Daniel Kline / Mbed OS MAX30001-MAX32630FTHR-ECG-EVKIT

Compile SD library

Dependencies:   SDFileSystem USBDevice max32630fthr

Fork of MAX30001-MAX32630FTHR-ECG-EVKIT by Maxim Integrated

HSP/Interfaces/QuadSpiInterface.cpp@14:ab268e818f82, 2018-09-20 (annotated)

Committer:
dankline
Date:
Thu Sep 20 16:13:28 2018 +0000
Revision:
14:ab268e818f82
Parent:
0:8e4630a71eb1 
Added SD Library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 1 /*******************************************************************************
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 2 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 3 *
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 4 * Permission is hereby granted, free of charge, to any person obtaining a
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 5 * copy of this software and associated documentation files (the "Software"),
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 6 * to deal in the Software without restriction, including without limitation
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 8 * and/or sell copies of the Software, and to permit persons to whom the
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 9 * Software is furnished to do so, subject to the following conditions:
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 10 *
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 11 * The above copyright notice and this permission notice shall be included
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 12 * in all copies or substantial portions of the Software.
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 13 *
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 20 * OTHER DEALINGS IN THE SOFTWARE.
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 21 *
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 22 * Except as contained in this notice, the name of Maxim Integrated
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 24 * Products, Inc. Branding Policy.
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 25 *
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 26 * The mere transfer of this software does not imply any licenses
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 27 * of trade secrets, proprietary technology, copyrights, patents,
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 28 * trademarks, maskwork rights, or any other form of intellectual
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 30 * ownership rights.
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 31 *******************************************************************************
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 32 */
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 33 #include "QuadSpiInterface.h"
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 34
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 35 /**
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 36 * @brief Constructor that accepts pin names for the QUAD SPI interface
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 37 * @param mosi master out slave in pin name
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 38 * @param miso master in slave out pin name
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 39 * @param sclk serial clock pin name
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 40 * @param cs chip select pin name
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 41 */
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 42 QuadSpiInterface::QuadSpiInterface(PinName mosi, PinName miso, PinName sclk,
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 43 PinName cs)
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 44 : spi(mosi, miso, sclk), csPin(cs) {
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 45
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 46 }
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 47
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 48 /**
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 49 * @brief Transmit and recieve QUAD SPI data
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 50 * @param tx_buf pointer to transmit byte buffer
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 51 * @param tx_size number of bytes to transmit
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 52 * @param rx_buf pointer to the recieve buffer
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 53 * @param rx_size number of bytes to recieve
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 54 * @param last flag to indicate if this is the last QUAD SPI transaction for the
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 55 * current chip select cycle
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 56 */
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 57 int QuadSpiInterface::SPI_Transmit(const uint8_t *tx_buf, uint32_t tx_size,
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 58 uint8_t *rx_buf, uint32_t rx_size,
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 59 int last) {
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 60 uint32_t i;
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 61 int result = 0;
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 62 int index = 0;
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 63 // lower chip select
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 64 csPin = 0;
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 65 // write bytes out QUAD SPI
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 66 spi.setQuadMode();
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 67 for (i = 0; i < tx_size; i++) {
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 68 rx_buf[index] = spi.write((int)tx_buf[i]);
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 69 index++;
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 70 }
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 71 // read in bytes from QUAD SPI
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 72 for (i = 0; i < rx_size; i++) {
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 73 rx_buf[index] = (uint8_t)spi.read();
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 74 index++;
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 75 }
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 76 // raise chip select if this is the last transaction
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 77 if (last) csPin = 1;
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 78 return result;
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 79 }
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 80
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 81 /**
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 82 * @brief Transmit and recieve QUAD SPI data
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 83 * @param tx_buf pointer to transmit byte buffer
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 84 * @param tx_size number of bytes to transmit
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 85 * @param rx_buf pointer to the recieve buffer
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 86 * @param rx_size number of bytes to recieve
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 87 * @param last flag to indicate if this is the last QUAD SPI transaction for the
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 88 * current chip select cycle
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 89 */
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 90 int QuadSpiInterface::SPI_Transmit4Wire(const uint8_t *tx_buf, uint32_t tx_size,
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 91 uint8_t *rx_buf, uint32_t rx_size,
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 92 int last) {
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 93 uint32_t i;
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 94 int result = 0;
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 95 int index = 0;
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 96 // lower chip select
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 97 csPin = 0;
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 98 // write bytes out Single SPI
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 99 spi.setSingleMode();
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 100 for (i = 0; i < tx_size; i++) {
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 101 rx_buf[index] = spi.write((int)tx_buf[i]);
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 102 index++;
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 103 }
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 104 // raise chip select if this is the last transaction
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 105 if (last) csPin = 1;
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 106 return result;
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 107 }
Emre.Eken@IST-LT-35101.maxim-ic.internal 0:8e4630a71eb1 108