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manual: update example to use DMA handle API

This commit is contained in:
Sebastien Bourdeauducq 2017-04-19 11:07:41 +08:00
parent e8f7f8ef9c
commit badbd72beb
1 changed files with 5 additions and 2 deletions
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7
doc/manual/getting_started_core.rst
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@ -228,8 +228,11 @@ Try this: ::
def run(self):
self.core.reset()
self.record()
# prefetch the address of the DMA buffer
# for faster playback trigger
pulses_handle = self.core_dma.get_handle("pulses")
self.core.break_realtime()
while True:
# execute RTIO operations in the DMA buffer
# each replay advances the timeline by 50*(100+100) ns
self.core_dma.replay("pulses")
# each playback advances the timeline by 50*(100+100) ns
self.core_dma.playback_handle(pulses_handle)