlate(db, i); if (c > old) { double waveLength = 2 * (double)i / (double)db.m_sampleRate; textBox1.Text += string.Format("{0}\r\n", 1 / waveLength); break; } old = c; } }
override public void SetDataBlock(DataBlock db) { m_db = new DataBlock(); m_db.Copy(db); int time = 0; bool oldBit = false; for (int i = 0; i < m_db.GetChannelLength(); i++) { bool bit = m_db.GetVoltage(0, i) > 10; if (oldBit == false && bit == true) { Process(false, time); time = 0; } else if (oldBit == true && bit == false) { Process(true, time); time = 0; } else { time++; } oldBit = bit; } textBox1.Text += "histo\r\n"; List <int> keys = new List <int>(); foreach (int i in m_histo.Keys) { keys.Add(i); } keys.Sort(); foreach (int i in keys) { int v = m_histo[i]; textBox1.Text += string.Format("{0:000} {1:000} ", i, v) + "\r\n"; } }
override public void SetDataBlock(DataBlock db) { m_db = new DataBlock(); m_db.Copy(db); int time = 0; bool oldBit = false; for (int i = 0; i < m_db.GetChannelLength(); i++) { bool bit = m_db.GetVoltage(0,i)>10; if ( oldBit == false && bit == true ) { Process(false, time); time=0; } else if (oldBit == true && bit == false) { Process(true, time); time = 0; } else { time++; } oldBit = bit; } textBox1.Text += "histo\r\n"; List<int> keys = new List<int>(); foreach (int i in m_histo.Keys) { keys.Add(i); } keys.Sort(); foreach (int i in keys) { int v = m_histo[i]; textBox1.Text += string.Format("{0:000} {1:000} ", i, v) + "\r\n"; } }
double correlate(DataBlock db, int offset) { int length = db.GetChannelLength(); int res = 0; int n1 = 0; int n2 = 0; for (int i = 0; i < length - offset; i++) { int v1 = db.GetVoltage(0, i); int v2 = db.GetVoltage(0, i + offset); n1 += v1 * v1; n2 += v2 * v2; res += v1 * v2; } return((double)res / (double)(Math.Sqrt(n1) * Math.Sqrt(n2))); }
double correlate(DataBlock db, int offset) { int length = db.GetChannelLength(); int res = 0; int n1 = 0; int n2 = 0; for (int i = 0; i < length - offset; i++) { int v1 = db.GetVoltage(0, i); int v2 = db.GetVoltage(0, i + offset); n1 += v1 * v1; n2 += v2 * v2; res += v1 * v2; } return (double)res / (double)(Math.Sqrt(n1) * Math.Sqrt(n2)); }
override public void SetDataBlock(DataBlock db) { dataBlock.Copy(db); if (enabled) { filter.SetSampleRate(db.m_sampleRate); //filter a few times the first value to initialize filter for (int i = 0; i < 4; i++) { double volt = db.GetVoltage(0, 0); filter.DoFilter(volt); } for (int i = 0; i < db.GetChannelLength(); i++) { double volt = db.GetVoltage(0, i); dataBlock.SetVoltage(0, i, (int)filter.DoFilter(volt)); } } base.SetDataBlock(dataBlock); }
