Serial Peripheral Interface framework

Namespaces
namespace	SPI
	Generic Serial Peripheral Interface definitions.

Classes
struct	ArchAVR_SPIConfig
	Configuration structure for ArchAVR_SPI. More...
class	ArchAVR_SPI
	Implementation of a SPI interface for AVR series Features: More...
struct	ArchXT_SPIConfig
	Configuration structure for ArchXT_SPI. More...
class	ArchXT_SPI
	Implementation of a Serial Peripheral Interface controller for the XT core series. More...

Controller requests definition for SPI
#define	AVR_CTLREQ_SPI_TRANSFER   (AVR_CTLREQ_BASE + 1)

Detailed Description

Macro Definition Documentation

AVR_CTLREQ_SPI_TRANSFER

#define AVR_CTLREQ_SPI_TRANSFER   (AVR_CTLREQ_BASE + 1)

Request to transfer a byte. A byte is directly dropped into the RX buffer and a byte popped from the TX buffer of the SPI interface with bypassing the actual line bit shifting. This is meant for debugging purposes.

• In argument, data is a 8-bits frame to be pushed to the RX buffer.
• data is returned set to a 8-bits frame popped from the TX buffer.