Lanbon L8 Screen Corruption / Unstable Firmware (0.6.2)

[DJBenson]

Perform all steps below and tick them with [x]

• [ X ] Check the related part of the Documentation
• [ X ] Update openHASP to the latest version
• [ X ] Reproduce the issue and describe all steps

Describe the bug

Flashed a brand new Lanbon L8 over serial with the latest firmware, there is extensive screen corruption and the firmware is unusable on my device.

To Reproduce

Flash new device using latest firmware
Configure device for WiFi and MQTT
Upload sample jsonl file for 3-relay example

Expected behavior

Device works, screen is responsive and clear

Screenshots or video

FullSizeRender.mp4

[fvanroie]

What is the PCB version noted on the board, just below the pinheader?
If it is v1.17 it sounds a lot like this frequency issue.

[DJBenson]

It is indeed v1.17

[fvanroie]

I set the SPI frequency to 60MHz in the development branch.
Feel free to test it. The build is available at the bottom of this page.

[DJBenson]

Thank you. I ran a custom build and amended the speed and it does indeed work fine. Thank you for confirming this issue and also for the fix.

[fvanroie]

Thanks, this will be the new default setting in v0.6.3, since v1.17 PCB are getting more common these days.