STM32 MPUs Embedded software and solutions
Ask questions and find answers on STM32 microprocessors and dedicated embedded software solutions, such as Yocto SDK, Qt, and OP-TEE.
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Resolved! Custom SOM : STM32MP1 - DSI Not Working
Hi all,I have been trying to get DSI interface on a custom board using STM32MP1.The device tree exactly done as given here : LInk.I do have DK2 kit , which i probe I am able to see the signals at DSI PHY even if display is not connected.In case of my...
In RS485 communication I receive everything I send, how do I disable this return (echo)?
I'm working on a driver present in the Linux 5.4 kernel. In RS485 communication I receive everything I send, without being connected to another device to return what I sent.I use the command echo -e "Test" > /dev/ttyLP0 for the submission.I know that...
Resolved! How can I set PWM to input capture mode in Linux for EV1 board?
I am trying to configure the TIM2_CH4 to capture mode on EV1 board so I can sense a fan speed from a PWM fan but I keep getting cat: read error: Connection timed outI have configured the timer as follows: &timers2{ pinctrl-names = "default", ...
Resolved! RTC is not keeping time during low power mode
I am configuring the CPU to wake up from UART reception and/or GPIO interrupt:echo enabled > /sys/devices/platform/soc/4000f000.serial/tty/ttySTM1/power/wakeupecho enabled /sys/devices/platform/soc/4000f000.serial/power/wakeupAnd it goes to sleep wit...
STM32H747I-DISCO U-Boot support
Hi!I ordered now a STM32H747I-DISCO board. Have looked in the source tree from U-Boot (ST fork and mainline). I know there is a support for STM32H743I-EVAL board. Wondering why there isn't a support for the STM32H747I-DISCO.Generic question:Has someb...
Resolved! How can I made a script runs automatically immediatly after boot finished?
Hi,I'm using OpenST-linux version 4.9 on a STM32MP157c-ev1 and I wrote a simple script to run my firmware for Core M4. I would like to know how I can make the script run automatically after system boot.Here's my script if could of any help for answer...
STM32MP157F-DK2 SAI Receive FIFO Not Filling. Block A configured as MasterTX, Block B configured as SlaveRX.
SAI2 Block A configured as a MasterTX and works. Fs configured for 48KHz, bit clock configured as 64*Fs and MCLK as 256*MCLK. I've verified these signals are sent to the audio codec which is configured as a slave (receives MCLK, SCLK, LRCLK (Fs)). Th...
FPGA for ETHERNET and SSF transceivers ?
Hi dears I wish you a good day ,I am working on my bachelor graduation prohect which is ( an overcurrent protection relay design ) and I using an STM32MP1 to have all the functions and required controlling inside it. And I want to add a communicatio...
Resolved! how to download openstlinux SDK 1.0.0 package ?
Hi, I know that the ecosystem is already at 3.1.0 or higher, but we started our project in 2019 and working with image based on that release (1.0.0) and don't plan to upgrade.I wanted to send a link to the SDK from your website to our customers, but ...