]> git.tdb.fi Git - r2c2.git/blobdiff - source/libr2c2/arducontrol.cpp
Add two new telemetry values to the arducontrol driver
[r2c2.git] / source / libr2c2 / arducontrol.cpp
index 0065c4dd5c5f534ce170d50ace90b851fce5e612..7b5fc108f09bf0864776c67b0a9ce7f717edd4c7 100644 (file)
@@ -18,6 +18,16 @@ ArduControl::ProtocolInfo ArduControl::protocol_info[2] =
        { 0x3FFF, 126, 15 }  // MFX
 };
 
+Driver::TelemetryInfo ArduControl::telemetry_info[6] =
+{
+       { "voltage", "Voltage", "V", 1 },
+       { "current", "Current", "A", 2 },
+       { "cmd-rate", "Cmd rate", "/ s", 0 },
+       { "cmd-queue-depth", "Cmd queue", "", 0 },
+       { "acc-queue-depth", "Acc queue", "", 0 },
+       { "s88-latency", "S88 latency", "ms", 0 }
+};
+
 ArduControl::ArduControl(const Options &opts):
        serial(opts.get<string>(string(), "ttyUSB0")),
        debug(opts.get<unsigned>("debug")),
@@ -146,6 +156,14 @@ ArduControl::MfxInfoArray::iterator ArduControl::add_mfx_info(const MfxInfo &inf
        return i;
 }
 
+ArduControl::MfxInfo *ArduControl::find_mfx_info(unsigned id)
+{
+       for(MfxInfoArray::iterator i=mfx_info.begin(); i!=mfx_info.end(); ++i)
+               if(i->id==id)
+                       return &*i;
+       return 0;
+}
+
 void ArduControl::remove_loco(unsigned id)
 {
        Locomotive &loco = get_item(locomotives, id);
@@ -296,6 +314,8 @@ void ArduControl::activate_accessory_by_mask(Accessory &acc, unsigned mask)
        unsigned bit = mask&~(mask-1);
        for(active_index=0; (bit>>active_index)>1; ++active_index) ;
        acc.state.set((acc.state&~bit)|(acc.target&bit));
+       if(debug>=1)
+               IO::print("Setting accessory %d bit %d, state=%d\n", acc.address, active_index, acc.state.pending);
        PendingCommand cmd(acc, Accessory::ACTIVATE, active_index);
        command_queue.push(cmd);
        active_accessory = &acc;
@@ -325,6 +345,32 @@ bool ArduControl::get_sensor(unsigned addr) const
        return get_item(sensors, addr).state;
 }
 
+const Driver::TelemetryInfo *ArduControl::enumerate_telemetry(unsigned i) const
+{
+       if(i<6)
+               return telemetry_info+i;
+       else
+               return 0;
+}
+
+float ArduControl::get_telemetry_value(const string &name) const
+{
+       if(name==telemetry_info[0].name)
+               return monitor.get_voltage();
+       else if(name==telemetry_info[1].name)
+               return monitor.get_current();
+       else if(name==telemetry_info[2].name)
+               return thread.get_command_rate();
+       else if(name==telemetry_info[3].name)
+               return command_queue.size();
+       else if(name==telemetry_info[4].name)
+               return accessory_queue.size();
+       else if(name==telemetry_info[5].name)
+               return s88.get_latency()/Time::msec;
+       else
+               throw key_error(name);
+}
+
 void ArduControl::tick()
 {
        Tag tag;
@@ -457,8 +503,9 @@ void ArduControl::tick()
 
        if(active_accessory && off_timeout)
        {
+               bool success = (monitor.get_peak()>0.35f && monitor.get_current()<monitor.get_peak()-0.2f);
                Time::TimeStamp t = Time::now();
-               if(t>off_timeout)
+               if(t>off_timeout || success)
                {
                        Accessory &acc = *active_accessory;
 
