#include <stdint.h>
#include <stddef.h>

Include dependency graph for lws-spi.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	lws_spi_desc
struct	lws_spi_ops

Typedefs
typedef int(*	lws_spi_cb_t) (void *opaque)
typedef struct lws_spi_desc	lws_spi_desc_t
typedef struct lws_spi_ops	lws_spi_ops_t

Enumerations

enum {
LWSSPIMODE_CPOL = (1 << 0) , LWSSPIMODE_CPHA = (1 << 1) , LWS_SPI_BUSMODE_CLK_IDLE_LOW_SAMP_RISING = 0 , LWS_SPI_BUSMODE_CLK_IDLE_HIGH_SAMP_RISING = LWSSPIMODE_CPOL ,
LWS_SPI_BUSMODE_CLK_IDLE_LOW_SAMP_FALLING = LWSSPIMODE_CPHA , LWS_SPI_BUSMODE_CLK_IDLE_HIGH_SAMP_FALLING , LWS_SPI_TXN_HALF_DUPLEX_DISCRETE = 0 , LWS_SPI_FLAG_DATA_CONTINUE = (1 << 0) ,
LWS_SPI_FLAG_DC_CMD_IS_HIGH = (1 << 1) , LWS_SPI_FLAG_DMA_BOUNCE_NOT_NEEDED = (1 << 2)
}

Functions
LWS_VISIBLE LWS_EXTERN int	lws_spi_table_issue (const lws_spi_ops_t spi_ops, uint32_t flags, const uint8_t p, size_t len)
LWS_VISIBLE LWS_EXTERN int	lws_spi_readback (const lws_spi_ops_t spi_ops, uint32_t flags, const uint8_t p, size_t len, uint8_t *rb, size_t rb_len)

Data Structure Documentation

◆ lws_spi_desc

struct lws_spi_desc

Definition at line 61 of file lws-spi.h.

Collaboration diagram for lws_spi_desc:

Data Fields
const uint8_t *	src
const uint8_t *	data
uint8_t *	dest
void *	opaque
lws_spi_cb_t	completion_cb
uint16_t	count_cmd
uint16_t	count_write
uint16_t	count_read
uint8_t	txn_type
uint8_t	channel
uint8_t	flags

Typedef Documentation

◆ lws_spi_cb_t

typedef int(* lws_spi_cb_t) (void *opaque)

Definition at line 37 of file lws-spi.h.

◆ lws_spi_desc_t

typedef struct lws_spi_desc lws_spi_desc_t

◆ lws_spi_ops_t

typedef struct lws_spi_ops lws_spi_ops_t

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Enumerator
LWSSPIMODE_CPOL
LWSSPIMODE_CPHA
LWS_SPI_BUSMODE_CLK_IDLE_LOW_SAMP_RISING
LWS_SPI_BUSMODE_CLK_IDLE_HIGH_SAMP_RISING
LWS_SPI_BUSMODE_CLK_IDLE_LOW_SAMP_FALLING
LWS_SPI_BUSMODE_CLK_IDLE_HIGH_SAMP_FALLING
LWS_SPI_TXN_HALF_DUPLEX_DISCRETE	separate MISO and MOSI, but only either MISO or MOSI has data at one time... i2c style in SPI
LWS_SPI_FLAG_DATA_CONTINUE	leave without finalizing the SPI transaction
LWS_SPI_FLAG_DC_CMD_IS_HIGH	It's normally 0 for cmd phase, invert with this flag
LWS_SPI_FLAG_DMA_BOUNCE_NOT_NEEDED	It's normally 0 for cmd phase, invert with this flag

Definition at line 39 of file lws-spi.h.

     {
        LWSSPIMODE_CPOL                                 = (1 << 0),
        LWSSPIMODE_CPHA                                 = (1 << 1),
 
        LWS_SPI_BUSMODE_CLK_IDLE_LOW_SAMP_RISING        = 0,
        LWS_SPI_BUSMODE_CLK_IDLE_HIGH_SAMP_RISING       = LWSSPIMODE_CPOL,
        LWS_SPI_BUSMODE_CLK_IDLE_LOW_SAMP_FALLING       = LWSSPIMODE_CPHA,
        LWS_SPI_BUSMODE_CLK_IDLE_HIGH_SAMP_FALLING      = LWSSPIMODE_CPHA |
                                                          LWSSPIMODE_CPOL,
 
        LWS_SPI_TXN_HALF_DUPLEX_DISCRETE        = 0,
 
        LWS_SPI_FLAG_DATA_CONTINUE                      = (1 << 0),
        LWS_SPI_FLAG_DC_CMD_IS_HIGH                     = (1 << 1),
        LWS_SPI_FLAG_DMA_BOUNCE_NOT_NEEDED              = (1 << 2),
};

Function Documentation

◆ lws_spi_table_issue()

LWS_VISIBLE LWS_EXTERN int lws_spi_table_issue	(	const lws_spi_ops_t *	spi_ops,
		uint32_t	flags,
		const uint8_t *	p,
		size_t	len )

References LWS_EXTERN, and LWS_VISIBLE.

◆ lws_spi_readback()

LWS_VISIBLE LWS_EXTERN int lws_spi_readback	(	const lws_spi_ops_t *	spi_ops,
		uint32_t	flags,
		const uint8_t *	p,
		size_t	len,
		uint8_t *	rb,
		size_t	rb_len )

Data Structures

Typedefs