public static void Load()
{
if (PersistentStorage.DetectSDCard())
{
storage = new PersistentStorage("SD");
storage.MountFileSystem();
RemovableMedia.Insert += new InsertEventHandler(RemovableMedia_Insert);
}
}
private static void SDWatcher()
{
const int POLL_TIME = 500; // check every 500 millisecond
bool exists;
while (true)
{
try // If SD card was removed while mounting, it may throw exceptions
{
exists = PersistentStorage.DetectSDCard();
// make sure it is fully inserted and stable
if (exists)
{
Thread.Sleep(50);
exists = PersistentStorage.DetectSDCard();
}
if (exists && sdCard == null)
{
sdCard = new PersistentStorage("SD");
sdCard.MountFileSystem();
}
else if (!exists && sdCard != null)
{
sdCard.UnmountFileSystem();
sdCard.Dispose();
sdCard = null;
}
}
catch
{
if (sdCard != null)
{
sdCard.Dispose();
sdCard = null;
}
}
Thread.Sleep(POLL_TIME);
}
}
private bool MountCardStorage()
{
if (PersistentStorage.DetectSDCard())
{
try
{
lock (this)
{
_cardStorage = new PersistentStorage("SD");
_cardStorage.MountFileSystem();
}
return(true);
}
catch (Exception)
{
ReleaseCardStorage();
return(false);
}
}
return(false);
}
public Storage(string storageType)
{
try
{
if (PersistentStorage.DetectSDCard())
{
ps = new PersistentStorage(storageType);
ps.MountFileSystem();
Debug.Print("SD Card found and mounted.");
}
if (!VolumeInfo.GetVolumes()[0].IsFormatted)
{
Debug.Print("SD Card not formatted.");
throw new HomeMonitorException("SD Card not formatted.");
}
}
catch (Exception e)
{
Debug.Print("Error: No SD Card Found!");
//throw new HomeMonitorException("Error: No SD Card Found!", e);
}
}
public Storage(string storageType, Microsoft.SPOT.Hardware.Cpu.Pin _detectPin)
{
cardDetectPin = new InputPort(_detectPin, false, Port.ResistorMode.PullUp);
try
{
if (PersistentStorage.DetectSDCard())
{
ps = new PersistentStorage(storageType);
ps.MountFileSystem();
Debug.Print("SD Card found and mounted.");
}
if (!VolumeInfo.GetVolumes()[0].IsFormatted)
{
Debug.Print("SD Card not formatted.");
throw new HomeMonitorException("SD Card not formatted.");
}
}
catch (Exception e)
{
Debug.Print("Error: No SD Card Found!");
//throw new HomeMonitorException("Error: No SD Card Found!", e);
}
}
private void ProgramStarted()
{
relayX1Plus = new RelayX1Plus(1);
//gasSense.SetHeatingElement(true);
//new Thread(() =>
//{
// while (true)
// {
// Thread.Sleep(10000);
// Trace.TraceInformation("Gas Sensor: {0}", gasSense.ReadVoltage());
// }
//}).Start();
//temperatureHumidity.MeasurementComplete +=
// (sender, temp, humid) =>
// {
// Trace.TraceInformation("Temp Sensor T: {0}", temp);
// Trace.TraceInformation("Temp Sensor H: {0}", humid);
// };
//new Thread(() =>
//{
// while (true)
// {
// Thread.Sleep(10000);
// temperatureHumidity.RequestMeasurement();
// }
//}).Start();
//new Thread(() =>
//{
// while (true)
// {
// Thread.Sleep(10000);
// Trace.TraceInformation("Light Sensor: {0}", lightSensor.ReadLightSensorPercentage());
// }
//}).Start();
RemovableMedia.Insert +=
(o, e) =>
{
if (e.Volume.Name == SDCardVolumeName)
{
Trace.TraceInformation("SD card inserted");
BootApplication();
}
};
RemovableMedia.Eject +=
(o, e) =>
{
if (e.Volume.Name == SDCardVolumeName)
{
Trace.TraceInformation("SD card removed");
// TODO: what else?
}
};
if (!PersistentStorage.DetectSDCard())
{
Trace.TraceInformation("Insert SD card to boot");
}
else
{
SetupStorage();
}
// Start auto mounting thread
new Thread(SDMountThread).Start();
}