PWM conflict with FreeRTOS Thread example

RE: PWM conflict with FreeRTOS Thread example

AndreasF — Tue, 23 Apr 2019 05:20:43 GMT

Hi.

Sorry for the late reply, we have been low on staff due to Easter.

I've talked to one of the developers, and he could not come up with any reasons for this being related to the thread stack.

The only thing that is triggered because of otThreadSetEnabled function is the otStateChangedCallback, which indicates e.g. that role has been changed DETACHED -> CHILD/ROUTER/LEADER.

Could you try to remove the initialization of the bsp_thread module and then try to debug?

Note: I will be out of office on travel today.

Best regards,

Andreas

RE: PWM conflict with FreeRTOS Thread example

jonbas — Mon, 15 Apr 2019 11:38:14 GMT

Perfect, thanks for looking into this!

RE: PWM conflict with FreeRTOS Thread example

AndreasF — Mon, 15 Apr 2019 11:36:35 GMT

Hi.

I have reproduced the issue, I'm not sure why it occured, so I will have to ask the development team on some feedback if that is OK for you.

Best regards,

Andreas

RE: PWM conflict with FreeRTOS Thread example

jonbas — Fri, 12 Apr 2019 08:45:27 GMT

Sorry for wasting so much time, here the full zip (maybe something went wrong during compression)

https://basalte-my.sharepoint.com/:u:/g/personal/jonathan_vervaeke_basalte_be/ERICxS3COrdMoiCGPNMwI_UBfRrOblLxIbVbDqRr_4AO4A?e=O8oSHN

If it does not compile straight, please let me know ;)

Thanks!

RE: PWM conflict with FreeRTOS Thread example

AndreasF — Fri, 12 Apr 2019 08:30:08 GMT

Hi.

I've been trying to compile the project for the last hour or so, but I'm unable to get it working. There is a lot of missing files and so on.

Can you share the entire project folder with me so that it compiles out of the box?

Best regards,

Andreas

RE: PWM conflict with FreeRTOS Thread example

jonbas — Fri, 12 Apr 2019 07:27:05 GMT

The project is available here:

https://basalte-my.sharepoint.com/:u:/g/personal/jonathan_vervaeke_basalte_be/ERICxS3COrdMoiCGPNMwI_UBfRrOblLxIbVbDqRr_4AO4A?e=PQQsGO

This blinks an RGB led attached to R -> 1.10, G -> 1.14, B -> 1.11

The main code is in drivers/led/led.c

When running the example, only the R and G led works, the B led does not work.

I've created two defines which changes the order of initializing the PWM, which breaks the Green led instead of the Blue led:

#define LED_BLUE_BROKEN
//#define LED_GREEN_BROKEN

Another way of looking into this is by comment out the initialization of the thread device (in main.c).

(This leaded me to the otIp6SetEnabled() function.)

When you do this, all leds blink correctly!

    /*thread_instance_init();
    thread_coap_init();
    thread_bsp_init();
    thread_coap_utils_light_changed_callback_set(light_changed);
    thread_initialized = true;*/

Thanks for looking into this!

RE: PWM conflict with FreeRTOS Thread example

AndreasF — Fri, 12 Apr 2019 06:04:42 GMT

Hi.

I'm a bit unsure why this relates to otIp6SetEnabled().

Could you share your project with me, so I can take a look at it?

Best regards,

Andreas

RE: PWM conflict with FreeRTOS Thread example

jonbas — Thu, 11 Apr 2019 12:10:21 GMT

I use this SDK: nRF5SDKforThreadandZigbeev300d310e71

The state is after the function has been called.

I tested with app_pwm.c and with nrfx_pwm.c.

The problem is when using app_pwm.c, replace the functions with the one in nrfx_pwm.c, and the issue is gone.

RE: PWM conflict with FreeRTOS Thread example

AndreasF — Thu, 11 Apr 2019 12:06:58 GMT

Hi.

[quote user="jonbas"]the state is OT_ERROR_NONE[/quote]

Is that before or after you have called otIp6SetEnabled?

Which SDK is the driver working from, which SDK is the driver not working from?

Best regards,

Andreas

RE: PWM conflict with FreeRTOS Thread example

jonbas — Wed, 10 Apr 2019 14:19:06 GMT

the state is OT_ERROR_NONE

I tried with the old PWM driver (nrfx_pwm), and that works flawless.

RE: PWM conflict with FreeRTOS Thread example

AndreasF — Mon, 08 Apr 2019 07:49:15 GMT

Hi.

Which state are you in when you call otIp6SetEnabled?

Looking at the openThread stack it looks like the state could be the issue

Best regards,

Andreas

RE: PWM conflict with FreeRTOS Thread example

jonbas — Fri, 05 Apr 2019 09:49:20 GMT

Maybe relevant, but when I change the order of initializing, another PWM fails

For instance, when I do this:

    err_code = app_pwm_init(&PWM2, &pwm2_cfg, pwm_ready_callback);
    err_code = app_pwm_init(&PWM3, &pwm3_cfg, pwm_ready_callback);
    err_code = app_pwm_init(&PWM1, &pwm1_cfg, pwm_ready_callback);

PWM1 fails (RED led) instead of PWM3 (BLUE led)