def test_scaler_functionality(self):
sca = scaler.EpicsScaler(scalers[0],
name='scaler',
read_attrs=['channels'])
# hack the fake PV to know the enums
if not REAL_SCALER:
sca.count_mode._read_pv.enum_strs = ['OneShot', 'AutoCount']
sca.wait_for_connection()
sca.preset_time.put(5.2)
logger.info('Counting in One-Shot mode for %f s...',
sca.preset_time.get())
sca.count.put(1)
logger.info('Sleeping...')
time.sleep(3)
logger.info('Done sleeping. Stopping counter...')
sca.stop()
logger.info('Set mode to AutoCount')
sca.count_mode.put(ScalerMode.AUTO_COUNT)
sca.count.put(1)
logger.info('Begin auto-counting (aka "background counting")...')
time.sleep(2)
logger.info('Set mode to OneShot')
sca.count_mode.put(ScalerMode.ONE_SHOT)
time.sleep(1)
logger.info('Stopping (aborting) auto-counting.')
sca.stop()
logger.info('read() all channels in one-shot mode...')
vals = sca.read()
logger.info(vals)
self.assertIn('scaler_channels_chan1', vals)
sca.report
sca.read()
self.assertEquals(copy(sca).prefix, sca.prefix)
self.assertEquals(copy(sca).read_attrs, sca.read_attrs)
self.assertEquals(
copy(sca).configuration_attrs, sca.configuration_attrs)
repr(sca)
str(sca)
sca.stage()
old, new = sca.configure({})
sca.unstage()
assert_OD_equal_ignore_ts(old, new)
sca.stage()
old_preset_time = sca.preset_time.get()
old, new = sca.configure({'preset_time': 7})
sca.unstage()
assert old.pop('scaler_preset_time')['value'] == old_preset_time
assert new.pop('scaler_preset_time')['value'] == 7
assert_OD_equal_ignore_ts(old, new)
def test_signal_separate():
sca = scaler.EpicsScaler(scalers[0],
name='scaler',
read_attrs=['channels.chan1'])
sca.wait_for_connection()
data = sca.read()
assert 'scaler_channels_chan1' in data
assert 'scaler_channels_chan2' not in data
def test_signal_separate(self):
sca = scaler.EpicsScaler(scalers[0],
name='scaler',
read_attrs=['channels.chan1'])
sca.wait_for_connection()
data = sca.read()
self.assertIn('scaler_channels_chan1', data)
self.assertNotIn('scaler_channels_chan2', data)
import config
from ophyd import scaler
from ophyd.utils import enum
ScalerMode = enum(ONE_SHOT=0, AUTO_COUNT=1)
loggers = (
'ophyd.signal',
'ophyd.scaler',
)
config.setup_loggers(loggers)
logger = config.logger
sca = scaler.EpicsScaler(config.scalers[0])
sca.preset_time.put(5.2, wait=True)
logger.info('Counting in One-Shot mode for %f s...', sca.preset_time.get())
sca.trigger()
logger.info('Sleeping...')
time.sleep(3)
logger.info('Done sleeping. Stopping counter...')
sca.count.put(0)
logger.info('Set mode to AutoCount')
sca.count_mode.put(ScalerMode.AUTO_COUNT, wait=True)
sca.trigger()
logger.info('Begin auto-counting (aka "background counting")...')
time.sleep(2)
def test_scaler_functionality():
sca = scaler.EpicsScaler(scalers[0],
name='scaler',
read_attrs=['channels'])
# hack the fake PV to know the enums
sca.wait_for_connection()
if not REAL_SCALER:
sca.count_mode._read_pv.enum_strs = ['OneShot', 'AutoCount']
sca.count_mode.put('OneShot')
# pin the fake PVs by setting them
attr_map = {getattr(sca, n).name: n for n in sca.configuration_attrs}
cnf = {
attr_map[k]: v['value']
for k, v in sca.read_configuration().items()
}
sca.configure(cnf)
sca.preset_time.put(5.2)
logger.info('Counting in One-Shot mode for %f s...', sca.preset_time.get())
sca.count.put(1)
logger.info('Sleeping...')
time.sleep(3)
logger.info('Done sleeping. Stopping counter...')
sca.stop()
logger.info('Set mode to AutoCount')
sca.count_mode.put(ScalerMode.AUTO_COUNT)
sca.count.put(1)
logger.info('Begin auto-counting (aka "background counting")...')
time.sleep(2)
logger.info('Set mode to OneShot')
sca.count_mode.put(ScalerMode.ONE_SHOT)
time.sleep(1)
logger.info('Stopping (aborting) auto-counting.')
sca.stop()
logger.info('read() all channels in one-shot mode...')
vals = sca.read()
logger.info(vals)
assert 'scaler_channels_chan1' in vals
sca.report
sca.read()
assert copy(sca).prefix == sca.prefix
assert copy(sca).read_attrs == sca.read_attrs
assert copy(sca).configuration_attrs == sca.configuration_attrs
repr(sca)
str(sca)
sca.stage()
old, new = sca.configure({})
sca.unstage()
assert_OD_equal_ignore_ts(old, new)
sca.stage()
old_preset_time = sca.preset_time.get()
old, new = sca.configure({'preset_time': 7})
sca.unstage()
assert old.pop('scaler_preset_time')['value'] == old_preset_time
assert new.pop('scaler_preset_time')['value'] == 7
assert_OD_equal_ignore_ts(old, new)
def test_temp_scaler():
# TODO fix
scaler.EpicsScaler(scalers[0], name='test')
def test_temp_scaler(self):
# TODO fix
scaler.EpicsScaler(scalers[0])
