STM32 MPUs Embedded software and solutions

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Resolved! STM32MP157-EV kit with led blink

Hello, I have dual core STM32MP157F-EV evaluation kit. I can connect via ST-link and install an application (This is installing on M4). And when I press the reset button, the application is deleted because the M4 core is RAM. I want it to work again ...

ABayl.2 by Associate II
  • 1574 Views
  • 6 replies
  • 1 kudos

PWM - output during Suspend mode

HiWe are using SEEED studio 102110318 module which uses STM32MP157CAC3 processor. We want to know if there is any way we can keep processor pin PD13 pin to low state in suspend state. We want the pin to maintain low state while in sleep mode. We have...

Srini by Associate II
  • 1540 Views
  • 4 replies
  • 0 kudos

Permanent current drain from VBAT

Hi,we are using a coin cell to supply the internal RTC of an STM32MP157 when our system is unpowered.This works as expected - as long as the external supply is off. As soon as the system is powered on, the battery is discharged with >20µA.Observing t...

jvog.sen by Associate II
  • 1610 Views
  • 4 replies
  • 0 kudos

Resolved! Boot UBIFS from dataflash (nor0)

Hi Everybody,I would like to completely boot kernel 5.10-dunfell (last year) from a 64MB dataflash (nor0). No mmc0 or nand0. Compiled the correct DTS with TF-A, U-Boot and kernel, I would like to use the following TSV for STM32CubeProgrammer:#Opt ...

ATringali by Associate II
  • 2478 Views
  • 5 replies
  • 0 kudos

Using Jtag/SWD in Linux

Custom PCB, STM32MP157C chip. Linux 5.7.10. Buildroot build. No issues - Linux boots to console prompt without trouble, no errors. I can view device registers and all memory regions using Segger Jlink via SWD in both SPL and UBoot. Once Linux starts ...

info by Associate II
  • 1630 Views
  • 1 replies
  • 0 kudos