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QuadSPI data read as classic SPI

Question asked by juan luis ferrando on Feb 16, 2018

Hi all,

I am trying to use the QuadSPI of STM32H743 as a classic SPI but using four lines. The point is that quadspi uses several phases  (instrucction, direction, dummy, anternative, data) and I would like to skip all phases but data phase to receive the data. I have used hall fuctions to transmit data with just data phase and it is working well (skipping the rest of the phases). However, when I try to do the same in receive mode (just data phase, skipping the erest of the phases) the MCU gets stall and the program gets stack. Anybody knows if it is possible to skip all phases but data phase in indirect read mode? It would be like classic SPI reception but using 4 lines in paralle.

 

Many thanks!

Best regards,

Juan Luis

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