/// <summary>
/// Writes a specified number of bytes to the serial port using data from a buffer.
/// </summary>
/// <param name="buffer">The byte array that contains the data to write to the port.</param>
/// <param name="offset">The zero-based byte offset in the buffer parameter at which to begin copying bytes to the port.</param>
/// <param name="count">The number of bytes to write.</param>
/// <remarks>
/// ArgumentException: offset plus count is greater than the length of the buffer.
/// </remarks>
public Windows.Foundation.IAsyncAction Write(
Windows.Storage.Streams.IBuffer buffer,
uint offset,
uint count
)
{
var outputStream = this.cdcData.BulkOutPipes[0].OutputStream;
var writer = new Windows.Storage.Streams.DataWriter(outputStream);
return(Task.Run(async() =>
{
// Overflow check.
if ((int)buffer.Length < (offset + count))
{
throw new System.ArgumentException("Capacity of buffer is not enough.");
}
writer.WriteBuffer(buffer, offset, count);
var written = await writer.StoreAsync();
return;
}
).AsAsyncAction());
}
/// <summary>
/// Writes a specified number of bytes to the serial port using data from a buffer.
/// </summary>
/// <param name="buffer">The byte array that contains the data to write to the port.</param>
/// <param name="offset">The zero-based byte offset in the buffer parameter at which to begin copying bytes to the port.</param>
/// <param name="count">The number of bytes to write.</param>
/// <remarks>
/// ArgumentException: offset plus count is greater than the length of the buffer.
/// </remarks>
public Windows.Foundation.IAsyncAction Write(
Windows.Storage.Streams.IBuffer buffer,
uint offset,
uint count
)
{
var outputStream = this.cdcData.BulkOutPipes[0].OutputStream;
var writer = new Windows.Storage.Streams.DataWriter(outputStream);
return Task.Run(async () =>
{
// Overflow check.
if ((int)buffer.Length < (offset + count))
{
throw new System.ArgumentException("Capacity of buffer is not enough.");
}
writer.WriteBuffer(buffer, offset, count);
var written = await writer.StoreAsync();
return;
}
).AsAsyncAction();
}
