add Kasli TTL tester

This commit is contained in:
Sebastien Bourdeauducq 2018-05-18 22:52:53 +08:00
parent b10d3ee4b4
commit 9a4408a570

View File

@ -0,0 +1,141 @@
import sys
import select
from artiq.experiment import *
def chunker(seq, size):
res = []
for el in seq:
res.append(el)
if len(res) == size:
yield res
res = []
if res:
yield res
def is_enter_pressed() -> TBool:
if select.select([sys.stdin,], [], [], 0.0)[0]:
sys.stdin.read(1)
return True
else:
return False
class KasliTester(EnvExperiment):
def build(self):
self.setattr_device("core")
self.leds = dict()
self.ttl_outs = dict()
self.ttl_ins = dict()
ddb = self.get_device_db()
for name, desc in ddb.items():
if isinstance(desc, dict) and desc["type"] == "local":
module, cls = desc["module"], desc["class"]
if (module, cls) == ("artiq.coredevice.ttl", "TTLOut"):
dev = self.get_device(name)
if "led" in name: # guess
self.leds[name] = dev
else:
self.ttl_outs[name] = dev
elif (module, cls) == ("artiq.coredevice.ttl", "TTLInOut"):
self.ttl_ins[name] = self.get_device(name)
# Remove Urukul control signals from TTL outs (tested separately)
ddb = self.get_device_db()
for name, desc in ddb.items():
if isinstance(desc, dict) and desc["type"] == "local":
module, cls = desc["module"], desc["class"]
if ((module, cls) == ("artiq.coredevice.ad9910", "AD9910")
or (module, cls) == ("artiq.coredevice.ad9912", "AD9912")):
sw_device = desc["arguments"]["sw_device"]
del self.ttl_outs[sw_device]
if (module, cls) == ("artiq.coredevice.urukul", "CPLD"):
io_update_device = desc["arguments"]["io_update_device"]
del self.ttl_outs[io_update_device]
# Sort everything by RTIO channel number
self.leds = sorted(self.leds.items(), key=lambda x: x[1].channel)
self.ttl_outs = sorted(self.ttl_outs.items(), key=lambda x: x[1].channel)
self.ttl_ins = sorted(self.ttl_ins.items(), key=lambda x: x[1].channel)
@kernel
def test_led(self, led):
while not is_enter_pressed():
self.core.break_realtime()
# do not fill the FIFOs too much to avoid long response times
t = now_mu() - self.core.seconds_to_mu(0.2)
while self.core.get_rtio_counter_mu() < t:
pass
for i in range(3):
led.pulse(100*ms)
delay(100*ms)
def test_leds(self):
print("*** Testing LEDs.")
print("Check for blinking. Press ENTER when done.")
for led_name, led_dev in self.leds:
print("Testing LED: {}".format(led_name))
self.test_led(led_dev)
@kernel
def test_ttl_out_chunk(self, ttl_chunk):
while not is_enter_pressed():
self.core.break_realtime()
for _ in range(50000):
i = 0
for ttl in ttl_chunk:
i += 1
for _ in range(i):
ttl.pulse(1*us)
delay(1*us)
delay(10*us)
def test_ttl_outs(self):
print("*** Testing TTL outputs.")
print("Outputs are tested in groups of 4. Touch each TTL connector")
print("with the oscilloscope probe tip, and check that the number of")
print("pulses corresponds to its number in the group.")
print("Press ENTER when done.")
ttl_outs = list(self.ttl_outs)
for ttl_chunk in chunker(ttl_outs, 4):
print("Testing TTL outputs: {}.".format(", ".join(name for name, dev in ttl_chunk)))
self.test_ttl_out_chunk([dev for name, dev in ttl_chunk])
@kernel
def test_ttl_in(self, ttl_out, ttl_in):
n = 42
self.core.break_realtime()
with parallel:
ttl_in.gate_rising(1*ms)
with sequential:
delay(50*us)
for _ in range(n):
ttl_out.pulse(2*us)
delay(2*us)
return ttl_in.count() == n
def test_ttl_ins(self):
print("*** Testing TTL inputs.")
ttl_out_name, ttl_out_dev = next(iter(self.ttl_outs))
for ttl_in_name, ttl_in_dev in self.ttl_ins:
print("Connect {} to {}. Press ENTER when done."
.format(ttl_out_name, ttl_in_name))
input()
if self.test_ttl_in(ttl_out_dev, ttl_in_dev):
print("PASSED")
else:
print("FAILED")
def run(self):
print("****** Kasli system tester ******")
print("")
self.test_leds()
self.test_ttl_outs()
self.test_ttl_ins()