def wm_update(self):
try:
while True:
s = "motor position: %s" % self.wm_string()
notice(s)
sleep(0.05)
except KeyboardInterrupt:
pass
def update_move(self, value, show_previous=True):
if (show_previous):
print "initial position: %s" % self.wm_string()
self.move(value)
sleep(0.1)
while (self._is_motor_moving()):
s = "motor position: %s" % self.wm_string()
notice(s)
sleep(0.05)
s = "motor position: %s" % self.wm_string()
notice(s)
print ""
def tweak_mvr(motor,step=0.1,direction=1):
help_text = "q = exit; up = step*2; down = step/2, left = neg dir, right = pos dir\n"
help_text += "g = go abs, s = set"
print "tweaking motor %s (pv=%s)" % (motor.name,motor.pvname)
print "current position %s" % (motor.wm_string())
if abs(direction) != 1:
raise ValueError("direction needs to be +1 or -1")
step = float(step)
oldstep = 0
k=keypress.KeyPress()
while (k.isq() is False):
if (oldstep != step):
nstr = "stepsize: %f" % step
notice(nstr)
sys.stdout.flush()
oldstep = step
k.waitkey()
if ( k.isu() ):
step = step*2.
elif ( k.isd() ):
step = step/2.
elif ( k.isr() ):
motor.umvr(step*direction,show_previous=False)
elif ( k.isl() ):
motor.umvr(-step*direction,show_previous=False)
elif ( k.iskey("g") ):
print "enter absolute position (char to abort go to)"
sys.stdout.flush()
v=sys.stdin.readline()
try:
v = float(v.strip())
motor.umv(v)
except:
print "value cannot be converted to float, exit go to mode ..."
sys.stdout.flush()
elif ( k.iskey("s") ):
print "enter new set value (char to abort setting)"
sys.stdout.flush()
v=sys.stdin.readline()
try:
v = float(v[0:-1])
motor.set(v)
except:
print "value cannot be converted to float, exit go to mode ..."
sys.stdout.flush()
elif ( k.isq() ):
break
else:
print help_text
print "final position: %s" % motor.wm_string()
def tweak_velo(motor,step=0.1):
help_text = "q = exit; up = step*2; down = step/2, left = neg dir, right = pos dir\n"
help_text += "g = go abs, s = set"
print "tweaking motor %s (pv=%s)" % (motor.name,motor.pvname)
print "current speed %s" % (motor.get_speed())
step = float(step)
oldstep = 0
k=keypress.KeyPress()
while (k.isq() is False):
if (oldstep != step):
notice("stepsize: %f" % step)
sys.stdout.flush()
oldstep = step
k.waitkey()
if ( k.isu() ):
step = step*2.
elif ( k.isd() ):
step = step/2.
elif ( k.isr() ):
motor.set_speed(motor.get_speed()+step)
print "current speed %s" % (motor.get_speed())
elif ( k.isl() ):
motor.set_speed(motor.get_speed()-step)
print "current speed %s" % (motor.get_speed())
elif ( k.iskey("g") ):
print "enter absolute speed (char to abort go to)"
sys.stdout.flush()
v=sys.stdin.readline()
try:
v = float(v.strip())
motor.set_speed(v)
print "current speed %s" % (motor.get_speed())
except:
print "value cannot be converted to float, exit go to mode ..."
sys.stdout.flush()
elif ( k.iskey("s") ):
print "enter new set value (char to abort setting)"
sys.stdout.flush()
v=sys.stdin.readline()
try:
v = float(v[0:-1])
motor.set(v)
except:
print "value cannot be converted to float, exit go to mode ..."
sys.stdout.flush()
elif ( k.isq() ):
break
else:
print help_text
print "final speed: %s" % motor.get_speed()
def update_move(self,value,show_previous=True):
""" moves motor while displaying motor position, CTRL-C stops motor"""
if (show_previous):
print "initial position: " + str(self.wm())
self.move(value)
sleep(0.02)
try:
while(abs(self.wm()-value)>0.01):
s="motor position: " + str(self.wm())
notice(s)
sleep(0.01)
except KeyboardInterrupt:
print "Ctrl-C pressed. trying to stopping motor"
self.mv(self.wm())
sleep(1)
s="motor position: " + str(self.wm())
notice(s)
def update_time_elapsed(self):
s_total = round(self.get_time_elapsed(), 2)
notice("Delay scan time elapsed: {}".format(s_total))