Rigado BMD-340 - NRF52840 BLE + OpenThread sleep mode - current consumption

[VECA_LV]

We are developping an application using an NRF52840, Based on nRF5 SDK for Thread and Zigbee V3.0.0

Running S140 softdevice

We are using BLE advertizements and Openthread communication.

In the main loop, there are 2 lines for OpenThread communication

thread_instance_init(); for init (once)

thread_process(); (in mainloop)

Monitoring the power consumption in sleep mode, the Openthread communication keeps the current around 590uA.

If I disable the init and process line for thread, the current drops to 90uA.

Is it possible to turn on and off Openthread in a controlled way?

How can this be done?

Using nRF5 SDK for Thread and Zigbee V3.0.0.

[Simonr]

Hi

You can check out the Thread CLI Example for how to deinitialize the Thread stack using thread_soft_deinit(), and the BLE and Thread Template Example for how to deinitialize using thread_deinit(). I believe these also demonstrate how the utility calls are used as well.

Best regards,

Simon

[VECA_LV]

Hi Simon,

Thank you for your inputs. 

As a test case, I init a thread instance, immediatly followed by either a soft deinit of a real deinit

When I do this in the mainloop, nothing more on thread calls

thread_instance_init();

thread_soft_deinit();

Nothing happens

When I do this in the mainloop, nothing more on thread calls

thread_instance_init();

thread_deinit();

The processor resets

In the second case, you would expect the thread instance getting initialized and deinitialized, but a reset is the result.

Any thoughts?

BLE stack is initialized, thread is initialized, but thread_deinit(); call crahses the system