About PJEN

PJEN · 2024-09-11

Hello,It's quite easy to manipulate the CLUT for an L8 uncompressed Bitmap but how could we find the CLUT entries when the Bitmap is compressed with either RLE or LZW methods?When looking at the .cpp generated for such an image around the extra_data ...

PJEN · 2024-08-10

The SVGImage widget is a great tool but, as I understand it can only use SVG images from the SVGdatabase.I may imagine to subclass the SVGImage class and handle directly run time created lists of VGObject as it is done with the SVGdatabase.What is mi...

PJEN · 2024-04-08

Hello,I started a new design based on an STM32H745XI with a 480x272 TFT screen.I have some experience with TouchGFX with a previous design on an STM32H7B3 with the same screen but this development is stucked at the TouchGFX 4.17 revision.My problem i...

PJEN · 2023-11-03

I'm using my V3PWR probe for weeks now... but this morning it refuses to work. It was working yesterday evening with the same setup.When I connect to the USB-C cable, no led at all , no USB enumeration ... nothing !! I changed the cable without succe...

PJEN · 2023-06-29

I'm running on Mac-OS with CubeIDE V1.12.1 (the latest at this time)When I try to connect a target using SWD with my STLINK-V3PWR probe I get the following:"No ST-Link detected" in a popup named : "ST-LINK firmware verification"If I try to upgrade th...

PJEN · 2024-09-23

Hello,This is not very clear for me but digging around I found that, by chance, the extra_data is linked on adresses just before the bitmap data as in this example : 0xd3e575e4 0x40fc ./TouchGFX/generated/images/src/image_worldmap.o0xd3e575e4 image_w...

PJEN · 2024-09-20

Hello Osman,I'm currently working on a device that displays images from a file in relation to the GPS position of the device. This device is used on off road rallyes for example. The file format is like 'openrally' (see https://github.com/openrally/o...

PJEN · 2024-04-10

Update to this topic .I had an issue in my blockCopy code ... that's why the Bitmap::cacheAll() did not properly copy the bitmaps.So my only problem is to not be forced to call the cacheAll() function and have the bmp loaded from eMMC when they are n...

PJEN · 2023-11-20

:thumbs_up:And I just received the replacement probe ...Thank you for your support

PJEN · 2023-11-07

Hello Christophe, No, I did not return the device to Farnell yet … I can send it directly to ST for analysis.It will be interesting for me to know if I’ve done something wrong with this probe in order not to make the mistake again ;) For the moment I...

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How to access CLUT of L8 compressed bitmaps

Is it possible to create dynamic SVG images as it can be done with Dynamic Bitmaps ?

blockCopy function not called with TGFX 4.23.2

STLINK-V3PWR hardware failure

STLINK-V3PWR not supported by STM32CubeIDE V1.1.12

Re: How to access CLUT of L8 compressed bitmaps

Re: Is it possible to create dynamic SVG images as it can be done with Dynamic Bitmaps ?

Re: blockCopy function not called with TGFX 4.23.2

Re: STLINK-V3PWR hardware failure

Re: STLINK-V3PWR hardware failure