STM32 MPUs Products and hardware related

Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.

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Resolved! How to enable hardware flow control (rs485)?

I am using the STM32MP157C-DK2 board. I fixed the stm32mp157a-dk1 file as shown belowGenerated the device tree blobs (* .dtb) and updated the device tree blob on the board.I sent an echo "hello!" > /dev/ttySTM1and I see that the RTS pin is held for t...

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ASido by Associate II
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Resolved! USB-OTG suspend on connect

Hi,We're using a STM32MP157C on a custom board and trying to get ethernet over USB to work. We have a type B USB connector on the board and when a cable is connected, the USB peripheral seems to get suspended as the logs from dwc2 shows. We've seen t...

MLars.10 by Associate II
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Resolved! STM32MP157-DK2 problems RPMsg

I want to exchange data between M4(running custom firmware) and A7(running OpenSTLinux) by using the Linux RPMsg framework.The ST-wiki refers to https://www.kernel.org/doc/Documentation/remoteproc.txt.I tried to run the example given by kernel.org, b...

Lukas1 by Associate III
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Resolved! STM32MP1 no OS

Can I use STM32MP1 without an operating system?Linux is harder for me to master than a microcontroller.It would be convenient if the cube generated code hal for the processorIs there a similar feature planned?If not, is there a step-by-step instructi...