Darien Figueroa / Mbed 2 deprecated repo3

repo time

Dependencies:   mbed MAX14720 MAX30205 USBDevice

e4a10ed6eb92/HSP/QuadSPI/QuadSpi.cpp@20:6d2af70c92ab, 2021-04-06 (annotated)

Committer:
darienf
Date:
Tue Apr 06 06:41:40 2021 +0000
Revision:
20:6d2af70c92ab
another repo

Who changed what in which revision?

UserRevisionLine numberNew contents of line
darienf 20:6d2af70c92ab 1 /*******************************************************************************
darienf 20:6d2af70c92ab 2 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
darienf 20:6d2af70c92ab 3 *
darienf 20:6d2af70c92ab 4 * Permission is hereby granted, free of charge, to any person obtaining a
darienf 20:6d2af70c92ab 5 * copy of this software and associated documentation files (the "Software"),
darienf 20:6d2af70c92ab 6 * to deal in the Software without restriction, including without limitation
darienf 20:6d2af70c92ab 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
darienf 20:6d2af70c92ab 8 * and/or sell copies of the Software, and to permit persons to whom the
darienf 20:6d2af70c92ab 9 * Software is furnished to do so, subject to the following conditions:
darienf 20:6d2af70c92ab 10 *
darienf 20:6d2af70c92ab 11 * The above copyright notice and this permission notice shall be included
darienf 20:6d2af70c92ab 12 * in all copies or substantial portions of the Software.
darienf 20:6d2af70c92ab 13 *
darienf 20:6d2af70c92ab 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
darienf 20:6d2af70c92ab 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
darienf 20:6d2af70c92ab 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
darienf 20:6d2af70c92ab 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
darienf 20:6d2af70c92ab 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
darienf 20:6d2af70c92ab 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
darienf 20:6d2af70c92ab 20 * OTHER DEALINGS IN THE SOFTWARE.
darienf 20:6d2af70c92ab 21 *
darienf 20:6d2af70c92ab 22 * Except as contained in this notice, the name of Maxim Integrated
darienf 20:6d2af70c92ab 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
darienf 20:6d2af70c92ab 24 * Products, Inc. Branding Policy.
darienf 20:6d2af70c92ab 25 *
darienf 20:6d2af70c92ab 26 * The mere transfer of this software does not imply any licenses
darienf 20:6d2af70c92ab 27 * of trade secrets, proprietary technology, copyrights, patents,
darienf 20:6d2af70c92ab 28 * trademarks, maskwork rights, or any other form of intellectual
darienf 20:6d2af70c92ab 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
darienf 20:6d2af70c92ab 30 * ownership rights.
darienf 20:6d2af70c92ab 31 *******************************************************************************
darienf 20:6d2af70c92ab 32 */
darienf 20:6d2af70c92ab 33 #include "QuadSpi.h"
darienf 20:6d2af70c92ab 34 #include "spi_multi_api.h"
darienf 20:6d2af70c92ab 35
darienf 20:6d2af70c92ab 36 /** Initialize a SPI master for Quad SPI
darienf 20:6d2af70c92ab 37 *
darienf 20:6d2af70c92ab 38 * @param mosi Pin used for Master Out Slave In
darienf 20:6d2af70c92ab 39 * @param miso Pin used for Master In Slave Out
darienf 20:6d2af70c92ab 40 * @param sclk Pin used for Clock
darienf 20:6d2af70c92ab 41 * @param ssel Pin used for Chip Select
darienf 20:6d2af70c92ab 42 */
darienf 20:6d2af70c92ab 43 QuadSPI::QuadSPI(PinName mosi, PinName miso, PinName sclk, PinName ssel)
darienf 20:6d2af70c92ab 44 : SPI(mosi, miso, sclk, ssel) {
darienf 20:6d2af70c92ab 45 }
darienf 20:6d2af70c92ab 46
darienf 20:6d2af70c92ab 47 /******************************************************************************/
darienf 20:6d2af70c92ab 48 void QuadSPI::setQuadMode() { spi_master_width(&_spi, WidthQuad); }
darienf 20:6d2af70c92ab 49 /******************************************************************************/
darienf 20:6d2af70c92ab 50 void QuadSPI::setSingleMode() { spi_master_width(&_spi, WidthSingle); }
darienf 20:6d2af70c92ab 51
darienf 20:6d2af70c92ab 52 /** Write a byte out in master mode and receive a value
darienf 20:6d2af70c92ab 53 *
darienf 20:6d2af70c92ab 54 * @param value Byte Value to send
darienf 20:6d2af70c92ab 55 * @return Returns Zero
darienf 20:6d2af70c92ab 56 */
darienf 20:6d2af70c92ab 57 int QuadSPI::write(int value) {
darienf 20:6d2af70c92ab 58 aquire();
darienf 20:6d2af70c92ab 59 spi_master_write(&_spi, value);
darienf 20:6d2af70c92ab 60 return 0;
darienf 20:6d2af70c92ab 61 }
darienf 20:6d2af70c92ab 62
darienf 20:6d2af70c92ab 63 /** Read a byte in master mode using Quad SPI simplex transfer
darienf 20:6d2af70c92ab 64 *
darienf 20:6d2af70c92ab 65 * @return Returns the value received from Quad SPI
darienf 20:6d2af70c92ab 66 */
darienf 20:6d2af70c92ab 67 int QuadSPI::read(void) {
darienf 20:6d2af70c92ab 68 aquire();
darienf 20:6d2af70c92ab 69 return spi_master_read(&_spi);
darienf 20:6d2af70c92ab 70 }