raspberrypi-spi.h File Reference

Raspberry Pi specific SPI definitions. More...

#include <bsp/utility.h>
#include <bsp/rpi-gpio.h>

Go to the source code of this file.

Data Structures
struct	raspberrypi_spi

Macros
#define	RPI_SPICS_LEN_LONG   BSP_BIT32(25)
#define	RPI_SPICS_DMA_LEN   BSP_BIT32(24)
#define	RPI_SPICS_CSPOL2   BSP_BIT32(23)
#define	RPI_SPICS_CSPOL1   BSP_BIT32(22)
#define	RPI_SPICS_CSPOL0   BSP_BIT32(21)
#define	RPI_SPICS_RXF   BSP_BIT32(20)
#define	RPI_SPICS_RXR   BSP_BIT32(19)
#define	RPI_SPICS_TXD   BSP_BIT32(18)
#define	RPI_SPICS_RXD   BSP_BIT32(17)
#define	RPI_SPICS_DONE   BSP_BIT32(16)
#define	RPI_SPICS_LEN   BSP_BIT32(13)
#define	RPI_SPICS_REN   BSP_BIT32(12)
#define	RPI_SPICS_ADCS   BSP_BIT32(11)
#define	RPI_SPICS_INTR   BSP_BIT32(10)
#define	RPI_SPICS_INTD   BSP_BIT32(9)
#define	RPI_SPICS_DMAEN   BSP_BIT32(8)
#define	RPI_SPICS_TA   BSP_BIT32(7)
#define	RPI_SPICS_CSPOL   BSP_BIT32(6)
#define	RPI_SPICS_CLEAR_TX   BSP_BIT32(5)
#define	RPI_SPICS_CLEAR_RX   BSP_BIT32(4)
#define	RPI_SPICS_CPOL   BSP_BIT32(3)
#define	RPI_SPICS_CPHA   BSP_BIT32(2)
#define	RPI_SPICS_CS(val)
#define	RPI_SPICS_CS_SET(reg, val)
#define	RPI_SPIFIFO_DATA(val)
#define	RPI_SPIFIFO_DATA_GET(reg)
#define	RPI_SPIFIFO_DATA_SET(reg, val)
#define	RPI_SPICLK_CDIV(val)
#define	RPI_SPICLK_CDIV_GET(reg)
#define	RPI_SPICLK_CDIV_SET(reg, val)
#define	RPI_SPIDLEN_LEN(val)
#define	RPI_SPIDLEN_LEN_GET(reg)
#define	RPI_SPIDLEN_LEN_SET(reg, val)
#define	RPI_SPILTOH_TOH(val)
#define	RPI_SPILTOH_TOH_GET(reg)
#define	RPI_SPILTOH_TOH_SET(reg, val)
#define	RPI_SPIDC_RPANIC(val)
#define	RPI_SPIDC_RPANIC_GET(reg)
#define	RPI_SPIDC_RPANIC_SET(reg, val)
#define	RPI_SPIDC_RDREQ(val)
#define	RPI_SPIDC_RDREQ_GET(reg)
#define	RPI_SPIDC_RDREQ_SET(reg, val)
#define	RPI_SPIDC_TPANIC(val)
#define	RPI_SPIDC_TPANIC_GET(reg)
#define	RPI_SPIDC_TPANIC_SET(reg, val)
#define	RPI_SPIDC_TDREQ(val)
#define	RPI_SPIDC_TDREQ_GET(reg)
#define	RPI_SPIDC_TDREQ_SET(reg, val)

Enumerations
enum	raspberrypi_spi_device {   raspberrypi_SPI0 , raspberrypi_SPI3 , raspberrypi_SPI4 , raspberrypi_SPI5 ,   raspberrypi_SPI6 }

Functions
rtems_status_code	raspberrypi_spi_init (raspberrypi_spi_device device)
	Register a spi device.

Detailed Description

Raspberry Pi specific SPI definitions.

