STM32 MCUs TouchGFX and GUI

Using C library with TouchGFX

I am trying to implement dynamic QRCode generation. I am using the library https://github.com/ricmoo/QRCode and the QRCode widget from https://support.touchgfx.com/4.16/docs/development/ui-development/touchgfx-engine-features/custom-widgets#example-s...

Increment Counter on Touch GFX from external (PCB Hardware) pushbutton.

I am trying to increment a counter on touch GFX GUI by pressing a push button located on the STM32F429I-DISC1 evaluation board. There are tutorials on doing this with a push button on the touch screen but not from external hardware.Can someone please...

Block in _exit() function in syscalls.c with ili9341

Hi everyone,I'm developing a project with stm32G0 and ILI9341 graphics controller, as frambuffer strategy I'm using "Partial Buffer". Everything works fine but occasionally the program crashes and ends up in the _exit() function in syscalls.c.The cau...

Touchgfx timer hardware (TIM5) in ScreenView.cpp ??

Hi, I would like that use a callback of timer (programmed with 10ms) to override the "ScreenView::handleTickEvent()" function, because this function has interrupt in ~14ms.I managed to create the function and link the cpp and C files, but I couldn't ...

How to store jpeg image in Flash memory of STM32?

I have a JPEG image, is there any way to store jpeg image in the internal flash of STM32?And how to read the image?

Why working the simulation not work on the target?

I have an STM32469I-DISCO kit. I followed tutorial 2 in Touch GFX and tested it with the simulator and it worked fine. Then I tried to run it on the target board. The program downloaded but the screen remained blank yet Touch GFX said it was successf...

LTDC_PIXEL_FORMAT_RGB888, framebuffer format?

Hello,I'm using LTDC_Display_1Layer example.In case I use "LTDC_PIXEL_FORMAT_RGB888" in which format should I store a picture in the framebuffer?I did following, but the pictures is not displayed correctly. 24bit value of a pixel is stored in one 32b...

Touchgfx Text with color fade / color gradient

I would like to print text onto the screen but for the font to have a color gradient ie slightly lighter at the bottom than the top.i would be grateful if someone could help point me in the right direction to start looking at how to achieve this?im c...

I would like to add a colour gradient onto the text we are writing to the screen. How can this be achived ?

Configuring DCMI / DMA to truncate 2 least significant bits of 10-bit pixel stream

I currently use the STM32H7 MCU with CMOS monochrome imaging sensor connected via 10-bit parallel DCMI interface. However, when wired this way to the MCU the grayscale pixels are stored as 16-bit unsigned integers in the memory.Is there any way to co...