byte[] gbyImgRaw_tmp = new byte[240 * 320 / 4]; // 19200
//byte[] gbyImg2
private int SerialResponseReceiver()
{
if (sPort.IsOpen)
{
Thread.Sleep(1000);
string strRecData;
if (sPort.BytesToRead > 0)
{
strRecData = "";
byte[] buff = new byte[SB_OEM_PKT_SIZE];
sPort.Read(buff, 0, SB_OEM_PKT_SIZE);
strRecData = FingerSensorPacket.ByteToHexString(buff);
Console.WriteLine("RECE: " + strRecData);
//55 AA 01 00 00 00 00 00 30 00 30 01
if (buff[0] != STX1 || buff[1] != STX2)
{
return(PKT_HDR_ERR);
}
if (BitConverter.ToUInt16(buff, 2) != devID)
{
return(PKT_DEV_ID_ERR);
}
lastAck = BitConverter.ToUInt16(buff, 8);
}
else
{
return(PKT_COMM_ERR);
}
}
return(0);
}
private void SendCmd(FingerSensorPacket.SB_OEM_PKT pkt, int pktSize)
{
byte[] _pkt = FingerSensorPacket.StructureToByte(pkt);
Console.WriteLine("SEND: " + FingerSensorPacket.ByteToHexString(_pkt));
isRecv = true;
sPort.Write(_pkt, 0, pktSize);
//SerialDataReceived();
}
private int SerialDataReceiver(int buffSize)
{
if (sPort.IsOpen)
{
string strRecData;
Console.WriteLine("buff size: " + buffSize);
while (sPort.BytesToRead < buffSize)
{
;
}
if (sPort.BytesToRead > 0)
{
strRecData = "";
byte[] comBuff = new byte[buffSize];
//comBuff = Encoding.UTF8.GetBytes(sPort.ReadExisting());
int rSize = sPort.Read(comBuff, 0, buffSize);
Console.WriteLine("serial read size: " + rSize);
strRecData = FingerSensorPacket.ByteToHexString(comBuff);
Console.WriteLine("RECE: " + strRecData);
/*
* [0] 5A : Data start code1
* [1] A5 : Data start code2
* [2-3] DeviceID : Device ID
* [n..] Data : n byte data
* [4+n] checkSum : checksum
*/
if (comBuff[0] != STX3 || comBuff[1] != STX4)
{
return(PKT_HDR_ERR);
}
//BitConverter.ToUInt16(comBuff, 2);
if (BitConverter.ToUInt16(comBuff, 2) != devID)
{
return(PKT_DEV_ID_ERR);
}
switch (buffSize - 6)
{
case 52116: // Image
Array.Copy(comBuff, 4, gbyImg256_tmp, 0, buffSize - 6);
break;
case 30: // open device info
Array.Copy(comBuff, 4, buffDevInfo, 0, buffSize - 6);
break;
case 19200: // rawImage
Array.Copy(comBuff, 4, gbyImgRaw_tmp, 0, buffSize - 6);
break;
}
}
else
{
return(PKT_COMM_ERR);
}
}
return(0);
}
private int SendCmdOrAck(ushort cmd, int param)
{
FingerSensorPacket.SB_OEM_PKT pkt = new FingerSensorPacket.SB_OEM_PKT();
pkt.head1 = (byte)STX1;
pkt.head2 = (byte)STX2;
pkt.devId = devID;
pkt.cmd = cmd;
pkt.param = param;
pkt.chkSum = FingerSensorPacket.CalcChkSumOfCmdAckPkt(pkt);
SendCmd(pkt, SB_OEM_PKT_SIZE);
return(0);
}