About zzzzz

zzzzz · 2022-03-23

TGFX with multiple languages, In one screen, click a button to play an animated image, a text widget(only one text widget) has English and Spanish content flashed back and forth during running the animation. This problem only happens after switching ...

zzzzz · 2021-10-14

I have the following bug in my project and cannot figure out why.In one function I was using an uninitialized pointer variable to receive data from another function. For some reason it works which I think shouldn't. The code is like this:funcA{ m...

zzzzz · 2021-10-04

I want to design a modal window to block the screen. Based on the different cases it will display different widgets. I want only to display the widgets without modal window background. But it looks like that the modal window class needs a background...

zzzzz · 2021-08-11

Hi,I want to check if there is a message sent from the backend task in every tick event. I am using a freertos queue to send/receive messages. I am wondering whether the handle tick event function is called in an interrupt callback. I need to use the...

zzzzz · 2021-02-25

Hi, We have two similar projects that have many files are in common. Many screens are also used in common. Currently, there have two TGFX designer projects to make GUI code for them. We need to figure out an easy way to manage these common files, dir...

zzzzz · 2021-10-15

Thanks for the reply. My processor is STM32F746, It looks like the 0 address is mapped to ITCM RAM. In my code, the data is copied to that address and used immediately and no other thing messed up the data in that address. That explains why it alwa...

zzzzz · 2021-10-04

Using a transparent image as background may work in my case. Thanks.

zzzzz · 2021-02-25

Did you set canvas buffer? The line is a canvas widget. Users need to set proper canvas buffer to make it work. In the simulator, canvas buffer is set in main.cpp. touchgfx::CanvasWidgetRenderer::setupBuffer(canvasBuffer, CANVAS_BUFFER_SIZE);

zzzzz · 2021-02-24

0x0800C000, which is baseaddress|offsetbetween the reset handler and main, SystemInit function is been called. It set VTOR .Reset_Handler: ldr sp, =_estack /* set stack pointer *//* Copy the data segment initializers from flash to SRAM */ movs...

zzzzz · 2021-02-23

Thanks for your answer. The problem is solved after porting the project to CubeIDE. Before I was using Truestudio, during the compilation, in the end( link stage), the console always outputs a very long command line that contains the paths of all fil...

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TGFX with multiple languages, a text widget content is flashed back and forth during running animation.

How does an uninitialized local pointer work in STM32?

Why does the TGFX modal window need to set a background to work?

Is the TGFX screen:: handleTickEvent() called in LTDC interrupt ?

TGFX, How to manage common screens for different projects?

Re: How does an uninitialized local pointer work in STM32?

Re: Why does the TGFX modal window need to set a background to work?

Re: Lines and Shapes inside a ListLayout

Re: Vector Table Offset Register behaviour

Re: Create process error. Command-line too long, TGFX generating file path...