PlatformControllerExecutor.cpp

Go to the documentation of this file.

#include "PlatformControllerExecutor.h"
 
#include <algorithm>
#include <filesystem>
#include <utility>
 
#include <ArmarXCore/core/PackagePath.h>
#include <ArmarXCore/core/exceptions/local/ExpressionException.h>
#include <ArmarXCore/core/logging/Logging.h>
#include <ArmarXCore/core/time/Clock.h>
#include <ArmarXCore/core/time/Duration.h>
#include <ArmarXCore/util/CPPUtility/trace.h>
 
#include <armarx/control/client/ComponentPlugin.h>
#include <armarx/navigation/common/controller_types.h>
#include <armarx/navigation/core/Trajectory.h>
#include <armarx/navigation/core/aron_conversions.h>
#include <armarx/navigation/core/types.h>
#include <armarx/navigation/platform_controller/aron/PlatformLocalTrajectoryControllerConfig.aron.generated.h>
#include <armarx/navigation/platform_controller/controller_descriptions.h>
#include <armarx/navigation/trajectory_control/local/aron_conversions.h>
 
namespace armarx::navigation::server
{
 
    PlatformControllerExecutor::PlatformControllerExecutor(
        ControllerComponentPlugin& controllerComponentPlugin,
        const Properties& properties) :
        controllerPlugin_(controllerComponentPlugin), properties_(properties)
    {
        ARMARX_TRACE;
 
        if (properties_.rtUnitDynamicallyLoadLibraries)
        {
            ARMARX_WARNING
                << "Dynamic loading of the controller library is deactivated (and this "
                   "is also desired). If loading the controllers is failing subsequently, "
                   "make sure that the RobotUnit's property `LoadLibraries` contains "
                   "`armarx_navigation:armarx_navigation_platform_controller`.";
        }
 
        // make default configs available to the memory
        ARMARX_INFO << "Loading default configs";
        {
            // const std::filesystem::path configBasePath =
            //     PackagePath("armarx_navigation", "controller_config").toSystemPath();
 
            ARMARX_TRACE;
            // armarx::control::memory::config::parseAndStoreDefaultConfigs<
            //     armarx::navigation::common::ControllerType::PlatformTrajectory>(
            // "" /*configBasePath*/, controllerComponentPlugin.configMemoryWriter());
 
            ARMARX_TRACE;
        }
 
        // initialize controller
        ARMARX_INFO << "Initializing local trajectory controller";
        {
            ARMARX_TRACE;
            auto builder = controllerPlugin_.createControllerBuilder<
                armarx::navigation::common::ControllerType::PlatformLocalTrajectory>();
 
            ARMARX_TRACE;
 
            const armarx::PackagePath configPath = [&]() -> armarx::PackagePath
            {
                const armarx::PackagePath baseConfigPath(
                    "armarx_navigation", "controller_config/PlatformTrajectory/default.json");
 
                ARMARX_CHECK(std::filesystem::exists(baseConfigPath.toSystemPath()))
                    << baseConfigPath;
 
                const armarx::PackagePath robotSpecificConfigPath(
                    "armarx_navigation",
                    "controller_config/PlatformTrajectory/" + properties_.robotName +
                        "default.json");
 
                if (std::filesystem::exists(robotSpecificConfigPath.toSystemPath()))
                {
                    return robotSpecificConfigPath;
                }
 
                return baseConfigPath;
            }();
 
            auto ctrlWrapper = builder.withNodeSet("PlatformPlanning")
                                   .withConfig(configPath.toSystemPath())
                                   .create();
 
            ARMARX_TRACE;
            ARMARX_CHECK_NOT_NULL(ctrlWrapper);
            localTrajCtrl_ = std::move(ctrlWrapper);
            localTrajCtrlInitialConfig_ = localTrajCtrl_->config;
        }
 
        Clock::WaitFor(Duration::Seconds(1));
 
        ARMARX_INFO << "Initializing global trajectory controller";
        {
            ARMARX_TRACE;
            auto builder = controllerPlugin_.createControllerBuilder<
                armarx::navigation::common::ControllerType::PlatformGlobalTrajectory>();
 
            ARMARX_TRACE;
 
            builder.withNodeSet("PlatformPlanning");
 
 
            // prefer robot-specific config if available
            const armarx::PackagePath robotSpecificConfigPath(
                "armarx_navigation",
                "controller_config/GlobalTrajectory/" + properties.robotName + ".json");
 
            if (std::filesystem::exists(robotSpecificConfigPath.toSystemPath()))
            {
                ARMARX_INFO << "Using robot specific config: " << robotSpecificConfigPath;
                builder.withConfig(robotSpecificConfigPath.toSystemPath());
            }
            else // fallback: use default config
            {
                const armarx::PackagePath configPath(
                    "armarx_navigation", "controller_config/GlobalTrajectory/default.json");
                builder.withConfig(configPath.toSystemPath());
            }
 
            auto ctrlWrapper = builder.create();
 
            ARMARX_TRACE;
            ARMARX_CHECK_NOT_NULL(ctrlWrapper);
            globalTrajCtrl_ = std::move(ctrlWrapper);
            globalTrajCtrlInitialConfig_ = globalTrajCtrl_->config;
        }
 
        Clock::WaitFor(Duration::Seconds(1));
 
