template<class T , class S >

int StateMachineFTM< T, S >::Execute ( )

inlineprivatevirtual

Implements StateMachineAsio< T >.

Definition at line 2038 of file ftmctrl.cc.

References FTM::State::kConfigError1, FTM::State::kConfigError2, ConnectionFTM::kConfigured, FTM::State::kConfigured1, FTM::State::kConfigured2, FTM::State::kConfiguring1, FTM::State::kConfiguring2, ConnectionFTM::kConnected, FTM::State::kConnected, ConnectionFTM::kDisconnected, FTM::State::kDisconnected, ConnectionFTM::kIdle, FTM::State::kIdle, FTM::kRegister, FTM::kStaticData, ConnectionFTM::kTriggerOn, FTM::State::kTriggerOn, and FTM::State::kValid.

    {
        // If FTM is neither in data taking nor idle,
        // leave configuration state
        switch (fFTM.GetState())
        {
        case ConnectionFTM::kDisconnected: return FTM::State::kDisconnected;
        case ConnectionFTM::kConnected:    return FTM::State::kConnected;
        default:
            break;
        }

        // FIXME: Add timeouts and go to error state
        //        so that a configuration error can be handled
        switch (T::GetCurrentState())
        {
        case FTM::State::kConfiguring1:
            // If FTM has received an anwer to the stop_run command
            // the counter for the registers has been increased
            if (fFTM.GetCounter(FTM::kRegister)<=fCounterReg)
                return FTM::State::kConfiguring1;

            // If now the state is not idle as expected this means we had
            // an error (maybe old events waiting in the queue)
            if (fFTM.GetState()!=ConnectionFTM::kIdle &&
                fFTM.GetState()!=ConnectionFTM::kConfigured)
                return FTM::State::kConfigError1;

            fCounterStat = fFTM.GetCounter(FTM::kStaticData);

            fFTM.CmdSendStatDat(fTargetConfig->second);

            T::Message("Trigger successfully disabled... sending new configuration.");

            // Next state is: wait for the answer to our configuration
            return FTM::State::kConfiguring2;

        case FTM::State::kConfiguring2:
        case FTM::State::kConfigured1:
            // If FTM has received an anwer to the CmdSendStatDat
            // the counter for static data has been increased
            if (fFTM.GetCounter(FTM::kStaticData)<=fCounterStat)
                break;

            // If now the configuration is not what we expected
            // we had an error (maybe old events waiting in the queue?)
            if (fFTM.GetState()!=ConnectionFTM::kConfigured)
                return FTM::State::kConfigError2;

            // Check configuration again when a new static data block
            // will be received
            fCounterStat = fFTM.GetCounter(FTM::kStaticData);

            // This is also displayed when the ratecontrol sends its configuration...
            if (T::GetCurrentState()==FTM::State::kConfiguring2)
                T::Message("Sending new configuration was successfull.");
            else
                T::Message("Configuration successfully updated.");

            // Next state is: wait for the answer to our configuration
            return FTM::State::kConfigured1;

        // This state is set by StartRun [START_TRIGGER]
        case FTM::State::kConfigured2:
            // No answer to the CmdStartRun received yet... go on waiting
            if (fFTM.GetCounter(FTM::kRegister)<=fCounterReg)
                return FTM::State::kConfigured2;

            // Answer received and trigger enable acknowledged
            if (fFTM.GetState()==ConnectionFTM::kTriggerOn)
                return FTM::State::kTriggerOn;

            // If the trigger is not enabled, but the configuration
            // has changed go to error state (should never happen)
            if (fFTM.GetState()!=ConnectionFTM::kConfigured)
                return FTM::State::kConfigError2;

            // Send a new command... the previous one might have gone
            // ignored by the ftm because it was just after a
            // threshold setting during the configured state
            fFTM.CmdStartRun(false);

            // Set counter to wait for answer.
            fCounterReg = fFTM.GetCounter(FTM::kRegister);

            // Go on waiting for a proper acknowledge of the trigger enable
            return FTM::State::kConfigured2;

        case FTM::State::kConfigError1:
        case FTM::State::kConfigError2:
        //case FTM::State::kConfigError3:
            break;

        default:
            switch (fFTM.GetState())
            {
            case ConnectionFTM::kIdle:         return FTM::State::kIdle;
            case ConnectionFTM::kConfigured:   return FTM::State::kValid;
            case ConnectionFTM::kTriggerOn:    return FTM::State::kTriggerOn;
            default:
                throw runtime_error("StateMachineFTM - Execute() - Inavlid state.");
            }
        }

        return T::GetCurrentState();
    }