STM32 MCUs Embedded software

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LWIP Free RTOS Problem

Hi. I have a problem while using lwip and freertos. The board is based on stm32h743vih. The mpu configuration is done correctly i think. My problem is after i start udp server and start to send data with udp, everything is ok, but after a while i wil...

Resolved! MQTT pbuf_free: p->ref > 0 error

I am working on an STM32f767 project with LWIP and MQTT. Everything seemed to work for a while but eventually, I received the following assert:  "pbuf_free: p->ref > 0..." which caused it to crash sometimes; but sometimes it will continue to work wit...

cleonb322 by Associate III
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How to know if my stm32f401re is woke up

Hello, I developped a card around the stm32f401re MCU, and i want to know which one of Pin(s) can show me that my MCU is woke up. It's the first time I use a STM32F401 I never communicated with my MCU, it's for this that I want to know this. Thank yo...

yassir by Associate III
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Resolved! error when compiling with makefile

Hi everyone,I am developing a new project with SMT32H7 MCU series, in which I have added the ITTIA DB middleware.I’m encountering an issue while trying to compile my project using a Makefile. The Makefile was auto-generated, and the error I get durin...

LTDC Display Type Restriction

I am using the STM32H743VIT and trying to integrate using LTDC. The Display Type options in CUBEMX only allow 16 or 18 bit RGB. I know there is no LTDC_R0, so I assume that is why there is not option for 24 bit RGB; however, we were just planning on ...