Forum Posts
OpenGL context for drawing w/shaders
I’m new to the stm32mp1, I’m struggling to figure out how to get SDL2 working with OpenGL on the platform. I can create a window with SDL, but if I try to create an opengl window, I get a runtime error that GTX is not supported.I should note that my ...
Which is best optimized for speed, using 4 separate variables or a 4 dimension Array?
I want to ensure I've used the most optimized code. I'm using gcc on linux. I have 4 values to store. If I use an array, I can for() loop as a convenience and shorter code, but is there added overhead compared to just using separate variables and hav...
Pinmux RSVD in mainline Linux
Hi!I use buildroot - NOT openstlinux.My M4 code works fine in engineering mode, but fails in production mode.I suspect that it is due to the device tree file.The DTS file generated by STM32CubeIDE has some pinmux assignments to "RSVD", which fails in...
Resolved! Time out check load galcore module expired, How to solve it?
This is a problem that has bothered me for months.I hope someboby could give me some help.Firstly I use STM32Programmer to flash the STM32MP157F-DK2, it runs really fun.After I rebuild the kernel V3.1.0 followed by Wiki and use "scp arch/arm/boot/uIm...
Add OpenCV to STM32MP157C-DK2 Discovery Board
I'm trying to figure out how to add OpenCV to my STM32MP157-DK2 Discovery Board. I am not new to ST Microcontrollers, but I am new to the MP1 and Cortex A processors. I'm also not new to Linux but am completely new to embedded Linux and Yocto.I can s...
Measuring USB Signal Quality on customer STM32MP15x hardware
For measuring the USB signal quality, it is necessary to print out test pattern on the USB interface. How this can be done on a customer board with STM32MP15x controller. Is a test software or source code available?
Resolved! apt-get: You don't have enough free space
Hi, I installed node.js with apt-get on my STM32MP157C-DK2, which worked great.Now I want to install another package but it failsapt-get install nodejs-npm... Need to get 7286 kB of archives. After this operation, 0 B of additional disk space will be...
Resolved! How to add native gcc to linux distribution?
What's the process to add a native gcc to openstlinux-weston so I can compile from the command line on my DK2 dev board? I was able to rebuild using bitbake and started poking around to find which layer to enable to get a native gcc running on the ST...
Resolved! Cannot send VIRT_UART_Transmit as dst is RPMSG_ADDR_ANY
I'm following the OpenAMP_TTY_echo example.To do a Tx it basically uses two functions: VIRT_UART_Init and VIRT_UART_TransmitAfter I use VIRT_UART_Init, I can see in the Linux terminal a log message something that suggests the initialization is workin...