override public bool GetDataBlock(ref DataBlock db) { bool result = true; lock (thisLock) { //assume it timed out db.m_min = 0; db.m_max = 5; db.m_channels = GetNumberOfEnabledChannels(); db.m_channelsBitField = GetChannelBitField(); db.m_triggerVoltage = 0; db.m_triggerPos = 0; db.m_sampleRate = GetSampleRate(); db.m_samplesPerChannel = GetNumberOfSamplesPerChannel(); db.m_dataType = DataBlock.DATA_TYPE.ANALOG; db.Alloc(); } for (int i = 0; i < db.GetChannelLength(); i++) { /* * byte header = GetStream().ReadByte(); * if (header < 128) * { * byte b1 = GetStream().ReadByte(); * byte b2 = GetStream().ReadByte(); * * for (int c = 0; c < db.m_channels; c++) * { * UInt16 v = (UInt16)(GetStream().ReadByte() * 256 + GetStream().ReadByte()); * db.SetVoltage(c, i, v); * } * GetStream().ReadByte(); * } * else * { * GetResponse(header); * * //if command received then abort * for (; i < db.GetChannelLength(); i++) * { * for (int c = 0; c < db.m_channels; c++) * { * db.SetVoltage(c, i, 0); * } * } * * } */ byte[] header = new byte[1]; byte[] data = new byte[20]; Read(header, 1); if (header[0] < 128) { Read(data, 3 + 2 * db.m_channels); Console.WriteLine("{0} {1} {2} {3}", header[0], data[0], data[1], data[2]); } else { Read(data, 3); Console.WriteLine("* {0} {1} {2} {3}", header[0], data[0], data[1], data[2]); } } db.m_result = DataBlock.RESULT.OK; return(result); }
override public bool GetDataBlock(ref DataBlock db) { bool result; //assume it timed out db.m_result = DataBlock.RESULT.TIMEOUT; if (GetNumberOfEnabledChannels() == 0) { return(false); } //-------------Get settings this needs a crytical section) // int numberOfSamples; int numberOfEnabledChannels; uint channelsBitField; int sampleRate; lock (thisLock) { numberOfSamples = GetNumberOfSamplesPerChannel(); numberOfEnabledChannels = GetNumberOfEnabledChannels(); channelsBitField = GetChannelBitField(); sampleRate = GetSampleRate(); } //-------------Request data byte[] configBuffer = new byte[10]; configBuffer[0] = (byte)COMMANDS.READ_ADC_TRACE; configBuffer[1] = m_triggerValue; configBuffer[2] = (byte)(numberOfSamples >> 8); configBuffer[3] = (byte)(numberOfSamples & 0xff); configBuffer[4] = (byte)numberOfEnabledChannels; int index = 0; for (byte i = 0; i < 4; i++) { if (((channelsBitField >> i) & 1) != 0) { configBuffer[5 + index] = i; index++; } } configBuffer[9] = (byte)127; //pwm Write(configBuffer, configBuffer.Length); //-------------Get data Read(res, 1); if (res[0] == 85) { db.m_min = 0; db.m_max = 5; db.m_channels = numberOfEnabledChannels; db.m_channelsBitField = channelsBitField; db.m_triggerVoltage = 0; db.m_triggerPos = 0; db.m_sampleRate = (db.m_channels > 0) ? (sampleRate / db.m_channels) : 0; db.m_samplesPerChannel = numberOfSamples; db.m_dataType = DataBlock.DATA_TYPE.ANALOG; db.Alloc(); //read actual data if (m_arduinoBuffer.Length != db.m_samplesPerChannel * db.m_channels) { m_arduinoBuffer = new byte[db.m_samplesPerChannel * db.m_channels]; } result = Read(m_arduinoBuffer, m_arduinoBuffer.Length); index = 0; for (int ch = 0; ch < 2; ch++) { if (((db.m_channelsBitField >> ch) & 1) == 1) { for (int i = 0; i < db.GetChannelLength(); i++) { db.SetVoltage(index, i, m_arduinoBuffer[i * db.m_channels + index]); } index++; } } db.m_result = DataBlock.RESULT.OK; return(result); } return(false); }
