/******************************************************************************* * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Except as contained in this notice, the name of Maxim Integrated * Products, Inc. shall not be used except as stated in the Maxim Integrated * Products, Inc. Branding Policy. * * The mere transfer of this software does not imply any licenses * of trade secrets, proprietary technology, copyrights, patents, * trademarks, maskwork rights, or any other form of intellectual * property whatsoever. Maxim Integrated Products, Inc. retains all * ownership rights. ******************************************************************************* */ #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