STM32 MCUs Embedded software

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Configuring SAI to record mono on FS/LR low

I don't think that what I am asking is possible with the STM32476 that we are using, but it would be nice to have confirmation. We currently have a stereo setup that uses two I2S microphones hooked up to SAI1. Everything works great, but sometimes we...

jw56 by Associate III
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Hello ST Experts! While using fatfs and mass storage device. Things that I write to mass storage device seen after unplug and plug the device. Can you help me? Thank you for your time and consideration.

Firstly I use internal sram of stm32f7 discovery and now its seen like a mass storage device. After that I try to write to that device. I can write and read properly but when I try to look at the device from my pc its seen empty but when I unplug and...

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Resolved! [BUG] about PLL checking code in STM32F4xx

I use STM32CubeF4 1.25.2. I found bug about PLL checking code. Please confirm the following. --- a/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c +++ b/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c @@ -542,9 +542,9 @@ __weak HAL_StatusTy...

ADP (USB Attachment Detection Protocol) on STM32L4

Hi All,Does anyone use the ADP feature in any STM MCUs? I'm trying to set it up on an STM32L496AG. The reference manual (47.15.19) says: "In order to read from the OTG_GADPCTL register, program AR=0b01 and keep polling till AR=0b00. The core updates ...

TNagy.1 by Associate
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STM32G474RETX UCPD Rx/Tx Problem

Hi,  Used UCPD module to transfer UVDM packets. After some time, the UCPD module is not transmitting and receiving the data. For reception we have enabled RXMSGENDIE , RXNEIE and RXHRSTDETIE interrupts. for transmission ,we have enabled TXISIE , TXMS...

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Alagesan by Associate II
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I am using STM32H7A3 board and integrated an SD card using SPI. I am trying to transfer a large file and found that in first card if the number of sector to read is coming as 64, read works upto sector 36.

After 36, it will give error and exited from code.I tried another card , the code will set the sector count to 16 and loops through it to make the read complete. As i am trying a large file, its taking so much time.I just want to know, is the se...

JJoy.1 by Associate III
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USB VCP with STM32H7 does not work correctly

Hello everyone, I have a Project with STM32H745(Nucleo-H745ZI-Q). in this project I need to send data periodically to PC over VCP. I have configured everything and it works fine. But when I connect the device to the USB on the front side of my PC, th...

NTaha.1 by Associate II
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