public void Initialize(DataRate ouputDataRate = DataRate._95Hz,
AxisSelection axisSelection = AxisSelection.All,
PowerMode powerMode = PowerMode.Active,
HighPassFilterMode hpMode = HighPassFilterMode.Normal,
HighPassConfiguration hpConfiguration = HighPassConfiguration.HPConf0,
Scale scale = Scale._0250,
LowPass2Mode lpMode = LowPass2Mode.Bypassed)
{
// we are setting the 5 control registers in a single SPI write operation
// by taking advantage on the consecutive write capability
byte[] configBuffer = new byte[5];
// control register 1
configBuffer[0] = (byte)axisSelection;
configBuffer[0] |= (byte)powerMode;
configBuffer[0] |= (byte)ouputDataRate;
// control register 2
if (hpMode != HighPassFilterMode.Bypassed)
{
configBuffer[1] = (byte)hpConfiguration;
}
// control register 3 skipped
// control register 4
configBuffer[3] = (byte)scale;
// TDB
// block auto-update
// endianess
// control register 5
if (hpMode != HighPassFilterMode.Bypassed)
{
// high pass filter enabled
configBuffer[4] = 0x10;
if (lpMode != LowPass2Mode.Bypassed)
{
configBuffer[4] |= 0x08 | 0x02;
}
else
{
configBuffer[4] |= 0x04 | 0x01;
}
}
WriteOperation(ControlRegister1, configBuffer);
}
public void doZoomAll(AxisSelection mode = AxisSelection.Both)
{
try
{
if (view != null)
{
double zoom = 1;
switch (mode)
{
case AxisSelection.Both:
zoom = Math.Min(view.ScreenSpaceBounds.Width / view.WorldSpaceBounds.Width,
view.ScreenSpaceBounds.Height / view.WorldSpaceBounds.Height);
break;
case AxisSelection.Vertical:
zoom = view.ScreenSpaceBounds.Height / view.WorldSpaceBounds.Height;
break;
case AxisSelection.Horizontal:
zoom = view.ScreenSpaceBounds.Width / view.WorldSpaceBounds.Width;
break;
}
if (zoomLevels.Any(D => D < zoom))
{
zoom = zoomLevels.Last(D => D < zoom);
}
view.Zoom = zoom;
view.TransposeToAllignPoints(view.WorldSpaceBounds.Middle,
view.ScreenSpaceBounds.Middle().AsPoint(),
mode);
DoViewChangeTasks();
picMain.Refresh();
}
}
catch
{
}
}
public static void TransposeToAllignPoints(this IView2D view, Point2D world, Point screen, AxisSelection mode = AxisSelection.Both)
{
Point2D screenPosWS = view.ScreenSpace2WorldSpace(screen.X, screen.Y);
//nudge the screen so the mouse is zooming in on a point;
Point2D nudge = screenPosWS - world;
nudge *= view.Zoom;
switch (mode)
{
case AxisSelection.Both:
view.TransformX += nudge.X;
view.TransformY += nudge.Y;
break;
case AxisSelection.Vertical:
view.TransformY += nudge.Y;
break;
case AxisSelection.Horizontal:
view.TransformX += nudge.X;
break;
}
}
