this post was submitted on 13 Mar 2024
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flashlight

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Portable illumination

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Sofirn LT1 Mini, are these reflash pads? (lemmy.world)
submitted 8 months ago* (last edited 8 months ago) by solrize@lemmy.world to c/flashlight@lemmy.world
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And, any idea how to use them? 3 pins is perplexing.

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[–] al177@lemmy.sdf.org 9 points 8 months ago (2 children)

Nope.

UPDI used on Atmel micros on Anduril capable flashlights uses a single line for debug and flashing. Much earlier than that, Motorola/Freescale/NXP Coldfire, S12, and some other MCUs used BDM which was also a single wire protocol.

If you want to flash a newer Anduril to this light, look here for hardware and procedures to use those pads.

[–] solrize@lemmy.world 3 points 8 months ago

Wow are you saying this light has updi and a t1616? Nice! I knew that the sp10 pro has that but I had thought the LT1S was older. I just checked my sp10 pro though, and sure enough, it has similar contacts. So this is welcome news. Thanks!

[–] Manfred@lemmy.world 1 points 8 months ago* (last edited 8 months ago) (1 children)

The programming hardware won't help because the firmware is closed source.

[–] al177@lemmy.sdf.org 1 points 8 months ago (1 children)

You don't need the original source to program a flashlight. If it's ATTiny based then Anduril has your back.

[–] Manfred@lemmy.world 2 points 8 months ago

I agree. If you are able to define the HW specific part of Anduril for this new model you can create a hex file and flash it.