SPI library implementation. More...

Data Structures
struct	M2MB_SPI_CFG_T

Macros
#define	NULL 0

Typedefs
typedef void(*	m2mb_spi_ind_callback) (INT32 fd, M2MB_SPI_IND_E spi_event, UINT16 resp_size, void resp_struct, void userdata)

Enumerations
enum	M2MB_SPI_IOCTL_REQUEST { M2MB_SPI_IOCTL_SET_CFG = 0, M2MB_SPI_IOCTL_GET_CFG, M2MB_SPI_IOCTL_SET_SHIFT_MODE, M2MB_SPI_IOCTL_GET_SHIFT_MODE, M2MB_SPI_IOCTL_SET_CS_POLARITY, M2MB_SPI_IOCTL_GET_CS_POLARITY, M2MB_SPI_IOCTL_SET_CS_MODE, M2MB_SPI_IOCTL_GET_CS_MODE, M2MB_SPI_IOCTL_SET_BYTE_ORDER, M2MB_SPI_IOCTL_GET_BYTE_ORDER, M2MB_SPI_IOCTL_SET_CALLBACK_FN, M2MB_SPI_IOCTL_GET_CALLBACK_FN, M2MB_SPI_IOCTL_SET_CALLBACK_CTXT, M2MB_SPI_IOCTL_GET_CALLBACK_CTXT, M2MB_SPI_IOCTL_SET_CLK_FREQ_HZ, M2MB_SPI_IOCTL_GET_CLK_FREQ_HZ, M2MB_SPI_IOCTL_SET_BITS_PER_WORD, M2MB_SPI_IOCTL_GET_BITS_PER_WORD, M2MB_SPI_IOCTL_SET_CS_CLK_DELAY_CYCLES, M2MB_SPI_IOCTL_GET_CS_CLK_DELAY_CYCLES, M2MB_SPI_IOCTL_SET_INTER_WORD_DELAY_CYCLES, M2MB_SPI_IOCTL_GET_INTER_WORD_DELAY_CYCLES, M2MB_SPI_IOCTL_SET_LOOPBACK_MODE, M2MB_SPI_IOCTL_GET_LOOPBACK_MODE, M2MB_SPI_IOCTL_GET_WEITE_COMPLETE, M2MB_SPI_IOCTL_NOF_REQ, M2MB_SPI_IOCTL_SET_CFG = 0, M2MB_SPI_IOCTL_GET_CFG, M2MB_SPI_IOCTL_SET_SHIFT_MODE, M2MB_SPI_IOCTL_GET_SHIFT_MODE, M2MB_SPI_IOCTL_SET_CS_POLARITY, M2MB_SPI_IOCTL_GET_CS_POLARITY, M2MB_SPI_IOCTL_SET_CS_MODE, M2MB_SPI_IOCTL_GET_CS_MODE, M2MB_SPI_IOCTL_SET_BYTE_ORDER, M2MB_SPI_IOCTL_GET_BYTE_ORDER, M2MB_SPI_IOCTL_SET_CALLBACK_FN, M2MB_SPI_IOCTL_GET_CALLBACK_FN, M2MB_SPI_IOCTL_SET_CALLBACK_CTXT, M2MB_SPI_IOCTL_GET_CALLBACK_CTXT, M2MB_SPI_IOCTL_SET_CLK_FREQ_HZ, M2MB_SPI_IOCTL_GET_CLK_FREQ_HZ, M2MB_SPI_IOCTL_SET_BITS_PER_WORD, M2MB_SPI_IOCTL_GET_BITS_PER_WORD, M2MB_SPI_IOCTL_SET_CS_CLK_DELAY_CYCLES, M2MB_SPI_IOCTL_GET_CS_CLK_DELAY_CYCLES, M2MB_SPI_IOCTL_SET_INTER_WORD_DELAY_CYCLES, M2MB_SPI_IOCTL_GET_INTER_WORD_DELAY_CYCLES, M2MB_SPI_IOCTL_SET_LOOPBACK_MODE, M2MB_SPI_IOCTL_GET_LOOPBACK_MODE, M2MB_SPI_IOCTL_NOF_REQ, M2MB_SPI_IOCTL_SET_CFG = 0, M2MB_SPI_IOCTL_GET_CFG, M2MB_SPI_IOCTL_SET_SHIFT_MODE, M2MB_SPI_IOCTL_GET_SHIFT_MODE, M2MB_SPI_IOCTL_SET_CS_POLARITY, M2MB_SPI_IOCTL_GET_CS_POLARITY, M2MB_SPI_IOCTL_SET_CS_MODE, M2MB_SPI_IOCTL_GET_CS_MODE, M2MB_SPI_IOCTL_SET_BYTE_ORDER, M2MB_SPI_IOCTL_GET_BYTE_ORDER, M2MB_SPI_IOCTL_SET_CALLBACK_FN, M2MB_SPI_IOCTL_GET_CALLBACK_FN, M2MB_SPI_IOCTL_SET_CALLBACK_CTXT, M2MB_SPI_IOCTL_GET_CALLBACK_CTXT, M2MB_SPI_IOCTL_SET_CLK_FREQ_HZ, M2MB_SPI_IOCTL_GET_CLK_FREQ_HZ, M2MB_SPI_IOCTL_SET_BITS_PER_WORD, M2MB_SPI_IOCTL_GET_BITS_PER_WORD, M2MB_SPI_IOCTL_SET_CS_CLK_DELAY_CYCLES, M2MB_SPI_IOCTL_GET_CS_CLK_DELAY_CYCLES, M2MB_SPI_IOCTL_SET_INTER_WORD_DELAY_CYCLES, M2MB_SPI_IOCTL_GET_INTER_WORD_DELAY_CYCLES, M2MB_SPI_IOCTL_SET_LOOPBACK_MODE, M2MB_SPI_IOCTL_GET_LOOPBACK_MODE, M2MB_SPI_IOCTL_NOF_REQ }

