Overview

lib_qspi_fast_read is a library for interfacing with a QSPI flash device on an XMOS device to perform quad read operations.

Capabilities

• Supports SCLK up to 133 MHz versus default lib_quadflash limit of 25 MHz

• Allows support for multiple flash parts, one per IO context

• Quad read 0xEB command only

• Provides startup and shutdown, enabling ports to be reused in some situations

• Supports raw reads and nibble swapped reads to support various flash storage layouts