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STMicroelectronics / STM32CubeF7

STM32Cube MCU Full Package for the STM32F7 series - (HAL + LL Drivers, CMSIS Core, CMSIS Device, MW libraries plus a set of Projects running on all boards provided by ST (Nucleo, Evaluation and Discovery Kits))
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QSPI locks up at STM32F746G-DISCO board #6

Closed desowin closed 4 years ago

desowin commented 4 years ago

Describe the set-up

Describe the bug When repeadetly calling BSP_QSPI_Read() the QSPI locks up with BUSY flag set. The only way to get out of the issue is to reset using BSP_QSPI_DeInit() followed by BSP_QSPI_Init().

The problem only happens when optimization level -O2 is active. It does not happen with -O1.

Additional context This bug is basically the same as https://github.com/ARMmbed/mbed-os/issues/10049. The fix https://github.com/ARMmbed/mbed-os/commit/5c872a4c0669f9d2ef70a9401bbaa469b9881f57 when applied on the HAL library, solves the issue completely.

ALABSTM commented 4 years ago

Hi Desowin,

This issue has been forwarded to our development teams. We will be back to you as soon as they provide us with feedback. Thank you for your contribution.

With regards,

ALABSTM commented 4 years ago

Hi Desowin,

Our development teams confirmed the issue. A fix has been implemented. It shall be available in the next STM32CubeF7 release (v1.16.0).

We cannot share a date for the moment. Hopefully, it should be soon enough. Thank you for your patience and thank you once more for your contribution.

With regards,

ALABSTM commented 4 years ago

ST Internal Reference: 64387

ALABSTM commented 4 years ago

Hi @desowin,

I hope you are doing well. This issue has been fixed and the fix is now available in the STM32CubeF7 v1.16.0 firmware package published some time ago. This issue can be closed now.

Thank you again for your contribution. Take care and stay safe.

With regards,