STM32 MPUs products

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STM32MP1 - Bare metal on A7

Hi,I have a current project using the M7 that I need to port over to the A7. The goal is to be running bare-metal code on the A7, like we are on the M7. Currently, I am following this open source guide to run bare-metal on the A7 and it seems to work...

mkurtz by Associate II
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  • 6 replies
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Resolved! multiple ADC for gpio

Hi!! I have STM31mp157C and I want to use the ADC. I am exploring the available GPIOs and have observed that some are present in both ADC1 and ADC2.For example, according to the datasheet, PA4 can be used with ADC1/ADC2.Is there any difference betwee...

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AVazquez by Associate III
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  • 2 replies
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ES8388 codec cannot get mclk

Dear community,I need your help.I'm using a ES8388 Codec on a custom board with STM32MP157 MPU. ES8388 codec connected on i2c1 and sai2. In the codec driver, ES8388 is in salve mode and MPU is in master mode. mclk cannot be obtained.​​device tree:​k...

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ZLiu.3 by Associate II
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  • 13 replies
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STM32MP153 Can't wake up from CStandby

Hi there, I'm using a custom STM32MP153 board with OpenSTLinux distribution (5.15.24) on it, and  I have a problem with the Wake UP. I successfully set PWR gpio to wake up from low power modes. In fact, I can successfully wake from CSleep and CStop m...

SScar.2 by Senior
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  • 0 replies
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STM32MP1 userspace GPIO control

Hello everyone, I was attempting to migrate my existing raspberry pi application for GPIO control to the STM32MP157 but I encountered a roadblock. I was using gpiod to drive the pins from the userspace app but the following guide:https://wiki.stmicro...

LibGPIO Chip/Line mapping to physical CN8 pins

I have a stm32mp135F-DK and I am attempting to do some GPIO control.  My question is where can I find the mapping of libgpiod chip/line mapping to physical pin.  I am particularly interested in the mapping to the CN8 pins as I will be wanting to read...

Enable ethernet clock on both A7 and M4

Dears,I'm using STM32MP151 and have a uncertain quesion.In my cases, Both A7 and M4 need to access the register ETH_MACSTSR and ETH_MACSTNR to get time stamp.It's required to enable the ethernet clock on both side before accessing these registers, i....

Use rotary encoder on stm32mp157

 I'm doing a project, that I need a rotary encoder working on cortex-a7 core of stm32mp157.I met problem, my rotary encoder can not work. This is what I have done:1. In kernel menuconfig I have config: use rotary encoder as a build-in module;2. Write...

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Jason007 by Associate
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Resolved! CMD Line Disable on STM32MP131

I am using the SDMMC1 interface without an SD card, utilizing only the data lines. Therefore, the CMD line is not needed, and I have deactivated the CMD pin. However, the HAL_SDMMC library sends CMD data and expects a response from the SD card, causi...

Stnoobs by Associate II
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  • 3 replies
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Resolved! Video streaming over network

Hi all,Our team was brainstorming around a feature which we want to provide in our product.However to achieve the same we would like to understand if we can perform the video capture via camera and stream the same over the network to some node. Or do...

NPal.2 by Senior
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  • 3 replies
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How to enable RGB Display LTDC in U-Boot

HelloI wrote the following code to activate the display.The code below is written in kernel/stm32mp157a*.dts and u-boot/stm32mp157a*.dts.panel_rgb: panel-rgb { compatible = "panel-dpi"; label = "lcd"; power-supply = <&vdd_panel>; status =...

DLee.15 by Associate II
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  • 1 replies
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