private static void SetDateTime()
{
int retryCount = 30;
Debug.WriteLine("Waiting for a valid date & time...");
// if SNTP is available and enabled on target device this can be skipped because we should have a valid date & time
while ((DateTime.UtcNow.Year < 2018))
{
// force update if we haven't a valid time after 30 seconds
if (retryCount-- == 0)
{
Debug.WriteLine("Forcing SNTP update...");
Sntp.UpdateNow();
// reset counter
retryCount = 30;
}
// wait for valid date & time
Thread.Sleep(1000);
}
Debug.WriteLine($"We have valid date & time: {DateTime.UtcNow.ToString()}");
DateTimeAvailable.Set();
}
public void Dispose()
{
//should dispose of SD and Char display (at least!)
#if ORGPAL_THREE
palthreeDisplay.Dispose();
palAdcExpBoard.Dispose();
palthreeInternalAdc.Dispose();
palthreeButtons.Dispose();
#endif
//System.IO.FileStream -- Dispose??
sendTelemetryTimer.Dispose();
sendShadowTimer.Dispose();
AwsIotCore.MqttConnector.Client.Close();
AwsIotCore.MqttConnector.Client.Dispose();
Sntp.Stop();
_logger = null;
}
public static void Main()
{
// Wait for DHCP
while (IPAddress.GetDefaultLocalAddress() == IPAddress.Any)
{
Thread.Sleep(50);
}
// Update the current time (since Twitter OAuth API requests require a valid timestamp)
DateTime utcTime = Sntp.GetCurrentUtcTime();
Microsoft.SPOT.Hardware.Utility.SetLocalTime(utcTime);
// Set up application and user credentials
// Visit https://apps.twitter.com/ to create a new Twitter application and get API keys/user access tokens
var appCredentials = new OAuthApplicationCredentials()
{
ConsumerKey = "YOUR_CONSUMER_KEY_HERE",
ConsumerSecret = "YOUR_CONSUMER_SECRET_HERE",
};
var userCredentials = new OAuthUserCredentials()
{
AccessToken = "YOUR_ACCESS_TOKEN",
AccessTokenSecret = "YOUR_ACCESS_TOKEN_SECRET",
};
// Create new Twitter client with these credentials
var twitter = new TwitterClient(appCredentials, userCredentials);
// Verify the credentials and get the current user's account info
try
{
var currentUser = twitter.GetCurrentUser();
Debug.Print("Authenticated user account: @" + currentUser.ScreenName);
}
catch (Exception e)
{
Debug.Print("Could not verify account credentials.");
Debug.Print(e.ToString());
}
// Send a tweet
try
{
var tweet = twitter.SendTweet("Trying out MicroTweet! #netmf");
Debug.Print("Posted a new tweet with ID: " + tweet.ID);
}
catch (Exception e)
{
Debug.Print("Could not send tweet.");
Debug.Print(e.ToString());
}
// Get recent tweets from the home timeline
try
{
var tweets = twitter.GetHomeTimeline(5);
Debug.Print("Recent tweets from your timeline:");
foreach (Tweet tweet in tweets)
{
Debug.Print(" Tweet from @" + tweet.User.ScreenName + ": \"" + tweet.Text + "\"");
}
}
catch (Exception e)
{
Debug.Print("Could not retrieve timeline.");
Debug.Print(e.ToString());
}
// Get recent tweets from a specific user
try
{
var tweets = twitter.GetUserTimeline("twitter");
Debug.Print("Recent tweets from @twitter's timeline:");
foreach (Tweet tweet in tweets)
{
Debug.Print(" Tweet from @" + tweet.User.ScreenName + ": \"" + tweet.Text + "\"");
}
}
catch (Exception e)
{
Debug.Print("Could not retrieve timeline.");
Debug.Print(e.ToString());
}
}
