TimerComponent.cpp
Go to the documentation of this file.
00001 
00002 #include "TimerComponent.hpp"
00003 #include <rtt/Logger.hpp>
00004 #include "ocl/Component.hpp"
00005 
00006 ORO_CREATE_COMPONENT_TYPE()
00007 ORO_LIST_COMPONENT_TYPE( OCL::TimerComponent )
00008 
00009 namespace OCL
00010 {
00011     using namespace std;
00012     using namespace RTT;
00013 
00014     TimerComponent::TimerComponent( std::string name /*= "os::Timer" */ )
00015         : TaskContext( name, PreOperational ), port_timers(32), mtimeoutEvent("timeout"),
00016           mtimer( port_timers, mtimeoutEvent ),
00017           waitForCommand( "waitFor", &TimerComponent::waitFor, this), //, &TimerComponent::isTimerExpired, this),
00018           waitCommand( "wait", &TimerComponent::wait, this) //&TimerComponent::isTimerExpired, this)
00019     {
00020 
00021         // Add the methods, methods make sure that they are
00022         // executed in the context of the (non realtime) caller.
00023 
00024         this->addOperation("arm", &os::Timer::arm , &mtimer, RTT::ClientThread).doc("Arm a single shot timer.").arg("timerId", "A numeric id of the timer to arm.").arg("delay", "The delay in seconds before it fires.");
00025         this->addOperation("startTimer", &os::Timer::startTimer , &mtimer, RTT::ClientThread).doc("Start a periodic timer.").arg("timerId", "A numeric id of the timer to start.").arg("period", "The period in seconds.");
00026         this->addOperation("killTimer", &os::Timer::killTimer , &mtimer, RTT::ClientThread).doc("Kill (disable) an armed or started timer.").arg("timerId", "A numeric id of the timer to kill.");
00027         this->addOperation("isArmed", &os::Timer::isArmed , &mtimer, RTT::ClientThread).doc("Check if a given timer is armed or started.").arg("timerId", "A numeric id of the timer to check.");
00028         this->addOperation("setMaxTimers", &os::Timer::setMaxTimers , &mtimer, RTT::ClientThread).doc("Raise or lower the maximum amount of timers.").arg("timers", "The largest amount of timers. The highest timerId is max-1.");
00029         this->addOperation( waitForCommand ).doc("Wait until a timer expires.").arg("timerId", "A numeric id of the timer to wait for.");
00030         this->addOperation( waitCommand ).doc("Arm and wait until that timer expires.").arg("timerId", "A numeric id of the timer to arm and to wait for.").arg("delay", "The delay in seconds before the timer expires.");
00031         this->addPort(mtimeoutEvent).doc("This port is written each time ANY timer expires. The timer id is the value sent in this port. This port is for backwards compatibility only. It is advised to use the timer_* ports.");
00032         for(unsigned int i=0;i<port_timers.size();i++){
00033             ostringstream port_name;
00034             port_name<<"timer_"<<i;
00035             port_timers[i] = new RTT::OutputPort<RTT::os::Timer::TimerId>(port_name.str());
00036             this->addPort(*(port_timers[i])).doc(string("This port is written each time ")+port_name.str()+string(" expires. The timer id is the value sent in this port."));
00037         }
00038     }
00039 
00040     TimerComponent::~TimerComponent() {
00041         this->stop();
00042         for(unsigned int i=0;i<port_timers.size();i++)
00043             delete port_timers[i];
00044     }
00045 
00046     bool TimerComponent::startHook()
00047     {
00048         return mtimer.getThread() && mtimer.getThread()->start();
00049     }
00050 
00051     void TimerComponent::updateHook()
00052     {
00053         // nop, we just process the wait commands.
00054     }
00055 
00056     void TimerComponent::stopHook()
00057     {
00058         mtimer.getThread()->stop();
00059     }
00060 
00061     bool TimerComponent::wait(RTT::os::Timer::TimerId id, double seconds)
00062     {
00063         return mtimer.arm(id, seconds) && mtimer.waitFor(id);
00064     }
00065 
00066     bool TimerComponent::waitFor(RTT::os::Timer::TimerId id)
00067     {
00068         return mtimer.waitFor(id);
00069     }
00070 
00071     bool TimerComponent::isTimerExpired(RTT::os::Timer::TimerId id) const
00072     {
00073         return !mtimer.isArmed(id);
00074     }
00075 }


ocl
Author(s): OCL Development Team
autogenerated on Sat Jun 8 2019 18:48:55