spcm-awg-static-one-card.py

import spcm
import numpy as np

# Define frequency ranges for each channel
ch0_freqs = np.linspace(85.0e6, 121.0e6, 3)
ch1_freqs = np.linspace(84.5e6, 120.5e6, 3)

# Assign cores to each channel
ch0_cores = np.concatenate((np.arange(0, 8), np.arange(12, 20)))
ch1_cores = np.concatenate((np.arange(8, 12), [20]))

# Check if the number of frequencies exceeds the number of cores
if len(ch0_freqs) > len(ch0_cores):
    raise RuntimeError(f"Number of frequencies for CH0 ({len(ch0_freqs)}) exceeds available cores ({len(ch0_cores)}).")
if len(ch1_freqs) > len(ch1_cores):
    raise RuntimeError(f"Number of frequencies for CH1 ({len(ch1_freqs)}) exceeds available cores ({len(ch1_cores)}).")

# Configure and use the SPCM card
with spcm.Card(serial_number=18924) as card:
    channels = spcm.Channels(card)
    channels.enable(True)
    channels.amp(2.0 * spcm.units.V)

    card.card_mode(spcm.SPC_REP_STD_DDS)

    dds = spcm.DDS(card, channels=channels)
    dds.reset()
    dds.cores_on_channel(1, *map(lambda core: 2**core, ch1_cores))

    frac = 0.40

    for freq, core in zip(ch0_freqs, ch0_cores):
        dds.amp(core, frac / len(ch0_freqs))
        dds.freq(core, freq)

    for freq, core in zip(ch1_freqs, ch1_cores):
        dds.amp(core, frac / len(ch1_freqs))
        dds.freq(core, freq)

    dds.exec_at_trg()
    dds.write_to_card()

    card.start(spcm.M2CMD_CARD_ENABLETRIGGER | spcm.M2CMD_CARD_FORCETRIGGER)

    input("Press enter to exit.")