artiq/examples/dds_test.py

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from artiq import *
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from artiq.coredevice import comm_serial, core, dds, gpio
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class DDSTest(AutoContext):
a = Device("dds")
b = Device("dds")
c = Device("dds")
d = Device("dds")
led = Device("gpio_out")
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@kernel
def run(self):
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for i in range(10000):
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if i & 0x200:
self.led.on()
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else:
self.led.off()
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with parallel:
with sequential:
self.a.pulse(100*MHz + 4*i*kHz, 500*us)
self.b.pulse(120*MHz, 500*us)
with sequential:
self.c.pulse(200*MHz, 100*us)
self.d.pulse(250*MHz, 200*us)
self.led.off()
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def main():
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with comm_serial.Comm() as comm:
coredev = core.Core(comm)
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exp = DDSTest(
core=coredev,
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a=dds.DDS(core=coredev, dds_sysclk=1*GHz,
reg_channel=0, rtio_switch=2),
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b=dds.DDS(core=coredev, dds_sysclk=1*GHz,
reg_channel=1, rtio_switch=3),
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c=dds.DDS(core=coredev, dds_sysclk=1*GHz,
reg_channel=2, rtio_switch=4),
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d=dds.DDS(core=coredev, dds_sysclk=1*GHz,
reg_channel=3, rtio_switch=5),
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led=gpio.GPIOOut(core=coredev, channel=0)
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)
exp.run()
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if __name__ == "__main__":
main()