private void StartButton_Click(object sender, RoutedEventArgs e)
{
if (USBDevDetected)
{
byte[] USBPacket = new byte[USB_CMD_PACKET_SIZE];
USBPacket[USB_REPORT_ID_POS] = USB_CMD_ID;
USBPacket[USB_CMD_POS] = USB_CMD_START_CAPTURE;
int Value = Frequencies.SelectedIndex;
USBPacket[CAPTURE_SYNC_OFFSET] = CAPTURE_SYNC_INTERNAL;
USBPacket[CAPTURE_TIM_PSC_OFFSET] = CaptureTimPsc[Value];
USBPacket[CAPTURE_TIM_ARR_OFFSET] = CaptureTimArr[Value];
DescretTimeIndex = Value;
SamplesToCapture = SampleCount[Samples.SelectedIndex];
USBPacket[CAPTURE_SAMPLE_OFFSET] = (byte)SamplesToCapture;
USBPacket[CAPTURE_SAMPLE_OFFSET + 1] = (byte)(SamplesToCapture >> 8);
if (TriggerActivationCheckBox.IsChecked == true)
{
USBPacket[CAPTURE_TRIGGER_ENABLE_OFFSET] = CAPTURE_TRIGGER_ENABLE;
USBPacket[CAPTURE_TRIGGER_MODE_OFFSET] = CAPTURE_TRIGGER_MODE_CHANNELS;
for (int TrigByte = 0; TrigByte < CAPTURE_TRIGGER_BYTES_COUNT; TrigByte++)
{
USBPacket[CAPTURE_TRIGGER_SET_OFFSET + TrigByte] = (byte)((Array.IndexOf(TriggersString, Channels[2 * TrigByte + 1].Trigger) << 4) | (Array.IndexOf(TriggersString, Channels[2 * TrigByte].Trigger)));
}
if ((USBPacket[CAPTURE_TRIGGER_SET_OFFSET] == 0) && (USBPacket[CAPTURE_TRIGGER_SET_OFFSET + 1] == 0) &&
(USBPacket[CAPTURE_TRIGGER_SET_OFFSET + 2] == 0) && (USBPacket[CAPTURE_TRIGGER_SET_OFFSET + 3] == 0))
{
USBPacket[CAPTURE_TRIGGER_ENABLE_OFFSET] = CAPTURE_TRIGGER_DISABLE;
}
}
else
{
USBPacket[CAPTURE_TRIGGER_ENABLE_OFFSET] = CAPTURE_TRIGGER_DISABLE;
}
bool USBSuccess = USB_device.Write(USBPacket);
byte[] InputData = new byte[SamplesToCapture];
Value = SamplesToCapture / USB_CMD_PACKET_SIZE;
for (int i = 0; i < Value; i++)
{
USBSuccess = USB_device.Read(USBPacket);
USBPacket.CopyTo(InputData, i * USB_CMD_PACKET_SIZE);
}
PointCollection[] NewChannelsData = new PointCollection[CHANNEL_COUNT];
for (int chnl = 0; chnl < CHANNEL_COUNT; chnl++)
{
NewChannelsData[chnl] = new PointCollection();
}
for (int PointIndex = 0; PointIndex < SamplesToCapture; PointIndex++)
{
for (int chnl = 0; chnl < CHANNEL_COUNT; chnl++)
{
Value = START_Y;
if ((InputData[PointIndex] & (1 << chnl)) == (1 << chnl))
{
Value += PULSE_HEIGHT;
}
NewChannelsData[chnl].Add(new Point(PointIndex, Value));
}
}
//если активированы триггеры, в начало графика добавляются 2 точки,
//соответствующие триггеру канала;
//если у канала нет триггера, добавленные точки повторяют начальную точку канала
if (TriggerActivationCheckBox.IsChecked == true)
{
for (int chnl = 0; chnl < CHANNEL_COUNT; chnl++)
{
for (int PointIndex = 0; PointIndex < SamplesToCapture; PointIndex++)
{
NewChannelsData[chnl][PointIndex] = new Point(NewChannelsData[chnl][PointIndex].X + EXTRA_POINTS_COUNT_FOR_TRIGGER, NewChannelsData[chnl][PointIndex].Y);
}
}
SamplesToCapture += EXTRA_POINTS_COUNT_FOR_TRIGGER;
for (int chnl = 0; chnl < CHANNEL_COUNT; chnl++)
{
switch (Array.IndexOf(TriggersString, Channels[chnl].Trigger))
