public async partial Task WriteAsync(ReadOnlyMemory <byte> value, bool withResponse)
{
var buffer = value.ToArray().AsBuffer();
var option = withResponse ? GattWriteOption.WriteWithResponse : GattWriteOption.WriteWithoutResponse;
var result = await characteristic.WriteValueWithResultAsync(buffer, option);
Platform.AssertStatus(result.Status, result.ProtocolError);
}
async Task _WriteValueAsync(ReadOnlyMemory <byte> data, GattWriteOption option)
{
// REVISIT: copying everything twice
var writer = new DataWriter();
writer.WriteBytes(data.ToArray());
switch (option)
{
case GattWriteOption.WriteWithResponse:
var result = await characteristic.WriteValueWithResultAsync(writer.DetachBuffer());
switch (result.Status)
{
case Win.GattCommunicationStatus.Success:
return;
default:
throw new Exception();
}
case GattWriteOption.WriteWithoutResponse:
var result2 = await characteristic.WriteValueAsync(writer.DetachBuffer(), Win.GattWriteOption.WriteWithoutResponse);
switch (result2)
{
case Win.GattCommunicationStatus.Success:
return;
default:
throw new Exception();
}
default:
throw new ArgumentException("Invalid write option", nameof(option));
}
}