@@ -467,8 +514,10 @@ void ArduControl::tick()
                        // Assume success if we were uncertain of the physical setting
                        if(acc.uncertain&bit)
                                acc.uncertain &= ~bit;
-                       else if(acc.kind==Accessory::TURNOUT && monitor.get_peak()<0.5f)
+                       else if(acc.kind==Accessory::TURNOUT && !success)
                        {
+                               if(debug>=1)
+                                       IO::print("Peak current only %.2f A\n", monitor.get_peak());
                                signal_turnout_failed.emit(acc.address);
                                acc.state.rollback();
                                if(acc.valid_states&(1<<(acc.target^bit)))
@@ -593,7 +642,7 @@ ArduControl::Accessory::Accessory(Kind k, unsigned a, unsigned b, unsigned s):
        state(0),
        uncertain((1<<bits)-1),
        target(0),
-       active_time(500*Time::msec)
+       active_time((bits*700)*Time::msec)
 { }
 
 unsigned ArduControl::Accessory::create_state_command(unsigned b, bool c, char *buffer) const
@@ -690,6 +739,12 @@ bool ArduControl::Queue<T>::pop(T &item)
        return true;
 }
 
+template<typename T>
+unsigned ArduControl::Queue<T>::size() const
+{
+       return items.size();
+}
+
 template<typename T>
 bool ArduControl::Queue<T>::empty() const
 {
@@ -697,7 +752,35 @@ bool ArduControl::Queue<T>::empty() const
 }
 
 
+bool ArduControl::CommandQueueTask::get_work(PendingCommand &cmd)
+{
+       return queue.pop(cmd);
+}
+
+void ArduControl::CommandQueueTask::push(const PendingCommand &cmd)
+{
+       queue.push(cmd);
+}
+
+
+ArduControl::Task::Task(const string &n, unsigned p):
+       name(n),
+       priority(p)
+{ }
+
+void ArduControl::Task::sleep(const Time::TimeDelta &dt)
+{
+       sleep_timeout = Time::now()+dt;
+}
+
+
+ArduControl::CommandQueueTask::CommandQueueTask():
+       Task("CommandQueue")
+{ }
+
+
 ArduControl::RefreshTask::RefreshTask():
+       Task("Refresh", 2),
        next(cycle.end()),
        round(0),
        loco(0),
@@ -784,35 +867,35 @@ void ArduControl::RefreshTask::advance()
        ++next;
        if(next==cycle.end())
        {
-               next= cycle.begin();
+               next = cycle.begin();
                ++round;
        }
 }
 
 
 ArduControl::S88Task::S88Task(ArduControl &c):
+       Task("S88"),
        control(c),
        n_octets(0),
-       octets_remaining(0),
-       delay(0)
+       octets_remaining(0)
 { }
 
 bool ArduControl::S88Task::get_work(PendingCommand &cmd)
 {
-       if(delay)
-       {
-               --delay;
-               return false;
-       }
        if(octets_remaining || !n_octets)
                return false;
 
+       Time::TimeStamp t = Time::now();
+       if(last_poll)
+               latency = t-last_poll;
+       last_poll = t;
+
        octets_remaining = n_octets;
        cmd.command[0] = S88_READ;
        cmd.command[1] = octets_remaining;
        cmd.length = 2;
 
-       delay = 4;
+       sleep(100*Time::msec);
 
        return true;
 }
@@ -861,20 +944,18 @@ void ArduControl::S88Task::grow_n_octets(unsigned n)
 
 
 ArduControl::MfxAnnounceTask::MfxAnnounceTask():
+       Task("MfxAnnounce", 1),
        serial(0)
 { }
 
 bool ArduControl::MfxAnnounceTask::get_work(PendingCommand &cmd)
 {
-       Time::TimeStamp t = Time::now();
-       if(t<next)
-               return false;
-
        cmd.command[0] = MFX_ANNOUNCE;
        cmd.command[1] = serial>>8;
        cmd.command[2] = serial;
        cmd.length = 3;
-       next = t+400*Time::msec;
+
+       sleep(400*Time::msec);
 
        return true;
 }
@@ -886,56 +967,95 @@ void ArduControl::MfxAnnounceTask::set_serial(unsigned s)
 
 
 ArduControl::MfxSearchTask::MfxSearchTask(ArduControl &c):
+       Task("MfxSearch", 1),
        control(c),
        next_address(1),
        size(0),
        bits(0),
-       misses(0)
+       misses(0),
+       pending_info(0),
+       read_array(0),
+       read_offset(0),
+       read_length(0),
+       block_size(0)
 { }
 
