About jchernus-fikst

jchernus-fikst · 2025-03-26

Hi again, (posting twice today)I am looking at the performance of my STM32H747 system to better understand it. I didn't think there were any problems because I am not visually seeing any artifacts, but I always like to check. As it turns out, my syst...

jchernus-fikst · 2025-03-26

Hi all, here with another question:My coworkers and I are looking at the performance of our GUI, to better understand what's going on under the hood. We followed the steps in the Performance Measurement doc and found our system to behave differently ...

jchernus-fikst · 2025-03-12

Hi all,I have a screen with an RGB interface (Focus LCD E35KA-FW1000-N) that's being driven by an STM32H747 with the framebuffer in external RAM (over FMC). I'm presently using a double framebuffer strategy, but this same behaviour occurs when I used...

jchernus-fikst · 2025-03-10

Hi!I am confounded by a problem I've encountered when migrating to TouchGFX 4.25.0. The following change is being made by the auto-generated code in TouchGFXGeneratedHal.cpp:When that change is included, my FW will result in a black screen. However, ...

jchernus-fikst · 2025-02-26

Good afternoon,I'm using a screen that is naturally in a portrait orientation but my application requires landscape. I've found how to rotate the entire GUI in TouchGFX, however I am finding that I need also to rotate every PNG asset I've imported 90...

jchernus-fikst · 2025-03-19

@GaetanGodart any suggestions for how to proceed? Thanks!

jchernus-fikst · 2025-03-13

Some more settings, in case they're relevant - to avoid going back and forth.More from LTDCTouchGFXDMA2DThanks again!Julia

jchernus-fikst · 2025-03-13

Hey @GaetanGodart,Thanks for responding. Here is the information you asked for:The values for the first two sections, "Synchronization for Width" and "Synchronization for Height" were provided by Focus LCD. The Signal Polarity I worked out myself.The...

jchernus-fikst · 2025-03-12

Great! Happy it works, I got stuck on this too just a few weeks ago. Their instructions are not very clear.

jchernus-fikst · 2025-03-12

Please re-read my answer.Your question asked about Driver -> Application Tick Source. I'm suggesting you change Display -> Interface. These are two different things. Julia

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Rendering time is abysmal

Do frames get updated on every VSYNC or only when GUI changes?

LCD flicker following new FW being flashed

TouchGFX upgrade (4.24.2 -> 4.25.0) broke screen

Screen rotation (90) requires all assets be rotated 90

Re: LCD flicker following new FW being flashed

Re: LCD flicker following new FW being flashed

Re: LCD flicker following new FW being flashed

Re: "LTDC" option not available as Application Tick Source in X-CUBE-TOUCHGFX

Re: "LTDC" option not available as Application Tick Source in X-CUBE-TOUCHGFX