public void WriteCccd(BleCharacteristic characteristic, BleCccd cccd, BleRequestFlags requestFlags)
{
Throw.If.Null(characteristic, "characteristic");
BleDescriptor descriptor;
if (!characteristic.TryGetDescriptor(BleUuids.Cccd, out descriptor))
{
HidSharpDiagnostics.Trace("Characteristic {0} does not have a CCCD, so {1} could not be written.", characteristic, cccd);
return;
}
if (cccd == BleCccd.Notification)
{
HidSharpDiagnostics.PerformStrictCheck(characteristic.IsNotifiable, "Characteristic doesn't support Notify.");
}
if (cccd == BleCccd.Indication)
{
HidSharpDiagnostics.PerformStrictCheck(characteristic.IsIndicatable, "Characteristic doesn't support Indicate.");
}
var value = new byte[2];
value[0] = (byte)((ushort)cccd >> 0);
value[1] = (byte)((ushort)cccd >> 8);
WriteDescriptor(descriptor, value);
}
public virtual IAsyncResult BeginWriteCharacteristicWithoutResponse(BleCharacteristic characteristic, byte[] value, int offset, int count, BleRequestFlags requestFlags,
AsyncCallback callback, object state)
{
return(AsyncResult <int> .BeginOperation(delegate()
{
WriteCharacteristicWithoutResponse(characteristic, value, offset, count, requestFlags); return 0;
}, callback, state));
}
public virtual bool TryGetCharacteristic(BleUuid uuid, out BleCharacteristic characteristic)
{
foreach (var c in GetCharacteristics())
{
if (c.Uuid == uuid)
{
characteristic = c; return(true);
}
}
characteristic = null; return(false);
}
public BleCccd ReadCccd(BleCharacteristic characteristic, BleRequestFlags requestFlags)
{
BleDescriptor descriptor;
if (!characteristic.TryGetDescriptor(BleUuids.Cccd, out descriptor))
{
HidSharpDiagnostics.Trace("Characteristic {0} does not have a CCCD, so it could not be read.", characteristic);
return(BleCccd.None);
}
var value = ReadDescriptor(descriptor, requestFlags); var cccd = BleCccd.None;
if (value.Length >= 1 && value[0] == (byte)BleCccd.Notification)
{
cccd = BleCccd.Notification;
}
if (value.Length >= 1 && value[0] == (byte)BleCccd.Indication)
{
cccd = BleCccd.Indication;
}
return(cccd);
}
public IAsyncResult BeginWriteCharacteristicWithoutResponse(BleCharacteristic characteristic, byte[] value, int offset, int count,
AsyncCallback callback, object state)
{
return(BeginWriteCharacteristicWithoutResponse(characteristic, value, offset, count, RequestFlags, callback, state));
}
public abstract void WriteCharacteristicWithoutResponse(BleCharacteristic characteristic, byte[] value, int offset, int count, BleRequestFlags requestFlags);
public void WriteCharacteristicWithoutResponse(BleCharacteristic characteristic, byte[] value, int offset, int count)
{
WriteCharacteristicWithoutResponse(characteristic, value, offset, count, RequestFlags);
}
public void WriteCharacteristicWithoutResponse(BleCharacteristic characteristic, byte[] value)
{
Throw.If.Null(value, "value");
WriteCharacteristicWithoutResponse(characteristic, value, 0, value.Length);
}
public abstract byte[] ReadCharacteristic(BleCharacteristic characteristic, BleRequestFlags requestFlags);
public byte[] ReadCharacteristic(BleCharacteristic characteristic)
{
return(ReadCharacteristic(characteristic, RequestFlags));
}
public void WriteCccd(BleCharacteristic characteristic, BleCccd cccd)
{
WriteCccd(characteristic, cccd, RequestFlags);
}
public BleCccd ReadCccd(BleCharacteristic characteristic)
{
return(ReadCccd(characteristic, RequestFlags));
}
public BleEvent(BleCharacteristic characteristic, byte[] value)
{
_characteristic = characteristic; _value = value;
}