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// Copyright 2012 Ettus Research LLC
#ifndef INCLUDED_WB_SPI_H
#define INCLUDED_WB_SPI_H
#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>
typedef enum {
WRITE, WRITE_READ
} wb_spi_rw_mode_t;
typedef enum {
RISING, FALLING
} wb_spi_edge_t;
typedef struct {
void* base;
uint32_t slave_sel;
uint32_t clk_div;
wb_spi_edge_t mosi_edge;
wb_spi_edge_t miso_edge;
bool lsb_first;
} wb_spi_slave_t;
/*!
* \brief Initialize SPI slave device
*/
void wb_spi_init(const wb_spi_slave_t* slave);
/*!
* \brief Perform a SPI transaction in auto chip-select mode.
*/
inline void wb_spi_transact(const wb_spi_slave_t* slave,
wb_spi_rw_mode_t rw_mode, const void* mosi_buf, void* miso_buf, uint32_t length);
/*!
* \brief Perform a SPI transaction in manual chip-select mode.
*/
inline void wb_spi_transact_man_ss(const wb_spi_slave_t* slave,
wb_spi_rw_mode_t rw_mode, const void* mosi_buf, void* miso_buf, uint32_t length);
/*!
* \brief Select SPI slave
*/
void wb_spi_slave_select(const wb_spi_slave_t* slave);
/*!
* \brief Deselect SPI slave
*/
void wb_spi_slave_deselect(const wb_spi_slave_t* slave);
#endif /* INCLUDED_WB_SPI_H */
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