About Lubos KOUDELKA

Lubos KOUDELKA · 2021-07-08

Hello,when using Linux host for testing this example, CDC interface is not detected by the host. Reason is sensitivity on Configuration descriptor content generated by STM32CubeMX, propagated into ux_device_descriptors.c. For now you fix this file ma...

Lubos KOUDELKA · 2021-05-18

How to implement USB Communication Device Class (CDC)1. Communication of USB CDC in device mode For handling communication of USB CDC in device mode using legacy STM32 USB libraries are important 3 functions located in file usbd_cdc_if.c: CDC_Receiv...

Lubos KOUDELKA · 2021-05-18

How to Set USB CDC Line Coding?1. What is Line coding? Line coding is used to transfer parameters of UART interface, which is emulated using USB CDC - Virtual COM port. In STM32 legacy USB library is line coding handled in file usbd_cdc_if.c, functio...

Lubos KOUDELKA · 2024-07-15

I'm sorry for late reply.Please check also option bytes to ensure there is no memory protection active. For verification, could you please post content of your security option bytes?What is the content of FUS information window on your side? For ver...

Lubos KOUDELKA · 2024-06-26

Hello, Please check video guidance how to update FUS or stack. Up to date version of STM32CubeProgrammer is able to made even more steps for you. Please ensure, that no memory protection is active. When you're still facing issue, mass erase of the me...

Lubos KOUDELKA · 2024-06-18

Hi,thank you for details. Please check PWR examples for STM32WB55 nucleo board. There is also example PWR_STANDBY_RTC, which could directly fit your need. In this example RF wakeup clock is not set at all, because CPU2 is not used/started at all in t...

Lubos KOUDELKA · 2024-06-18

Hello,STM32WB Copro Wireless Binaries are position independent, it will work also when loaded on different address than suggested in release notes - option bytes of STM32WB are set by FUS to fit used stack address. You can test on your side different...

Lubos KOUDELKA · 2024-06-18

Hi,What are you trying to achieve in your application? Do you want to use RF as well while you're in LP mode? Have you checked STM32WB repository package for available examples, if some of those examples could fit for initial setting in your project?...

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USB composite device – HID + CDC ACM example on Linux

How to implement USB Communication Device Class (CDC)

How to Set USB CDC Line Coding?

Re: Error: FUS_STATE_IMG_NOT_FOUND

Re: Error: FUS_STATE_IMG_NOT_FOUND

Re: Stand-By mode when RFWakeupCLK is LSE

Re: What happens when the protocol stack is written to an incorrect address?

Re: Stand-By mode when RFWakeupCLK is LSE