Is there a simple example how to set a PWM driver?

RE: Is there a simple example how to set a PWM driver?

JVKran — Thu, 22 Oct 2020 13:46:31 GMT

That's unfortunate too hear... I've just started using the SDK's and am very impressed at what's possible but not so much at how easy it is to start using the SDK. This example should have definetely been added by now as it provides a quick and easy glance at what's happening. Way better than these incredibly extended example.

RE: Is there a simple example how to set a PWM driver?

Wayne — Tue, 12 Dec 2017 18:45:55 GMT

@bndit I had the same issue and found you need to add these to the Makefile (or alter them in sdk_config.h)

CFLAGS += -DPWM_ENABLED=1
CFLAGS += -DPWM0_ENABLED=1
CFLAGS += -DPWM1_ENABLED=1
CFLAGS += -DPWM2_ENABLED=1

RE: Is there a simple example how to set a PWM driver?

ovrebekk — Wed, 27 Sep 2017 06:58:21 GMT

Hi Richard

I can forward your request, but having something in the next SDK release is a bit ambitious ;)

For every release there is a long list of features that have to be prioritized, and examples like this where there is already a version available on Github or Devzone will usually be put at the back of the line.

Best regards

RE: Is there a simple example how to set a PWM driver?

Richard D. — Tue, 26 Sep 2017 23:53:32 GMT

Thanks so much for the pwm_simple sample; it's a common use case that was difficult to figure out from the complex SDK example. Perhaps pwm_simple could be added to the next SDK release.

RE: Is there a simple example how to set a PWM driver?

ovrebekk — Mon, 22 May 2017 13:55:19 GMT

Hi Which project file did you try? Because of the relative file names in the project you need to put the pwm_simple folder at the right place in the SDK, for instance like this:
\nRF5_SDK_13.0.0\examples\peripheral\pwm_simple\

RE: Is there a simple example how to set a PWM driver?

Bndit — Sat, 20 May 2017 18:21:40 GMT

The simple pwm is not working. Error on compile says : undefined reference to nrf_drv_pwm_init . I have added the nrf_driver_pwm.c file, and enabled the #define in the config file, nothing works. Your project also will not compile, saying : bsp.c no such file or directory . I am not sure why I am the only one in the world who has all these problems, but certainly this awful IDE is missing something important

RE: Is there a simple example how to set a PWM driver?

Bndit — Sat, 20 May 2017 17:21:07 GMT

Thanks a lot ! So what's the different between yours and the one here ?

RE: Is there a simple example how to set a PWM driver?

ovrebekk — Thu, 18 May 2017 12:08:57 GMT

I updated the old case to include support for SDK v13.

Also, a colleague of mine made an even simpler example, which I think is much better if you just want a function that allows you to set the duty cycle directly: pwm_simple.zip

I recommend you have a look at that if you need a way to easily set the PWM duty cycle.

Best regards
Torbjørn