/*
* (non-Javadoc)
*
* @see
* org.rifidi.edge.sensors.AbstractGPIOService#testGPI(java.lang.String,
* int)
*/
@Override
public boolean testGPI(String readerID, int port) throws CannotExecuteException {
LLRPReaderSession session = super.getSession(readerID);
GET_READER_CONFIG grc = new GET_READER_CONFIG();
grc.setGPOPortNum(new UnsignedShort(0));
grc.setAntennaID(new UnsignedShort(0));
GetReaderConfigRequestedData requestedData = new GetReaderConfigRequestedData();
grc.setRequestedData(requestedData);
grc.setGPIPortNum(new UnsignedShort(0));
GET_READER_CONFIG_RESPONSE grcr = null;
try {
grcr = (GET_READER_CONFIG_RESPONSE) session.transact(grc);
} catch (Exception e) {
throw new CannotExecuteException(
"Exception during transact while trying to " + "obtain GPI information");
}
List<GPIPortCurrentState> gpilist = grcr.getGPIPortCurrentStateList();
for (GPIPortCurrentState gpi : gpilist) {
if (gpi.getGPIPortNum().intValue() == port) {
if (gpi.getState().intValue() == 1) {
return true;
} else {
return false;
}
}
}
throw new CannotExecuteException("No such port found while searching for GPI value: " + port);
}
/*
* (non-Javadoc)
*
* @see org.rifidi.edge.sensors.AbstractGPIOService#setGPO(java.lang.String,
* java.util.Collection)
*/
@Override
public void setGPO(String readerID, Collection<Integer> ports) throws CannotExecuteException {
LLRPReaderSession session = super.getSession(readerID);
GET_READER_CONFIG grc = new GET_READER_CONFIG();
grc.setGPOPortNum(new UnsignedShort(0));
grc.setAntennaID(new UnsignedShort(0));
GetReaderConfigRequestedData requestedData = new GetReaderConfigRequestedData();
grc.setRequestedData(requestedData);
grc.setGPIPortNum(new UnsignedShort(0));
GET_READER_CONFIG_RESPONSE grcr = null;
try {
grcr = (GET_READER_CONFIG_RESPONSE) session.transact(grc);
} catch (Exception e) {
throw new CannotExecuteException(
"Exception during transact while trying to " + "obtain GPO information");
}
int num_ports = grcr.getGPOWriteDataList().size();
List<GPOWriteData> writedata = new ArrayList<GPOWriteData>();
for (int i = 1; i <= num_ports; i++) {
Bit setbit;
if (ports.contains(new Integer(i))) {
setbit = new Bit(1);
} else {
setbit = new Bit(0);
}
GPOWriteData data = new GPOWriteData();
data.setGPOData(setbit);
data.setGPOPortNumber(new UnsignedShort(i));
writedata.add(data);
}
SET_READER_CONFIG src = new SET_READER_CONFIG();
src.setGPOWriteDataList(writedata);
src.setResetToFactoryDefault(new Bit(0));
session.send(src);
}