STM32 MPUs Products

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MicroSD initialization timeout. When inserting the sd card, dmseg shows "mmc0: error -110 whilst initialising SD card" With some logs, i see that mmc_send_app_op_cond is the function that timeouts.

My device tree is the following:&sdmmc1 { pinctrl-names = "default", "opendrain", "sleep"; pinctrl-0 = <&sdmmc1_b4_pins_a>; pinctrl-1 = <&sdmmc1_b4_od_pins_a>; pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>; cd-gpios = <&gpiog 1 (GPIO_ACTIVE_LOW | GPIO_P...

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Lmoio.1 by Senior
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Warning: Source ID *** was not found when attempting to remove it. I have a question which boards from the STM32MP157 family do not have this problem? Sincerely, Alexander.

Good afternoon, I wrote a program for controlling the railway scoreboard in Python 3 for the STM32MP157A-DK1 board. I have a problem. It is described by the link https://bugs.launchpad.net/ubuntu /+source/gnome-control-center/+bug/1264368Troubleshoot...

Vlaty.1 by Senior
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Alsa no sound card found

Hi All,i'm having an issue with STM32MP157c and audio driver WM8994 (same as used into STM32MP15-DK).At boot time i'm still have the following error:[   4.250237] ALSA device list:[   4.251761]  No soundcards found.I share the electrical drawing of o...

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IDe P.1 by Associate II
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Resolved! Exit from standby

EDIT: Found the solution, read for implementationI'm trying to get the MPU to exit from standby. PWR_ON goes to 0 as expected on shutdown, so far so good.I'm using PA2 (WKUP2) but it's not working at all...Is there anything special to setup in the de...

fpoussin by Associate III
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Resolved! Increase VRING_SIZE from 16 to 32 in both processors

Hi there, I am writing an application that requires large streams of IPCC. At the moment I have allocated the RPMSG vdev0 and vrings to SRAM3+4 and I have increased the buffer size of each ring to 1024. The device tree now looks like this: vdev0vring...

KChar.1 by Senior
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Resolved! Fail to reset from linux

I'm having trouble resetting the board from linux.Not using a PMIC but discrete power supplies.I followed the app notes and errata, connecting the NRST and CORE_NRST pins with a cap then later a 0R resistor.I'm using a single 100nF cap on NRST.I can ...

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fpoussin by Associate III
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How to configure USART1 on STM32MP157c

Hi All,i have my own board based on STM32MP157C.I connected usart1 (tx, rx, cts, rts) to Wifi/Ble module and i still got the same error:stm32-usart: probe of 5c000000.serial failed with error -22I discovered that USART1 is a secure device so i need t...

IDe P.1 by Associate II
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