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Uc.2361
Associate II
February 10, 2020
Question

STM32F7 + USB HS +Touchgfx +FreeRTOS

  • February 10, 2020
  • 5 replies
  • 1345 views

Hello ST Team,

I am working on USB HS HID Device only along with touchgfx +FreeRTOS in STM32F7 controller.

But creates reading & writing Issue when touchgfx is included.

I have even checked the clock but no use. 48Mhz is clock its proper.

Any help would be appreciated.

Thanks,

Upender.

This topic has been closed for replies.

5 replies

Martin KJELDSEN
Principal III
February 17, 2020

Can you share some more information on what "But creates reading & writing Issue" means?

Uc.2361
Uc.2361Author
Associate II
February 19, 2020

Hello Martin,

Thank you for the reply,

I have a project which is working properly i.e tx and rx from the USB to PC application.

Excluding the Touchgfx library.

But when integrating the working project with the touchgfx library then the USB doesnot work properly.

The Tx, Rx operation wont work.

I feel the USB and Touchgfx are conflicting.

Thanks,

Upender.

Martin KJELDSEN
Principal III
February 19, 2020

Are you able to do some debugging? Do you have some error registers you can check? Are you just not receiving interrupts? How does this error manifest itself? etc!

/Martin

Martin KJELDSEN
Principal III
February 19, 2020

The only thing TouchGFX relies on is a few interrupts (like from DMA2D, LTDC, DSI) if applicable and there may be something related to interrupt priorities.

/Martin

Uc.2361
Uc.2361Author
Associate II
February 19, 2020

When debugging the end character in the buffer is missing , the transmit or the receive operation is continuously in loop for that reason and it never ends.

I am getting continuously interrupts that's not an issue.

As you told interrupts, I have read somewhere in another thread the timer 1 is used by both touchgfx and USB , may be that is creating the issue.