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No commits in common. "91a042ef9f99894932c711739da70eebd78594f0" and "2d858ab96152db5b952ab8b6db44e9e4f056ed7a" have entirely different histories.

4 changed files with 46 additions and 70 deletions

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@ -54,9 +54,7 @@ def generate_launch_description():
get_yaml(join(config_root, 'ompl_planning.yaml')), get_yaml(join(config_root, 'ompl_planning.yaml')),
get_yaml(join(config_root, 'trajectory.yaml')), get_yaml(join(config_root, 'trajectory.yaml')),
get_yaml(join(config_root, 'planning_scene.yaml')), get_yaml(join(config_root, 'planning_scene.yaml')),
get_yaml(join(config_root, "ar3_controllers.yaml")), get_yaml(join(config_root, "ar3_controllers.yaml"))],
{ "default_planning_pipeline": "ompl" },
{ "planning_pipelines": {"pipeline_names":["ompl"], "ompl": {"planning_plugin": "ompl_interface/OMPLPlanner"} } }]
), ),
# Our joystick node # Our joystick node
@ -135,7 +133,7 @@ def generate_launch_description():
get_yaml(join(config_root, 'planning_scene.yaml')), get_yaml(join(config_root, 'planning_scene.yaml')),
get_yaml(join(config_root, "ar3_controllers.yaml")), get_yaml(join(config_root, "ar3_controllers.yaml")),
{ "default_planning_pipeline": "move_group" }, { "default_planning_pipeline": "move_group" },
{ "planning_pipelines": {"pipeline_names":["ompl"], "ompl": {"planning_plugin": "ompl_interface/OMPLPlanner"} } } { "planning_pipelines": [ "ompl", "move_group"] }
], ],
), ),