private void DrawGraph(Graphics g, Pen p, DataBlock db, int channel) { float yy = 0; float xx = 0; int i = 0; int i0 = (int)Math.Floor( lerp(0, db.GetChannelLength(), 0, db.GetTotalTime(), MinXD) ); int i1 = (int)Math.Ceiling( lerp(0, db.GetChannelLength(), 0, db.GetTotalTime(), MaxXD) )+1; if (i1 > db.GetChannelLength()) { i1 = db.GetChannelLength(); } if (db.m_Annotations != null) { for (int an = 0; an < db.m_Annotations.Length; an++) { float time = db.GetTime(db.m_Annotations[an]); float x = ValueXToRect(time); g.DrawLine(Pens.Green, x, 0, x, ValueYToRect(5)); } } try { for (i = i0; i < i1; i++) { int rawvolt = db.GetVoltage(channel, i); float time = db.GetTime(i); float x = ValueXToRect(time); float y = ValueYToRect(rawvolt); if (i > 0) { g.DrawLine(p, xx, yy, x, y); if (showValueTicks) { g.DrawLine(p, x, y-2, x, y+2); g.DrawLine(p, x - 2, y, x + 2, y); } } yy = y; xx = x; } } catch { Console.WriteLine("{0} {1} {2}", db, m_Bounds, i); } //Cursor.Hide(); if (m_mouse != null) { DrawCross(g, Pens.Blue, m_mouse.X, m_mouse.Y); } { float t = (db.m_triggerPos * db.GetTotalTime()) / (float)db.GetChannelLength(); float x = ValueXToRect(t); g.DrawLine(Pens.Green, x, m_Bounds.Y, x, m_Bounds.Y + m_Bounds.Height); } Point pp = new Point(); pp.X = 0; pp.Y = 32; if (m_mouse != null) { float time = RectToValueX(m_mouse.X); float voltage = RectToValueY(m_mouse.Y); string info = string.Format("{0} ({1}, {2})", db.m_sample, ToEngineeringNotation(time), voltage); g.DrawString(info, parent.Font, Brushes.White, pp); pp.Y += 16; info = string.Format("({0}s/div, {1}Ks/s)", ToEngineeringNotation(DivX), db.m_sampleRate / 1000); g.DrawString(info, parent.Font, Brushes.White, pp); pp.Y += 16; } if (Selected()) { if ((m_selectT0 < db.GetTotalTime()) && (m_selectT1 < db.GetTotalTime())) { g.DrawString(string.Format("({0}, {1}) - ({2}, {3})", ToEngineeringNotation(m_selectT0), db.GetVoltage(0, m_selectT0), ToEngineeringNotation(m_selectT1), db.GetVoltage(0, m_selectT1)), parent.Font, Brushes.White, pp); pp.Y += 16; g.DrawString(string.Format("ΔVoltage = {0}", db.GetVoltage(0, m_selectT1) - db.GetVoltage(0, m_selectT0)), parent.Font, Brushes.White, pp); pp.Y += 16; } string time = string.Format("ΔTime = {0}", ToEngineeringNotation(m_selectT1 - m_selectT0)); if (m_selectT1 - m_selectT0 > 0) { time += string.Format(", {0} Hz", (int)(1.0f / (m_selectT1 - m_selectT0))); } g.DrawString(time, parent.Font, Brushes.White, pp); pp.Y += 16; } }
override public void Draw(Graphics g, DataBlock db) { Rectangle r = new Rectangle(); r = m_Bounds; if (f == null) { f = new fft(1024); } if (db.m_result != DataBlock.RESULT.OK) { pp.X = 0; pp.Y = 0; g.DrawString(string.Format("Waiting for a chunk of data to analyze"), parent.Font, Brushes.White, pp); return; } if (db.GetChannelLength() < f.GetNumOfSamples()) { pp.X = 0; pp.Y = 0; g.DrawString(string.Format("FFT needs at least 1024 samples to work, got only {0}, try increasing the measurement time",db.GetChannelLength()) , parent.Font, Brushes.White, pp); return; } for (int i = 0; i < f.GetNumOfSamples(); i++) { f.x[i] = db.GetVoltage(0, i); f.y[i] = 0; } f.FFT(0); int maxFreq = db.m_sampleRate / 2; int minFreq = 0; //margin at the bottom r.Height -= 20; r.Width = 1024; r.X -= (int)MinXD; if (drawSlidingFFT) { DrawSlidingFFT(g, r, db); r.Y -= 256; DrawFFTBars(g, r); r.Y += 256; } else { DrawFFTBars(g, r); } int freqStep; for (freqStep = 500; freqStep < maxFreq; freqStep += 500) { int ft = lerp(0, f.GetNumOfSamples() / 2, minFreq, maxFreq, freqStep); if (ft > 30) break; } //draw legend for (int i = 0; i < (int)maxFreq; i += freqStep) { int x = lerp(0, 512, minFreq, maxFreq, i); pp.X = r.X + 2 * x; pp.Y = r.Bottom; g.DrawLine(Pens.Gray, pp.X, 0, pp.X, pp.Y); g.DrawString(string.Format("{0}", i), parent.Font, Brushes.White, pp); } if (m_mouse != null) { DrawCross(g, Pens.Blue, m_mouse.X, m_mouse.Y); pp.X = r.X ; pp.Y = r.Y + 40; g.DrawString(string.Format("Freq: {0} Hz", ((m_mouse.X / 2) * maxFreq) / f.GetNumOfSamples() / 2), parent.Font, Brushes.White, pp); } }
public static int LoopThoughWave() { for (int timeout = 0; timeout < 65535; timeout++) { int v; if (adc_ptr >= m_db.GetChannelLength()) { v = 0; } else { v = adcRead(); } if (extreme == v) { fine++; } if ( ((find_max == true) && (v > extreme)) || ((find_max == false) && (v < extreme)) ) { extreme = v; extreme_time = delta_time; fine = 0; } if (find_max == true) { if (v < (zero - threshold)) { find_max = false; extreme_time += (byte)(fine / 2); delta_time -= extreme_time; delta_time++; return(extreme_time); } } else { if (v > (zero + threshold)) { find_max = true; extreme_time += (byte)(fine / 2); delta_time -= extreme_time; delta_time++; return(extreme_time); } } delta_time++; } return(255); }
override public bool GetDataBlock(ref DataBlock db) { bool result; //assume it timed out db.m_result = DataBlock.RESULT.TIMEOUT; if (GetNumberOfEnabledChannels() == 0) { return false; } //-------------Get settings this needs a crytical section) // int numberOfSamples; int numberOfEnabledChannels; uint channelsBitField; int sampleRate; lock (thisLock) { numberOfSamples = GetNumberOfSamplesPerChannel(); numberOfEnabledChannels = GetNumberOfEnabledChannels(); channelsBitField = GetChannelBitField(); sampleRate = GetSampleRate(); } //-------------Request data byte[] configBuffer = new byte[10]; configBuffer[0] = (byte)COMMANDS.READ_ADC_TRACE; configBuffer[1] = m_triggerValue; configBuffer[2] = (byte)(numberOfSamples >> 8); configBuffer[3] = (byte)(numberOfSamples & 0xff); configBuffer[4] = (byte)numberOfEnabledChannels; int index = 0; for (byte i = 0; i < 4; i++) { if (((channelsBitField>>i)&1)!