OSPI

The OSPI driver is contained within its header ospi.h and its source ospi.c in Src. The driver allows for new code to easily read and write to an OSPI interface on the board. Note that the driver is used for Quad-SPI over the OSPI peripheral.

Types

enum OSpiPeriph: The OSPI interface to use. Only one OSPI peripheral can be used at one time, and only one device should use the bus.

enum OSpiSpeed

The desired speed of the OSPI interface in Hz. The possible options are:

OSPI_SPEED_INVALID

OSPI_SPEED_1MHz

OSPI_SPEED_5MHz

OSPI_SPEED_10MHz

OSPI_SPEED_20MHz

OSPI_SPEED_40MHz

OSPI_SPEED_80MHz

struct OSpiDevice

Configuration for communicating with a specific device on the bus.

OSpiPeriph periph: Peripheral which the device is connected to.

OSpiSpeed clk: The clock speed of the OSPI interface.

uint8_t sck: Pin number for the SCK wire (PIN_PXX).

uint8_t ncs: Pin number for the CS wire (PIN_PXX).

uint8_t io0: Pin number for the MOSI wire (PIN_PXX).

uint8_t io1: Pin number for the MISO wire (PIN_PXX).

uint8_t io2: Pin number for the IO2 wire (PIN_PXX).

uint8_t io3: Pin number for the IO3 wire (PIN_PXX).

uint8_t device_size: Describes the size of the device in bytes following the formula 2^(device_size+1).

OSPI

Types

Functions