// Provision a device via DPS, by sending the PnP model Id as DPS payload.
private static async Task <DeviceRegistrationResult> ProvisionDeviceAsync(Parameters parameters, CancellationToken cancellationToken)
{
SecurityProvider symmetricKeyProvider = new SecurityProviderSymmetricKey(parameters.DeviceId, parameters.DeviceSymmetricKey, null);
ProvisioningTransportHandler mqttTransportHandler = new ProvisioningTransportHandlerMqtt();
var pdc = ProvisioningDeviceClient.Create(parameters.DpsEndpoint, parameters.DpsIdScope, symmetricKeyProvider, mqttTransportHandler);
var pnpPayload = new ProvisioningRegistrationAdditionalData
{
JsonData = $"{{ \"modelId\": \"{ModelId}\" }}",
};
return(await pdc.RegisterAsync(pnpPayload, cancellationToken));
}
static async Task Main(string[] args)
{
using (var security = new SecurityProviderSymmetricKey(registrationId, primaryKey, secondaryKey))
using (var transport = new ProvisioningTransportHandlerMqtt())
{
ProvisioningDeviceClient provClient = ProvisioningDeviceClient.Create(GlobalDeviceEndpoint, idScope, security, transport);
var pnpPayload = new ProvisioningRegistrationAdditionalData
{
JsonData = $"{{ \"modelId\": \"{ModelId}\" }}",
};
DeviceRegistrationResult result = await provClient.RegisterAsync(pnpPayload);
IAuthenticationMethod auth = new DeviceAuthenticationWithRegistrySymmetricKey(result.DeviceId, (security as SecurityProviderSymmetricKey).GetPrimaryKey());
using (iotClient = DeviceClient.Create(result.AssignedHub, auth, TransportType.Mqtt))
{
await iotClient.SetDesiredPropertyUpdateCallbackAsync(OnDesiredPropertyChangedAsync, null).ConfigureAwait(false); // callback for Device Twin updates
await DeviceTwinGetInitialState(iotClient); // Get current cloud state of the device twin
while (true)
{
if (_temperature.IsAvailable)
{
try
{
temperature = Math.Round(_temperature.Temperature.DegreesCelsius, 2);
Console.WriteLine($"The CPU temperature is {temperature}");
await SendMsgIotHub(iotClient, temperature);
roomState = (int)temperature > targetTemperature ? RoomAction.Cooling : (int)temperature < targetTemperature ? RoomAction.Heating : RoomAction.Green;
await UpdateRoomAction(roomState);
if (temperature > maxTemperature)
{
maxTemperature = temperature;
await UpdateDeviceTwin("maxTempSinceLastReboot", maxTemperature);
}
}
catch (Exception ex)
{
Console.WriteLine("exception msg: " + ex.Message);
}
}
Thread.Sleep(2000); // sleep for 2 seconds
}
}
}
}