=0) { configBuffer[5 + index] = i; index++; } } configBuffer[9] = (byte)127; //pwm Write(configBuffer, configBuffer.Length); //-------------Get data Read(res, 1); if (res[0] == 85) { db.m_min = 0; db.m_max = 5; db.m_channels = numberOfEnabledChannels; db.m_channelsBitField = channelsBitField; db.m_triggerVoltage = 0; db.m_triggerPos = 0; db.m_sampleRate = (db.m_channels > 0) ? (sampleRate / db.m_channels) : 0; db.m_samplesPerChannel = numberOfSamples; db.m_dataType = DataBlock.DATA_TYPE.ANALOG; db.Alloc(); //read actual data if (m_arduinoBuffer.Length != db.m_samplesPerChannel * db.m_channels) { m_arduinoBuffer = new byte[db.m_samplesPerChannel * db.m_channels]; } result = Read(m_arduinoBuffer, m_arduinoBuffer.Length); index = 0; for(int ch=0;ch<2;ch++) { if ( ((db.m_channelsBitField>>ch)&1) == 1) { for (int i = 0; i < db.GetChannelLength(); i++) { db.SetVoltage(index, i, m_arduinoBuffer[i * db.m_channels + index]); } index++; } } db.m_result = DataBlock.RESULT.OK; return result; } return false; }
private void DrawGraph(Graphics g, Pen p, DataBlock db, int channel) { float yy = 0; float xx = 0; int i = 0; int i0 = (int)Math.Floor(lerp(0, db.GetChannelLength(), 0, db.GetTotalTime(), MinXD)); int i1 = (int)Math.Ceiling(lerp(0, db.GetChannelLength(), 0, db.GetTotalTime(), MaxXD)) + 1; if (i1 > db.GetChannelLength()) { i1 = db.GetChannelLength(); } if (db.m_Annotations != null) { for (int an = 0; an < db.m_Annotations.Length; an++) { float time = db.GetTime(db.m_Annotations[an]); float x = ValueXToRect(time); g.DrawLine(Pens.Green, x, 0, x, ValueYToRect(5)); } } try { for (i = i0; i < i1; i++) { int rawvolt = db.GetVoltage(channel, i); float time = db.GetTime(i); float x = ValueXToRect(time); float y = ValueYToRect(rawvolt); if (i > 0) { g.DrawLine(p, xx, yy, x, y); if (showValueTicks) { g.DrawLine(p, x, y - 2, x, y + 2); g.DrawLine(p, x - 2, y, x + 2, y); } } yy = y; xx = x; } } catch { Console.WriteLine("{0} {1} {2}", db, m_Bounds, i); } //Cursor.Hide(); if (m_mouse != null) { DrawCross(g, Pens.Blue, m_mouse.X, m_mouse.Y); } { float t = (db.m_triggerPos * db.GetTotalTime()) / (float)db.GetChannelLength(); float x = ValueXToRect(t); g.DrawLine(Pens.Green, x, m_Bounds.Y, x, m_Bounds.Y + m_Bounds.Height); } Point pp = new Point(); pp.X = 0; pp.Y = 32; if (m_mouse != null) { float time = RectToValueX(m_mouse.X); float voltage = RectToValueY(m_mouse.Y); string info = string.Format("{0} ({1}, {2})", db.m_sample, ToEngineeringNotation(time), voltage); g.DrawString(info, parent.Font, Brushes.White, pp); pp.Y += 16; info = string.Format("({0}s/div, {1}Ks/s)", ToEngineeringNotation(DivX), db.m_sampleRate / 1000); g.DrawString(info, parent.Font, Brushes.White, pp); pp.Y += 16; } if (Selected()) { if ((m_selectT0 < db.GetTotalTime()) && (m_selectT1 < db.GetTotalTime())) { g.DrawString(string.Format("({0}, {1}) - ({2}, {3})", ToEngineeringNotation(m_selectT0), db.GetVoltage(0, m_selectT0), ToEngineeringNotation(m_selectT1), db.GetVoltage(0, m_selectT1)), parent.Font, Brushes.White, pp); pp.Y += 16; g.DrawString(string.Format("ΔVoltage = {0}", db.GetVoltage(0, m_selectT1) - db.GetVoltage(0, m_selectT0)), parent.Font, Brushes.White, pp); pp.Y += 16; } string time = string.Format("ΔTime = {0}", ToEngineeringNotation(m_selectT1 - m_selectT0)); if (m_selectT1 - m_selectT0 > 0) { time += string.Format(", {0} Hz", (int)(1.0f / (m_selectT1 - m_selectT0))); } g.DrawString(time, parent.Font, Brushes.White, pp); pp.Y += 16; } }
