MAX32620HSP (MAXREFDES100) RPC Example for Graphical User Interface

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QuadSpi.h

00001 /*******************************************************************************
00002  * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
00003  *
00004  * Permission is hereby granted, free of charge, to any person obtaining a
00005  * copy of this software and associated documentation files (the "Software"),
00006  * to deal in the Software without restriction, including without limitation
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00008  * and/or sell copies of the Software, and to permit persons to whom the
00009  * Software is furnished to do so, subject to the following conditions:
00010  *
00011  * The above copyright notice and this permission notice shall be included
00012  * in all copies or substantial portions of the Software.
00013  *
00014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
00015  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00016  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
00017  * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
00018  * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
00019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
00020  * OTHER DEALINGS IN THE SOFTWARE.
00021  *
00022  * Except as contained in this notice, the name of Maxim Integrated
00023  * Products, Inc. shall not be used except as stated in the Maxim Integrated
00024  * Products, Inc. Branding Policy.
00025  *
00026  * The mere transfer of this software does not imply any licenses
00027  * of trade secrets, proprietary technology, copyrights, patents,
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00031  *******************************************************************************
00032  */
00033 #ifndef _QUADSPI_H_
00034 #define _QUADSPI_H_
00035 
00036 #include "mbed.h"
00037 
00038 
00039 
00040 
00041 /**
00042 * This class provides a Quad SPI interface for quad spi devices
00043 * the class also allows single (4-Wire) communication
00044 */
00045 class QuadSPI : SPI {
00046 
00047 public:
00048   /** Create a QuadSPI master connected to the specified pins
00049    *
00050    *  mosi or miso can be specfied as NC if not used
00051    *
00052    *  @param mosi QuadSPI Master Out, Slave In pin
00053    *  @param miso QuadSPI Master In, Slave Out pin
00054    *  @param sclk QuadSPI Clock pin
00055    *  @param ssel QuadSPI chip select pin
00056    */
00057   QuadSPI(PinName mosi, PinName miso, PinName sclk, PinName ssel = NC);
00058 
00059   /** Write to the Quad SPI Slave and return the response
00060    *
00061    *  @param value Data to be sent to the SPI slave
00062    *
00063    *  @returns
00064    *    none
00065   */
00066   virtual int write(int value);
00067 
00068   /** Read from the Quad SPI Slave and return the response
00069    *
00070    *  @param none
00071    *
00072    *  @returns
00073    *    Response from the SPI slave
00074   */
00075   int read(void);
00076 
00077   /** Allow switching to and from Single SPI and Quad SPI
00078    *
00079    *  @param none
00080    *
00081    *  @returns
00082    *    Response from the SPI slave
00083   */
00084   void setSingleMode();
00085   void setQuadMode();
00086 };
00087 
00088 #endif /* _QUADSPI_H_ */