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@ -14,7 +14,6 @@ namespace ar3_hardware
hardware_interface::return_type Ar3SystemHardware::configure( hardware_interface::return_type Ar3SystemHardware::configure(
const hardware_interface::HardwareInfo & info) const hardware_interface::HardwareInfo & info)
{ {
// Initialize default configuration
if (configure_default(info) != hardware_interface::return_type::OK) if (configure_default(info) != hardware_interface::return_type::OK)
{ {
return hardware_interface::return_type::ERROR; return hardware_interface::return_type::ERROR;
@ -22,15 +21,12 @@ hardware_interface::return_type Ar3SystemHardware::configure(
//hw_start_sec_ = stod(info_.hardware_parameters["example_param_hw_start_duration_sec"]); //hw_start_sec_ = stod(info_.hardware_parameters["example_param_hw_start_duration_sec"]);
//hw_stop_sec_ = stod(info_.hardware_parameters["example_param_hw_stop_duration_sec"]); //hw_stop_sec_ = stod(info_.hardware_parameters["example_param_hw_stop_duration_sec"]);
// Resize position and command vectors to match actual configuration
// This makes sure a default value is initialized for each joint and saves
hw_positions_.resize(info_.joints.size(), std::numeric_limits<double>::quiet_NaN()); hw_positions_.resize(info_.joints.size(), std::numeric_limits<double>::quiet_NaN());
hw_commands_.resize(info_.joints.size(), std::numeric_limits<double>::quiet_NaN()); hw_commands_.resize(info_.joints.size(), std::numeric_limits<double>::quiet_NaN());
for (const hardware_interface::ComponentInfo & joint : info_.joints) for (const hardware_interface::ComponentInfo & joint : info_.joints)
{ {
// We only use one command interface // DiffBotSystem has exactly two states and one command interface on each joint
if (joint.command_interfaces.size() != 1) if (joint.command_interfaces.size() != 1)
{ {
RCLCPP_FATAL( RCLCPP_FATAL(
@ -40,7 +36,6 @@ hardware_interface::return_type Ar3SystemHardware::configure(
return hardware_interface::return_type::ERROR; return hardware_interface::return_type::ERROR;
} }
// Make sure the command interface is in position mode
if (joint.command_interfaces[0].name != hardware_interface::HW_IF_POSITION) if (joint.command_interfaces[0].name != hardware_interface::HW_IF_POSITION)
{ {
RCLCPP_FATAL( RCLCPP_FATAL(
@ -50,7 +45,6 @@ hardware_interface::return_type Ar3SystemHardware::configure(
return hardware_interface::return_type::ERROR; return hardware_interface::return_type::ERROR;
} }
// We only publish to one state interface
if (joint.state_interfaces.size() != 1) if (joint.state_interfaces.size() != 1)
{ {
RCLCPP_FATAL( RCLCPP_FATAL(
@ -60,7 +54,6 @@ hardware_interface::return_type Ar3SystemHardware::configure(
return hardware_interface::return_type::ERROR; return hardware_interface::return_type::ERROR;
} }
// Make sure the state interface is in position mode
if (joint.state_interfaces[0].name != hardware_interface::HW_IF_POSITION) if (joint.state_interfaces[0].name != hardware_interface::HW_IF_POSITION)
{ {
RCLCPP_FATAL( RCLCPP_FATAL(
@ -78,7 +71,6 @@ hardware_interface::return_type Ar3SystemHardware::configure(
std::vector<hardware_interface::StateInterface> Ar3SystemHardware::export_state_interfaces() std::vector<hardware_interface::StateInterface> Ar3SystemHardware::export_state_interfaces()
{ {
// Tell the controller about all joints that we publish state info for
std::vector<hardware_interface::StateInterface> state_interfaces; std::vector<hardware_interface::StateInterface> state_interfaces;
for (auto i = 0u; i < info_.joints.size(); i++) for (auto i = 0u; i < info_.joints.size(); i++)
{ {
@ -91,7 +83,6 @@ std::vector<hardware_interface::StateInterface> Ar3SystemHardware::export_state_
std::vector<hardware_interface::CommandInterface> Ar3SystemHardware::export_command_interfaces() std::vector<hardware_interface::CommandInterface> Ar3SystemHardware::export_command_interfaces()
{ {
// Tell the controller about all joints that we take commands from
std::vector<hardware_interface::CommandInterface> command_interfaces; std::vector<hardware_interface::CommandInterface> command_interfaces;
