/// <summary>
/// Demonstrates encoding a 'MonitoringB File' of a made up device which counts steps and reports the battery status of the device.
/// </summary>
static void EncodeMonitoringFile()
{
System.DateTime systemStartTime = System.DateTime.Now;
System.DateTime systemTimeNow = systemStartTime;
FileStream fitDest = new FileStream("ExampleMonitoringFile.fit", FileMode.Create, FileAccess.ReadWrite, FileShare.Read);
// Create file encode object
Encode encodeDemo = new Encode();
// Write our header
encodeDemo.Open(fitDest);
// Generate some FIT messages
FileIdMesg fileIdMesg = new FileIdMesg(); // Every FIT file MUST contain a 'File ID' message as the first message
fileIdMesg.SetType(Dynastream.Fit.File.MonitoringB); // See the 'FIT FIle Types Description' document for more information about this file type.
fileIdMesg.SetManufacturer(Manufacturer.Dynastream);
fileIdMesg.SetProduct(1001);
fileIdMesg.SetSerialNumber(54321);
fileIdMesg.SetTimeCreated(new Dynastream.Fit.DateTime(systemTimeNow));
fileIdMesg.SetNumber(0);
encodeDemo.Write(fileIdMesg); // Write the 'File ID Message'
DeviceInfoMesg deviceInfoMesg = new DeviceInfoMesg();
deviceInfoMesg.SetTimestamp(new Dynastream.Fit.DateTime(systemTimeNow));
deviceInfoMesg.SetBatteryStatus(Dynastream.Fit.BatteryStatus.Good);
encodeDemo.Write(deviceInfoMesg);
MonitoringMesg monitoringMesg = new MonitoringMesg();
// By default, each time a new message is written the Local Message Type 0 will be redefined to match the new message.
// In this case,to avoid having a definition message each time there is a DeviceInfoMesg, we can manually set the Local Message Type of the MonitoringMessage to '1'.
// By doing this we avoid an additional 7 definition messages in our FIT file.
monitoringMesg.LocalNum = 1;
// Simulate some data
Random numberOfCycles = new Random(); // Fake a number of cycles
for (int i = 0; i < 4; i++) // Each of these loops represent a quarter of a day
{
for (int j = 0; j < 6; j++) // Each of these loops represent 1 hour
{
monitoringMesg.SetTimestamp(new Dynastream.Fit.DateTime(systemTimeNow));
monitoringMesg.SetActivityType(Dynastream.Fit.ActivityType.Walking); // Setting this to walking will cause Cycles to be interpretted as steps.
monitoringMesg.SetCycles(monitoringMesg.GetCycles() + numberOfCycles.Next(0, 1000)); // Cycles are accumulated (i.e. must be increasing)
encodeDemo.Write(monitoringMesg);
systemTimeNow = systemTimeNow.AddHours(1); // Add an hour to our contrieved timestamp
}
deviceInfoMesg.SetTimestamp(new Dynastream.Fit.DateTime(systemTimeNow));
deviceInfoMesg.SetBatteryStatus(Dynastream.Fit.BatteryStatus.Good); // Report the battery status every quarter day
encodeDemo.Write(deviceInfoMesg);
}
// Update header datasize and file CRC
encodeDemo.Close();
fitDest.Close();
Console.WriteLine("Encoded FIT file ExampleMonitoringFile.fit");
}
