occheung/artiq
1
0
Fork 0
forked from M-Labs/artiq
Code Pull Requests Activity

examples/kasli_suservo: port to NAC3

Browse Source
This commit is contained in:
Sebastien Bourdeauducq 2022-04-28 15:28:07 +08:00
parent a1651d15f5
commit 49cb570290
1 changed files with 42 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

70
artiq/examples/kasli_suservo/repository/suservo.py
View File

@ -1,7 +1,24 @@
from numpy import int32
from artiq.experiment import *
from artiq.coredevice.core import Core
from artiq.coredevice.ttl import TTLOut
from artiq.coredevice.suservo import SUServo, Channel as SUServoChannel
@nac3
class SUServoDemo(EnvExperiment):
core: KernelInvariant[Core]
led0: KernelInvariant[TTLOut]
suservo0: KernelInvariant[SUServo]
suservo0_ch0: KernelInvariant[SUServoChannel]
suservo0_ch1: KernelInvariant[SUServoChannel]
suservo0_ch2: KernelInvariant[SUServoChannel]
suservo0_ch3: KernelInvariant[SUServoChannel]
suservo0_ch4: KernelInvariant[SUServoChannel]
suservo0_ch5: KernelInvariant[SUServoChannel]
suservo0_ch6: KernelInvariant[SUServoChannel]
suservo0_ch7: KernelInvariant[SUServoChannel]
class SUServo(EnvExperiment):
def build(self):
self.setattr_device("core")
self.setattr_device("led0")
@ -9,40 +26,37 @@ class SUServo(EnvExperiment):
for i in range(8):
self.setattr_device("suservo0_ch{}".format(i))
def run(self):
self.init()
def p(self, d):
@rpc
def p(self, d: list[int32]):
mask = 1 << 18 - 1
for name, val in zip("ftw1 b1 pow cfg offset a1 ftw0 b0".split(), d):
val = -(val & mask) + (val & ~mask)
print("{}: {:#x} = {}".format(name, val, val))
@rpc(flags={"async"})
def p1(self, adc, asf, st):
@rpc # NAC3TODO (flags={"async"})
def p1(self, adc: float, asf: float, st: int32):
print("ADC: {:10s}, ASF: {:10s}, clipped: {}".format(
"#"*int(adc), "#"*int(asf*10), (st >> 8) & 1), end="\r")
@kernel
def init(self):
self.core.break_realtime()
def run(self):
self.core.reset()
self.led()
self.suservo0.init()
delay(1*us)
self.core.delay(1.*us)
# ADC PGIA gain
for i in range(8):
self.suservo0.set_pgia_mu(i, 0)
delay(10*us)
self.core.delay(10.*us)
# DDS attenuator
self.suservo0.cpld0.set_att(0, 10.)
delay(1*us)
self.suservo0.cplds[0].set_att(0, 10.)
self.core.delay(1.*us)
# Servo is done and disabled
assert self.suservo0.get_status() & 0xff == 2
# set up profile 0 on channel 0:
delay(120*us)
self.core.delay(120.*us)
self.suservo0_ch0.set_y(
profile=0,
y=0. # clear integrator
@ -61,39 +75,39 @@ class SUServo(EnvExperiment):
self.suservo0_ch0.set_dds(
profile=0,
offset=-.5, # 5 V with above PGIA settings
frequency=71*MHz,
frequency=71.*MHz,
phase=0.)
# enable RF, IIR updates and profile 0
self.suservo0_ch0.set(en_out=1, en_iir=1, profile=0)
self.suservo0_ch0.set(en_out=True, en_iir=True, profile=0)
# enable global servo iterations
self.suservo0.set_config(enable=1)
self.suservo0.set_config(enable=True)
# check servo enabled
assert self.suservo0.get_status() & 0x01 == 1
delay(10*us)
self.core.delay(10.*us)
# read back profile data
data = [0] * 8
data = [0 for _ in range(8)]
self.suservo0_ch0.get_profile_mu(0, data)
self.p(data)
delay(10*ms)
self.core.delay(10.*ms)
while True:
self.suservo0.set_config(0)
delay(10*us)
self.suservo0.set_config(False)
self.core.delay(10.*us)
v = self.suservo0.get_adc(7)
delay(30*us)
self.core.delay(30.*us)
w = self.suservo0_ch0.get_y(0)
delay(20*us)
self.core.delay(20.*us)
x = self.suservo0.get_status()
delay(10*us)
self.suservo0.set_config(1)
self.core.delay(10.*us)
self.suservo0.set_config(True)
self.p1(v, w, x)
delay(20*ms)
self.core.delay(20.*ms)
@kernel
def led(self):
self.core.break_realtime()
for i in range(3):
self.led0.pulse(.1*s)
delay(.1*s)
self.core.delay(.1*s)