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Zephyr project on STM32

   Zephyr Workbench, a VSCode extension to manage Zephyr on STM32.
It enables users to easily create, develop, and debug Zephyr applications.
Main features:
  • Install host dependencies.
  • Import toolchain and SDK.
  • Create, configure, build and manage apps.
  • Debug STM32.
You can directly download it from the VSCode marketplace
For more details, visit the Zephyr Workbench

System Workbench for STM32

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problems about the FATFS and STM32F4

Posted by jobhunter on 2017-07-06 10:16

Hello,
Please help me analyze problems about the FATFS and STM32F4
I would like to realize the data which will record by TF, A frame of data which has 2048 bytes will be recorded every 20ms. The writing time of every frame of data can’t ever 20ms. Because of the data was found to be lose,I opened a timing counter to calculate time in the program. As a result, the biggest time arrived 200ms !! It’s so big ! Then I opened a relief area of 20 frames, but the data lost as normal.
The transmission mode of SDIO is DMA.
Didn’t the data write in ? How do you think about it?
The driving of SDIO is using atom.
The loss rate of data

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Posted by jobhunter on 2017-07-06 10:39

I would like to realize the data which will record by TF, A frame of data which has 2048 bytes will be recorded every 20ms. The writing time of every frame of data can’t ever 20ms. Because of the data was found to be lose,I opened a timing counter to calculate time in the program. As a result, the biggest time arrived 200ms !! It’s so big ! Then I opened a relief area of 20 frames, but the data lost as normal.
The transmission mode of SDIO is DMA.
Didn’t the data write in ? How do you think about it?
The driving of SDIO is using atom.
The loss rate of data

Link

 

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