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docs/library/pyb.DAC.rst: Add DAC class constants.

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Jos Verlinde 2021-09-21 21:58:19 +02:00 committed by Damien George
parent ba4f6f5fdf
commit 8715ad9ccf
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docs/library/pyb.DAC.rst
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@ -122,3 +122,15 @@ Methods
dac2 = DAC(2) dac2 = DAC(2)
dac1.write_timed(buf1, pyb.Timer(6, freq=100), mode=DAC.CIRCULAR) dac1.write_timed(buf1, pyb.Timer(6, freq=100), mode=DAC.CIRCULAR)
dac2.write_timed(buf2, pyb.Timer(7, freq=200), mode=DAC.CIRCULAR) dac2.write_timed(buf2, pyb.Timer(7, freq=200), mode=DAC.CIRCULAR)
Constants
---------
.. data:: DAC.NORMAL
NORMAL mode does a single transmission of the waveform in the data buffer,
.. data:: DAC.CIRCULAR
CIRCULAR mode does a transmission of the waveform in the data buffer, and wraps around
to the start of the data buffer every time it reaches the end of the table.