Unable to get QSPI working on STM32F767ZI nucleo and MX25L51245G.

[GRang.1]

 Hello,

I am following all the steps mentioned in the QSPI MOOC (https://www.youtube.com/watch?v=XqCq0xtQmbI&t=155s) but the function HAL_QSPI_AutoPolling always gives a TIMEOUT.

I obtained the flash memory drivers from STM public storage ( https://github.com/vlcekji2/External-Loaders). I have soldered a PCB hat and connected the flash to the Nucleo. Please let me know if you have any idea why this is failing.

Can I replace HAL_QSPI_AutoPolling by an acceptable delay if I am okay with it?

Will this affect memory mapping and loading executable on to the external flash?

Thank you