public async Task <RgbData> GetRgbData()
{
RgbData rgbData = new RgbData();
ColorData colorData = await getRawColorData();
if (colorData.Clear > 0)
{
// Find the RGB values from the raw data using the clear data as reference
rgbData.Red = (colorData.Red * 255 / colorData.Clear);
rgbData.Blue = (colorData.Blue * 255 / colorData.Clear);
rgbData.Green = (colorData.Green * 255 / colorData.Clear);
}
return(rgbData);
}
private void SetLedsAccordingToSensorValue(RgbData rgb)
{
// Active LEDs corresponding to not significant color components.
// (This way, most LEDs will be active most of the time.)
int max = rgb.Red > rgb.Green ?
(rgb.Red > rgb.Blue ? rgb.Red : rgb.Blue) :
(rgb.Green > rgb.Blue ? rgb.Green : rgb.Blue);
int min = rgb.Red < rgb.Green ?
(rgb.Red < rgb.Blue ? rgb.Red : rgb.Blue) :
(rgb.Green < rgb.Blue ? rgb.Green : rgb.Blue);
int threshold = (min + max) / 2 + 20;
setLed(0, rgb.Red < threshold);
setLed(1, rgb.Green < threshold);
setLed(2, rgb.Blue < threshold);
}
private async void SendReportToServer(RgbData rgb)
{
const string serverBaseUrl = "http://avalon.aut.bme.hu/kristof/rgbdemo/add.php";
string url = string.Format("{0}?R={1}&G={2}&B={3}", serverBaseUrl, rgb.Red, rgb.Green, rgb.Blue);
try
{
using (HttpClient http = new HttpClient())
{
string response = await http.GetStringAsync(url);
}
}
catch (Exception ex)
{
Debug.WriteLine(string.Format("SendReportToServer error:\n(URL: {0})\n{1}", url, ex.ToString()));
}
}