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Merge pull request #1746 from quartiq/suservo_tester

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Suservo tester
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Robert Jördens 2021-08-19 10:20:29 +02:00 committed by GitHub
commit 11790c6d7c
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1 changed files with 101 additions and 3 deletions
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104
artiq/frontend/artiq_sinara_tester.py
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@ -55,6 +55,8 @@ class SinaraTester(EnvExperiment):
self.grabbers = dict()
self.mirny_cplds = dict()
self.mirnies = dict()
self.suservos = dict()
self.suschannels = dict()
ddb = self.get_device_db()
for name, desc in ddb.items():
@ -88,9 +90,14 @@ class SinaraTester(EnvExperiment):
self.mirny_cplds[name] = self.get_device(name)
elif (module, cls) == ("artiq.coredevice.adf5356", "ADF5356"):
self.mirnies[name] = self.get_device(name)
elif (module, cls) == ("artiq.coredevice.suservo", "SUServo"):
self.suservos[name] = self.get_device(name)
elif (module, cls) == ("artiq.coredevice.suservo", "Channel"):
self.suschannels[name] = self.get_device(name)
# Remove Urukul, Sampler, Zotino and Mirny control signals
# from TTL outs (tested separately)
# from TTL outs (tested separately) and remove Urukuls covered by
# SUServo
ddb = self.get_device_db()
for name, desc in ddb.items():
if isinstance(desc, dict) and desc["type"] == "local":
@ -101,8 +108,16 @@ class SinaraTester(EnvExperiment):
sw_device = desc["arguments"]["sw_device"]
del self.ttl_outs[sw_device]
elif (module, cls) == ("artiq.coredevice.urukul", "CPLD"):
io_update_device = desc["arguments"]["io_update_device"]
del self.ttl_outs[io_update_device]
if "io_update_device" in desc["arguments"]:
io_update_device = desc["arguments"]["io_update_device"]
del self.ttl_outs[io_update_device]
# check for suservos and delete respective urukuls
elif (module, cls) == ("artiq.coredevice.suservo", "SUServo"):
del self.urukuls[desc["arguments"]["dds0_device"]]
del self.urukul_cplds[desc["arguments"]["cpld0_device"]]
if "dds1_device" in desc["arguments"]:
del self.urukuls[desc["arguments"]["dds1_device"]]
del self.urukul_cplds[desc["arguments"]["cpld1_device"]]
elif (module, cls) == ("artiq.coredevice.sampler", "Sampler"):
cnv_device = desc["arguments"]["cnv_device"]
del self.ttl_outs[cnv_device]
@ -126,6 +141,8 @@ class SinaraTester(EnvExperiment):
self.phasers = sorted(self.phasers.items(), key=lambda x: x[1].channel_base)
self.grabbers = sorted(self.grabbers.items(), key=lambda x: x[1].channel_base)
self.mirnies = sorted(self.mirnies.items(), key=lambda x: (x[1].cpld.bus.channel, x[1].channel))
self.suservos = sorted(self.suservos.items(), key=lambda x: x[1].channel)
self.suschannels = sorted(self.suschannels.items(), key=lambda x: x[1].channel)
@kernel
def test_led(self, led):
@ -555,6 +572,85 @@ class SinaraTester(EnvExperiment):
print(card_name)
self.grabber_capture(card_dev, rois)
@kernel
def setup_suservo(self, channel):
self.core.break_realtime()
channel.init()
delay(1*us)
# ADC PGIA gain 0
for i in range(8):
channel.set_pgia_mu(i, 0)
delay(10*us)
# DDS attenuator 10dB
for i in range(4):
channel.cpld0.set_att(i, 10.)
channel.cpld1.set_att(i, 10.)
delay(1*us)
# Servo is done and disabled
assert channel.get_status() & 0xff == 2
delay(10*us)
@kernel
def setup_suservo_loop(self, channel, loop_nr):
self.core.break_realtime()
channel.set_y(
profile=loop_nr,
y=0. # clear integrator
)
channel.set_iir(
profile=loop_nr,
adc=loop_nr, # take data from Sampler channel
kp=-1., # -1 P gain
ki=0./s, # no integrator gain
g=0., # no integrator gain limit
delay=0. # no IIR update delay after enabling
)
# setpoint 0.5 (5 V with above PGIA gain setting)
delay(100*us)
channel.set_dds(
profile=loop_nr,
offset=-.3, # 3 V with above PGIA settings
frequency=10*MHz,
phase=0.)
# enable RF, IIR updates and set profile
delay(10*us)
channel.set(en_out=1, en_iir=1, profile=loop_nr)
@kernel
def setup_start_suservo(self, channel):
self.core.break_realtime()
channel.set_config(enable=1)
delay(10*us)
# check servo enabled
assert channel.get_status() & 0x01 == 1
delay(10*us)
def test_suservos(self):
print("*** Testing SUServos.")
print("Initializing modules...")
for card_name, card_dev in self.suservos:
print(card_name)
self.setup_suservo(card_dev)
print("...done")
print("Setting up SUServo channels...")
for channels in chunker(self.suschannels, 8):
for i, (channel_name, channel_dev) in enumerate(channels):
print(channel_name)
self.setup_suservo_loop(channel_dev, i)
print("...done")
print("Enabling...")
for card_name, card_dev in self.suservos:
print(card_name)
self.setup_start_suservo(card_dev)
print("...done")
print("Each Sampler channel applies proportional amplitude control")
print("on the respective Urukul0 (ADC 0-3) and Urukul1 (ADC 4-7, if")
print("present) channels.")
print("Frequency: 10 MHz, output power: about -9 dBm at 0 V and about -15 dBm at 1.5 V")
print("Verify frequency and power behavior.")
print("Press ENTER when done.")
input()
def run(self):
print("****** Sinara system tester ******")
print("")
@ -579,6 +675,8 @@ class SinaraTester(EnvExperiment):
self.test_phasers()
if self.grabbers:
self.test_grabbers()
if self.suservos:
self.test_suservos()
def main():