_NUTSPIBUS Struct Reference

SPI bus structure. More...

#include <spibus.h>

Collaboration diagram for _NUTSPIBUS:

Data Fields
HANDLE	bus_mutex
	Bus lock queue.
HANDLE	bus_ready
	Bus wait ready queue.
uintptr_t	bus_base
	Bus base address.
IRQ_HANDLER *	bus_sig
	Bus interrupt handler.
int(*	bus_initnode )(NUTSPINODE *)
	Initialize bus controller.
int(*	bus_alloc )(NUTSPINODE *, uint32_t)
	Allocate the bus.
int(*	bus_release )(NUTSPINODE *)
	Release the bus.
int(*	bus_transfer )(NUTSPINODE *, const void *, void *, int)
	Transfer data.
int(*	bus_wait )(NUTSPINODE *, uint32_t)
	Wait for transfer ready.
uint_fast16_t(*	bus_set_mode )(NUTSPINODE *, uint_fast16_t)
	Set node's SPI mode.
uint_fast32_t(*	bus_set_rate )(NUTSPINODE *, uint_fast32_t)
	Set node's clock rate.
uint_fast8_t(*	bus_set_bits )(NUTSPINODE *, uint_fast8_t)
	Set node's data bit size.

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Detailed Description

SPI bus structure.

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Field Documentation

HANDLE _NUTSPIBUS::bus_mutex

Bus lock queue.

Referenced by At91SpiBus0Deselect(), At91SpiBus0Select(), Avr32SpiBus0Deselect(), Avr32SpiBus0Select(), Avr32SpiBus1Deselect(), Avr32SpiBus1Select(), AvrSpiBus0Deselect(), AvrSpiBus0Select(), GpioSpiBus0Deselect(), GpioSpiBus0Select(), NplSpiBusDeselect(), NplSpiBusSelect(), NutRegisterSpiDevice(), Stm32Usart3BusDeselect(), Stm32Usart3BusSelect(), UFlashAttach(), and UFlashFormat().

HANDLE _NUTSPIBUS::bus_ready

Bus wait ready queue.

Referenced by At91SpiBus0Transfer(), At91SpiBusNodeInit(), Avr32SpiBus0Transfer(), Avr32SpiBus1Transfer(), Avr32SpiBusNodeInit(), and Avr32SpiBusWait().

uintptr_t _NUTSPIBUS::bus_base

Bus base address.

Referenced by At91SpiBus0Transfer(), At91SpiBusNodeInit(), At91SpiSetup(), Avr32SpiBus0Transfer(), Avr32SpiBus1Transfer(), Avr32SpiBusNodeInit(), Avr32SpiBusWait(), Avr32SpiSetup(), Stm32Usart3BusSelect(), Stm32UsartBusTransfer(), and Stm32UsartSpiSetup().

IRQ_HANDLER* _NUTSPIBUS::bus_sig

Bus interrupt handler.

Referenced by At91SpiBusNodeInit(), Avr32SpiBusNodeInit(), and AvrSpiBus0NodeInit().

int(* _NUTSPIBUS::bus_initnode)(NUTSPINODE *)

Initialize bus controller.

This routine is called during device registration.

Referenced by NutRegisterSpiDevice(), UFlashAttach(), and UFlashFormat().

int(* _NUTSPIBUS::bus_alloc)(NUTSPINODE *, uint32_t)

Allocate the bus.

Locks the bus and activates the chip select.

Referenced by At45dNodeStatus(), and At45dNodeTransfer().

int(* _NUTSPIBUS::bus_release)(NUTSPINODE *)

Release the bus.

Deactivates the chip select and unlocks the bus.

Referenced by At45dNodeStatus(), At45dNodeTransfer(), SpiMmcBlockWrite(), and SpiMmcIOCtl().

int(* _NUTSPIBUS::bus_transfer)(NUTSPINODE *, const void *, void *, int)

Transfer data.

Referenced by At45dNodeStatus(), At45dNodeTransfer(), SpiMmcBlockWrite(), and SpiMmcIOCtl().

int(* _NUTSPIBUS::bus_wait)(NUTSPINODE *, uint32_t)

Wait for transfer ready.

Referenced by At45dNodeStatus().

uint_fast16_t(* _NUTSPIBUS::bus_set_mode)(NUTSPINODE *, uint_fast16_t)

Set node's SPI mode.

uint_fast32_t(* _NUTSPIBUS::bus_set_rate)(NUTSPINODE *, uint_fast32_t)

Set node's clock rate.

uint_fast8_t(* _NUTSPIBUS::bus_set_bits)(NUTSPINODE *, uint_fast8_t)

Set node's data bit size.

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The documentation for this struct was generated from the following file:

• include/dev/spibus.h