datasheets/examples/dma.py

30 lines
694 B
Python

from artiq.experiment import *
class DMA(EnvExperiment):
def build(self):
self.setattr_device("core")
self.setattr_device("core_dma")
self.setattr_device("led0")
@kernel
def record(self):
with self.core_dma.record("led_blink"):
delay(100*ms)
self.led0.on()
delay(100*ms)
self.led0.off()
@kernel
def playback(self, n):
handle = self.core_dma.get_handle("led_blink")
self.core.break_realtime()
for _ in range(n):
self.core_dma.playback_handle(handle)
@kernel
def run(self):
self.core.reset()
self.record()
self.playback(2)