X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Farducontrol.cpp;h=4b89efac1ac57bb013548727fe71ec191c68f6ae;hb=57628dfb3e1874ab73c0c3df02043a4f57feb4b1;hp=3d2d39b1a0b2aca8c13e8018a21f189ecbd975cd;hpb=b746099bd0ed4aac2484b5125135d2c21c3c4082;p=r2c2.git

diff --git a/source/libr2c2/arducontrol.cpp b/source/libr2c2/arducontrol.cpp
index 3d2d39b..4b89efa 100644
--- a/source/libr2c2/arducontrol.cpp
+++ b/source/libr2c2/arducontrol.cpp
@@ -23,6 +23,7 @@ ArduControl::ArduControl(const Options &opts):
 	debug(opts.get<unsigned>("debug")),
 	state_file("arducontrol.state"),
 	power(false),
+	halted(false),
 	active_accessory(0),
 	s88(*this),
 	mfx_search(*this),
@@ -67,8 +68,19 @@ void ArduControl::set_power(bool p)
 	}
 }
 
-void ArduControl::halt(bool)
+void ArduControl::halt(bool h)
 {
+	if(h==halted)
+		return;
+
+	halted = h;
+	if(halted)
+	{
+		for(LocomotiveMap::const_iterator i=locomotives.begin(); i!=locomotives.end(); ++i)
+			set_loco_speed(i->first, 0);
+	}
+
+	signal_halt.emit(halted);
 }
 
 const char *ArduControl::enumerate_protocols(unsigned i) const
@@ -146,6 +158,9 @@ void ArduControl::set_loco_speed(unsigned id, unsigned speed)
 	if(speed>protocol_info[loco.proto].max_speed)
 		throw invalid_argument("ArduControl::set_loco_speed");
 
+	if(speed && halted)
+		return;
+
 	if(loco.speed.set(speed))
 	{
 		PendingCommand cmd(loco, Locomotive::SPEED);
@@ -405,6 +420,8 @@ void ArduControl::tick()
 			acc.state.set(acc.state^lowest_bit);
 			PendingCommand cmd(acc, Accessory::ACTIVATE, i);
 			command_queue.push(cmd);
+
+			monitor.reset_peak();
 		}
 		else
 			accessory_queue.pop_front();
@@ -415,8 +432,23 @@ void ArduControl::tick()
 		Time::TimeStamp t = Time::now();
 		if(t>off_timeout)
 		{
+			Accessory &acc = *active_accessory;
+
+			if(acc.kind==Accessory::TURNOUT && monitor.get_peak()<0.5f)
+			{
+				unsigned bit = 1<<active_index;
+				if(acc.uncertain&bit)
+					acc.uncertain &= ~bit;
+				else
+				{
+					signal_turnout_failed.emit(acc.address);
+					acc.state.rollback();
+					acc.target ^= bit;
+				}
+			}
+
 			off_timeout = Time::TimeStamp();
-			PendingCommand cmd(*active_accessory, Accessory::DEACTIVATE, active_index);
+			PendingCommand cmd(acc, Accessory::DEACTIVATE, active_index);
 			command_queue.push(cmd);
 		}
 	}
@@ -526,6 +558,8 @@ ArduControl::Accessory::Accessory(Kind k, unsigned a, unsigned b):
 	address(a),
 	bits(b),
 	state(0),
+	uncertain((1<<bits)-1),
+	target(0),
 	active_time(500*Time::msec)
 { }
 
@@ -906,10 +940,58 @@ bool ArduControl::MfxSearchTask::pop_info(MfxInfo &info)
 }
 
 
+ArduControl::MonitorTask::MonitorTask():
+	voltage(0),
+	current(0),
+	base_level(0),
+	peak_level(0),
+	next_type(0)
+{ }
+
+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;
+	next_type = (next_type+1)%5;
+
+	return true;
+}
+
+void ArduControl::MonitorTask::process_reply(const char *reply, unsigned length)
+{
+	unsigned char type = reply[0];
+	if(type==INPUT_VOLTAGE && length==3)
+		voltage = ((static_cast<unsigned char>(reply[1])<<8) | static_cast<unsigned char>(reply[2]))/1000.0f;
+	else if(type==TRACK_CURRENT && length==5)
+	{
+		current = ((static_cast<unsigned char>(reply[1])<<8) | static_cast<unsigned char>(reply[2]))/1000.0f;
+		float peak = ((static_cast<unsigned char>(reply[3])<<8) | static_cast<unsigned char>(reply[4]))/1000.0f;
+		peak_level = max(peak_level, peak);
+		base_level = min(base_level, current);
+	}
+}
+
+void ArduControl::MonitorTask::reset_peak()
+{
+	base_level = current;
+	peak_level = current;
+}
+
+
 ArduControl::ControlThread::ControlThread(ArduControl &c):
 	control(c),
 	done(false)
 {
+	tasks.push_back(&control.monitor);
 	tasks.push_back(&control.mfx_announce);
 	tasks.push_back(&control.mfx_search);
 	tasks.push_back(&control.s88);