public void Receive(MPacketReceived packetIn)
{
packetIn.isGood = false;
int tries = 0;
while (!packetIn.isGood && tries++ <= 3)
{
//log("Receive() - waiting... try " + tries);
packetIn.m_string = base.Receive();
//log("received: " + packetIn.m_string);
if (packetIn.m_string.StartsWith("$PMGNCSM"))
{
log("received astray CSM: " + packetIn.m_string);
tries--;
continue;
}
if (m_handshake)
{
string cs = NmeaPacket.checksumReceived(packetIn.m_string);
MPacketCsm packet = new MPacketCsm(cs);
string str = packet.ToString() + NmeaPacket.checksum(packet.ToString());
log("sending handshake response: " + str);
base.Send(str);
}
if (!NmeaPacket.checksumVerify(packetIn.m_string))
{
packetIn.isGood = false;
if (m_handshake)
{
logError("bad checksum, waiting for resent packet");
}
else
{
logError("bad checksum, returning bad packet");
break; // just report the received package, isGood = false
}
}
else
{
packetIn.isGood = packetIn.basicParse(packetIn.m_string);
// packet is good and parsed, so the fields array is filled
}
}
logPacket("received " + (packetIn.isGood?"good":"bad") + " packet=" + packetIn);
}
public void Receive(MPacketReceived packetIn)
{
packetIn.isGood = false;
int tries = 0;
while(!packetIn.isGood && tries++ <= 3)
{
//log("Receive() - waiting... try " + tries);
packetIn.m_string = base.Receive();
//log("received: " + packetIn.m_string);
if(packetIn.m_string.StartsWith("$PMGNCSM"))
{
log("received astray CSM: " + packetIn.m_string);
tries--;
continue;
}
if(m_handshake)
{
string cs = NmeaPacket.checksumReceived(packetIn.m_string);
MPacketCsm packet = new MPacketCsm(cs);
string str = packet.ToString() + NmeaPacket.checksum(packet.ToString());
log("sending handshake response: " + str);
base.Send(str);
}
if (!NmeaPacket.checksumVerify(packetIn.m_string))
{
packetIn.isGood = false;
if(m_handshake)
{
logError("bad checksum, waiting for resent packet");
}
else
{
logError("bad checksum, returning bad packet");
break; // just report the received package, isGood = false
}
}
else
{
packetIn.isGood = packetIn.basicParse(packetIn.m_string);
// packet is good and parsed, so the fields array is filled
}
}
logPacket("received " + (packetIn.isGood?"good":"bad") + " packet=" + packetIn);
}
