Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
I am using the STM32MP157C-DK2For testing purpose I need to build and replace the BSP and in particular the bootloader.The documentation is a bit messy and I'm not able to find the information I need.I need to rebuild and replace TF-A and u-boot.I re...
The CS42L51 used in the STM32MP15-DK2 has a beep generator that can be used to generate tones with selectable frequency and separate volume control.Is this functionality exposed by the CS42L51 ALSA driver? Can this be used from Linux?Thank you,Guill...
tty*** is not created when plugging in Prolific Technology, Inc. PL2303 Serial Portlsusb returns: Bus 002 Device 014: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Portbut no tty*** is created and I cannot communicate with the device.Thank ...
I want to configure the TFTP launch, but I can't generate the core-image-least-initramfs system
Board: STM32MP157A-DK1Situation: I have the release 2.6-openstlinux-4.19-thud-mp1-19-02-20 on the A7 core running. I created a simple FreeRTOS LED app with the latest CubeMX for the M4 core. The FreeRTOS interface ist CMSIS V2. The SYS Timebase Sourc...
I compiled uboot and Linux kernel packages, used a brand new SD card.and used "sgdisk" to divide them into five areas. fsbl1,fsbl2,ssbl,bootfs,rootfs.Use the following command to complete the burning of u-boot：---------------------------------------...
I have problems with different SDIO WiFi Modules on the stm32mp157-dk2. Those Modules are connected to the sdmmc3. The modules are qca9377-3 and wilc3000. Both Modules are slow compared to the on the dk2 embedded device and both are slow compared to ...
We designed our own board and use RTL8211E instead of RTL8211EG-VB-CG. We are unable to get the PHY device to respond although we copy the same circuit from the MB1262. The MAC is working but the communication to Realtek PHY seems to be a problem. ...
According to the documentation of the EV1 eval board:"The STM32MP157xAA3 also drives a sub system reset, SUB_NRST signal on PD10 IO, to the peripherals: USB Host Hub, MFX, Ethernet, and RGB_LTDC connector."Is this signal generated automatically by th...
