Programm Sniffer Firmware to nRF51822

RE: Programm Sniffer Firmware to nRF51822

MartinBL — Wed, 16 Sep 2015 07:19:17 GMT

Just happy to help! Please accept and close the case if you don't have more related questions.

RE: Programm Sniffer Firmware to nRF51822

Roger314 — Wed, 16 Sep 2015 07:14:35 GMT

Ah okay thanks. I could connect it now like this and programm the soft device. I just was really confused by the TDI and TDO Pins, but it works without. Thanks a lot and sorry for the stupid question.

RE: Programm Sniffer Firmware to nRF51822

MartinBL — Wed, 16 Sep 2015 07:12:37 GMT

I'm looking at this picture. It is pretty simple. The nRF51 has a shared nRESET/SWDIO pin as you can see in the Product Specification. So just connect SWDIO to SWDIO and SWDCLK to SWDCLK. Finally you need to connect VTref (aka VTG) on your debugger to Vdd on the MDBT40. This pin is measuring the voltage on your kit to determine if it is present or not. The pin is not meant to power your board. That's it. No need to connect TDI or TDO.

RE: Programm Sniffer Firmware to nRF51822

Roger314 — Tue, 15 Sep 2015 15:15:37 GMT

Thanks for your answers. Now I just need to know where to connect which programming pin. As I have seen in the MDBT40 Datasheet, the Reset and SWDIO are connected together? Have you remapped the Reset Pin on your board? Do I Need to connect the TDI and TDO Pins?

Thanks a Lot in Advance!

RE: Programm Sniffer Firmware to nRF51822

Wojtek — Tue, 15 Sep 2015 14:38:12 GMT

If You want to use Your custom board as sniffer, checking schematics of adafruit ble friend might also be useful. They also provide sniffer firmware (I dunno if it differs somehow compared to nordics sniffer firmware).

RE: Programm Sniffer Firmware to nRF51822

MartinBL — Tue, 15 Sep 2015 13:21:21 GMT

Yes, that should be possible. You can use nRFgo Studio (found here). Then you can download necessary .hex-files and user guides here and Wireshark here.