private async Task UpdateDisplay(string value)
{
double dval = Convert.ToDouble(value);
string txt = String.Format("{0:F2} {1}", dval, unit);
CurVal.Text = txt;
if (display != null)
{
long start = DateTime.Now.Ticks;
try {
await l0.clear();
await l0.drawText(w - 1, h / 2, YDisplayLayer.ALIGN.CENTER_RIGHT, txt);
await display.swapLayerContent(0, 1);
} catch (YAPI_Exception ex) {
await FatalError(ex.Message);
}
long stop = DateTime.Now.Ticks;
long delta = (stop - start) / 1000;
if (delta > 50)
{
Debug.WriteLine("screen update took {0}ms", delta);
}
}
}
public void DisplayFull(double currentspeed, double currentdistance, double currentduration, double maxspeed, double avgspeed, string speedUnit, string timeUnit, string distanceUnit)
{
if (_display.isOnline())
{
_bgLayer.clear();
_bgLayer.selectGrayPen(0);
_bgLayer.drawBar(0, 0, _w, _h);
_bgLayer.selectGrayPen(255);
_bgLayer.selectFont("Small.yfm");
_bgLayer.drawText(1, 1 * _h / 5, YDisplayLayer.ALIGN.CENTER_LEFT, String.Format("speed={0:0.0}{1}", currentspeed, speedUnit));
_bgLayer.drawText(1, 2 * _h / 5, YDisplayLayer.ALIGN.CENTER_LEFT, String.Format("(max={0:0.0}{2} avg={1:0.0}{2})", maxspeed, avgspeed, speedUnit));
_bgLayer.drawText(1, 3 * _h / 5, YDisplayLayer.ALIGN.CENTER_LEFT, String.Format("distance = {0:0.0}{1}", currentdistance, distanceUnit));
_bgLayer.drawText(1, 4 * _h / 5, YDisplayLayer.ALIGN.CENTER_LEFT, String.Format("Time = {0:0.0}{1}", currentduration, timeUnit));
RePaint();
}
}
static void Main(string[] args)
{
Console.WriteLine("Console dotNET Application 0.1.0");
Console.WriteLine("--------------------------------");
Console.WriteLine("");
Console.WriteLine("Using Yoctopuce lib " + YAPI.GetAPIVersion());
string errsmg = "";
if (YAPI.RegisterHub("usb", ref errsmg) != YAPI.SUCCESS)
{
Console.WriteLine("Unable to register the USB port :" + errsmg);
return;
}
YSensor sensor = YSensor.FirstSensor();
if (sensor == null)
{
Console.WriteLine("No Yoctopuce sensor find on USB.");
return;
}
YDisplay display = YDisplay.FirstDisplay();
if (display == null)
{
Console.WriteLine("No Yoctopuce display find on USB.");
return;
}
// display clean up
display.resetAll();
YDisplayLayer l1 = display.get_displayLayer(1);
l1.hide(); // L1 is hidden, l2 stay visible
int w = display.get_displayWidth();
int h = display.get_displayHeight();
while (sensor.isOnline() && display.isOnline())
{
string value = sensor.get_currentValue() + " " + sensor.get_unit();
string name = sensor.get_friendlyName();
// display a text in the middle of the screen
l1.clear();
l1.selectFont("Large.yfm");
l1.drawText(w / 2, h / 2, YDisplayLayer.ALIGN.CENTER, value);
l1.selectFont("Small.yfm");
l1.drawText(w - 1, h - 1, YDisplayLayer.ALIGN.BOTTOM_RIGHT, name);
display.swapLayerContent(0, 1);
Console.WriteLine(name + " ->" + value);
YAPI.Sleep(500, ref errsmg);
}
YAPI.FreeAPI();
}
/**
* <summary>
* Erases the whole content of the layer (makes it fully transparent).
* <para>
* This method does not change any other attribute of the layer.
* To reinitialize the layer attributes to defaults settings, use the method
* <c>reset()</c> instead.
* </para>
* </summary>
* <returns>
* <c>0</c> if the call succeeds.
* </returns>
* <para>
* On failure, throws an exception or returns a negative error code.
* </para>
*/
public virtual int clear()
{
return(_objptr.clear());
}
