Example #1
0
        // This will perform a web API call and then depending on the returned millisecond value
        // return an eLedState value
        // millisecond value > 5 = eLedState.On
        // anything else = eLedState.off
        public async Task <eLedState> MakeWebApiCall()
        {
            Debug.WriteLine("InternetLed::MakeWebApiCall");
            eLedState computedLedState = eLedState.On;

            // Prepare the web API call
            WebRequest request = WebRequest.Create(WebAPIURL);

            // Wait for the response notification
            WebResponse response = await request.GetResponseAsync();

            // Read the response string into memory.
            StreamReader streamReader   = new StreamReader(response.GetResponseStream());
            string       responseString = streamReader.ReadToEnd();

            if (responseString[19] > '5')
            {
                // If the millisecond part of the string is greater than 5 turn on the led
                computedLedState = eLedState.On;
            }
            else
            {
                // Otherwise turn it off
                computedLedState = eLedState.Off;
            }

            // return the computed led state
            return(computedLedState);
        }
 // Change the state of the led from on to off or off to on
 public void Blink()
 {
     if (LedState == eLedState.On)
     {
         LedState = eLedState.Off;
     }
     else
     {
         LedState = eLedState.On;
     }
 }
 // Change the state of the led from on to off or off to on
 public void Blink()
 {
     if (LedState == eLedState.On)
     {
         LedState = eLedState.Off;
     }
     else
     {
         LedState = eLedState.On;
     }
 }
        public void InitalizeLed()
        {
            Debug.WriteLine("InternetLed::InitalizeLed");

            // Now setup the LedControlPin
            gpio = GpioController.GetDefault();

            LedControlGPIOPin = gpio.OpenPin(LedControlPin);
            LedControlGPIOPin.SetDriveMode(GpioPinDriveMode.Output);

            // Get the current pin value
            GpioPinValue startingValue = LedControlGPIOPin.Read();
            _LedState = (startingValue == GpioPinValue.Low) ? eLedState.On : eLedState.Off;
        }
        public void InitalizeLed()
        {
            Debug.WriteLine("InternetLed::InitalizeLed");

            // Now setup the LedControlPin
            gpio = GpioController.GetDefault();

            LedControlGPIOPin = gpio.OpenPin(LedControlPin);
            LedControlGPIOPin.SetDriveMode(GpioPinDriveMode.Output);

            // Get the current pin value
            GpioPinValue startingValue = LedControlGPIOPin.Read();

            _LedState = (startingValue == GpioPinValue.Low) ? eLedState.On : eLedState.Off;
        }