Faster Modem Programming with J-Link and pynrfjprog

RE: Faster Modem Programming with J-Link and pynrfjprog

Albrecht Markus Schellenberger — Wed, 23 Feb 2022 07:29:59 GMT

Hello Jordan,

[quote user="jbax92"]Sounds, good. Thought I would ask just in case.[/quote]

Of course :-)

[quote user="jbax92"]I know the 9160 ships with modem firmware. Which modem firmware version does it ship with? Is it possible to place an order with a different modem firmware version on it?[/quote]

The B1A hardware comes with a preprogrammed Production Test Image, while previous revisions are flashed with the modem firmware image they have been tested with.

Since you need to update the modem firmware to the version you would like to certify your devices with anyway, we do not offer delivery with a specific modem firmware version. But third parties might, upon request.

Regards,

Markus

RE: Faster Modem Programming with J-Link and pynrfjprog

jbax92 — Tue, 22 Feb 2022 21:45:37 GMT

Hey Markus,

Sounds, good. Thought I would ask just in case.

I had an alternate thought:

I know the 9160 ships with modem firmware. Which modem firmware version does it ship with? Is it possible to place an order with a different modem firmware version on it?

Thanks,

Jordan

RE: Faster Modem Programming with J-Link and pynrfjprog

Albrecht Markus Schellenberger — Tue, 22 Feb 2022 12:24:51 GMT

Thanks for your feedback, Jordan!

I’m not sure if there is much more to do, because in the end programming is limited by the write & erase time of the flash memory itself. Considering the ratio in size of both firmware images, the programming time sounds about reasonable.

Regards,

Markus

RE: Faster Modem Programming with J-Link and pynrfjprog

jbax92 — Mon, 21 Feb 2022 17:41:39 GMT

Hey Marcus,

It looks like I was reading the wrong function brief when I saw the maximum speed quote, the brief is for the following function.

nrfjprogdll_err_t NRFJPROG_connect_to_emu_with_snr_inst(nrfjprog_inst_t instance,

uint32_t serial_number,

uint32_t clock_speed_in_khz);

so I think that one is not needed.

The application firmware image is 742KB. We are using modem firmware version 1.2.3 which is 3 MB.

RE: Faster Modem Programming with J-Link and pynrfjprog

Albrecht Markus Schellenberger — Mon, 21 Feb 2022 08:40:36 GMT

Hello Jordan,

[quote user=""]

The documentation for the DLLs claims that if the given clock speed is above the maximum allowable for the device, then it will default to the maximum. This has proven untrue, and instead spits out a DLL error (RC = -102) it seems that 14000 is the highest multiple of 1000 allowable.

A request I would have is to update the documentation to match behavior or visa versa.

[/quote]

Where in the documentation is that mentioned? Can you point me to it?

[quote user=""]But a question would be to ask if anyone has found a faster way to program the modems. Be it calling the DLL's directly, or some other method I haven't thought of.[/quote]

What is the size of the application images you are flashing? Please note that the modem firmware image size is >2 MB for mfw 1.3.x.

Regards,

Markus