enum	M2MB_SPI_SHIFT_MODE_T { M2MB_SPI_MODE_0, M2MB_SPI_MODE_1, M2MB_SPI_MODE_2, M2MB_SPI_MODE_3, M2MB_SPI_MODE_INVALID = 0x7FFFFFFF, M2MB_SPI_MODE_0, M2MB_SPI_MODE_1, M2MB_SPI_MODE_2, M2MB_SPI_MODE_3, M2MB_SPI_MODE_INVALID = 0x7FFFFFFF, M2MB_SPI_MODE_0, M2MB_SPI_MODE_1, M2MB_SPI_MODE_2, M2MB_SPI_MODE_3, M2MB_SPI_MODE_INVALID = 0x7FFFFFFF }

enum	M2MB_SPI_CS_POLARITY_T { M2MB_SPI_CS_ACTIVE_LOW, M2MB_SPI_CS_ACTIVE_HIGH, M2MB_SPI_CS_ACTIVE_INVALID = 0x7FFFFFFF, M2MB_SPI_CS_ACTIVE_LOW, M2MB_SPI_CS_ACTIVE_HIGH, M2MB_SPI_CS_ACTIVE_INVALID = 0x7FFFFFFF, M2MB_SPI_CS_ACTIVE_LOW, M2MB_SPI_CS_ACTIVE_HIGH, M2MB_SPI_CS_ACTIVE_INVALID = 0x7FFFFFFF }

enum	M2MB_SPI_CS_MODE_T { M2MB_SPI_CS_DEASSERT, M2MB_SPI_CS_KEEP_ASSERTED, M2MB_SPI_CS_MODE_INVALID = 0x7FFFFFFF, M2MB_SPI_CS_DEASSERT, M2MB_SPI_CS_KEEP_ASSERTED, M2MB_SPI_CS_MODE_INVALID = 0x7FFFFFFF, M2MB_SPI_CS_DEASSERT, M2MB_SPI_CS_KEEP_ASSERTED, M2MB_SPI_CS_MODE_INVALID = 0x7FFFFFFF }

enum	M2MB_SPI_BYTE_ORDER_T { M2MB_SPI_NATIVE = 0, M2MB_SPI_LITTLE_ENDIAN = 0, M2MB_SPI_BIG_ENDIAN, M2MB_SPI_NATIVE = 0, M2MB_SPI_LITTLE_ENDIAN = 0, M2MB_SPI_BIG_ENDIAN, M2MB_SPI_BYTE_ORDER_INVALID = 0x7FFFFFFF, M2MB_SPI_NATIVE = 0, M2MB_SPI_LITTLE_ENDIAN = 0, M2MB_SPI_BIG_ENDIAN }

enum	M2MB_SPI_IND_E { M2MB_SPI_EV_RECV, M2MB_SPI_EV_SENT, M2MB_SPI_EV }

Functions
INT32	m2mb_spi_open (const CHAR *path, INT32 flags,...)

