Unable to flash to AI deck even after flashing gap8 bootloader with JTAG adapter.

[James9306]

Hi, as the title suggests, I was developing on top of the wifi streamer example. I was following this tutorial (https://www.bitcraze.io/documentation/repository/aideck-gap8-examples/master/examples/wifi-streamer/) , where we were asked to

" In the kbuild menu, go to Expansion deck configuration and make sure Support AI deck is enabled. In the Support AI deck sub menu select WiFi setup at startup and the option Act as Access Point. Now go to the Credentials for access-point menu and set the SSID and KEY as you wish. "

I followed all these steps, it flashed prefectly and tested it out with the opencv-viewer.py. I noticed that no images were being sent . So I started debugging, adding prints here and there to figure out which part is failing. But after couple of tries of flashing the code to gap8, I realised the flashing gets stuck at 99% or 4%, no big issue, I've had expereince of solving this by just using JTAG adapter and flash the new bootloader. But this time, this method didn't work anymore. After flashing new bootloader, it was still stuck at 99%. So I wanted to start the tutorial all over (https://www.bitcraze.io/documentation/tutorials/getting-started-with-aideck/#next-steps). But when I tried flashing the firmware of ai deck using cfclient. This time even this stopped working, it was stuck at Updating deck bcAI:esp. I've taken a look at similar issues like #2047, but nothing works so far.

What should I do next, I am stuck. Any help would be appreciated, thanks!

[gemenerik]

Sorry to hear you are having problems, does it get stuck on Updating deck bcAI:esp right away? Or after a while? Can you try flashing the ESP32 over JTAG following the instructions in the repository?

[James9306]

Hey Rik thanks for the help! Its working fine now

Some info of how I got it working if others are facing this issue:
The Updating deck bcAI:esp gets stuck after it updates buffer for STM32 etc..
And after that just follow the repo Rik gave and flash the ESP32 using the JTAG cable, make sure you're connecting it to the NINA_JTAG part though, I made a mistake of connecting it to the GAP8_JTAG so that's why it didn't work initially.