DAC.write_timed() support?

[mathieu]

Hello,

Is DAC.write_timed() supported on ESP32 (more specifically, on the Sparkfun ESP32 Thing)?

I looked for information in the Github source for MicroPython, but didn't find anything.

Thanks,

- Mathieu

[pythoncoder]

It seems not:

Code: Select all

MicroPython v1.9.4-7-gaeaace07 on 2018-05-12; ESP32 module with ESP32
Type "help()" for more information.
>>> 
>>> import machine
>>> p = machine.Pin(25)
>>> a = machine.DAC(p)
>>> dir(a)
['__class__', 'write']
>>>  

I doubt that a satisfactory implementation is possible owing to the high latency resulting from the underlying OS. It's best suited to bare-metal ports like the Pyboard.