def no_simulator_updates(pvnames):
'''Context manager which pauses and resumes simulator PV updating'''
try:
caput(pvnames.pause_pv, 1)
time.sleep(0.1)
yield
finally:
caput(pvnames.pause_pv, 0)
# Give the simulator some time to start back up
time.sleep(0.5)
def initialize_data():
subarray_driver.put(numpy.arange(64) / 12.0)
for p in mbbos:
p.put(1)
for i, p in enumerate(longs):
p.put((i + 1))
for i, p in enumerate(strs):
p.put(("String %s" % (i + 1)))
for i, p in enumerate(binaries):
p.put((i + 1))
for i, p in enumerate(analogs):
p.put((i + 1) * 1.7135000)
caput(f'{prefix}ao1.EGU', 'microns')
caput(f'{prefix}ao1.PREC', 4)
caput(f'{prefix}ai1.PREC', 2)
caput(f'{prefix}ao2.PREC', 3)
char_waves[0].put([60 + random.randrange(30) for i in range(128)])
char_waves[1].put([random.randrange(256) for i in range(256)])
char_waves[2].put([random.randrange(256) for i in range(2048)])
char_waves[3].put([random.randrange(256) for i in range(65536)])
long_waves[0].put([i + random.randrange(2) for i in range(128)])
long_waves[1].put([i + random.randrange(128) for i in range(2048)])
long_waves[2].put([i for i in range(65536)])
double_waves[0].put([i + random.randrange(2) for i in range(128)])
double_waves[1].put([random.random() for i in range(2048)])
double_waves[2].put([random.random() for i in range(65536)])
pause_pv.put(0)
str_waves[0].put([(" String %i" % (i + 1)) for i in range(128)])
print('Data initialized')
def test_subarrays(pvnames):
print("Subarray test: dynamic length arrays\n")
driver = PV(pvnames.subarr_driver)
subarr1 = PV(pvnames.subarr1)
subarr1.connect()
len_full = 64
len_sub1 = 16
full_data = numpy.arange(len_full) / 1.0
caput("%s.NELM" % pvnames.subarr1, len_sub1)
caput("%s.INDX" % pvnames.subarr1, 0)
driver.put(full_data)
time.sleep(0.1)
subval = subarr1.get()
assert len(subval) == len_sub1
assert numpy.all(subval == full_data[:len_sub1])
print("Subarray test: C\n")
caput("%s.NELM" % pvnames.subarr2, 19)
caput("%s.INDX" % pvnames.subarr2, 3)
subarr2 = PV(pvnames.subarr2)
subarr2.get()
driver.put(full_data)
time.sleep(0.1)
subval = subarr2.get()
assert len(subval) == 19
assert numpy.all(subval == full_data[3:3 + 19])
caput("%s.NELM" % pvnames.subarr2, 5)
caput("%s.INDX" % pvnames.subarr2, 13)
driver.put(full_data)
time.sleep(0.1)
subval = subarr2.get()
assert len(subval) == 5
assert numpy.all(subval == full_data[13:5 + 13])