for (auto i = 0u; i < info_.joints.size(); i++) for (auto i = 0u; i < info_.joints.size(); i++)
{ {
@ -116,12 +107,6 @@ hardware_interface::return_type Ar3SystemHardware::start()
} }
} }
// Hack to make sure the node stays running by putting it in its own thread.
// this is because we wrote the hardware interface in python earlier and
// the driver just listens on some subscribers. This allows a node in this
// controller to publish values to that driver
// The correct thing to do would be to move all of the driver code into this
// controller and remove the node, publishers, and subscribers entierly
executor_ = std::make_shared<rclcpp::executors::MultiThreadedExecutor>(); executor_ = std::make_shared<rclcpp::executors::MultiThreadedExecutor>();
nh_ = std::make_shared<rclcpp::Node>("ar3_hardware"); nh_ = std::make_shared<rclcpp::Node>("ar3_hardware");
executor_->add_node(nh_); executor_->add_node(nh_);
@ -133,8 +118,6 @@ hardware_interface::return_type Ar3SystemHardware::start()
}; };
thread_executor_spin_ = std::thread(spin); thread_executor_spin_ = std::thread(spin);
// Create joint state publishers
// TODO: Don't use Float32, use Pose
j1_pub_ = nh_->create_publisher<std_msgs::msg::Float32>("/move/j1", 10); j1_pub_ = nh_->create_publisher<std_msgs::msg::Float32>("/move/j1", 10);
j2_pub_ = nh_->create_publisher<std_msgs::msg::Float32>("/move/j2", 10); j2_pub_ = nh_->create_publisher<std_msgs::msg::Float32>("/move/j2", 10);
j3_pub_ = nh_->create_publisher<std_msgs::msg::Float32>("/move/j3", 10); j3_pub_ = nh_->create_publisher<std_msgs::msg::Float32>("/move/j3", 10);
@ -142,8 +125,6 @@ hardware_interface::return_type Ar3SystemHardware::start()
j5_pub_ = nh_->create_publisher<std_msgs::msg::Float32>("/move/j5", 10); j5_pub_ = nh_->create_publisher<std_msgs::msg::Float32>("/move/j5", 10);
j6_pub_ = nh_->create_publisher<std_msgs::msg::Float32>("/move/j6", 10); j6_pub_ = nh_->create_publisher<std_msgs::msg::Float32>("/move/j6", 10);
// Create joint command subscribers
// TODO: Don't use Float32, use Pose
s_j1 = nh_->create_subscription<std_msgs::msg::Float32>("/update/j1", 10, std::bind(&Ar3SystemHardware::update_j1_cb, this, std::placeholders::_1)); s_j1 = nh_->create_subscription<std_msgs::msg::Float32>("/update/j1", 10, std::bind(&Ar3SystemHardware::update_j1_cb, this, std::placeholders::_1));
s_j2 = nh_->create_subscription<std_msgs::msg::Float32>("/update/j2", 10, std::bind(&Ar3SystemHardware::update_j2_cb, this, std::placeholders::_1)); s_j2 = nh_->create_subscription<std_msgs::msg::Float32>("/update/j2", 10, std::bind(&Ar3SystemHardware::update_j2_cb, this, std::placeholders::_1));
s_j3 = nh_->create_subscription<std_msgs::msg::Float32>("/update/j3", 10, std::bind(&Ar3SystemHardware::update_j3_cb, this, std::placeholders::_1)); s_j3 = nh_->create_subscription<std_msgs::msg::Float32>("/update/j3", 10, std::bind(&Ar3SystemHardware::update_j3_cb, this, std::placeholders::_1));
@ -169,10 +150,6 @@ hardware_interface::return_type Ar3SystemHardware::stop()
return hardware_interface::return_type::OK; return hardware_interface::return_type::OK;
} }
// These callbacks are called from the command subscribers, they update
// the hw_positions_ array with the current joint state that will be
// sent to the controller.
// Again, this is wrong and these values should be filled in by the read() function
void Ar3SystemHardware::update_j1_cb(std_msgs::msg::Float32::SharedPtr msg) { void Ar3SystemHardware::update_j1_cb(std_msgs::msg::Float32::SharedPtr msg) {
hw_positions_[0] = msg->data; hw_positions_[0] = msg->data;
} }
@ -224,7 +201,6 @@ hardware_interface::return_type ar3_hardware::Ar3SystemHardware::write()
{ {
//RCLCPP_INFO(rclcpp::get_logger("Ar3SystemHardware"), "Writing..."); //RCLCPP_INFO(rclcpp::get_logger("Ar3SystemHardware"), "Writing...");
// Publish joint commands to the arm driver
auto message = std_msgs::msg::Float32(); auto message = std_msgs::msg::Float32();
message.data = hw_commands_[0]; message.data = hw_commands_[0];
j1_pub_->publish(message); j1_pub_->publish(message);

