STM32 MCUs Embedded software

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USB DFU bootloader : start from source.

Hello,I am trying to restart a STM32L072 into DFU bootloader mode (using STM32 LoRa Discovery kit) .The bootloader is working and I can use it to flash my firmware using a jumper between BOOT0 and VCC.Now I would like to enter bootloader from source....

Slan by Associate II
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USB_CoreReset fails with a TIMEOUT error.

I am trying to run a USB HS example with external PHY on NUCLEO-F756ZG. As I count find example I have gone ahead and created code from scratch. I am using USB3300 external PHY. I have made the proper connection except for RST and +5V to the module b...

Jayesh2 by Associate II
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STM32F407 USB FS (Device Mode) not recognized. "Unknown USB Device (Device Descriptor Request Failed)" Error!

I've seen many topics similar to my problem and went through their solutions but they didn't work for me so I'm asking here with details related to my problem. I've made a PCB and implemented USB 2 FS on it using STM32F407 PHY in device mode. here is...

0693W00000NskvSQAR.png 0693W00000NskwkQAB.png
AA.20 by Associate II
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Resolved! In stm32h743, in SPI, enabling the EOT IRQ after the other IRQs are enabled makes the SPI ISR to be fired endlessly. Why?

In stm32h743, in SPI, I have a slave device with interrupts enabled. In particular, I'm enabling all the error interrupts (UDR, OVR, CRCERR, FRE, MODF), and the RXP, TXP and EOTIE interrupts, in that order.If I enable EOTIE the first of all of them, ...

DGast.1 by Associate III
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  • 4 replies
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Issues with Playing Audio on STM32G431RBT6

Hello ST Community, I am trying to play audio file on STM32G431RBT6, but I am not able to successfully play the audio. I shall be thankful if you can provide any suggestions/ feedback to help me debug the cause of noise in my output. Also I would lik...

LL UART Interrupt

Where can I find a complete compilation of the LL Api, especially what USART handling is concerned?I'm trying to implement (with FreeRTOS underlying) a ring buffer driven I/O system to read from and write to UARTs.Do I understand it right? There is o...

usb msc host or msc device dynamic selection.

I want to configure a USB device using STM32F746.I want to select the USBH MSC Host and Device as needed (without rebooting..).In CubeMX, only "Host Only" or "Device Only" can be selected.When selecting DualRole in CubeMX, a library is not created.I ...

SKIM.6 by Associate
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  • 3 replies
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Resolved! USB audio type I IEEE_FLOAT descriptor

Hi all,I am using a STM32H7 and I implemented a composite usb device (CDC + AUDIO recording) using IAD interface descriptor.I can successfully configure the audio interface as type I PCM (I tested both 16 and 32 bit), but if I try to configure the au...

AGhez by Associate III
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  • 17 replies
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