public HamsterScreen(string hwid, bool useImperial)
{
if (hwid == "")
{
_display = YDisplay.FirstDisplay();
if (_display == null)
{
throw new Exception("No Yocto-Display connected");
}
}
else
{
_display = YDisplay.FindDisplay(hwid);
if (!_display.isOnline())
{
throw new Exception("No Yocto-Display named " + hwid + "found");
}
}
_useImperial = useImperial;
_display.resetAll();
_w = _display.get_displayWidth();
_h = _display.get_displayHeight();
_fgLayer = _display.get_displayLayer(2);
_bgLayer = _display.get_displayLayer(1);
}
private async void onLoad(object sender, RoutedEventArgs e)
{
try {
await YAPI.RegisterHub("usb");
sensor = YWeighScale.FirstWeighScale();
if (sensor == null)
{
await FatalError("No WeighScale connected");
}
display = YDisplay.FirstDisplay();
if (display != null)
{
//clean up
await display.resetAll();
// retreive the display size
w = await display.get_displayWidth();
h = await display.get_displayHeight();
// reteive the first layer
l0 = await display.get_displayLayer(0);
l1 = await display.get_displayLayer(1);
// display a text in the middle of the screen
await l0.selectFont("Large.yfm");
}
await sensor.set_excitation(YWeighScale.EXCITATION_AC);
await YAPI.Sleep(3000);
await sensor.tare();
unit = await sensor.get_unit();
await sensor.registerValueCallback(sensorValueChangeCallBack);
} catch (YAPI_Exception ex) {
await FatalError(ex.Message);
}
timer = new NonReentrantDispatcherTimer();
timer.Interval = new TimeSpan(0, 0, 0, 0, 100);
timer.TickTask = async() => { await dispatcherTimer_Tick(); };
timer.Start();
}
/**
* <summary>
* Returns a YDisplayLayer object that can be used to draw on the specified
* layer.
* <para>
* The content is displayed only when the layer is active on the
* screen (and not masked by other overlapping layers).
* </para>
* </summary>
* <param name="layerId">
* the identifier of the layer (a number in range 0..layerCount-1)
* </param>
* <returns>
* an <c>YDisplayLayer</c> object
* </returns>
* <para>
* On failure, throws an exception or returns <c>null</c>.
* </para>
*/
public virtual YDisplayLayerProxy get_displayLayer(int layerId)
{
if (_func == null)
{
throw new YoctoApiProxyException("No Display connected");
}
return(new YDisplayLayerProxy(_func.get_displayLayer(layerId)));
}
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();
}
