Files
bernina_robot/script/devices/RobotMotors.py
2024-02-02 16:11:49 +01:00

209 lines
8.3 KiB
Python

import time
import ch.psi.pshell.device.PositionerConfig as PositionerConfig
def on_motion_events(Motor):
def on_combined_motion(self, changed_motors):
s = "Combining " + str(len(changed_motors)) + " motions to new target:\n"
for k, v in changed_motors.items():
s += "{:8} {:6} --> {}\n".format(k,v[0], v[1])
get_context().sendEvent("motion", s)
def on_coordinate_system_change(self, old, new):
s = "User changed coordinate system " + old + " --> " +new + ":\n"
get_context().sendEvent("motion", s)
Motor.on_combined_motion = on_combined_motion
Motor.on_coordinate_system_change = on_coordinate_system_change
return Motor
class LinearAxisMotor(PositionerBase):
def __init__(self, robot, name = "z_lin"):
PositionerBase.__init__(self, name, PositionerConfig())
self.robot = robot
@property
def target_coordinates(self):
return {k: m.setpoint for k,m in robot.linear_axis_motors.items()}
#ATTENTION: Always initialize linear axis motors before scanning (or call robot.set_lin_axis_motor_enabled(True))
def doInitialize(self):
self.setpoint = self.doReadReadback()
self.setCache(self.doRead(), None)
def doRead(self):
return float("nan") if self.robot.linear_axis_destination is None else float(self.robot.linear_axis_destination[self.name])
def doWrite(self, value):
if self.robot.linear_axis_destination is not None:
self.setpoint = value
self.robot.linear_axis_destination.update({self.name: value})
self.setCache(float(value), None)
robot.evaluate("n_moveAbsPos = " + str(value))
robot.evaluate("setEcAo(ecao_posSet,n_moveAbsPos)")
def doReadReadback(self):
return float("nan") if len(self.robot.linear_axis_pos)==0 else float(self.robot.linear_axis_pos[self.name])
def stop(self):
robot.evaluate("setEcDo(ecdo_linMotStop,true)")
time.sleep(0.1)
robot.evaluate("setEcDo(ecdo_linMotStop,false)")
@on_motion_events
class RobotCartesianMotor(PositionerBase):
def __init__(self, robot, name):
PositionerBase.__init__(self, name, PositionerConfig())
self.robot = robot
@property
def target_pos(self):
return {k: m.setpoint for k,m in robot.cartesian_motors.items()}
@target_pos.setter
def target_pos(self, value):
for k,m in robot.cartesian_motors.items():
m.setpoint = value[k] if k in value.keys() else robot.cartesian_pos[k]
#ATTENTION: Always initialize cartesian motors before scanning (or call robot.set_motors_enabled(True))
def doInitialize(self):
self.setpoint = self.doReadReadback()
self.setCache(self.doRead(), None)
def doRead(self):
return self.doReadReadback()
def doWrite(self, value):
if self.robot.cartesian_destination is not None:
self.setpoint = value
self.setCache(float(value), None)
changed_motors = {k: [self.robot.cartesian_pos[k], self.target_pos[k]] for k in self.target_pos.keys() if round(self.robot.cartesian_pos[k], 2) != round(self.target_pos[k], 2)}
if (len(changed_motors) > 1) & (self.robot.last_remote_motion == "cartesian"):
self.robot.evaluate("resetMotion()")
target = self.target_pos
print("moving to combined", target)
self.on_combined_motion(changed_motors)
else:
if self.robot.last_remote_motion != "cartesian":
if not self.robot.empty:
self.robot.evaluate("resetMotion()")
self.on_coordinate_system_change(self.robot.last_remote_motion, "cartesian")
target = {self.name:value}
self.target_pos = target
print("moving to", target)
robot.move_cartesian(**target)
self.robot.last_remote_motion = "cartesian"
def doReadReadback(self):
return float("nan") if len(self.robot.cartesian_pos)==0 else float(self.robot.cartesian_pos[self.name])
def stop(self):
robot.stop()
robot.reset_motion()
robot.resume()
def move_done(self):
"""once move done, do readback update and send event and readback"""
@on_motion_events
class RobotSphericalMotor (PositionerBase):
def __init__(self, robot, name):
PositionerBase.__init__(self, name, PositionerConfig())
self.robot = robot
@property
def target_pos(self):
return {k: m.setpoint for k,m in robot.spherical_motors.items()}
@target_pos.setter
def target_pos(self, value):
for k,m in robot.spherical_motors.items():
m.setpoint = value[k] if k in value.keys() else robot.spherical_pos[k]
def doInitialize(self):
self.setpoint = self.doReadReadback()
self.setCache(self.doRead(), None)
def doRead(self):
return self.doReadReadback()
def doWrite(self, value):
if self.robot.spherical_destination is not None:
self.setpoint = value
self.setCache(float(value), None)
changed_motors = {k: [self.robot.spherical_pos[k], self.target_pos[k]] for k in self.target_pos.keys() if round(self.robot.spherical_pos[k], 2) != round(self.target_pos[k], 2)}
if (len(changed_motors) > 1) & (self.robot.last_remote_motion == "spherical"):
self.robot.evaluate("resetMotion()")
target = self.target_pos
print("moving to combined", target)
self.on_combined_motion(changed_motors)
else:
if self.robot.last_remote_motion != "spherical":
if not self.robot.empty:
self.robot.evaluate("resetMotion()")
self.on_coordinate_system_change(self.robot.last_remote_motion, "spherical")
target = {self.name:value}
self.target_pos = target
print("moving to", target)
robot.move_spherical(**target)
self.robot.last_remote_motion = "spherical"
def doReadReadback(self):
return float("nan") if len(self.robot.spherical_pos)==0 else robot.spherical_pos[self.name]
def stop(self):
robot.stop()
robot.reset_motion()
robot.resume()
@on_motion_events
class RobotJointMotor (PositionerBase):
def __init__(self, robot, name):
PositionerBase.__init__(self, name, PositionerConfig())
self.robot = robot
@property
def target_pos(self):
return {k: m.setpoint for k,m in robot.joint_motors.items()}
@target_pos.setter
def target_pos(self, value):
print(value)
for k,m in robot.joint_motors.items():
m.setpoint = value[k] if k in value.keys() else robot.joint_pos[k]
def doInitialize(self):
self.setpoint = self.doReadReadback()
self.setCache(self.doRead(), None)
def doRead(self):
return self.doReadReadback()
def doWrite(self, value):
self.setpoint = value
changed_motors = {k: [self.robot.joint_pos[k], self.target_pos[k]] for k in self.target_pos.keys() if round(self.robot.joint_pos[k], 2) != round(self.target_pos[k], 2)}
if (len(changed_motors) > 1) & (self.robot.last_remote_motion == "joint"):
self.robot.evaluate("resetMotion()")
target = self.target_pos
print("moving to combined", target)
self.on_combined_motion(changed_motors)
else:
if self.robot.last_remote_motion != "joint":
if not self.robot.empty:
self.robot.evaluate("resetMotion()")
self.on_coordinate_system_change(self.robot.last_remote_motion, "joint")
target = {self.name:value}
self.target_pos = target
print("moving to", target)
self.robot.move_joint(**target)
self.robot.last_remote_motion = "joint"
def doReadReadback(self):
return self.robot.get_joint_pos()[self.name] if len(self.robot.joint_pos)==0 else float(self.robot.joint_pos[self.name])
def stop(self):
robot.stop()
robot.reset_motion()
robot.resume()