STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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Resolved! STM32F4 Another USB Host MSC problem.

Hello, by using a STM32F429I-DISC1 I'm trying to read/write to a thumb drive.When I open and load the provided example in fw packet, it works without problem but that example is an old one and not a CubeMX example so it makes things rough for me.I tr...

RÖztü.1 by Associate II
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Place const at specific flash location

Hi everyone,I am developing a custom bootloader and before flash the new application image, the bootloader must ensure that the image corresponds to the board, so I think a simple way to do it is to store a specific value (constant uint32_t) into a s...

manuislet by Associate II
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  • 4 replies
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STM32F446RE Nucleo - USB HOST HID

I followed your videos where the implementation of the USB HOST HID is explained. However, the development board I am using is different from the one shown in all the videos. So the VBUS control circuitry does not exist in the STM32F446RE nucleo docu...

AReal.1 by Associate
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  • 2 replies
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how to use dual simultaneous adc with DMA

So I Am trying to use the dual regular simultaneous mode with DMA transfer, I tried to use one ADC with the DMA transfer and It works fine but with 2 ADCs I use the function HAL_ADCEx_MultiModeStart_DMA() but the called back function is not actually ...

DEska.1 by Associate II
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  • 2 replies
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How MAC, FIFO and DMA descriptor is dealing with received frames from and UDP client using HAL libraries?

I have read the datasheet where this part of ethernet is explained. But I have not clear of all taking it to a practical case. Case: Client is sending constantly requests to the stm32f207 HAL based with Lwip stack and no RTOS udp server. Client reque...

genisuvi by Associate III
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  • 4 replies
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Resolved! How to use CMSIS to set a bit or register

Each time I call SET_BIT to set a bit the register value remains at 0. All registers are 0 even after writing, as though they are read-only. For example, the following does not set the bit:DMA2_Stream0->CR |= ((uint32_t)1);What am I missing?Thank you...

LMorr.3 by Senior II
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