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USB audio class 2.0 device enumeration fails

Hello! I am working on designing USB audio class 2.0 device, based on stm32f722 with high speed USB external PHY USB3300. In USB audio class 1 mode the device works fine, but in UAC 2.0 mode device enumeration fails. Device descriptor and USB analyze...

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Application with ST self tests added throws Hard fault exception when Code optimization level is set to Medium/High(Balanced) in IAR workbench for ARM v8.22.3. Same application works for Medium/High(Balanced) optimization without ST self tests.

We are using STM32F405RG controller for our project and using ST self tests library for RAM, Flash and clock test. Currently we are trying to use code optimization option from IAR workbench functional safety version 8.22.3 and optimize code at medium...

HJosh.1 by Associate
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USB Audio Class losing 50% of my data

Hi, I am trying to get a robust isochronous transfer of audio from my STM32F072CB using the audio device class. My code is based on the code generated by STM32CubeMX for a speaker but I have changed the descriptor in order to make it an audio input. ...

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STM32F769 IsoINIncomplete callback gets called multiple times in a row but OTG_DAINT register has the value 0x00000000. What can be the reason?

Hi, I am working with the STM32F769i-disco board and develop an usb audio 2.0 device (a microphone array). When I start a recording application on the host pc, the IsoINIncomplete callback gets called multiple times in a row but the OTG_DAINT registe...

MGuen.1 by Associate
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NUCLEO-L552ZE-Q PD Issue

I've a problem to setup the NUCLEO-L552ZE-Q as PD Sink.The debugger always disconnect at the following line (void HardFault_Handler(void)):CHECK_CAD_FUNCTION_CALL(USBPD_CAD_Init(USBPD_PORT_0, (USBPD_CAD_Callbacks *)&CAD_cbs, (USBPD_SettingsTypeDef *)...

TG..1 by Associate II
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Resolved! X-CUBE-USB-PD examples compiles errors.

When I am trying to compile project Consumer_DRP_RTOS from C:\xx\X-CUBE-USB-PD-master\STM32CubeExpansion_USBPD_F0\Projects\STM32F072RB-Nucleo\Applications\USB_PDI get a lot of errors. I managed to eliminate some of them by adding header files to the ...

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Eremizin by Associate II
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