MicroPython Forum (Archive)

Hello,
I am trying to use the timer functionality on Y11/B0 and I don't seem to get it to work as on other pins.

t = pyb.Timer(1, freq=1000, mode=pyb.Timer.CENTER)
ch2 = t.channel(2, pyb.Timer.PWM, pin=pyb.Pin.board.Y11, pulse_width=(t.period() + 1) // 2)

The datasheet shows: PB0: TIM1_CH2N, TIM3_CH3, TIM8_CH2N
I think there is some configuration issue with inverted timer channels (TIM1_CH2N).

Did someone try this on Y11?

I've never tried the inverted channels. There is probably some additional setup that needs to be done.

Yeah - I see that there are separate functions in the HAL for turning out complimentary Output Compare and PWM modes.

Do you think this could be an easy fix?
If not please let me know. Thanks.

I've got something coded up and it seems to be working. It needs some more testing.

ok great. I will be waiting for your changes. Thank you.

I created https://github.com/micropython/micropython/pull/900 if you want to try it out before it gets merged.

Now merged.

Excellent. Thanks.

Tested. Works great.