Resolved! Hi, I have an stmf769 disco board with quad spi working fine, but I've had to change my setup for a custom board with the same processor.
On the the disco board it is set up as follows:- /**QUADSPI GPIO Configuration PE2 ------> QUADSPI_BK1_IO2 PB6 ------> QUADSPI_BK1_NCS PC10 ------> QUADSPI_BK1_IO1 PC9 ------> QUADSPI_BK1_IO0 PB2 ------> QUADSPI_CLK PD13 ------> QU...