INT32	m2mb_spi_close (INT32 fd)

INT32	m2mb_spi_ioctl (INT32 fd, INT32 request,...)

SSIZE_T	m2mb_spi_read (INT32 fd, void *buf, SIZE_T nbyte)

SSIZE_T	m2mb_spi_write (INT32 fd, const void *buf, SIZE_T nbyte)

SSIZE_T	m2mb_spi_write_read (INT32 fd, const void bufWr, void bufRd, SIZE_T nbyte)

Detailed Description

SPI library implementation.

m2m/m2m_generic/common/m2mb_inc/m2mb_spi.h

The following functions are implemented: m2mb_spi_ioctl m2mb_spi_open m2mb_spi_read m2mb_spi_write m2mb_spi_close

Dependencies: m2m/m2m_generic/common/m2mb_inc/m2mb_types.h

Author: Morgan Deidda

Date: 16/10/2017

Definition in file m2mb_spi.h.

Macro Definition Documentation

◆ NULL

#define NULL 0

Definition at line 33 of file m2mb_spi.h.

Typedef Documentation

◆ m2mb_spi_ind_callback

typedef void( * m2mb_spi_ind_callback) (INT32 fd, M2MB_SPI_IND_E spi_event, UINT16 resp_size, void *resp_struct, void *userdata)

Definition at line 127 of file m2mb_spi.h.

Enumeration Type Documentation

◆ M2MB_SPI_BYTE_ORDER_T

enum M2MB_SPI_BYTE_ORDER_T

Enumerator
M2MB_SPI_NATIVE
M2MB_SPI_LITTLE_ENDIAN
M2MB_SPI_BIG_ENDIAN
M2MB_SPI_NATIVE	Native
M2MB_SPI_LITTLE_ENDIAN	Little Endian
M2MB_SPI_BIG_ENDIAN	Big Endian (network)
M2MB_SPI_BYTE_ORDER_INVALID
M2MB_SPI_NATIVE
M2MB_SPI_LITTLE_ENDIAN
M2MB_SPI_BIG_ENDIAN

Definition at line 114 of file m2mb_spi.h.

◆ M2MB_SPI_CS_MODE_T

enum M2MB_SPI_CS_MODE_T

Enumerator
M2MB_SPI_CS_DEASSERT
M2MB_SPI_CS_KEEP_ASSERTED
M2MB_SPI_CS_MODE_INVALID
M2MB_SPI_CS_DEASSERT	CS is deasserted after transferring data for N clock cycles
M2MB_SPI_CS_KEEP_ASSERTED	CS is asserted as long as the core is in the Run state
M2MB_SPI_CS_MODE_INVALID
M2MB_SPI_CS_DEASSERT
M2MB_SPI_CS_KEEP_ASSERTED
M2MB_SPI_CS_MODE_INVALID

Definition at line 105 of file m2mb_spi.h.

◆ M2MB_SPI_CS_POLARITY_T

enum M2MB_SPI_CS_POLARITY_T

Enumerator
M2MB_SPI_CS_ACTIVE_LOW
M2MB_SPI_CS_ACTIVE_HIGH
M2MB_SPI_CS_ACTIVE_INVALID
M2MB_SPI_CS_ACTIVE_LOW	During Idle state, the CS line is held low
M2MB_SPI_CS_ACTIVE_HIGH	During Idle state, the CS line is held high
M2MB_SPI_CS_ACTIVE_INVALID
M2MB_SPI_CS_ACTIVE_LOW
M2MB_SPI_CS_ACTIVE_HIGH
M2MB_SPI_CS_ACTIVE_INVALID

Definition at line 95 of file m2mb_spi.h.

◆ M2MB_SPI_IND_E

enum M2MB_SPI_IND_E

Enumerator
M2MB_SPI_EV_RECV
M2MB_SPI_EV_SENT
M2MB_SPI_EV

Definition at line 121 of file m2mb_spi.h.