{
case TRIGGER_NONE:
NewChannelsData[chnl].Insert(0, new Point(1, NewChannelsData[chnl][0].Y));
NewChannelsData[chnl].Insert(0, new Point(0, NewChannelsData[chnl][0].Y));
break;
case TRIGGER_LOW_LEVEL:
NewChannelsData[chnl].Insert(0, new Point(1, PULSE_LOW));
NewChannelsData[chnl].Insert(0, new Point(0, PULSE_LOW));
break;
case TRIGGER_HIGH_LEVEL:
NewChannelsData[chnl].Insert(0, new Point(1, PULSE_HIGH));
NewChannelsData[chnl].Insert(0, new Point(0, PULSE_HIGH));
break;
case TRIGGER_RISING_EDGE:
NewChannelsData[chnl].Insert(0, new Point(1, PULSE_HIGH));
NewChannelsData[chnl].Insert(0, new Point(0, PULSE_LOW));
break;
case TRIGGER_FALLING_EDGE:
case TRIGGER_ANY_EDGE:
NewChannelsData[chnl].Insert(0, new Point(1, PULSE_LOW));
NewChannelsData[chnl].Insert(0, new Point(0, PULSE_HIGH));
break;
}
}
}
for (int chnl = 0; chnl < CHANNEL_COUNT; chnl++)
{
Channels[chnl].CaptureData(NewChannelsData[chnl]);
}
for (int decoder = 0; decoder < IAnalyzers.Count; decoder++)
{
GetPointsAndAnalyze(decoder);
if (decoder == InterfaceComboBox.SelectedIndex)
{
InterfaceItemsListView.ItemsSource = IAnalyzers[decoder].InterfaceParts;
}
}
ScaleXIndex = 1;
Zooming(ZOOM_OUT);
}
}
public MainWindow()
{
InitializeComponent();
Channels = new AnalyzerChannel[CHANNEL_COUNT];
IAnalyzers = new ObservableCollection <IHardwareInterface>();
for (byte i = 0; i < CHANNEL_COUNT; i++)
{
Channels[i] = new AnalyzerChannel();
Channels[i].Index = i;
Channels[i].Name = "канал " + i.ToString();
Channels[i].Trigger = TriggersString[0];
Channels[i].Start_Y = START_Y;
Channels[i].PulseHeight = PULSE_HEIGHT;
}
GraphsCanvas.MouseMove += GraphsCanvas_MouseMove_Panning;
//demo starts
/*
* byte BitCnt = 0;
* for (byte Chnl = 1; Chnl < CHANNEL_COUNT; Chnl++)
* {
* BitCnt = Chnl;
* if (Chnl > 3)
* BitCnt -= 4;
*
* PointCollection RawData = new PointCollection();
*
* for (UInt32 i = 0; i < POINTS_COUNT; i++)
* {
* if (BitCnt <= 1)
* {
* Point NewPoint1 = new Point(i * ScaleX[ScaleXIndex], START_Y);
* RawData.Add(NewPoint1);
* }
* else
* {
* Point NewPoint2 = new Point(i * ScaleX[ScaleXIndex], START_Y + PULSE_HEIGHT);
* RawData.Add(NewPoint2);
* }
*
* BitCnt++;
* if (BitCnt == 4)
* BitCnt = 0;
* }
*
* Channels[Chnl].CaptureData(RawData);
* }
*
* PointCollection CapturedRawData = new PointCollection();
* for (UInt32 i = 0; i < POINTS_COUNT; i++)
* CapturedRawData.Add(new Point(i * ScaleX[ScaleXIndex], START_Y + PULSE_HEIGHT));
* CapturedRawData[120] = new Point(120 * ScaleX[ScaleXIndex], START_Y);
* Channels[0].CaptureData(CapturedRawData);
*/
//demo ends
ChnlInfo.ItemsSource = Channels;
Samples.ItemsSource = SampleCount;
Frequencies.ItemsSource = FreqStrings;
InterfaceComboBox.ItemsSource = IAnalyzers;
InterfaceComboBox.DisplayMemberPath = "Name";
UpdateFrameParameters();
ChnlsTrigHelpTextBox.Text = TriggerHelp;
USBDevDetected = USB_device.Open();
if (USBDevDetected)
{
}
}