 bool ArduControl::MfxSearchTask::get_work(PendingCommand &cmd)
 {
+       if(read_length>0)
+       {
+               cmd.command[0] = MFX_READ;
+               cmd.command[1] = pending_info->address>>8;
+               cmd.command[2] = pending_info->address;
+               unsigned index = read_array*0x40+read_offset;
+               cmd.command[3] = index>>8;
+               cmd.command[4] = index;
+               unsigned length = (read_length>=4 ? 4 : read_length>=2 ? 2 : 1);
+               cmd.command[5] = length;
+               cmd.length = 6;
+
+               sleep(100*Time::msec);
+
+               return true;
+       }
+       else if(pending_info)
+       {
+               queue.push(*pending_info);
+               Tag tag;
+               tag.type = Tag::GENERAL;
+               tag.command = NEW_LOCO;
+               tag.id = pending_info->id;
+               control.completed_commands.push(tag);
+
+               if(control.debug>=1)
+                       IO::print("Completed processing locomotive %s at address %d\n", pending_info->name, pending_info->address);
+
+               delete pending_info;
+               pending_info = 0;
+       }
+
        if(size>32)
        {
+               unsigned address = 0;
+               if(MfxInfo *existing = control.find_mfx_info(bits))
+                       address = existing->address;
+               else
+                       address = next_address++;
+
                if(control.debug>=1)
-                       IO::print("Assigning MFX address %d to decoder %08X\n", next_address, bits);
+                       IO::print("Assigning MFX address %d to decoder %08X\n", address, bits);
 
-               MfxInfo info;
-               info.protocol = "MFX";
-               info.address = next_address;
-               info.name = format("%08X", bits);
-               info.id = bits;
-               queue.push(info);
+               pending_info = new MfxInfo;
+               pending_info->protocol = "MFX";
+               pending_info->address = address;
+               pending_info->name = format("%08X", bits);
+               pending_info->id = bits;
 
                cmd.command[0] = MFX_ASSIGN_ADDRESS;
-               cmd.command[1] = next_address>>8;
-               cmd.command[2] = next_address;
+               cmd.command[1] = address>>8;
+               cmd.command[2] = address;
                for(unsigned i=0; i<4; ++i)
                        cmd.command[3+i] = bits>>(24-i*8);
                cmd.length = 7;
 
-               cmd.tag.type = Tag::GENERAL;
-               cmd.tag.command = NEW_LOCO;
-               cmd.tag.id = bits;
-
                size = 0;
                bits = 0;
-               ++next_address;
+               misses = 0;
+
+               read_array = 0;
+               read_offset = 0;
+               read_length = 6;
 
                return true;
        }
 
-       Time::TimeStamp t = Time::now();
-       if(t<next)
-               return false;
-
        cmd.command[0] = MFX_SEARCH;
        for(unsigned i=0; i<4; ++i)
                cmd.command[1+i] = bits>>(24-i*8);
        cmd.command[5] = size;
        cmd.length = 6;
 
-       next = t+200*Time::msec;
+       sleep(100*Time::msec);
 
        if(control.debug>=1)
                IO::print("Search %08X/%d\n", bits, size);
@@ -960,12 +1080,72 @@ void ArduControl::MfxSearchTask::process_reply(const char *reply, unsigned lengt
                }
                else
                {
-                       next = Time::now()+2*Time::sec;
+                       sleep(2*Time::sec);
                        bits = 0;
                        size = 0;
                        misses = 0;
                }
        }
+       else if(type==MFX_READ_FEEDBACK && length>=3)
+       {
+               if(reply[1])
+               {
+                       misses = 0;
+
+                       for(unsigned i=2; i<length; ++i)
+                               read_data[read_offset+i-2] = reply[i];
+                       read_offset += length-2;
+                       read_length -= length-2;
+
+                       if(!read_length)
+                       {
+                               if(read_array==0)
+                                       block_size = static_cast<unsigned char>(read_data[4])*static_cast<unsigned char>(read_data[5]);
+
+                               bool array_handled = false;
+                               if(read_data[0]==0x18)
+                               {
+                                       for(unsigned i=1; i<read_offset; ++i)
+                                               if(!read_data[i])
+                                               {
+                                                       pending_info->name = string(read_data+1, i-1);
+                                                       array_handled = true;
+                                                       break;
+                                               }
+
+                                       if(!array_handled)
+                                               read_length = 4;
+                               }
+                               else
+                                       array_handled = true;
+
+                               if(array_handled && control.debug>=1)
+                               {
+                                       IO::print("MFX CA %03X:", read_array);
+                                       for(unsigned i=0; i<read_offset; ++i)
+                                               IO::print(" %02X", static_cast<unsigned char>(read_data[i]));
+                                       IO::print("\n");
+                               }
+
+                               if(array_handled && read_array<block_size)
+                               {
+                                       ++read_array;
+                                       read_offset = 0;
+                                       read_length = 1;
+                               }
+                       }
+               }
+               else
+               {
+                       ++misses;
+                       if(misses>=10)
+                       {
+                               if(control.debug>=1)
+                                       IO::print("Failed to read MFX configuration from %d\n", pending_info->address);
+                               read_length = 0;
+                       }
+               }
+       }
 }
 