Macro Definition Documentation

RPI_SPICLK_CDIV

#define RPI_SPICLK_CDIV

(

val

)

Value:

BSP_FLD32(val, 0, 15)

RPI_SPICLK_CDIV_GET

#define RPI_SPICLK_CDIV_GET

(

reg

)

Value:

BSP_FLD32GET(reg, 0, 15)

RPI_SPICLK_CDIV_SET

#define RPI_SPICLK_CDIV_SET	(		reg,
			val )

Value:

BSP_FLD32SET(reg, val, 0, 15)

RPI_SPICS_CS

#define RPI_SPICS_CS

(

val

)

Value:

BSP_FLD32(val, 0, 1)

RPI_SPICS_CS_SET

#define RPI_SPICS_CS_SET	(		reg,
			val )

Value:

BSP_FLD32SET(reg, val, 0, 1)

RPI_SPIDC_RDREQ

#define RPI_SPIDC_RDREQ

(

val

)

Value:

BSP_FLD32(val, 16, 23)

RPI_SPIDC_RDREQ_GET

#define RPI_SPIDC_RDREQ_GET

(

reg

)

Value:

BSP_FLD32GET(reg, 16, 23)

RPI_SPIDC_RDREQ_SET

#define RPI_SPIDC_RDREQ_SET	(		reg,
			val )

Value:

BSP_FLD32SET(reg, val, 16, 23)

RPI_SPIDC_RPANIC

#define RPI_SPIDC_RPANIC

(

val

)

Value:

BSP_FLD32(val, 24, 31)

RPI_SPIDC_RPANIC_GET

#define RPI_SPIDC_RPANIC_GET

(

reg

)

Value:

BSP_FLD32GET(reg, 24, 31)

RPI_SPIDC_RPANIC_SET

#define RPI_SPIDC_RPANIC_SET	(		reg,
			val )

Value:

BSP_FLD32SET(reg, val, 24, 31)

RPI_SPIDC_TDREQ

#define RPI_SPIDC_TDREQ

(

val

)

Value:

BSP_FLD32(val, 0, 7)

RPI_SPIDC_TDREQ_GET

#define RPI_SPIDC_TDREQ_GET

(

reg

)

Value:

BSP_FLD32GET(reg, 0, 7)

RPI_SPIDC_TDREQ_SET

#define RPI_SPIDC_TDREQ_SET	(		reg,
			val )

Value:

BSP_FLD32SET(reg, val, 0, 7)

RPI_SPIDC_TPANIC

#define RPI_SPIDC_TPANIC

(

val

)

Value:

BSP_FLD32(val, 8, 15)

RPI_SPIDC_TPANIC_GET

#define RPI_SPIDC_TPANIC_GET

(

reg

)

Value:

BSP_FLD32GET(reg, 8, 15)

RPI_SPIDC_TPANIC_SET

#define RPI_SPIDC_TPANIC_SET	(		reg,
			val )

Value:

BSP_FLD32SET(reg, val, 8, 15)

RPI_SPIDLEN_LEN

#define RPI_SPIDLEN_LEN

(

val

)

Value:

BSP_FLD32(val, 0, 15)

RPI_SPIDLEN_LEN_GET

#define RPI_SPIDLEN_LEN_GET

(

reg

)

Value:

BSP_FLD32GET(reg, 0, 15)

RPI_SPIDLEN_LEN_SET

#define RPI_SPIDLEN_LEN_SET	(		reg,
			val )

Value:

BSP_FLD32SET(reg, val, 0, 15)

RPI_SPIFIFO_DATA

#define RPI_SPIFIFO_DATA

(

val

)

Value:

BSP_FLD32(val, 0, 31)

RPI_SPIFIFO_DATA_GET

#define RPI_SPIFIFO_DATA_GET

(

reg

)

Value:

BSP_FLD32GET(reg, 0, 31)

RPI_SPIFIFO_DATA_SET

#define RPI_SPIFIFO_DATA_SET	(		reg,
			val )

Value:

BSP_FLD32SET(reg, val, 0, 31)

RPI_SPILTOH_TOH

#define RPI_SPILTOH_TOH

(

val

)

Value:

BSP_FLD32(val, 0, 3)

RPI_SPILTOH_TOH_GET

#define RPI_SPILTOH_TOH_GET

(

reg

)

Value:

BSP_FLD32GET(reg, 0, 3)

RPI_SPILTOH_TOH_SET

#define RPI_SPILTOH_TOH_SET	(		reg,
			val )

Value:

BSP_FLD32SET(reg, val, 0, 3)

Function Documentation

raspberrypi_spi_init()

rtems_status_code raspberrypi_spi_init

(

raspberrypi_spi_device

device

)

Register a spi device.

Parameters

device

The optional devices are raspberrypi_SPI0, raspberrypi_SPI3, raspberrypi_SPI4, raspberrypi_SPI5, raspberrypi_SPI6.

Return values

RTEMS_SUCCESSFUL	Successfully registered SPI device.
RTEMS_INVALID_NUMBER	This status code indicates that a specified number was invalid.
RTEMS_UNSATISFIED	This status code indicates that the request was not satisfied.