File content as of revision 181:96ed750bd169:

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#ifndef MBED_SPI_MULTI_H
#define MBED_SPI_MULTI_H

#include "spi_api.h"

typedef enum {
    WidthSingle = 0,
    WidthDual = 1,
    WidthQuad = 2,
} SpiWidth;

#ifdef __cplusplus
extern "C" {
#endif

/** Read a byte in master mode, this is use for Dual or Quad SPI when a simplex transfer is needed
 *
 * @param[in] obj   The SPI peripheral to use for sending
 * @return Returns the value received
 */
int spi_master_read(spi_t *obj);

/** Specify I/O width of SPI transaction
 *
 * @param[in] obj   The SPI peripheral to use for sending
 * @param[in] width The I/O width of SPI transaction
 */
void spi_master_width(spi_t *obj, SpiWidth width);

#ifdef __cplusplus
}
#endif // __cplusplus

#endif // MBED_SPI_MULTI_H