 void ArduControl::MfxSearchTask::set_next_address(unsigned a)
@@ -980,6 +1160,7 @@ bool ArduControl::MfxSearchTask::pop_info(MfxInfo &info)
 
 
 ArduControl::MonitorTask::MonitorTask():
+       Task("Monitor"),
        voltage(0),
        current(0),
        base_level(0),
@@ -989,17 +1170,13 @@ ArduControl::MonitorTask::MonitorTask():
 
 bool ArduControl::MonitorTask::get_work(PendingCommand &cmd)
 {
-       Time::TimeStamp t = Time::now();
-       if(t<next_poll)
-               return false;
-
        if(next_type==0)
                cmd.command[0] = READ_INPUT_VOLTAGE;
        else
                cmd.command[0] = READ_TRACK_CURRENT;
        cmd.length = 1;
 
-       next_poll = t+200*Time::msec;
+       sleep(200*Time::msec);
        next_type = (next_type+1)%5;
 
        return true;
@@ -1028,8 +1205,11 @@ void ArduControl::MonitorTask::reset_peak()
 
 ArduControl::ControlThread::ControlThread(ArduControl &c):
        control(c),
-       done(false)
+       done(false),
+       cmd_rate(20),
+       cmd_count(0)
 {
+       tasks.push_back(&control.command_queue);
        tasks.push_back(&control.monitor);
        tasks.push_back(&control.mfx_announce);
        tasks.push_back(&control.mfx_search);
@@ -1048,6 +1228,7 @@ void ArduControl::ControlThread::exit()
 void ArduControl::ControlThread::main()
 {
        init_baud_rate();
+       cmd_rate_start = Time::now();
 
        while(!done)
        {
@@ -1090,6 +1271,14 @@ void ArduControl::ControlThread::main()
                                                control.command_queue.push(cmd);
                                }
                        }
+
+                       if(cmd_count>=cmd_rate)
+                       {
+                               Time::TimeStamp t = Time::now();
+                               cmd_rate = cmd_count/((t-cmd_rate_start)/Time::sec);
+                               cmd_rate_start = t;
+                               cmd_count = 0;
+                       }
                }
                else
                        Time::sleep(10*Time::msec);
@@ -1151,12 +1340,33 @@ void ArduControl::ControlThread::init_baud_rate()
 
 bool ArduControl::ControlThread::get_work(PendingCommand &cmd)
 {
-       if(control.command_queue.pop(cmd))
-               return true;
+       Time::TimeStamp t = Time::now();
+
+       unsigned count = 0;
+       for(; (count<tasks.size() && tasks[count]->get_sleep_timeout()<=t); ++count) ;
+
+       for(; count>0; --count)
+       {
+               unsigned i = 0;
+               for(unsigned j=1; j<count; ++j)
+                       if(tasks[j]->get_priority()<tasks[i]->get_priority())
+                               i = j;
+
+               Task *task = tasks[i];
+               bool result = task->get_work(cmd);
 
-       for(vector<Task *>::iterator i=tasks.begin(); i!=tasks.end(); ++i)
-               if((*i)->get_work(cmd))
+               Time::TimeStamp st = max(task->get_sleep_timeout(), t);
+               for(; (i+1<tasks.size() && tasks[i+1]->get_sleep_timeout()<=st); ++i)
+                       tasks[i] = tasks[i+1];
+               tasks[i] = task;
+
+               if(result)
+               {
+                       if(control.debug>=2)
+                               IO::print("Scheduled task %s\n", task->get_name());
                        return true;
+               }
+       }
 
        // As fallback, send an idle packet for the MM protocol
        cmd.command[0] = MOTOROLA_SPEED;
@@ -1222,6 +1432,8 @@ unsigned ArduControl::ControlThread::do_command(const PendingCommand &cmd, const
                        result = r;
        }
 
+       ++cmd_count;
+
        return result;
 }