def on_search(self, data):
t, T1, T2 = self.collector.get_actual_temperature(2 * EXT_STAB_TIME)
targets = [self.state.settings["USB"]["T1set"],
self.state.settings["USB"]["T2set"]]
if not logic.check_stability(t, [T1, T2], targets, EXT_STAB_TIME):
return
new_range = logic.search(data)
if new_range is None:
return
print "New search range", new_range
bot, top = new_range
if top - bot > 10:
setter = lambda x: self.state.update("USB", ("DIL_T", x))
step = max(1,
SEARCH_STEP * (bot - top) / (SEARCH_BOT - SEARCH_TOP))
dt = INT_STAB_RATE * step
logic.init_search(bot, top, step, dt, setter)
else:
mid = int((bot + top) / 2)
self.state.update("USB", ("DIL_T", mid))
self.state.update("PCIE", ("framecount", 1000))
print "Setting DIL_T to %d" % mid
self.start_PFGIT_scan(True, 25000)
self.scannerWidget.accurateScan.blockSignals(True)
self.scannerWidget.accurateScan.setChecked(True)
self.scannerWidget.accurateScan.blockSignals(False)
self.status = "preparing_scan"
def on_wait(self, data):
t, T1, T2 = self.collector.get_actual_temperature(2 * EXT_STAB_TIME)
targets = [self.state.settings["USB"]["T1set"],
self.state.settings["USB"]["T2set"]]
if logic.check_stability(t, [T1, T2], targets, EXT_STAB_TIME):
self.status = "searching"
self.state.update("PCIE", ("framecount", 200))
print "Searching"
middle = (self.state.settings["TimeScanner"]["top"] +
self.state.settings["TimeScanner"]["bottom"]) / 2
self.state.update("USB", ("PFGI_TscanAmp", middle))
setter = lambda x: self.state.update("USB", ("DIL_T", x))
dt = INT_STAB_RATE * SEARCH_STEP / 3
logic.init_search(SEARCH_BOT, SEARCH_TOP, SEARCH_STEP,
dt, setter)
