public bool ConnectRFID()//port:COM1, baudRate:9600
{
//=====================================================================
// This function opens the port(connection) to ACR120 reader
// using BaudRate specified.
//=====================================================================
if (this.isConnected)
{
this._lastError = "Device is already connected.";
return(false);
}
int iPort = int.Parse(Registry.GetKey("ComPort", "COM1").Substring(3));
g_rHandle = ACR120.ACR120_Open(iPort - 1, ACR120.ACR120_COM_BAUDRATE_9600);
if (g_rHandle != 0)
{
this._lastError = "[X] " + ACR120.GetErrMsg(g_rHandle);
}
else
{
//Functions.MsgBox("Connected to COM" + String.Format("{0}", 1));
//g_isConnected = true;
this.isConnected = true;
// set Station ID = 1 this is factory default
g_SID = 1;
}
return(this.isConnected);
}
public string ListTagRFID()
{
//=====================================================================
// This function list the serial number of all tags within the
// readable antenna range
//=====================================================================
//Variable Declarations
byte[] Tag = new byte[50];
byte TagFound = 0;
byte[] SN = new byte[255];
int ctr, ctr1, indx, ctr2;
string snstr;
g_retCode = ACR120.ACR120_ListTag(g_rHandle, g_SID, ref TagFound, ref pHaveTag, ref Tag[0], ref SN[0]);
if (g_retCode != 0)
{
this._lastError = "[X] " + ACR120.GetErrMsg(g_retCode);
return("");
}
else
{
//Functions.MsgBox("List Tag Success: " + String.Format("{0}", g_retCode));
//Functions.MsgBox("Tag Found: " + String.Format("{0}", TagFound));
indx = 0;
ctr2 = 0;
snstr = "";
// Parse the serial number array
for (ctr1 = 0; ctr1 < TagFound; ctr1++)
{
if (pHaveTag)
{
if ((Tag[ctr1] == 4) || (Tag[ctr1] == 5))
{
snstr = "";
for (ctr = indx; ctr < 7; ctr++)
{
snstr = snstr + string.Format("{0:X2} ", SN[ctr]);
indx++;
}
}
else
{
snstr = "";
for (ctr = indx; ctr < 4; ctr++)
{
snstr = snstr + string.Format("{0:X2} ", SN[ctr]);
indx++;
}
}
}
else
{
snstr = "";
for (ctr = indx; ctr < Tag[ctr1] + ctr2; ctr++)
{
snstr = snstr + string.Format("{0:X2} ", SN[ctr]);
indx++;
}
return(snstr);
}
//Functions.MsgBox("Tag(" + string.Format("{0}", ctr1) + ") : " + snstr);
ctr2 = indx;
return(snstr);
}
return("");
}
}