private const int SPP_PACKET_DATA_SIZE = 62; // This is because the mtu in wp is 63.
private async Task SendJob(JobDesc job)
{
byte[] p = job.Data;
int byte_sent = 0;
int byte_to_send = p.Length;
while (byte_to_send - byte_sent > 0)
{
int byteLeft = byte_to_send - byte_sent;
int subPacketSize = byteLeft;
if (subPacketSize > SPP_PACKET_DATA_SIZE)
subPacketSize = SPP_PACKET_DATA_SIZE;
byte[] temp = new byte[subPacketSize + 1];
temp[0] = 0;
if (byte_sent == 0)
temp[0] |= 0x01;
if (subPacketSize == byteLeft)
temp[0] |= 0x02;
Array.Copy(p, byte_sent, temp, 1, subPacketSize);
dataWriter.WriteBytes(temp);
await dataWriter.StoreAsync();
await dataWriter.FlushAsync();
byte_sent += subPacketSize;
}
}