STM32 MCUs Embedded software

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STM32H7 and calloc failure

Hi,I am using a STMH743 running an LWIP example, added in mbedTLS to the mix.Eventually, got into a certificate parse issue,narrowing it down:I found that calloc failed: (890) x509_crt_parse_der_core: (899) x509_crt_parse_der_core: mbedtls_calloc(), ...

Bug in stm32f3xx_hal_i2c.c

CubeIDE version 1.4.1STM32Cube FW_F3 V1.11.0I had the problem, that my I2C communication (alternating rx/tx on slave) works on the first rx/tx cycle but fails on the second tx.The transmission skips the first byte and thus sending n-1 bytes. I found ...

fal.sch by Associate II
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Hello! I'm trying to program the STM32F401CC using a 'Black Pill' development board and my Ubuntu 20.04LTS computer (a NUC8i5BEH). The STM32CubeProgrammer does not recognize the board in DFU mode (and thus I cannot program it).

It does recognize the USB device (when connected through the USB-C). My Macbook recognizes the device in DFU mode, so I know that the board and port is working (I have successfully programmed the board with my Mac). Also, I managed to program the boa...

KJond.1 by Associate
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STM32H7 lwip web server

Hello, I need to implement a web server on STM32H7 using lwip. I have managed to implement it using online tutorials from youtube. However, I do not understand how it works. I need to modify the example from internet. Does anyone have any source that...

VYoun by Associate III
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FatFS and FreeRTOS error f_write().

Good day.I am having difficulty with FatFS while working with FreeRTOS.The problem is of the following nature. Mounting the distka goes well. There is no problem to create a file either. But when trying to write to a file, the f_write () function alw...

AKuzn by Associate
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