#! /usr/bin/env mpenv
# 
# This script moves the motor to the requested position.
#

import sys
import time
import Mp
import MpCa

if ( len(sys.argv) != 4 ):
	print ""
	print "Usage:  mpca_move motorname new_position"
	print ""
	sys.exit(0);

motor_name = sys.argv[2]

new_position = float(sys.argv[3])

dmov_pv = MpCa.PV( "%s.DMOV" % motor_name )

egu_pv = MpCa.PV( "%s.EGU" % motor_name )

rbv_pv = MpCa.PV( "%s.RBV" % motor_name )

val_pv = MpCa.PV( "%s.VAL" % motor_name )

units = egu_pv.caget()

print "Moving motor '%s' to %f %s" % ( motor_name, new_position, units )

val_pv.caput( new_position )

# Wait for the move to complete.

while (1):
	position = rbv_pv.caget()

	print "  %f" % ( position )

	dmov = dmov_pv.caget()

	if ( dmov == 1 ):
		break

	time.sleep( 1.0 )

print "Motor move complete."