private static async Task <MessageResponse> OnOrientationMessageReceived(Message msg, object ctx)
{
AzureModule module = (AzureModule)ctx;
var msgBytes = msg.GetBytes();
var msgString = Encoding.UTF8.GetString(msgBytes);
Log.WriteLine("Orientation msg received: '{0}'", msgString);
var orientationMsg = JsonConvert.DeserializeObject <OrientationMessage>(msgString);
await module.ProcessOrientationMessage(orientationMsg);
return(MessageResponse.Completed);
}
private async Task <MethodResponse> SetFruit(MethodRequest req, object context)
{
string data = Encoding.UTF8.GetString(req.Data);
Log.WriteLine("Direct Method SetFruit {0}", data);
var fruitMsg = JsonConvert.DeserializeObject <FruitMessage>(data);
AzureModule module = (AzureModule)context;
await module.ProcessFruitMessage(fruitMsg);
// Acknowlege the direct method call with a 200 success message
string result = "{\"result\":\"Executed direct method: " + req.Name + "\"}";
return(new MethodResponse(Encoding.UTF8.GetBytes(result), 200));
}
static async Task <int> MainAsync(string[] args)
{
Log.WriteLine("Starting async...");
var Options = new AppOptions();
Options.Parse(args);
Log.Enabled = !Options.Quiet;
Log.Verbose = Options.Verbose;
Log.WriteLine("arg parse complete...");
// TODO: Options.List
Dictionary <string, string> FruitColors = new Dictionary <string, string>()
{
{ "apple", "red" },
{ "pear", "yellow" },
{ "pen", "green" },
{ "grapes", "blue" }
};
AzureConnection connection = null;
GPIODevice gpio = null;
await Task.WhenAll(
Task.Run(async() => {
try {
if (!Options.Test)
{
Log.WriteLine("starting connection creation");
connection = await AzureConnection.CreateAzureConnectionAsync();
}
}
catch (Exception e)
{
Log.WriteLine("GPIO Main CreateAzureConnectionAsync exception {0}", e.ToString());
}
}),
Task.Run(() =>
{
try
{
gpio = new GPIODevice();
gpio.InitOutputPins(Options);
if (Options.Test)
{
Log.WriteLine("initiating pin test");
if (Options.TestTime.HasValue)
{
gpio.Test(Options.TestTime.Value, TimeSpan.FromSeconds(2));
}
else
{
gpio.Test(TimeSpan.FromSeconds(15), TimeSpan.FromSeconds(2));
}
}
}
catch (Exception e)
{
Log.WriteLine("GPIO InitOutputPins exception {0}", e.ToString());
}
}
)
);
try
{
AzureModule m = (AzureModule)connection.Module;
Orientation currentOrientation = Orientation.RightSideUp;
EventHandler <ConfigurationType> ConfigurationChangedHandler = async(object sender, ConfigurationType newConfiguration) =>
{
var module = (AzureModule)sender;
Log.WriteLine("updating gpio pin config with {0}", newConfiguration.ToString());
await gpio.UpdatePinConfigurationAsync(newConfiguration.GpioPins);
};
m.ConfigurationChanged += ConfigurationChangedHandler;
try
{
EventHandler <string> FruitChangedHandler = async(object sender, string fruit) =>
{
Log.WriteLine("fruit changed to {0}", fruit.ToLower());
var module = (AzureModule)sender;
string color = null;
if (FruitColors.ContainsKey(fruit.ToLower()))
{
color = FruitColors[fruit.ToLower()];
}
await Task.Run(() => gpio.ActivePin = color);
};
m.FruitChanged += FruitChangedHandler;
try
{
EventHandler <Orientation> OrientationChangedHandler = async(object sender, EdgeModuleSamples.Common.Orientation o) =>
{
Log.WriteLine("OrientationChanged sent {0}", o.ToString());
//var module = (AzureModule)sender;
Log.WriteLine("Current Orientation {0}", currentOrientation.ToString());
if (o != currentOrientation)
{
currentOrientation = o;
Log.WriteLine("Orientation changing to {0}", o.ToString());
await Task.Run(() => gpio.InvertOutputPins());
}
else
{
Log.WriteLine("Orientation already correct -- skipping", o.ToString());
await Task.CompletedTask;
}
};
m.OrientationChanged += OrientationChangedHandler;
try
{
await Task.Run(async() =>
{
try
{
Log.WriteLine("initializing gpio pin config with {0}", m.Configuration.GpioPins);
await gpio.UpdatePinConfigurationAsync(m.Configuration.GpioPins);
}
catch (Exception e)
{
Log.WriteLine("GPIO UpdatePinConfig Lambda exception {0}", e.ToString());
}
});
await connection.NotifyModuleLoadAsync();
Log.WriteLine("Initialization Complete. have connection and device pins. Active Pin is {0}", gpio.ActivePin == null ? "(null)" : gpio.ActivePin);
Task.WaitAll(Task.Run(() =>
{
try
{
// TODO: cancellation token
for (; ;)
{
Log.WriteLine("{0} wait spin", Environment.TickCount);
gpio.LogInputPins();
Thread.Sleep(TimeSpan.FromSeconds(30));
}
}
catch (Exception e)
{
Log.WriteLine("GPIO wait spin exception {0}", e.ToString());
}
}));
}
finally
{
m.OrientationChanged -= OrientationChangedHandler;
}
}
finally
{
m.FruitChanged -= FruitChangedHandler;
}
}
finally
{
m.ConfigurationChanged += ConfigurationChangedHandler;
}
}
finally
{
gpio.Dispose();
if (connection != null)
{
connection.Dispose();
}
}
return(0);
}
