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STM32MP157C-DK2 Ethernet network is not working

We brought stm32Mp157C-DK2 board for our prototype testing. I can able to work on the A7 and M4 also ran examples. After 3 days of our work the Ethernet communication is not working. The LED's on the connector is not glowing. I check in Linux termi...

JSomi by Associate II
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UART4 RX Signal level

I use the UART4 like the following initialization.​void uart4_configuration(void) { GPIO_InitTypeDef GPIO_InitStructure; USART_InitTypeDef USART_InitStructure; /* enable usart clock */ RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART4, ENAB...

0690X00000DYODdQAP.jpg 0690X00000DYODiQAP.jpg
Kim.Andy by Associate III
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Resolved! STM32MP157 Display Interfacing and OS Organization

Hi,we're thinking about using the STM32MP157 in a product. However, there's still something unclear to us.We need to connect it to a display which only supports the 16-bit Intel 8080 bus (so LTDC cannot be used). I read that it's possible to emulate ...

Resolved! Linux Kernel build failure.

I’m getting a build error when attempting to build the linux kernel.ERROR:scripts/extract-cert.c:21:10: fatal error: openssl/bio.h: No such file or directory #include <openssl/bio.h>I have followed instructions from https://wiki.st.com/stm32mpu/wiki/...

JSpra by Associate III
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  • 3 replies
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LCD and USB support

Hi,I need an examples on LCD and USB driver without Linux pleaseThe en.stm32cubemp1_v1-1-0 do not have it, and the STM32CubeMX do not allow this mode.Thanks.Mohammad

MKara.6 by Associate
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  • 3 replies
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Resolved! DSI display comes up during U-Boot and displays ST Logo but turns off once Linux Kernel takes over on our custom DK2 board. Weston Wayland Compositor fails to start during boot and backlight setup fails too. Does Wayland compositor have GPIO dependencies?

Most of the DSI pin mapping is same as ST's DK2 board except DSI_RESET and DSI_TE. I updated the DSI_RESET pin mapping in the device tree to reflect actual connections. However, Weston Wayland compositor fails to start even when DSI display is not co...

EB.1 by Associate II
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  • 3 replies
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What is the function of PA13 (BOOTFAILN) on the STM32MP15x

I'm working on a design with the STM32MP153 and came across the additional function of PA13 as BOOTFAILN.I can guess what this means but I can't find any documentation on the subject. Don't know when or why this pin gets active. Or is it an input? In...

RZ by Associate II
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  • 1 replies
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Uboot DFU not working

We have build a device that looks like DK2 but we have a NAND memory instead of SD card and we work on an IO supply of 1.8V instead of 3.3V. We can load the fsbl and U-Boot with STM32cubeprogrammer, but U-Boot resets the usb and the STM32cubeprogramm...

JVerb.1 by Associate II
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  • 9 replies
  • 1 kudos