urukul_scan.py

from artiq.experiment import *
from artiq.coredevice.ad9910 import PHASE_MODE_ABSOLUTE
import time
import numpy as np


class SingleChannelScan(EnvExperiment):
    """Single channel frecuency sweep"""
    def build(self):
        self.setattr_device("core")
        self.setattr_argument("channel", EnumerationValue(["0", "1", "2", "3"], "0"))
        self.setattr_argument(f"amp", NumberValue(1., min=0., max=1.))
        self.setattr_argument("freqs", Scannable(
                                        default=CenterScan(200*MHz, 20*MHz, 1*MHz),
                                        unit="MHz",
                                        scale=MHz,
                                        global_min = 1*MHz,
                                        global_max = 400*MHz
                                       )
                             )



        # client control broadcast: lo traigo para podes darle update a los applets
        self.setattr_device("ccb")

    def run(self):
        self.salida = self.get_device(f"urukul0_ch{self.channel}")
        # Armo dataset exclusivamente con el proposito de mostrar
        # la frecuencia actual en un applet que se actualice
        self.set_dataset("current_freq", np.array([self.freqs.sequence[0]]),
                         broadcast=True, archive=False)
        self.ccb.issue("create_applet", "output_frecuency",
                        "${artiq_applet}big_number "
                        "current_freq")
        print("Arranco")
        print(f"Canal: {self.channel}")
        print(f"Amp  : {self.amp}\n")

        self.run_kernel()

    @kernel
    def run_kernel(self):
        self.core.reset()
        self.salida.cpld.init()
        self.salida.init()

        delay(10*ms)

        self.salida.set_amplitude(self.amp)
        self.salida.set_phase_mode(PHASE_MODE_ABSOLUTE)
        self.salida.set(self.freqs.sequence[0])

        for freq in self.freqs.sequence:
            self.salida.sw.pulse(6*ms)
            self.salida.set(freq)
            self.mutate_dataset("current_freq", 0, freq)
            delay(4*s)