◆ M2MB_SPI_IOCTL_REQUEST

enum M2MB_SPI_IOCTL_REQUEST

Enumerator
M2MB_SPI_IOCTL_SET_CFG
M2MB_SPI_IOCTL_GET_CFG
M2MB_SPI_IOCTL_SET_SHIFT_MODE
M2MB_SPI_IOCTL_GET_SHIFT_MODE
M2MB_SPI_IOCTL_SET_CS_POLARITY
M2MB_SPI_IOCTL_GET_CS_POLARITY
M2MB_SPI_IOCTL_SET_CS_MODE
M2MB_SPI_IOCTL_GET_CS_MODE
M2MB_SPI_IOCTL_SET_BYTE_ORDER
M2MB_SPI_IOCTL_GET_BYTE_ORDER
M2MB_SPI_IOCTL_SET_CALLBACK_FN
M2MB_SPI_IOCTL_GET_CALLBACK_FN
M2MB_SPI_IOCTL_SET_CALLBACK_CTXT
M2MB_SPI_IOCTL_GET_CALLBACK_CTXT
M2MB_SPI_IOCTL_SET_CLK_FREQ_HZ
M2MB_SPI_IOCTL_GET_CLK_FREQ_HZ
M2MB_SPI_IOCTL_SET_BITS_PER_WORD
M2MB_SPI_IOCTL_GET_BITS_PER_WORD
M2MB_SPI_IOCTL_SET_CS_CLK_DELAY_CYCLES
M2MB_SPI_IOCTL_GET_CS_CLK_DELAY_CYCLES
M2MB_SPI_IOCTL_SET_INTER_WORD_DELAY_CYCLES
M2MB_SPI_IOCTL_GET_INTER_WORD_DELAY_CYCLES
M2MB_SPI_IOCTL_SET_LOOPBACK_MODE
M2MB_SPI_IOCTL_GET_LOOPBACK_MODE
M2MB_SPI_IOCTL_GET_WEITE_COMPLETE
M2MB_SPI_IOCTL_NOF_REQ
M2MB_SPI_IOCTL_SET_CFG	set whole spi device configuration
M2MB_SPI_IOCTL_GET_CFG	get whole spi device configuration
M2MB_SPI_IOCTL_SET_SHIFT_MODE	set spi device shift mode
M2MB_SPI_IOCTL_GET_SHIFT_MODE	get spi device shift mode
M2MB_SPI_IOCTL_SET_CS_POLARITY	set spi device CS polarity
M2MB_SPI_IOCTL_GET_CS_POLARITY	get spi device CS polarity
M2MB_SPI_IOCTL_SET_CS_MODE	set spi device CS mode
M2MB_SPI_IOCTL_GET_CS_MODE	get spi device CS mode
M2MB_SPI_IOCTL_SET_BYTE_ORDER	set spi device endianness
M2MB_SPI_IOCTL_GET_BYTE_ORDER	get spi device endianness
M2MB_SPI_IOCTL_SET_CALLBACK_FN	set spi device callback function
M2MB_SPI_IOCTL_GET_CALLBACK_FN	get spi device callback function
M2MB_SPI_IOCTL_SET_CALLBACK_CTXT	set spi device callback context
M2MB_SPI_IOCTL_GET_CALLBACK_CTXT	get spi device callback context
M2MB_SPI_IOCTL_SET_CLK_FREQ_HZ	set spi device clock frequency in Hz
M2MB_SPI_IOCTL_GET_CLK_FREQ_HZ	get spi device clock frequency in Hz
M2MB_SPI_IOCTL_SET_BITS_PER_WORD	set spi device bits per word
M2MB_SPI_IOCTL_GET_BITS_PER_WORD	get spi device bits per word
M2MB_SPI_IOCTL_SET_CS_CLK_DELAY_CYCLES	set spi device cs_clk_delay_cycles
M2MB_SPI_IOCTL_GET_CS_CLK_DELAY_CYCLES	get spi device cs_clk_delay_cycles
M2MB_SPI_IOCTL_SET_INTER_WORD_DELAY_CYCLES	set spi device inter_word_delay_cycles
M2MB_SPI_IOCTL_GET_INTER_WORD_DELAY_CYCLES	get spi device inter_word_delay_cycles
M2MB_SPI_IOCTL_SET_LOOPBACK_MODE	set spi device loopback mode
M2MB_SPI_IOCTL_GET_LOOPBACK_MODE	get spi device loopback mode
M2MB_SPI_IOCTL_NOF_REQ	number of m2mb ioctl requests
M2MB_SPI_IOCTL_SET_CFG
M2MB_SPI_IOCTL_GET_CFG
M2MB_SPI_IOCTL_SET_SHIFT_MODE
M2MB_SPI_IOCTL_GET_SHIFT_MODE
M2MB_SPI_IOCTL_SET_CS_POLARITY
M2MB_SPI_IOCTL_GET_CS_POLARITY
M2MB_SPI_IOCTL_SET_CS_MODE
M2MB_SPI_IOCTL_GET_CS_MODE
M2MB_SPI_IOCTL_SET_BYTE_ORDER
M2MB_SPI_IOCTL_GET_BYTE_ORDER
M2MB_SPI_IOCTL_SET_CALLBACK_FN
M2MB_SPI_IOCTL_GET_CALLBACK_FN
M2MB_SPI_IOCTL_SET_CALLBACK_CTXT
M2MB_SPI_IOCTL_GET_CALLBACK_CTXT
M2MB_SPI_IOCTL_SET_CLK_FREQ_HZ
M2MB_SPI_IOCTL_GET_CLK_FREQ_HZ
M2MB_SPI_IOCTL_SET_BITS_PER_WORD
M2MB_SPI_IOCTL_GET_BITS_PER_WORD
M2MB_SPI_IOCTL_SET_CS_CLK_DELAY_CYCLES
M2MB_SPI_IOCTL_GET_CS_CLK_DELAY_CYCLES
M2MB_SPI_IOCTL_SET_INTER_WORD_DELAY_CYCLES
M2MB_SPI_IOCTL_GET_INTER_WORD_DELAY_CYCLES
M2MB_SPI_IOCTL_SET_LOOPBACK_MODE
M2MB_SPI_IOCTL_GET_LOOPBACK_MODE
M2MB_SPI_IOCTL_NOF_REQ

