QUESTION - TouchGFX Community repost - Christian Tavilla - April 2018
Hi,
I'm new in TouchGFX environment and I developed my first GUI.
The second step was entering in the embedded system (STM32F469 - disco) with keil to add my C code.
I controlled a LED adding in tick function of model.cpp del BSP function BSP_LED_On(LED1).
Now, I modified BSP library (stm32f469i_discovery_lcd.c) automatically added by TouchGFX generating code because with respect to the original library it misses in some function, i.e. BSP_LCD_DisplayStringAt(x,y, *Text, alignMode).
I compile my project with display string function without problem but when I program the microcontroller I do not view any "Hello world" text on board display. Something is shown but not a character.
Why? Is there a Layer that overlap my text?
The final goal of my project is to read a sensor through I2C communication and print the result on display as text.
In your tutorial, I saw about wildcard and updating it in visual studio (Making Your Application Come to Life) but in this video you only simulate the temperature measure incrementig a variable and do not interface with real system.
Do you have other tutorial for this topic? I read on the web that it is a very common request.
Thanks in advance,
CTa
ANSWER - TouchGFX Community repost - Flemming Gram Christensen - April 2018
Hi Christian
Do you plan to use BSP_LCD_DisplayStringA and TouchGFX in the same program?
This will not work as they are not coordinating who is drawing in the framebuffer.
To present a value on the screen, you should use a TextAreaWithWildcard.
You can find help here:
https://touchgfx.zendesk.com/hc/en-us/articles/205074561-Connecting-the-UI-to-your-system
This example shows how to get an ADC value to the ui:
http://ftp.draupnergraphics.com/TouchGFX/Examples/HardwareIntegrationSTM32F469Eval.zip
Regards
ANSWER - TouchGFX Community repost - Christian Tavilla - April 2018
Thanks,
I tried to use the example but there is an error.
It say that button ON OFF image is not located in asset/image folder (see image attached).
Next, I copied and pasted "Blue_Togglebars_Toggle_round_large_button_Off.png" and "Blue_Togglebars_Toggle_round_large_button_On.png" in the image folder. I choosed them in TouchGFX (see image attached) but continue to have error.
I use TouchGFX Designer 4.9.2 and when I opened the project it says me to upgrade because was realized with an older software version.
Same compilation error there is if I open Visual Studio solution.
Could you provide me an example for my touchGFX version and keil target please?
Thanks in advance,
Christian
ANSWER - TouchGFX Community repost - Anders Nedergaard Petersen - April 2018
Hi Christian,
It appears that the project contains more than one images in assets/images with the name "Blue_Togglebars_Toggle_round_large_button_On.png"
