public static Boolean SendAndReceive(ref ICommunicationInterface ci, ref PacketSpinel97 txPacket, out PacketSpinel97 rxPacket, int timeout = 500)
{
rxPacket = null;
byte[] txData = txPacket.GetBin();
ci.Write(txData, 0, txData.Length);
// ci.Write(txData);
return(Receive(ref ci, out txPacket, timeout));
/* byte[] buffer = new byte[1024]; // přijímací buffer
* int index = 0;
* int i;
*
* int bytesToRead = 0;
* DateTime dt = DateTime.Now.AddMilliseconds(timeout); // maximální timeout pro příjem zprávy
* while (DateTime.Now < dt)
* {
* System.Threading.Thread.Sleep(1);
* bytesToRead = (int)ci.BytesToRead();
* if ((bytesToRead > 0) && (index + bytesToRead < 1024))
* {
* index += ci.Read(ref buffer, index, bytesToRead);
* i = GetSpinelPacket(ref buffer, index, out rxPacket); // testujme zda je již přijat kompletní paket
* if ((rxPacket != null) && (i > 0))
* {
* return true;
* }
* }
* }
* return false;
*/
}
public static Boolean Receive(ref ICommunicationInterface ci, out PacketSpinel97 rxPacket, int timeout = 500)
{
rxPacket = null;
byte[] buffer = new byte[1024]; // přijímací buffer
int index = 0;
int i;
int bytesToRead = 0;
DateTime dt = DateTime.Now.AddMilliseconds(timeout); // maximální timeout pro příjem zprávy
while (DateTime.Now < dt)
{
System.Threading.Thread.Sleep(1);
bytesToRead = (int)ci.BytesToRead();
if (bytesToRead > 0)
{
Debug.Print(bytesToRead.ToString());
}
if ((bytesToRead > 0) && (index + bytesToRead < 1024))
{
index += ci.Read(ref buffer, index, bytesToRead);
//Debug.Print(Papouch.Utils.PapUtils.ConvertBinToHex(buffer));
i = GetSpinelPacket(ref buffer, index, out rxPacket); // testujme zda je již přijat kompletní paket
if ((rxPacket != null) && (i > 0))
{
//Debug.Print("packet");
return(true);
}
}
}
//if (bytesToRead!=0)
//Debug.Print("timeout");
return(false);
}
private bool SendAndReceive(Spinel97.PacketSpinel97 packetTx, Spinel97.PacketSpinel97 packetRx, int timeout)
{
if (fSpinelStack != null)
{
return(fSpinelStack.SendAndReceive(packetTx, out packetRx, timeout));
}
return(false);
}
public bool SendAndReceive(Spinel97.PacketSpinel97 packetTx, out Spinel97.PacketSpinel97 packetRx, int timeout)
{
packetRx = null;
PacketSend(packetTx);
int rxtimeout = System.Environment.TickCount + timeout;
while (rxtimeout > System.Environment.TickCount)
{
System.Threading.Thread.Sleep(10);
}
return(false);
}
public static int GetSpinelPacket(ref byte[] data, int dataLength, out PacketSpinel97 packet)
{
packet = null;
int i = 0;
while (((i + 8) <= dataLength) && (data[i] == 0x2A) && (data[i] == 0x61))
{
i++;
}
if ((i + 8) < dataLength)
{
int len = data[i + 2] * 0x100 + data[i + 3] - 5;
if (i + len + 8 <= dataLength)
{
packet = new PacketSpinel97();
packet.PRE = data[i];
packet.FRM = data[i + 1];
packet.ADR = data[i + 4];
packet.SIG = data[i + 5];
packet.INST = data[i + 6];
if (len > 0)
{
byte[] tmp = new byte[len];
Array.Copy(data, i + 7, tmp, 0, len);
packet.SDATA = tmp;
}
packet.SUM = data[i + 7 + len];
packet.CR = data[i + 8 + len];
return(i + len + 8);;
}
}
return(0);
}
