STM32 MCUs Embedded software

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Fatfs f_mount and f_getfree

I am using NUCLEO H743ZI2 with Fatfs and FreeRTOS V2. The program is working now, but I have one issue on free size of SD card. After I use f_mount to mount my SD Card, In structure FATFS variables, last cluster and free cluster are not correct. If ...

Resolved! STM32L562 SD card HAL_SD_ERROR_DATA_CRC_FAIL

I'm trying to run FAT over SD MMC. But it does not work in SD initial stage... I'm using CubeMX.The simplest one code: status = HAL_SD_Init(&hsd1); if(status != HAL_OK) { debug_print_message("---SD card initialize failed!\n"); HAL_Del...

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SLesh.1 by Associate III
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Resolved! DFSDM with DMA doesn't give expected results

Hello,I am working on application that would use microphone array. Together with STM32H735IG board I decided to use STEVAL-MIC001V1 microphone array connected via DFSDM interface. I based my project on example available in CubeMX - DFSDM_AudioRecord ...

PZare.1 by Associate II
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STM32F103 USB cdc receiver is very slow

i am using stm32f103 for one project. Previously we were using UART interface to transfer data but now we want to use USB CDC interface for the same.i configured the usb in cdc mode and it is working also. I am facing one issue like data receiving is...

SS.Sagar by Associate III
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U-Boot Port for STM32H745 Dual Core

I am trying to port u-boot on STM32H745. In the mainstream u-boot ,could not find the port for H745. any body has attempted to port the u-boot on STM32H745 ?. Is there any procedure on how to port u-boot on STM32H7 devices ?Also is there any custom b...

YSN by Senior
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Speech input & output

Hi,I want to implement a speech IO using stm32f401 discovery board.In this case I am using the onboard digital microphone to acquire the PDM samples using spi2(I2S) interface. After that I am using the PDM filter to convert the PDM samples to PCM sam...