Usage together TouchGFX and FatFS
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‎2020-10-06 12:20 AM
Hi everyone,
I am trying to use fatfs with touchgfx in my project. I can mount SD card with fatfs. But I get an error that "FR_NO_FILESYSTEM" from fatfs stack when try to open a file.
I installed and ran fatfs with cubeMX then copied to my touchgfx project. This installed project needs to use DMA for fatfs. But when I want to copied this project to my own project, I realise that TouchGFX board configurations used DMA to. So, I think touchgfx disrupt fatfs.
I using STM32F767BG microcontroller and TouchGFX v4.13.0 for this project. I sure my SD card hardware is working. I used it when I open a new project without TouchGFX.
What am I supposed to do for fix that.
Thank you in advance, be healthy.
- Labels:
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FatFS
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SDIO-SDMMC
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TouchGFX
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‎2021-05-06 03:30 AM
I've got same problem. Doesn't work with SD card and FS and HS USB flash drives. STM32F746-Discovery
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‎2021-05-07 04:42 AM
Hi,
​
Could you share your project if not confidential ? (can't promise to fix it :grinning_face_with_sweat: but other people will be able to have a look).
​
/Romain
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‎2021-05-18 01:57 PM
it's not a secret. But project is very simple. You can try to make simple project with touchGFX and USB HS. When i try to open any file or folder - always get error "FR_DISK_ERR". With USB FS i can create work project. But with USB HS and SD card - no.