About PJEN

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 · 2020-05-26

Working on a STM32H7B3I-DK with a LCD16 (565) frame buffer. I would like to render a text field in an offscreen bitmap to be able to show it in a ScalableImage. For this I will use the drawToDynamicBitmap function. It works if the dynamic bitmap is c...

PJEN · 2020-05-26

I'm working on a STM32H7B3I-DK with a 565 format frame buffer.In my design, the Serial Flash that contents the ExtFlashSection in a standard project will not be memory mapped because I need part of it to record other data.I followed the topics about ...

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

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 ...

PJEN · 2023-08-07

Hello,I found the solution.I add the idea to make a new fresh install of STM32CubeIDE and downloaded the installer.But only making the install of st-stlink-server.2.1.1-1.pkg was enough to solve this problem. It seems that this driver update was not ...

PJEN · 2023-08-03

This is the correct setup.Power of CPU in both cases is 3V3 externally provided (not by the V3PWR probe) , I do not use JTAG but SWD only with 3V3 levels.You also have to know that the problem arises before I connect the device to debug. I mean that ...

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blockCopy function not called with TGFX 4.23.2

STLINK-V3PWR hardware failure

STLINK-V3PWR not supported by STM32CubeIDE V1.1.12

How to use off screen rendering of a textarea in a ARGB8888 bitmap

How to solve HardFault exception loading L8 images from non memory mapped flash

Re: blockCopy function not called with TGFX 4.23.2

Re: STLINK-V3PWR hardware failure

Re: STLINK-V3PWR hardware failure

Re: STLINK-V3PWR not supported by STM32CubeIDE V1.1.12

Re: STLINK-V3PWR not supported by STM32CubeIDE V1.1.12