        ARMARX_TRACE;
        ARMARX_CHECK_NOT_NULL(localTrajCtrl_);
        ARMARX_VERBOSE << "PlatformControllerExecutor: init done.";
    }
 
    PlatformControllerExecutor::~PlatformControllerExecutor() = default;
 
    void
    PlatformControllerExecutor::execute(const core::LocalTrajectory& trajectory,
                                        const bool activateController)
    {
        ARMARX_VERBOSE << "Received trajectory for execution with " << trajectory.points().size()
                       << " points";
 
        toAron(localTrajCtrl_->config.targets.trajectory, trajectory);
 
        // sends the updated config to the controller and stores it in the memory
        localTrajCtrl_->updateConfig();
 
        if (activateController and not localTrajCtrl_->ctrl()->isControllerActive())
        {
            ARMARX_INFO << "Start local trajectory controller";
 
            localTrajCtrl_->activate();
        }
    }
 
    void
    PlatformControllerExecutor::execute(const core::GlobalTrajectory& trajectory,
                                        const bool activateController)
    {
        ARMARX_VERBOSE << "Received trajectory for execution with " << trajectory.points().size()
                       << " points";
 
        toAron(globalTrajCtrl_->config.targets.trajectory, trajectory);
 
        ARMARX_INFO << "Sending trajectory with "
                    << globalTrajCtrl_->config.targets.trajectory.points.size()
                    << " to controller.";
 
        // sends the updated config to the controller and stores it in the memory
        globalTrajCtrl_->updateConfig();
 
        if (activateController and not globalTrajCtrl_->ctrl()->isControllerActive())
        {
            globalTrajCtrl_->activate();
        }
    }
 
    void
    PlatformControllerExecutor::start(const ControllerType controllerType)
    {
        ARMARX_INFO << "Start";
        switch (controllerType)
        {
            case ControllerType::GlobalTrajectory:
                if (globalTrajCtrl_ and not globalTrajCtrl_->ctrl()->isControllerActive())
                {
                    globalTrajCtrl_->activate();
                }
                break;
            case ControllerType::LocalTrajectory:
                if (localTrajCtrl_ and not localTrajCtrl_->ctrl()->isControllerActive())
                {
                    localTrajCtrl_->activate();
                }
                break;
            case ControllerType::None:
                ARMARX_INFO << "No controller selected.";
                break;
        }
    }
 
    void
    PlatformControllerExecutor::ensureIsActive(const ControllerType controllerType)
    {
        switch (controllerType)
        {
            case ControllerType::GlobalTrajectory:
                if (globalTrajCtrl_)
                {
                    if (not globalTrajCtrl_->ctrl()->isControllerActive())
                    {
                        ARMARX_INFO << deactivateSpam(5)
                                    << "The global trajectory controller is not active but "
                                       "should be. Activating now.";
                        globalTrajCtrl_->activate();
                    }
                }
                break;
            case ControllerType::LocalTrajectory:
                if (localTrajCtrl_)
                {
                    if (not localTrajCtrl_->ctrl()->isControllerActive())
                    {
                        ARMARX_INFO << deactivateSpam(5)
                                    << "The local trajectory controller is not active but "
                                       "should be. Activating now.";
                        localTrajCtrl_->activate();
                    }
                }
                break;
            case ControllerType::None:
                ARMARX_INFO << "No controller selected.";
                break;
        }
    }
 
    void
    PlatformControllerExecutor::stop()
    {
        lastActiveController_ = ControllerType::None;
 
        if (localTrajCtrl_->ctrl()->isControllerActive())
        {
            ARMARX_INFO << "Stopping local trajectory controller.";
            localTrajCtrl_->deactivate();
            lastActiveController_ = ControllerType::LocalTrajectory;
        }
 
        if (globalTrajCtrl_->ctrl()->isControllerActive())
        {
            ARMARX_INFO << "Stopping global trajectory controller.";
            globalTrajCtrl_->deactivate();
            lastActiveController_ = ControllerType::GlobalTrajectory;
        }
 
 
        const auto platformUnitPrx =
            controllerPlugin_.getRobotUnitPlugin().getRobotUnit()->getPlatformUnit();
        if (platformUnitPrx)
        {
            ARMARX_INFO << "Stopping platform via PlatformUnit";
            platformUnitPrx->stopPlatform();
        }
    }
 
    void
    PlatformControllerExecutor::updateVelocityLimits(const core::TwistLimits& limits)
    {
 
        if (localTrajCtrl_->ctrl()->isControllerActive())
        {
            // keep the initial config as the upper limit
            localTrajCtrl_->config.params.limits.linear =
                std::min(limits.linear, localTrajCtrlInitialConfig_.params.limits.linear);
            localTrajCtrl_->config.params.limits.angular =
                std::min(limits.angular, localTrajCtrlInitialConfig_.params.limits.angular);
 
            localTrajCtrl_->updateConfig();
        }
 
        if (globalTrajCtrl_->ctrl()->isControllerActive())
        {
            // keep the initial config as the upper limit
            globalTrajCtrl_->config.params.limits.linear =
                std::min(limits.linear, globalTrajCtrlInitialConfig_.params.limits.linear);
            globalTrajCtrl_->config.params.limits.angular =
                std::min(limits.angular, globalTrajCtrlInitialConfig_.params.limits.angular);
 
            globalTrajCtrl_->updateConfig();
        }
    }
} // namespace armarx::navigation::server