Open Fred583 opened 1 month ago
I can upload whatever file is needed, or if I need to flash a new bootloader that works too. But right now I'm running in circles trying to fix this.
Okay just to continue the troubleshooting process, came across another issue that had the unlocked dreamer bootloader in it. Flashed it and tried every update process I could, and only got a white screen. So as of right now I'm still stuck with the backup of my locked bootloader with no idea where the trigger byte is.
Description
I have been trying to fix this printer with no luck. I cannot flash as the previous flash got corrupted and now I cannot get past the build on screen. I have tried to use an ST-Link, but I cannot find the bootloader byte that needs to be changed from 0x00 to 0xFF in order to update from SD. I can flash firmware through the ST-Link, but after restart I get the same problem.
Reproduction steps
Screenshots
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Logs
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Printer
Dremel 3D20
Marlin Version
2.1.2.1
Marlin Features
No response