STM32 MCUs Embedded software

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USBx CDC ACM Descriptor Error in STM32F4

Following the example in STMCubeMx Azure USBx CDC ACM. it seems that I'm having trouble when the PC does not recognize the USB device slave giving me this error the there is no error in the app_usbx_device.c initialization, in terms of memory allocat...

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Rhyzack by Associate II
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Resolved! X-CUBE-CLASSB compiler fail on IAR 9.2.0.4

Hi All,Currently I try to compiler(clean and build)  X-CUBE-CLASSB project for MCU self test function. I got error as below Does anyone know what wrong or missing setting something? I had try compiler in two project , all get error.IDE: IAR 9.20.4WI...

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stsan.1 by Associate II
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Wouldn't disabling the flash readout protection erase the custom boot loader that might be stored in the main flash memory?

I'm planning to write a custom boot loader for some reasons. For this the main flash memory will be partitioned into two sectors; the first one holding the custom boot loader and the 2nd one storing the user application. My biggest concern is the rea...

Shivam by Associate II
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  • 8 replies
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Cortex-M3 NVIC config with FreeRTOS

I'm working on a legacy projected using FreeRTOS v7.3.0 on an STM32F205 Cortex-M3.My system intermittently lands in the hard fault exception handler, and/or watchdog resets.I have tracked down some issues with the NVIC config:Using NVIC_PriorityGroup...

RLepa.1 by Associate
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  • 1 replies
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How to resolve the error "libusb_open() failed with LIBUSB_ERROR_NOT_SUPPORTED" when connecting to openOCD from command line?

I am trying to debug my STM32 NUCLEO-F334R8 board. When I try to connect to the board via openocd from the command line . I get the following log: openocd -f board/st_nucleo_f3.cfgGNU MCU Eclipse 64-bits Open On-Chip Debugger 0.10.0+dev-00254-g2ec04e...

ABora.2 by Associate
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