STM32 MCUs Embedded software

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

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FreeRTOS, queue byte alignment

For whatever reason, I'm getting byte alignment problems with queues. I have a 32 byte queue, and the last two bytes are now garbage (they weren't before). No system settings have been changed, and I'm using all the defaults. If I expand the size ...

Some questions about the arm_rfft_q15

I was trying to use arm_rfft_q15  .In the CMSIS documentation for arm_rfft_q15, it says the output format is Q7.9 and 6 bits should be upscaled when the input RFFT size is 128 . What is meant by this? Do I have to get the float values by dividing the...

LLily.1 by Associate II
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  • 1 replies
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stm32f407 transfer the same ADC data several times

I config ADC with DMA and TIM2. By TIM2 overflow starts ADC process for ADC1 ADC2 and ADC3 simultaneously. DMA collect ADC data and store to RAM. In debug i see that DMA for ADC1 transfer the same ADC data several times.For example:ADC1: 32, 32, 32, ...

TAndr.1 by Associate II
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  • 8 replies
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Micro USB problem (STM32F429)

Hi, I'm using an STM32F429 zi board. I'm saving data in the SDRAM and then I'm reading it and sending it to TeraTerm with the micro USB connection.But there is some problem with the micro USB connection because TeraTerm detect the board but it doesn'...

FSant.1 by Associate
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  • 0 replies
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IAP application with STM32CubeIDE/ STLink

Hi everyone,I'm following the LWIP_IAP application in STM32756G_EVAL 's Repository. The bootloader work fine, but I don't know how to config the application firmware to boot from a specify address flash.Is this the right way to config flash memory o...