Generates the RF spectrum to create a tweezer array using AODs

main.py

import spcm
from spcm import units
import numpy as np

config = {
    # 18925: {
    #    "path": "/dev/spcm0",
    #    "freq": np.linspace(84.5, 120.5, 3),
    #    "freq": [(120.5+84.5)/2]
    # },
    18924: {
        "path": "/dev/spcm1",
        #"freq": np.linspace(85.0, 121.0, 3),
        "freq": [(121+85)/2]
        #"freq": [84.5]
       #"freq": [120.5]
    },
}

with spcm.CardStack(
    card_identifiers=[config["path"] for config in config.values()]
) as stack:
    channels = spcm.Channels(stack=stack, card_enable=spcm.CHANNEL0)
    channels.enable(True)
    channels.amp(2. * units.V)

    for card in stack.cards:
        card.card_mode(spcm.SPC_REP_STD_DDS)

        dds = spcm.DDS(card, channels=channels)
        dds.reset()

        conf = config[card.sn()]

        for i, freq in enumerate(conf["freq"]):
            frac = 40 / len(conf["freq"])

            dds[i].amp(frac * units.percent)
            #dds[i].amp(100 * units.percent)
            dds[i].freq(freq * units.MHz)

            print(f"set core {i} to {freq} MHz and {frac} % amplitude")

        dds.exec_at_trg()
        dds.write_to_card()

    stack.start(spcm.M2CMD_CARD_ENABLETRIGGER, spcm.M2CMD_CARD_FORCETRIGGER)

    input("press enter to exit")