bool initSim(const std::string& _robot_namespace,
ros::NodeHandle _nh,
gazebo::physics::ModelPtr _model,
const urdf::Model* const _urdf_model,
std::vector<transmission_interface::TransmissionInfo> _transmissions)
{
using gazebo::physics::JointPtr;
this->CleanUp();
// simulation joints
sim_joints_ = _model->GetJoints();
int n_dof = sim_joints_.size();
#ifdef MULTIPLE_JOINTS
this->GetJointNames(_nh);
this->Resize();
#endif
this->RegisterHardwareInterfaces();
}
//Here we already have the model!
bool robotSim::gazeboConfigureHook(gazebo::physics::ModelPtr model) {
if (model.get() == NULL) {
RTT::log(RTT::Error) << "No model could be loaded" << RTT::endlog();
return false;
}
if (!_models_loaded) {
RTT::log(RTT::Error) << "URDF and SRDF models has not been passed. Call loadURDFAndSRDF(URDF_path, SRDF_path)" << RTT::endlog();
return false;
}
// Get the joints
gazebo_joints_ = model->GetJoints();
model_links_ = model->GetLinks();
RTT::log(RTT::Info) << "Model name "<< model->GetName() << RTT::endlog();
RTT::log(RTT::Info) << "Model has " << gazebo_joints_.size() << " joints" << RTT::endlog();
RTT::log(RTT::Info) << "Model has " << model_links_.size() << " links" << RTT::endlog();
for(unsigned int i = 0; i < _xbotcore_model.get_chain_names().size(); ++i){
std::string chain_name = _xbotcore_model.get_chain_names()[i];
std::vector<std::string> enabled_joints_in_chain;
_xbotcore_model.get_enabled_joints_in_chain(chain_name,enabled_joints_in_chain);
kinematic_chains.insert(std::pair<std::string, boost::shared_ptr<KinematicChain>>(
chain_name, boost::shared_ptr<KinematicChain>(
new KinematicChain(chain_name, enabled_joints_in_chain, *(this->ports()), model
#ifdef USE_INTROSPECTION
,this
#endif
))));
}
RTT::log(RTT::Info) << "Kinematic Chains map created!" << RTT::endlog();
for(std::map<std::string, boost::shared_ptr<KinematicChain>>::iterator it = kinematic_chains.begin();
it != kinematic_chains.end(); it++){
if(!(it->second->initKinematicChain(gains.Gains))){
RTT::log(RTT::Warning) << "Problem Init Kinematic Chain" <<
it->second->getKinematicChainName() << RTT::endlog();
return false;
}
}
RTT::log(RTT::Info) << "Kinematic Chains Initialized!" << RTT::endlog();
RTT::log(RTT::Info) << "Checking Sensors (URDF/SRDF)"<<RTT::endlog();
std::map<std::string,int> ft_srdf = _xbotcore_model.get_ft_sensors();
std::map<std::string,int> imu_srdf = _xbotcore_model.get_imu_sensors();
RTT::log(RTT::Info) << "Force Update of SensorManager (before accessing sensors)!" << RTT::endlog();
gazebo::sensors::SensorManager::Instance()->Update(true);
RTT::log(RTT::Info) << "Checking Sensors (Gazebo)"<<RTT::endlog();
gazebo::sensors::Sensor_V sensors = gazebo::sensors::SensorManager::Instance()->GetSensors();
gazebo::sensors::Sensor_V sensors_attached_to_robot;
for(unsigned int i = 0; i < sensors.size(); ++i){
if(sensors[i]->ScopedName().find("::"+model->GetName()+"::") != std::string::npos)
sensors_attached_to_robot.push_back(sensors[i]);
}
for(std::map<std::string,int>::iterator i = ft_srdf.begin(); i != ft_srdf.end(); i++)
{
force_torque_sensor ft(i->first, model, _xbotcore_model.get_urdf_model(),
sensors_attached_to_robot,
*(this->ports())
#ifdef USE_INTROSPECTION
,this
#endif
);
if(ft.isInited())
force_torque_sensors.push_back(ft);
}
for(std::map<std::string,int>::iterator i = imu_srdf.begin(); i != imu_srdf.end(); ++i){
imu_sensor imu_(i->first,sensors_attached_to_robot,*(this->ports()));
if(imu_.isInited())
imu_sensors.push_back(imu_);
}
RTT::log(RTT::Warning) << "Done Configuring Component" << RTT::endlog();
return true;
}
bool SteerBotHardwareGazebo::initSim(const std::string& robot_namespace,
ros::NodeHandle nh,
gazebo::physics::ModelPtr model,
const urdf::Model* const urdf_model,
std::vector<transmission_interface::TransmissionInfo> transmissions)
{
using gazebo::physics::JointPtr;
nh_ = nh;
// Simulation joints
sim_joints_ = model->GetJoints();
n_dof_ = sim_joints_.size();
this->CleanUp();
this->GetJointNames(nh_);
this->RegisterHardwareInterfaces();
nh_.param(ns_ + "wheel_separation_w", wheel_separation_w_);
nh_.param(ns_ + "wheel_separation_h", wheel_separation_h_);
ROS_INFO_STREAM("wheel_separation_w = " << wheel_separation_w_);
ROS_INFO_STREAM("wheel_separation_h = " << wheel_separation_h_);
nh_.param(ns_ + "enable_ackermann_link", true);
ROS_INFO_STREAM("enable_ackermann_link = " << (enable_ackermann_link_ ? "true" : "false"));
#ifdef JOINT_LIMIT
// Position joint limits interface
std::vector<std::string> cmd_handle_names = steer_jnt_pos_cmd_interface_.getNames();
for (size_t i = 0; i < n_dof_; ++i)
{
const std::string name = cmd_handle_names[i];
// unless current handle is not pos interface for steer, skip
if(name != virtual_steer_jnt_names_[INDEX_RIGHT] && name != virtual_steer_jnt_names_[INDEX_LEFT])
continue;
JointHandle cmd_handle = steer_jnt_pos_cmd_interface_.getHandle(name);
using namespace joint_limits_interface;
boost::shared_ptr<const urdf::Joint> urdf_joint = urdf_model->getJoint(name);
JointLimits limits;
SoftJointLimits soft_limits;
if (!getJointLimits(urdf_joint, limits) || !getSoftJointLimits(urdf_joint, soft_limits))
{
ROS_WARN_STREAM("Joint limits won't be enforced for joint '" << name << "'.");
}
else
{
jnt_limits_interface_.registerHandle(
PositionJointSoftLimitsHandle(cmd_handle, limits, soft_limits));
ROS_DEBUG_STREAM("Joint limits will be enforced for joint '" << name << "'.");
}
}
#endif
// PID controllers for wheel
const int virtual_jnt_cnt_ = virtual_rear_wheel_jnt_names_.size();
pids_.resize(virtual_jnt_cnt_);
for (size_t i = 0; i < virtual_jnt_cnt_; ++i)
{
const std::string jnt_name = virtual_rear_wheel_jnt_names_[i];
const ros::NodeHandle joint_nh(nh, "gains/" + jnt_name);
ROS_INFO_STREAM("Trying to set pid param of '" << jnt_name << " ' at PID proc in init()");
if (!pids_[i].init(joint_nh))
{
ROS_INFO_STREAM("Faied to set pid param of '" << jnt_name << " ' at PID proc in init()");
return false;
}
ROS_INFO_STREAM("Succeeded to set pid param of '" << jnt_name << " ' at PID proc in init()");
}
return true;
}