Maxim Integrated / MAX30001EVSYSKIT

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HSP/QuadSPI/QuadSpi.cpp@1:957e5bad16c2, 2018-06-27 (annotated)

Committer:
Emre.Eken
Date:
Wed Jun 27 14:17:34 2018 +0300
Revision:
1:957e5bad16c2
first rev

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Emre.Eken 1:957e5bad16c2 1 /*******************************************************************************
Emre.Eken 1:957e5bad16c2 2 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
Emre.Eken 1:957e5bad16c2 3 *
Emre.Eken 1:957e5bad16c2 4 * Permission is hereby granted, free of charge, to any person obtaining a
Emre.Eken 1:957e5bad16c2 5 * copy of this software and associated documentation files (the "Software"),
Emre.Eken 1:957e5bad16c2 6 * to deal in the Software without restriction, including without limitation
Emre.Eken 1:957e5bad16c2 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
Emre.Eken 1:957e5bad16c2 8 * and/or sell copies of the Software, and to permit persons to whom the
Emre.Eken 1:957e5bad16c2 9 * Software is furnished to do so, subject to the following conditions:
Emre.Eken 1:957e5bad16c2 10 *
Emre.Eken 1:957e5bad16c2 11 * The above copyright notice and this permission notice shall be included
Emre.Eken 1:957e5bad16c2 12 * in all copies or substantial portions of the Software.
Emre.Eken 1:957e5bad16c2 13 *
Emre.Eken 1:957e5bad16c2 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
Emre.Eken 1:957e5bad16c2 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
Emre.Eken 1:957e5bad16c2 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
Emre.Eken 1:957e5bad16c2 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
Emre.Eken 1:957e5bad16c2 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
Emre.Eken 1:957e5bad16c2 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
Emre.Eken 1:957e5bad16c2 20 * OTHER DEALINGS IN THE SOFTWARE.
Emre.Eken 1:957e5bad16c2 21 *
Emre.Eken 1:957e5bad16c2 22 * Except as contained in this notice, the name of Maxim Integrated
Emre.Eken 1:957e5bad16c2 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
Emre.Eken 1:957e5bad16c2 24 * Products, Inc. Branding Policy.
Emre.Eken 1:957e5bad16c2 25 *
Emre.Eken 1:957e5bad16c2 26 * The mere transfer of this software does not imply any licenses
Emre.Eken 1:957e5bad16c2 27 * of trade secrets, proprietary technology, copyrights, patents,
Emre.Eken 1:957e5bad16c2 28 * trademarks, maskwork rights, or any other form of intellectual
Emre.Eken 1:957e5bad16c2 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
Emre.Eken 1:957e5bad16c2 30 * ownership rights.
Emre.Eken 1:957e5bad16c2 31 *******************************************************************************
Emre.Eken 1:957e5bad16c2 32 */
Emre.Eken 1:957e5bad16c2 33 #include "QuadSpi.h"
Emre.Eken 1:957e5bad16c2 34 //#include "spi_multi_api.h"
Emre.Eken 1:957e5bad16c2 35
Emre.Eken 1:957e5bad16c2 36 /** Initialize a SPI master for Quad SPI
Emre.Eken 1:957e5bad16c2 37 *
Emre.Eken 1:957e5bad16c2 38 * @param mosi Pin used for Master Out Slave In
Emre.Eken 1:957e5bad16c2 39 * @param miso Pin used for Master In Slave Out
Emre.Eken 1:957e5bad16c2 40 * @param sclk Pin used for Clock
Emre.Eken 1:957e5bad16c2 41 * @param ssel Pin used for Chip Select
Emre.Eken 1:957e5bad16c2 42 */
Emre.Eken 1:957e5bad16c2 43 QuadSPI::QuadSPI(PinName mosi, PinName miso, PinName sclk, PinName ssel)
Emre.Eken 1:957e5bad16c2 44 : SPI(mosi, miso, sclk, ssel) {
Emre.Eken 1:957e5bad16c2 45 }
Emre.Eken 1:957e5bad16c2 46
Emre.Eken 1:957e5bad16c2 47 /******************************************************************************/
Emre.Eken 1:957e5bad16c2 48 void QuadSPI::setQuadMode() {}//spi_master_width(&_spi, WidthQuad); }
Emre.Eken 1:957e5bad16c2 49 /******************************************************************************/
Emre.Eken 1:957e5bad16c2 50 void QuadSPI::setSingleMode() {}//spi_master_width(&_spi, WidthSingle); }
Emre.Eken 1:957e5bad16c2 51
Emre.Eken 1:957e5bad16c2 52 /** Write a byte out in master mode and receive a value
Emre.Eken 1:957e5bad16c2 53 *
Emre.Eken 1:957e5bad16c2 54 * @param value Byte Value to send
Emre.Eken 1:957e5bad16c2 55 * @return Returns Zero
Emre.Eken 1:957e5bad16c2 56 */
Emre.Eken 1:957e5bad16c2 57 int QuadSPI::write(int value) {
Emre.Eken 1:957e5bad16c2 58 aquire();
Emre.Eken 1:957e5bad16c2 59 spi_master_write(&_spi, value);
Emre.Eken 1:957e5bad16c2 60 return 0;
Emre.Eken 1:957e5bad16c2 61 }
Emre.Eken 1:957e5bad16c2 62
Emre.Eken 1:957e5bad16c2 63 /** Read a byte in master mode using Quad SPI simplex transfer
Emre.Eken 1:957e5bad16c2 64 *
Emre.Eken 1:957e5bad16c2 65 * @return Returns the value received from Quad SPI
Emre.Eken 1:957e5bad16c2 66 */
Emre.Eken 1:957e5bad16c2 67 int QuadSPI::read(void) {
Emre.Eken 1:957e5bad16c2 68 aquire();
Emre.Eken 1:957e5bad16c2 69 return 0;//spi_master_read(&_spi);
Emre.Eken 1:957e5bad16c2 70 }
Emre.Eken 1:957e5bad16c2 71