How do I get output (print functions) from app running on Thingy:91 that is connected via cable to nrf9160 DK

[Jesper Tiberg]

Where do I get the output (from the main apps printf/printk etc) from the Thingy:91 once it's connected via 10-pin swd-cable to my nrf9160 DK?

I don't think there's anything wrong with the connections since I can progam the Thingy via the cable (flash the asset_tracker for example).

The output of the DK is streamed via /dev/ttyACM0 (i'm on Ubuntu 18.04) and the /dev/ttyACM1 prints the output from the nRF52. 
I'd assume that the external device output would be /dev/ttyACM2 (or perhaps ttyACM0 when connected).

Is there some configuration I need to do (baud rate on ttyACM*, app config or similar) to enable this?

[Martin Lesund]

Hi Jesper,

You can use "LTE Link Monitor" for this. Just de-select the "Auto device/port filter".

 

Then you should be able to select the COM port from the top left corner. 

I am adding two pre-compiled hex files so you can easily program them to the THingy91 via the Programmer app.

thingy91_at_client.hexthingy91_asset_tracker.hex

[Jesper Tiberg]

Hi Martin,

I unchecked the "Auto device/port filter" checkbox and I could then choose any of the /dev/ttyACM(0-2) ports (see screenshot below).

Which one would be the Thingy (or other cable-connected device)?

ttyACM0 still shows the output from the DK and on both ttyACM1 and ttyACM2 I get the "NRF52840 board control... uptime..."-message every 10 seconds.

I did program the at_client.hex onto the Thingy by the way, and the modem firmware (if related at all) is 1.0.0.

Best regards

Jesper

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