def set_all_scandata(self):
self.publishing_scandata = True
for c in self.counters:
name = getattr(c, 'db_label', None)
if name is None:
name = c.label
c.db_label = fix_varname(name)
self.scandb.set_scandata(c.db_label, c.buff)
self.publishing_scandata = False
def init_scandata(self):
if self.scandb is None:
return
self.scandb.clear_scandata()
self.scandb.commit()
time.sleep(0.05)
names = []
npts = len(self.positioners[0].array)
for p in self.positioners:
try:
units = p.pv.units
except:
units = 'unknown'
name = fix_varname(p.label)
if name in names:
name += '_2'
if name not in names:
self.scandb.add_scandata(name, p.array.tolist(),
pvname=p.pv.pvname,
units=units, notes='positioner')
names.append(name)
for c in self.counters:
try:
units = c.pv.units
except:
units = 'counts'
name = fix_varname(c.label)
if name in names:
name += '_2'
if name not in names:
self.scandb.add_scandata(name, [],
pvname=c.pv.pvname,
units=units, notes='counter')
names.append(name)
self.scandb.commit()
def run(self):
while self.running:
time.sleep(0.005)
now = time.time()
if self.pulse > self.last:
ready = True
if self.ready_pv is not None:
ready = (self.ready_pv.get() == self.ready_val)
ready = ready and ((now- self.last_move_time) > self.dead_time)
if ready and self.slave.write_access:
val = self.vals[self.pulse]
try:
print("Put ID To %i E=%.4f" % (self.pulse, val))
self.slave.put(val)
self.last_move_time = time.time()
except:
print("PVFollow Put failed: ", self.slave.pvname , val)
self.last = self.pulse
if (self.scan is not None) and self.pulse > 3:
npts = self.scan.npts
cpt = self.pulse
dtime = self.scan.dwelltime
if isinstance(dtime, list):
dtime = dtime[0]
time_left = (npts-cpt)*dtime
self.scan.set_info('scan_time_estimate', time_left)
time_est = hms(time_left)
msg = 'Point %i/%i, time left: %s' % (cpt, npts, time_est)
if (cpt - self.last_message) > self.scan.message_points:
self.scan.write("%s\n" % msg)
self.last_message = cpt*1.0
self.scan.set_info('scan_progress', msg)
for c in self.scan.counters:
try:
c.buff = c.pv.get().tolist()
except:
pass
name = getattr(c, 'db_label', None)
if name is None:
name = c.label
c.db_label = fix_varname(name)
self.scan.scandb.set_scandata(c.db_label, c.buff)
self.scan.scandb.commit()
def set_scandata(self, attr, value):
if self.scandb is not None:
self.scandb.set_scandata(fix_varname(attr), value)
