STM32 MCUs Embedded software

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FATFs with w25qxx problem

Hey,I have a problem with reading files larger than size of one sector of FATFs (4096 bytes).Reading seems to be done correctly until it reaches 4096th byte of file, then data is corrupted. The problem appears when one part of readen data is on one s...

KWier.2 by Associate II
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  • 7 replies
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STM32L552ZE-Q: SAI - I2S, problem on FS signal

Hi, I'm using SAI in I2S mode to play stereo wav file. Audio Data is sent to TAS5722l which is a Mono Audio amplifier. My problem is that the FS (Frame Synchronization) signal stays always at level High. This results in a stereo audio file being play...

Android app recognition device using USB CDC

hello.The product was developed using STM32L412RB / FREERTOS by two companies.There are apps from two companies using USB CDC.Their PID/VID is the same.Apps from two companies are installed on one phone.Phone is asking which app to use when my devic...

MKim.12 by Associate II
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  • 0 replies
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Using USB-PD and USB-CDC together

Hello, I'm working on STM32G0B1KET6N uc with custom board.When I'm using this tutorial: https://wiki.st.com/stm32mcu/wiki/STM32StepByStep:Getting_started_with_USB-Power_Delivery_Sink everything is working great, my device is acting as USB PD Sink. Bu...

Tarru by Associate II
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  • 2 replies
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Dual port ethernet switch interfacing in STM32H743

Hi Team,We are using STM32H743 microcontroller (as a server) interfaced with LAN9353/KSZ8863 with two ethernet ports, one port connected to PC (as 1st client) and another port connected to embedded board(as 2nd client). Till now we are able to check ...

PNaph.2 by Associate II
  • 1824 Views
  • 2 replies
  • 1 kudos

Problem with SMBus communication

Hi, I've been trying for a few days to communicate with a device by SMBus.The device is an Microchip USB2422 and for test I use board DISC1 with STM32F429 on i2c3 port.The problem is that when I try to communicate with it to oscilloscope I see only a...

SDall.11 by Associate III
  • 501 Views
  • 0 replies
  • 0 kudos