STM32 MPUs Embedded software

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Resolved! STM32MP157A-DK1 remoteproc to M4 failed

Hello, i'm trying to use M4 kernel from A7 kernel worked under linux.I've started with openSTlinux distro and it works well (i can upload firmware to M4 using rproc), but for some reasons i need to make a very small distro (less than 16 mb). For this...

OMORO.1 by Associate II
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Resolved! stm32mp157c quad spi flash driver

Hi,I'm working the stm32mp157c som and trying to boot external quad spi flash (cypress S25HL512T). I added this to dts. &qspi {   pinctrl-names = "default", "sleep"; pinctrl-0 = <&quadspi_pins_mx>; pinctrl-1 = <&quadspi_sleep_pins_mx>; status = "...

aliMesut by Associate III
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Resolved! In the STM32MP157 I am trying to program an interrupt every 100 us using timer 14. It looks like the code generated is correct, but the result is not correct. It looks like the DiV4 has no effect. The timing is the same as no divide.

Looking at the clock in the MX Device Configuration Tool it says 204 to APB1 Timer Clocks (MHz).To get to 10000 Hz I have to divide 204 MHz by 20400. Fortunately there are a bunch of ways to do this. But on the first try I tried Prescaler 51Counter ...

Resolved! pps-gpio failes to request GPIO

I've enabled pps-gpio and pps in the kernel config and added the following to the device tree:/{ //... pps{ compatible = "pps-gpio"; gpios = <&gpiod 13 GPIO_PULL_UP>; status = "okay"; }; };but this results in the follo...

thomas987 by Associate II
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Resolved! USB2 - USB OTG (on stm32mp157x-DK2) - does it need Vbussx or CCxx connected to function as USB mass storage in U-Boot ?

I have custom stm32mp1 board and when running it as USB mass storage in U-Boot (ums 0 mmc 0), the USB driver is not detected nor by Linux nor by Windows. I am also attaching shematc comparison of eval-board VS my custom board. Also the USB-ORG is wor...

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