def get_presets(self):
"""
Reads the preset information from the EPICS mca record. Stores this information
in the epicsMca object, and returns an McaPresets object with this information.
"""
presets = Mca.McaPresets()
pvs = self.pvs['presets']
for pv in pvs.keys():
pvs[pv].array_get()
pvs[pv].pend_io()
presets.real_time = pvs['prtm'].getValue()
presets.live_time = pvs['pltm'].getValue()
presets.total_counts = pvs['pct'].getValue()
presets.start_channel = pvs['pctl'].getValue()
presets.end_channel = pvs['pcth'].getValue()
presets.dwell = pvs['dwel'].getValue()
presets.channel_advance = pvs['chas'].getValue()
presets.prescale = pvs['pscl'].getValue()
Mca.Mca.set_presets(self, presets)
return presets
