TouchGFX 4.8.0 and LPCXpresso54608

Eli_H · ‎04-15-2017

Hello:

I posted this in the TouchGFX user forums as well.

TouchGFX 4.8 is broken - LPC54608 – TouchGFX

I wanted to put this report here just in case someone else is trying to get TouchGFX working.

Here is a youtube video of the issue:

1.) I did a fresh install using the version of the .msi installer emailed to me when i requested an evaluation (as of 4/15/2017)

2.) I downloaded the verison of the NSP from here:

http://touchgfx.com/nxp-semiconductors/lpc-5460x/

3.) I create a simple application as shown in the video.

There is a pretty goofy issue with the framebuffer. It exists in the simulator and in the generated embedded code.

I tried with both MCUXpresso V 10.0.0.34 and Keil 5.23. Both yield the same results. Please take a minute to look at the video and it will clearly show how to reproduce the issue.

It turns out that the library does not clear the frame buffer by default!

brendonslade · ‎04-25-2017

Hi Eli,

Thanks for the very detailed bug report! I've reached out to Draupner to ask them to take a look at this.

Regards,

Brendon

Eli_H · ‎04-25-2017

Brendon:

They got back with me the other week. It turns out that the behavior is intentional, it just looks very wrong when you 1st see it. The library doesn't not clear the back buffer in the default setup.

brendonslade · ‎04-25-2017

Yes, they pointed me to your dialog on their forum... here it is for other peoples' reference:

https://touchgfx.zendesk.com/hc/en-us/community/posts/115001696585-TouchGFX-4-8-appears-broken-LPC54...-