STM32 MCUs Embedded software

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Resolved! Flash Erase does not work when DBANK = 0

In my own application , I noticed that Flash page erase stopped working once i cleared the DBANK flag in the option bits.While i start debug this, i see a irregularityIt looks there is a difference in datasheet and ST-Link , the datasheet says when D...

sde c.1 by Senior II
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  • 4 replies
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STM32H745 Ethernet Problem

Hii, This is the first time I'm working with a dual core H7. My Board is Discovery kit with STM32H745XI. l reserch very much but there is nothing about Ethernet on STM32H745. No example no asking questions. l cant find.l need to Tcp Connection on Eth...

aşahb.1 by Associate
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  • 2 replies
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Dynamic memory allocation in USBD_CDC_Init

MCU: stm32f427Firmware Version: F4_v1.25.2CubeMX Version: 6.0.1The generated code for USB Virtual Com Class dynamically allocates memory (calls malloc) in USBD_CDC_Init. However, this init function is called under a IRQ context, and I don't think doi...

Resolved! Logging a Variable Using USB Mass Storage Mode

Hi guys,On USB Host Mass storage mode, I am creating a text file using (f_open(&myFile, "TEST2.TXT", FA_WRITE | FA_CREATE_ALWAYS function.For writing text into the file, I use sprintf(rwtext, "Hello World"); function to write the...

AKh.1 by Associate II
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  • 1 replies
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Uart does not work.

Hi.​If you continue to receive packets while executing Uart for the first time, the operation stops.If there is some delay, it's okay, but if there isn't, it suddenly stops.However, if you update the STM32 directly, it will work again.It works even i...

LSang.11 by Associate II
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  • 0 replies
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