artiq/artiq/examples/metlino_sayma_ttl/repository/demo.py

130 lines
3.9 KiB
Python

import sys
import os
import select
from artiq.experiment import *
from artiq.coredevice.fmcdio_vhdci_eem 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 os.name == "nt":
if msvcrt.kbhit() and msvcrt.getch() == b"\r":
return True
else:
return False
else:
if select.select([sys.stdin, ], [], [], 0.0)[0]:
sys.stdin.read(1)
return True
else:
return False
class Demo(EnvExperiment):
def build(self):
self.setattr_device("core")
self.setattr_device("fmcdio_dirctl")
self.leds = dict()
self.ttl_outs = 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
elif "ttl" in name: # to exclude fmcdio_dirctl
self.ttl_outs[name] = dev
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.dirctl_word = (
shiftreg_bits(0, dio_bank0_out_pins | dio_bank1_out_pins) |
shiftreg_bits(1, dio_bank0_out_pins | dio_bank1_out_pins)
)
@kernel
def init(self):
self.core.break_realtime()
print("*** Waiting for DRTIO ready...")
drtio_indices = [7]
for i in drtio_indices:
while not self.drtio_is_up(i):
pass
self.fmcdio_dirctl.set(self.dirctl_word)
@kernel
def drtio_is_up(self, drtio_index):
if not self.core.get_rtio_destination_status(drtio_index):
return False
print("DRTIO #", drtio_index, "is ready\n")
return True
@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.")
for ttl_chunk in chunker(self.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])
def run(self):
self.core.reset()
if self.leds:
self.test_leds()
if self.ttl_outs:
self.test_ttl_outs()