View file

@ -23,7 +23,7 @@ class CobotMove(Node):
self._cur = [0.0] * 6 self._cur = [0.0] * 6
# create a timer to update all the joint angles at once # create a timer to update all the joint angles at once
self._timer = self.create_timer(1 / 20, self._dosomething) self._timer = self.create_timer(1 / 40, self._dosomething)
# Set joint angles independantly # Set joint angles independantly
base_topic = 'move/' base_topic = 'move/'

View file

@ -5,9 +5,8 @@
#include <thread> #include <thread>
// MoveitCpp // MoveitCpp
#include <moveit/common_planning_interface_objects/common_objects.h> #include <moveit/moveit_cpp/moveit_cpp.h>
#include <moveit/move_group_interface/move_group_interface.h> #include <moveit/moveit_cpp/planning_component.h>
#include <moveit/rdf_loader/rdf_loader.h>
#include "geometry_msgs/msg/pose_stamped.hpp" #include "geometry_msgs/msg/pose_stamped.hpp"
@ -16,66 +15,66 @@ const std::string PLANNING_GROUP = "ar3_arm";
class ScanNPlan : public rclcpp::Node { class ScanNPlan : public rclcpp::Node {
public: public:
ScanNPlan() : Node("scan_n_plan") { ScanNPlan() : Node("scan_n_plan") {
RCLCPP_INFO(this->get_logger(), "SNP START");
// Create /move_pose subscriber // Create /move_pose subscriber
pose_sub_ = this->create_subscription<geometry_msgs::msg::PoseStamped>( pose_sub_ = this->create_subscription<geometry_msgs::msg::PoseStamped>(
"move_pose", "move_pose",
rclcpp::QoS(1), rclcpp::QoS(1),
std::bind(&ScanNPlan::moveCallback, this, std::placeholders::_1) std::bind(&ScanNPlan::moveCallback, this, std::placeholders::_1)
); );
RCLCPP_INFO(this->get_logger(), "SUB EXIST");
relative_pose_sub_ = this->create_subscription<geometry_msgs::msg::PoseStamped>(
"move_relative_pose",
rclcpp::QoS(1),
std::bind(&ScanNPlan::relativeMoveCallback, this, std::placeholders::_1)
);
}
void init() {
move_group_ = std::make_shared<moveit::planning_interface::MoveGroupInterface>(
shared_from_this(), std::string("ar3_arm"));
} }
private: private:
void moveCallback(geometry_msgs::msg::PoseStamped::SharedPtr p) { void moveCallback(geometry_msgs::msg::PoseStamped::SharedPtr p) {
(void) p;
RCLCPP_INFO(this->get_logger(), "GOT MSG"); RCLCPP_INFO(this->get_logger(), "GOT MSG");
// Get a shared pointer to the MoveItCpp library to use our planning scene and getting states
auto moveit_cpp_ptr = std::make_shared<moveit_cpp::MoveItCpp>(shared_from_this());
RCLCPP_INFO(this->get_logger(), "GOT MOVEIT");
move_group_->setPoseTarget(p->pose); //auto psm = std::make_shared<planning_scene_monitor::PlanningSceneMonitor>("robot_description");
//psm->startSceneMonitor();
moveit::planning_interface::MoveGroupInterface::Plan plan; // ??????
bool success = (move_group_->plan(plan) == moveit::planning_interface::MoveItErrorCode::SUCCESS); moveit_cpp_ptr->getPlanningSceneMonitor()->providePlanningSceneService();
RCLCPP_INFO(this->get_logger(), "Did work? %s", success ? "yes" : "no");
move_group_->move(); // planning_scene_monitor::LockedPlanningSceneRW scene{moveit_cpp_ptr->getPlanningSceneMonitor()};
RCLCPP_INFO(this->get_logger(), "NEW PLANNING");
auto planning_components = std::make_shared<moveit_cpp::PlanningComponent>(PLANNING_GROUP, moveit_cpp_ptr);
RCLCPP_INFO(this->get_logger(), "GET MODEL");
auto robot_model_ptr = moveit_cpp_ptr->getRobotModel();
RCLCPP_INFO(this->get_logger(), "GET START STATE");
auto robot_start_state = planning_components->getStartState();
RCLCPP_INFO(this->get_logger(), "SETSTART TO CUR");
planning_components->setStartStateToCurrentState();
// Set the goal to the request pose
RCLCPP_INFO(this->get_logger(), "SET GOAL");
planning_components->setGoal(*p, "base_link");
// Actually plan
RCLCPP_INFO(this->get_logger(), "DO PLAN");
auto plan_solution = planning_components->plan();
// Plan is valid
if (plan_solution) {
// Follow through with the planned path
planning_components->execute();
} }
void relativeMoveCallback(geometry_msgs::msg::PoseStamped::SharedPtr p) {
RCLCPP_INFO(this->get_logger(), "GOT MSG");
moveit::core::RobotStatePtr robot_state = move_group_->getCurrentState();
const Eigen::Isometry3d &end_effector_state = robot_state->getGlobalLinkTransform(move_group_->getEndEffectorLink());
RCLCPP_INFO_STREAM(this->get_logger(), "POS: \n" << end_effector_state.translation() << "\n");
RCLCPP_INFO_STREAM(this->get_logger(), "ROT: \n" << end_effector_state.rotation() << "\n");
geometry_msgs::msg::Pose target_pose;
target_pose.position.x = 0.24;
target_pose.position.y = -0.32;
target_pose.position.z = 0.56;
move_group_->setPoseTarget(target_pose);
moveit::planning_interface::MoveGroupInterface::Plan plan;
bool success = (move_group_->plan(plan) == moveit::planning_interface::MoveItErrorCode::SUCCESS);
RCLCPP_INFO(this->get_logger(), "Did work? %s", success ? "yes" : "no");
move_group_->move();
} }
private: private:
rclcpp::Subscription<geometry_msgs::msg::PoseStamped>::SharedPtr pose_sub_; rclcpp::Subscription<geometry_msgs::msg::PoseStamped>::SharedPtr pose_sub_;
rclcpp::Subscription<geometry_msgs::msg::PoseStamped>::SharedPtr relative_pose_sub_;
moveit::planning_interface::MoveGroupInterfacePtr move_group_; //please
moveit::core::RobotModelConstPtr robot_model_; //rclcpp::Node::SharedPtr nh_;
// moveit_cpp::MoveItCpp::SharedPtr moveit_cpp_ptr_;
// rclcpp::executors::SingleThreadedExecutor::SharedPtr executor_;
// std::thread thread_executor_spin_;
}; };
int main(int argc, char* argv[]) { int main(int argc, char* argv[]) {
@ -84,9 +83,12 @@ int main(int argc, char* argv[]) {
auto node = std::make_shared<ScanNPlan>(); auto node = std::make_shared<ScanNPlan>();
RCLCPP_INFO(node->get_logger(), "MoveGroup node started."); RCLCPP_INFO(node->get_logger(), "MoveGroup node started.");
node->init();
rclcpp::spin(node); rclcpp::spin(node);
// spin the node
// executor_ = std::make_shared<rclcpp::executors::SingleThreadedExecutor>();
// executor_->add_node(nh_);
RCLCPP_INFO(node->get_logger(), "Terminating MoveGroup"); RCLCPP_INFO(node->get_logger(), "Terminating MoveGroup");
rclcpp::shutdown(); rclcpp::shutdown();
return 0; return 0;