Why is my MP135 program running so slowly?
my code only made changes the io, no rtos, no interrupt, but it cost over 1 us. the picture is that io sta. and clock
STM32 MPUs Products and hardware related
Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
Forum Posts
STM32MP257F-DK SDIO 3.0 Issue (UHS Mode)
I'm working with the STM32MP257F-DK board and using the NXP IW612 wireless module, which is connected through the Murata uSD-M.2 adapter via the board's microSD card slot.When I connect the adapter, the mmc interface detects it in high-speed mode, wi...
STM32MP OpenCV installation
Hello,My aim is to install OpenCV and use it's functionalities on STM32MP1 board. But I coulnd't find a proper documentation about it. Could you help me with this?Thanks.
STM32MP257F-DK CM33 peripheral initialization crashes A35
I generated the M33 code using CubeIDE by following the lab manual.During the driver initializations:MX_ADC1_Init();MX_I2C1_Init();MX_ICACHE_Init();MX_RTC_Init();The A35 halts CPU1 and resets after sometime.E/TC:0 stm32_iac_itr:192 IAC exceptions [15...
stm32mp135 boot stuck
NOTICE: CPU: STM32MP135F Rev.YNOTICE: Model: STMicroelectronics STM32MP135F-DK STM32CubeMX board - openstlinux-6.1-yocto-mickledore-mp1-v23.06.21NOTICE: BL2: v2.8-stm32mp1-r1.0(release):custom()NOTICE: BL2: Built : 15:38:01, Jul 2 2025NOTICE: BL2: Bo...
Reducing OP-TEE RAM size on STM32MP157C-DK2
Hi everyone,I'm working with the STM32MP157C-DK2 board and trying to reduce the amount of RAM allocated to OP-TEE, but so far I haven't been successful.There are 32MiB DDR dedicated for OP-TEE. 30MiB for TZSRAM and 2MiB for SHMEM.In OP-TEE sources I ...
st-stm32mp-tsn-swch Persistent self configured IP address
Can I only modify the ttt-ip-init-systemd.sh script if I need to change and persist the IP address while using the STM32MP switch mode?
STM32MP15: How to allocate FDCAN1 to the M4 and set bitrate 1Mbps & dbitrate 2Mbps?
I am able to use FDCAN1 to communicate on the A7 by adding the following to `STM32MPU-Ecosystem-v6.0.0/Developer-Package/stm32mp1-openstlinux-6.6-yocto-scarthgap-mpu-v24.11.06/sources/arm-ostl-linux-gnueabi/linux-stm32mp-6.6.48-stm32mp-r1-r0/linux-6....
STM32MP257F-EV h264 decode can't work properly
Hello, st:The board I have on my hand is stm32mp257f-ev1.Now I have a problem. The gstreamer cannot work properly when playing mp4 format video.Does the h264 decoder need to be activated or enabled?I run this commandgst-launch-1.0 playbin3 uri="file:...
Video lags on STM32MP157DAC custom boad when playing through Qt6 application
Hi STM Team,We are working with a custom board based on the STM32MP157DAC.We are facing a video lag issue when trying to play a video file from Qt application 6.5.3 using media player.Even reducing the frame rate had no effect.But if we use gst-play ...
