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@ -24,6 +24,7 @@ import argparse as ap |
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import hello_helpers.hello_misc as hm |
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import stretch_funmap.navigate as nv |
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from stretch_body.robot_params import RobotParams |
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class OpenDrawerNode(hm.HelloNode): |
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@ -36,18 +37,18 @@ class OpenDrawerNode(hm.HelloNode): |
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self.letter_height_m = 0.2 |
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self.wrist_position = None |
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self.lift_position = None |
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def joint_states_callback(self, joint_states): |
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with self.joint_states_lock: |
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with self.joint_states_lock: |
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self.joint_states = joint_states |
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wrist_position, wrist_velocity, wrist_effort = hm.get_wrist_state(joint_states) |
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self.wrist_position = wrist_position |
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self.wrist_position = wrist_position |
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lift_position, lift_velocity, lift_effort = hm.get_lift_state(joint_states) |
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self.lift_position = lift_position |
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def align_to_surface(self): |
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rospy.loginfo('align_to_surface') |
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trigger_request = TriggerRequest() |
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trigger_request = TriggerRequest() |
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trigger_result = self.trigger_align_with_nearest_cliff_service(trigger_request) |
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rospy.loginfo('trigger_result = {0}'.format(trigger_result)) |
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@ -57,10 +58,12 @@ class OpenDrawerNode(hm.HelloNode): |
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max_reach_m = 0.4 |
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extension_m = self.wrist_position + max_reach_m |
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extension_m = min(extension_m, max_extension_m) |
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extension_contact_effort = 18.5 #effort_pct #42.0 #40.0 from funmap |
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extension_contact_effort = 40 #effort_pct #42.0 #40.0 from funmap |
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if RobotParams.get_params()[1]['robot']['model_name']=='RE1V0': |
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extension_contact_effort = 18.5 |
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pose = {'wrist_extension': (extension_m, extension_contact_effort)} |
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self.move_to_pose(pose, custom_contact_thresholds=True) |
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def lower_hook_until_contact(self): |
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rospy.loginfo('lower_hook_until_contact') |
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max_drop_m = 0.15 |
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@ -94,7 +97,7 @@ class OpenDrawerNode(hm.HelloNode): |
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pose = {'joint_lift': lift_m} |
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self.move_to_pose(pose) |
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rospy.sleep(0.5) # wait for new lift position |
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def backoff_from_surface(self): |
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rospy.loginfo('backoff_from_surface') |
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if self.wrist_position is not None: |
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@ -131,7 +134,7 @@ class OpenDrawerNode(hm.HelloNode): |
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else: |
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rospy.logerr('pull_open: self.wrist_position is None!') |
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return False |
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def move_to_initial_configuration(self): |
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initial_pose = {'wrist_extension': 0.01, |
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'joint_wrist_yaw': 1.570796327, |
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@ -141,7 +144,7 @@ class OpenDrawerNode(hm.HelloNode): |
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def trigger_open_drawer_down_callback(self, request): |
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return self.open_drawer('down') |
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def trigger_open_drawer_up_callback(self, request): |
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return self.open_drawer('up') |
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@ -158,11 +161,11 @@ class OpenDrawerNode(hm.HelloNode): |
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message='Failed to backoff from the surface.' |
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) |
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if direction == 'down': |
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if direction == 'down': |
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self.lower_hook_until_contact() |
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elif direction == 'up': |
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self.raise_hook_until_contact() |
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success = self.pull_open() |
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if not success: |
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return TriggerResponse( |
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@ -171,21 +174,21 @@ class OpenDrawerNode(hm.HelloNode): |
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) |
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push_drawer_closed = False |
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if push_drawer_closed: |
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if push_drawer_closed: |
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rospy.sleep(3.0) |
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self.push_closed() |
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return TriggerResponse( |
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success=True, |
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message='Completed opening the drawer!' |
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) |
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def main(self): |
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hm.HelloNode.main(self, 'open_drawer', 'open_drawer', wait_for_first_pointcloud=False) |
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self.joint_states_subscriber = rospy.Subscriber('/stretch/joint_states', JointState, self.joint_states_callback) |
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self.trigger_open_drawer_service = rospy.Service('/open_drawer/trigger_open_drawer_down', |
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Trigger, |
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self.trigger_open_drawer_down_callback) |
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@ -193,8 +196,8 @@ class OpenDrawerNode(hm.HelloNode): |
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self.trigger_open_drawer_service = rospy.Service('/open_drawer/trigger_open_drawer_up', |
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Trigger, |
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self.trigger_open_drawer_up_callback) |
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rospy.wait_for_service('/funmap/trigger_align_with_nearest_cliff') |
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rospy.loginfo('Node ' + self.node_name + ' connected to /funmap/trigger_align_with_nearest_cliff.') |
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self.trigger_align_with_nearest_cliff_service = rospy.ServiceProxy('/funmap/trigger_align_with_nearest_cliff', Trigger) |
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@ -206,12 +209,12 @@ class OpenDrawerNode(hm.HelloNode): |
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rospy.wait_for_service('/funmap/trigger_lower_until_contact') |
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rospy.loginfo('Node ' + self.node_name + ' connected to /funmap/trigger_lower_until_contact.') |
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self.trigger_lower_until_contact_service = rospy.ServiceProxy('/funmap/trigger_lower_until_contact', Trigger) |
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rate = rospy.Rate(self.rate) |
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while not rospy.is_shutdown(): |
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rate.sleep() |
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if __name__ == '__main__': |
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try: |
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parser = ap.ArgumentParser(description='Open Drawer behavior for stretch.') |
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