override public void Draw(Graphics g, DataBlock db) { Rectangle r = new Rectangle(); r = m_Bounds; if (f == null) { f = new fft(1024); } if (db.m_result != DataBlock.RESULT.OK) { pp.X = 0; pp.Y = 0; g.DrawString(string.Format("Waiting for a chunk of data to analyze"), parent.Font, Brushes.White, pp); return; } if (db.GetChannelLength() < f.GetNumOfSamples()) { pp.X = 0; pp.Y = 0; g.DrawString(string.Format("FFT needs at least 1024 samples to work, got only {0}, try increasing the measurement time", db.GetChannelLength()), parent.Font, Brushes.White, pp); return; } for (int i = 0; i < f.GetNumOfSamples(); i++) { f.x[i] = db.GetVoltage(0, i); f.y[i] = 0; } f.FFT(0); int maxFreq = db.m_sampleRate / 2; int minFreq = 0; //margin at the bottom r.Height -= 20; r.Width = 1024; r.X -= (int)MinXD; if (drawSlidingFFT) { DrawSlidingFFT(g, r, db); r.Y -= 256; DrawFFTBars(g, r); r.Y += 256; } else { DrawFFTBars(g, r); } int freqStep; for (freqStep = 500; freqStep < maxFreq; freqStep += 500) { int ft = lerp(0, f.GetNumOfSamples() / 2, minFreq, maxFreq, freqStep); if (ft > 30) { break; } } //draw legend for (int i = 0; i < (int)maxFreq; i += freqStep) { int x = lerp(0, 512, minFreq, maxFreq, i); pp.X = r.X + 2 * x; pp.Y = r.Bottom; g.DrawLine(Pens.Gray, pp.X, 0, pp.X, pp.Y); g.DrawString(string.Format("{0}", i), parent.Font, Brushes.White, pp); } if (m_mouse != null) { DrawCross(g, Pens.Blue, m_mouse.X, m_mouse.Y); pp.X = r.X; pp.Y = r.Y + 40; g.DrawString(string.Format("Freq: {0} Hz", ((m_mouse.X / 2) * maxFreq) / f.GetNumOfSamples() / 2), parent.Font, Brushes.White, pp); } }
public override bool GetDataBlock(ref DataBlock db) { bool result = true; lock (thisLock) { //assume it timed out db.m_min = 0; db.m_max = 5; db.m_channels = GetNumberOfEnabledChannels(); db.m_channelsBitField = GetChannelBitField(); db.m_triggerVoltage = 0; db.m_triggerPos = 0; db.m_sampleRate = GetSampleRate(); db.m_samplesPerChannel = GetNumberOfSamplesPerChannel(); db.m_dataType = DataBlock.DATA_TYPE.ANALOG; db.Alloc(); } for (int i = 0; i < db.GetChannelLength(); i++) { /* byte header = GetStream().ReadByte(); if (header < 128) { byte b1 = GetStream().ReadByte(); byte b2 = GetStream().ReadByte(); for (int c = 0; c < db.m_channels; c++) { UInt16 v = (UInt16)(GetStream().ReadByte() * 256 + GetStream().ReadByte()); db.SetVoltage(c, i, v); } GetStream().ReadByte(); } else { GetResponse(header); //if command received then abort for (; i < db.GetChannelLength(); i++) { for (int c = 0; c < db.m_channels; c++) { db.SetVoltage(c, i, 0); } } } */ byte[] header = new byte[1]; byte[] data = new byte[20]; Read(header, 1); if (header[0] < 128) { Read(data, 3 + 2 * db.m_channels); Console.WriteLine("{0} {1} {2} {3}", header[0], data[0], data[1], data[2]); } else { Read(data, 3); Console.WriteLine("* {0} {1} {2} {3}",header[0],data[0],data[1],data[2]); } } db.m_result = DataBlock.RESULT.OK; return result; }