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183 | class MFX_Timing:
def __init__(self,sequencer=None):
from pcdsdevices.sequencer import EventSequencer
self.seq1 = EventSequencer('ECS:SYS0:7', name='mfx_sequencer')
self.seq2 = EventSequencer('ECS:SYS0:12', name='mfx_sequencer_spare')
self.evt_code = {
'wait':0,
'pp_trig':197,
'daq_readout':198,
'laser_on':203,
'laser_off':204,
'ray_readout':210,
'ray1':211,
'ray2':212,
'ray3':213,
}
self.sync_markers = {0.5:0, 1:1, 5:2, 10:3, 30:4, 60:5, 120:6, 360:7}
self.sequence = []
def _seq_step(self, evt_code_name=None, delta_beam=0):
try:
return [self.evt_code[evt_code_name], delta_beam, 0, 0]
except:
print('Error: event sequencer step not recognized.')
def _seq_init(self, sync_mark=30):
from time import sleep
self.seq.sync_marker.put(self.sync_markers[sync_mark])
self.sequence = []
sequence = []
for ii in range(15):
sequence.append(self._seq_step('wait', 0))
self.seq.sequence.put_seq(sequence)
sleep(1)
def _seq_put(self, steps):
for step in steps:
self.sequence.append(self._seq_step(step[0], step[1]))
self.seq.sequence.put_seq(self.sequence)
def _seq_120hz(self):
steps = [['ray_readout', 1],
['daq_readout',0],
['ray1',1],
['daq_readout',0],
['ray2',1],
['daq_readout',0],
['ray3',1],
['daq_readout', 0]]
return steps
def _seq_120hz_trucated(self):
steps = [['ray_readout', 1],
['daq_readout',0]]
return steps
def _seq_60hz(self):
steps = [['ray_readout', 1],
['pp_trig', 0],
['ray1', 1],
['daq_readout', 0],
['ray2', 1],
['pp_trig', 0],
['ray3', 1],
['daq_readout', 0]]
return steps
def _seq_60hz_trucated(self):
steps = [['ray_readout', 1],
['ray1', 0],
['ray2', 1],
['daq_readout', 0]]
return steps
def _seq_30hz(self):
steps = [['ray_readout', 1],
['pp_trig', 0],
['ray1', 1],
['ray2', 1],
['daq_readout', 0],
['ray3', 1]]
return steps
def _seq_20hz(self):
steps = [['ray_readout', 1],
['pp_trig', 0],
['ray1', 1],
['ray2', 1],
['daq_readout', 0],
['ray3', 1],
['ray3', 1],
['ray3', 1]]
return steps
def set_seq(self, rep=None, sequencer=None, laser=None):
"""
Set your event sequencer
Parameters
----------
rep: int, optional
Set repitition rate only 120, 60, 30, and 20 Hz are currently available
sequencer: str, optional
default is event sequencer 7 and use 'spare' to run sequencer 12
laser: list, optional
sets laser sequence list in format [['laser_on',0],['laser_off',0],...]
Operations
----------
"""
self.seq1.stop()
self.seq2.stop()
if str(sequencer).lower() == 'spare':
self.seq = self.seq2
else:
self.seq = self.seq1
if laser:
if rep is None or rep == 120:
self._seq_init(sync_mark=120)
for laser_evt in laser:
sequence = self._seq_120hz_trucated()
block = sequence[:-1]
block.append(laser_evt)
block.append(sequence[-1])
self._seq_put(block)
elif rep == 60:
self._seq_init(sync_mark=120)
for laser_evt in laser:
sequence = self._seq_60hz_trucated()
block = sequence[:-1]
block.append(laser_evt)
block.append(sequence[-1])
self._seq_put(block)
elif rep == 30:
self._seq_init(sync_mark=30)
for laser_evt in laser:
sequence = self._seq_30hz()
block = sequence[:-1]
block.append(laser_evt)
block.append(sequence[-1])
self._seq_put(block)
elif rep == 20:
self._seq_init(sync_mark=60)
for laser_evt in laser:
sequence = self._seq_20hz()
block = sequence[:-1]
block.append(laser_evt)
block.append(sequence[-1])
self._seq_put(block)
else:
if rep is None or rep == 120:
self._seq_init(sync_mark=120)
self._seq_put(self._seq_120hz())
elif rep == 60:
self._seq_init(sync_mark=60)
self._seq_put(self._seq_60hz())
elif rep == 30:
self._seq_init(sync_mark=30)
self._seq_put(self._seq_30hz())
elif rep == 20:
self._seq_init(sync_mark=20)
self._seq_put(self._seq_20hz())
self.seq.start()
return self.sequence
def check_seq(self):
for line in self.sequence:
print(line)
|