STM32 MCUs Embedded software

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USB HOST library is not thread safe

USB HOST library is not thread safe (RTOS mode). Documentation UM1720 does not warn about it. It even gives false belief it is safe.5.3 Using the host library in RTOS mode[...]When the RTOS mode is used the host core background process runs as a sepa...

BDurs by Associate II
  • 1735 Views
  • 6 replies
  • 2 kudos

How to change boot address on STM32L452

Hello,I wrote a program that exchanges the existing bootloader with an attached one.While this process works, it can be dangerous during the exchange due to power cut-off.So I would like to implement some safety measures in the code.Before deleting t...

she-peek by Associate II
  • 2110 Views
  • 5 replies
  • 0 kudos

Stereo PDM microphones(2 mics) data acquisition using PDM2PCM middleware, i want to find code example for such situation.

Hello, i would like to know how to use your PDM2PCM middleware for 2 microphones processing data, if you have some examples for it - it would be perfect.I was able to get the good sound for mono(with 1 mic) when i get the board for stereo sound, i ca...

AMukh.3 by Associate II
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  • 3 replies
  • 0 kudos

Rarely, USB does not work properly, and in parallel with USB malfunction, there are problems with data integration on the USART1 channel.

The above problems occur only with SOF packages with voltage distortion on USB lines: see oscillations on "USB signal with SOF" vs "USB signal with no SOF" when there is no oscillation and no problems indicated.USBOscillations occur on SOF packages, ...

BNowa.1 by Associate
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  • 0 replies
  • 0 kudos