Definition at line 48 of file m2mb_spi.h.

◆ M2MB_SPI_SHIFT_MODE_T

enum M2MB_SPI_SHIFT_MODE_T

Enumerator
M2MB_SPI_MODE_0
M2MB_SPI_MODE_1
M2MB_SPI_MODE_2
M2MB_SPI_MODE_3
M2MB_SPI_MODE_INVALID
M2MB_SPI_MODE_0	CPOL = 0, CPHA = 0
M2MB_SPI_MODE_1	CPOL = 0, CPHA = 1
M2MB_SPI_MODE_2	CPOL = 1, CPHA = 0
M2MB_SPI_MODE_3	CPOL = 1, CPHA = 1
M2MB_SPI_MODE_INVALID
M2MB_SPI_MODE_0
M2MB_SPI_MODE_1
M2MB_SPI_MODE_2
M2MB_SPI_MODE_3
M2MB_SPI_MODE_INVALID

Definition at line 84 of file m2mb_spi.h.

Function Documentation

◆ m2mb_spi_close()

INT32 m2mb_spi_close ( INT32 fd )

◆ m2mb_spi_ioctl()

INT32 m2mb_spi_ioctl	(	INT32	fd,
		INT32	request,
			...
	)

◆ m2mb_spi_open()

INT32 m2mb_spi_open	(	const CHAR *	path,
		INT32	flags,
			...
	)

◆ m2mb_spi_read()

SSIZE_T m2mb_spi_read	(	INT32	fd,
		void *	buf,
		SIZE_T	nbyte
	)

◆ m2mb_spi_write()

SSIZE_T m2mb_spi_write	(	INT32	fd,
		const void *	buf,
		SIZE_T	nbyte
	)

◆ m2mb_spi_write_read()

SSIZE_T m2mb_spi_write_read	(	INT32	fd,
		const void *	bufWr,
		void *	bufRd,
		SIZE_T	nbyte
	)

Data Structures

Macros

Typedefs

Enumerations

Functions