mirror of
https://github.com/m-labs/artiq.git
synced 2024-12-19 08:26:30 +08:00
118 lines
4.9 KiB
Python
Executable File
118 lines
4.9 KiB
Python
Executable File
#!/usr/bin/python
|
|
# Copyright (C) 2012-2015 Robert Jordens <jordens@gmail.com>
|
|
|
|
import argparse
|
|
import time
|
|
|
|
from scipy import interpolate
|
|
import numpy as np
|
|
|
|
from artiq.protocols.pc_rpc import Client
|
|
from artiq.tools import verbosity_args, init_logger
|
|
|
|
|
|
def get_argparser():
|
|
parser = argparse.ArgumentParser(description="""PDQ2 client.
|
|
Evaluates times and voltages, interpolates and uploads
|
|
them to the controller.""")
|
|
parser.add_argument("-s", "--server", default="::1",
|
|
help="hostname or IP of the controller to connect to")
|
|
parser.add_argument("--port", default=3252, type=int,
|
|
help="TCP port to use to connect to the controller")
|
|
parser.add_argument("-c", "--channel", default=0, type=int,
|
|
help="channel: 3*board_num+dac_num [%(default)s]")
|
|
parser.add_argument("-f", "--frame", default=0, type=int,
|
|
help="frame [%(default)s]")
|
|
parser.add_argument("-t", "--times", default="np.arange(5)*1e-6",
|
|
help="sample times (s) [%(default)s]")
|
|
parser.add_argument("-u", "--voltages",
|
|
default="(1-np.cos(t/t[-1]*2*np.pi))/2",
|
|
help="sample voltages (V) [%(default)s]")
|
|
parser.add_argument("-a", "--aux", default=False, action="store_true",
|
|
help="axiliary digital output [%(default)%s]")
|
|
parser.add_argument("-o", "--order", default=3, type=int,
|
|
help="interpolation (0: const, 1: lin, 2: quad,"
|
|
" 3: cubic) [%(default)s]")
|
|
parser.add_argument("-p", "--plot", help="plot to file [%(default)s]")
|
|
parser.add_argument("-r", "--reset", default=False,
|
|
action="store_true", help="do reset before")
|
|
parser.add_argument("-m", "--dcm", default=False, action="store_true",
|
|
help="100MHz clock [%(default)s]")
|
|
parser.add_argument("-n", "--disarm", default=False, action="store_true",
|
|
help="disarm group [%(default)s]")
|
|
parser.add_argument("-e", "--free", default=False, action="store_true",
|
|
help="software trigger [%(default)s]")
|
|
parser.add_argument("-x", "--demo", default=False, action="store_true",
|
|
help="demo mode: pulse and chirp, 1V*ch+0.1V*frame"
|
|
" [%(default)s]")
|
|
parser.add_argument("-b", "--bit", default=False,
|
|
action="store_true", help="do bit test")
|
|
verbosity_args(parser)
|
|
return parser
|
|
|
|
|
|
def main():
|
|
args = get_argparser().parse_args()
|
|
init_logger(args)
|
|
dev = Client(args.server, args.port, "pdq2")
|
|
|
|
if args.reset:
|
|
dev.write(b"\x00\x00") # flush any escape
|
|
dev.cmd("RESET", True)
|
|
time.sleep(.1)
|
|
dev.cmd("START", False)
|
|
dev.cmd("ARM", False)
|
|
dev.cmd("DCM", args.dcm)
|
|
freq = 100e6 if args.dcm else 50e6
|
|
dev.set_freq(freq)
|
|
times = eval(args.times, globals(), {})
|
|
voltages = eval(args.voltages, globals(), dict(t=times))
|
|
|
|
if args.demo:
|
|
for ch, channel in enumerate(dev.channels):
|
|
entry = []
|
|
for fr in range(dev.channels[0].num_frames):
|
|
vi = .1*fr + ch + voltages
|
|
entry.append(channel.segment(times, vi, order=args.order,
|
|
end=False, aux=args.aux))
|
|
pi = 2*np.pi*(-.5 + .01*fr + .1*ch + 0*voltages)
|
|
fi = 10e6*times/times[-1]
|
|
channel.segment(2*times, voltages, pi, fi, trigger=False,
|
|
silence=True, aux=args.aux)
|
|
dev.write_channel(channel, entry)
|
|
elif args.bit:
|
|
v = [-1, 0, -1]
|
|
# for i in range(15):
|
|
# v.extend([(1 << i) - 1, 1 << i])
|
|
v = np.array(v)*dev.channels[0].max_out/dev.channels[0].max_val
|
|
t = np.arange(len(v))
|
|
for channel in dev.channels:
|
|
s = channel.segment(t, v, order=0, shift=15, stop=False,
|
|
trigger=False)
|
|
dev.write_channel(channel, [s for i in range(channel.num_frames)])
|
|
else:
|
|
c = dev.channels[args.channel]
|
|
map = [None] * c.num_frames
|
|
map[args.frame] = c.segment(times, voltages, order=args.order,
|
|
aux=args.aux)
|
|
dev.write_channel(c, map)
|
|
|
|
dev.cmd("START", True)
|
|
dev.cmd("ARM", not args.disarm)
|
|
dev.cmd("TRIGGER", args.free)
|
|
|
|
if args.plot:
|
|
from matplotlib import pyplot as plt
|
|
fig, ax = plt.subplots()
|
|
ax.plot(times, voltages, "xk", label="points")
|
|
if args.order > 0:
|
|
spline = interpolate.splrep(times, voltages, k=args.order)
|
|
ttimes = np.arange(0, times[-1], 1/freq)
|
|
vvoltages = interpolate.splev(ttimes, spline)
|
|
ax.plot(ttimes, vvoltages, ",b", label="interpolation")
|
|
fig.savefig(args.plot)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|