Darien Figueroa / Mbed OS Final_Program

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Dependencies:   USBDevice

HSP/QuadSPI/QuadSpi.cpp@0:832122ce6748, 2021-04-07 (annotated)

Committer:
darienf
Date:
Wed Apr 07 22:37:59 2021 +0000
Revision:
0:832122ce6748
painnie

Who changed what in which revision?

UserRevisionLine numberNew contents of line
darienf 0:832122ce6748 1 /*******************************************************************************
darienf 0:832122ce6748 2 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
darienf 0:832122ce6748 3 *
darienf 0:832122ce6748 4 * Permission is hereby granted, free of charge, to any person obtaining a
darienf 0:832122ce6748 5 * copy of this software and associated documentation files (the "Software"),
darienf 0:832122ce6748 6 * to deal in the Software without restriction, including without limitation
darienf 0:832122ce6748 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
darienf 0:832122ce6748 8 * and/or sell copies of the Software, and to permit persons to whom the
darienf 0:832122ce6748 9 * Software is furnished to do so, subject to the following conditions:
darienf 0:832122ce6748 10 *
darienf 0:832122ce6748 11 * The above copyright notice and this permission notice shall be included
darienf 0:832122ce6748 12 * in all copies or substantial portions of the Software.
darienf 0:832122ce6748 13 *
darienf 0:832122ce6748 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
darienf 0:832122ce6748 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
darienf 0:832122ce6748 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
darienf 0:832122ce6748 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
darienf 0:832122ce6748 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
darienf 0:832122ce6748 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
darienf 0:832122ce6748 20 * OTHER DEALINGS IN THE SOFTWARE.
darienf 0:832122ce6748 21 *
darienf 0:832122ce6748 22 * Except as contained in this notice, the name of Maxim Integrated
darienf 0:832122ce6748 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
darienf 0:832122ce6748 24 * Products, Inc. Branding Policy.
darienf 0:832122ce6748 25 *
darienf 0:832122ce6748 26 * The mere transfer of this software does not imply any licenses
darienf 0:832122ce6748 27 * of trade secrets, proprietary technology, copyrights, patents,
darienf 0:832122ce6748 28 * trademarks, maskwork rights, or any other form of intellectual
darienf 0:832122ce6748 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
darienf 0:832122ce6748 30 * ownership rights.
darienf 0:832122ce6748 31 *******************************************************************************
darienf 0:832122ce6748 32 */
darienf 0:832122ce6748 33 #include "QuadSpi.h"
darienf 0:832122ce6748 34 #include "spi_multi_api.h"
darienf 0:832122ce6748 35
darienf 0:832122ce6748 36 /** Initialize a SPI master for Quad SPI
darienf 0:832122ce6748 37 *
darienf 0:832122ce6748 38 * @param mosi Pin used for Master Out Slave In
darienf 0:832122ce6748 39 * @param miso Pin used for Master In Slave Out
darienf 0:832122ce6748 40 * @param sclk Pin used for Clock
darienf 0:832122ce6748 41 * @param ssel Pin used for Chip Select
darienf 0:832122ce6748 42 */
darienf 0:832122ce6748 43 QuadSPI::QuadSPI(PinName mosi, PinName miso, PinName sclk, PinName ssel)
darienf 0:832122ce6748 44 : SPI(mosi, miso, sclk, ssel) {
darienf 0:832122ce6748 45 }
darienf 0:832122ce6748 46
darienf 0:832122ce6748 47 /******************************************************************************/
darienf 0:832122ce6748 48 void QuadSPI::setQuadMode() { spi_master_width(&_spi, WidthQuad); }
darienf 0:832122ce6748 49 /******************************************************************************/
darienf 0:832122ce6748 50 void QuadSPI::setSingleMode() { spi_master_width(&_spi, WidthSingle); }
darienf 0:832122ce6748 51
darienf 0:832122ce6748 52 /** Write a byte out in master mode and receive a value
darienf 0:832122ce6748 53 *
darienf 0:832122ce6748 54 * @param value Byte Value to send
darienf 0:832122ce6748 55 * @return Returns Zero
darienf 0:832122ce6748 56 */
darienf 0:832122ce6748 57 int QuadSPI::write(int value) {
darienf 0:832122ce6748 58 aquire();
darienf 0:832122ce6748 59 spi_master_write(&_spi, value);
darienf 0:832122ce6748 60 return 0;
darienf 0:832122ce6748 61 }
darienf 0:832122ce6748 62
darienf 0:832122ce6748 63 /** Read a byte in master mode using Quad SPI simplex transfer
darienf 0:832122ce6748 64 *
darienf 0:832122ce6748 65 * @return Returns the value received from Quad SPI
darienf 0:832122ce6748 66 */
darienf 0:832122ce6748 67 int QuadSPI::read(void) {
darienf 0:832122ce6748 68 aquire();
darienf 0:832122ce6748 69 return spi_master_read(&_spi);
darienf 0:832122ce6748 70 }