Diff: HSP/Interfaces/QuadSpiInterface.cpp

Revision:

3:36de8b9e4b1a

Parent:

2:86d928355813

Child:

4:1fcd660d72fe

--- a/HSP/Interfaces/QuadSpiInterface.cpp	Sat Apr 10 02:05:01 2021 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,107 +0,0 @@
-/*******************************************************************************
- * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
- * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the name of Maxim Integrated
- * Products, Inc. shall not be used except as stated in the Maxim Integrated
- * Products, Inc. Branding Policy.
- *
- * The mere transfer of this software does not imply any licenses
- * of trade secrets, proprietary technology, copyrights, patents,
- * trademarks, maskwork rights, or any other form of intellectual
- * property whatsoever. Maxim Integrated Products, Inc. retains all
- * ownership rights.
- *******************************************************************************
- */
-#include "QuadSpiInterface.h"
-
-/**
-* @brief Constructor that accepts pin names for the QUAD SPI interface
-* @param mosi master out slave in pin name
-* @param miso master in slave out pin name
-* @param sclk serial clock pin name
-* @param cs chip select pin name
-*/
-QuadSpiInterface::QuadSpiInterface(PinName mosi, PinName miso, PinName sclk,
-                                   PinName cs)
-    : spi(mosi, miso, sclk), csPin(cs) {
-
-    }
-
-/**
-* @brief Transmit and recieve QUAD SPI data
-* @param tx_buf pointer to transmit byte buffer
-* @param tx_size number of bytes to transmit
-* @param rx_buf pointer to the recieve buffer
-* @param rx_size number of bytes to recieve
-* @param last flag to indicate if this is the last QUAD SPI transaction for the
-* current chip select cycle
-*/
-int QuadSpiInterface::SPI_Transmit(const uint8_t *tx_buf, uint32_t tx_size,
-                                   uint8_t *rx_buf, uint32_t rx_size,
-                                   int last) {
-  uint32_t i;
-  int result = 0;
-  int index = 0;
-  // lower chip select
-  csPin = 0;
-  // write bytes out QUAD SPI
-  spi.setQuadMode();
-  for (i = 0; i < tx_size; i++) {
-    rx_buf[index] = spi.write((int)tx_buf[i]);
-    index++;
-  }
-  // read in bytes from QUAD SPI
-  for (i = 0; i < rx_size; i++) {
-    rx_buf[index] = (uint8_t)spi.read();
-    index++;
-  }
-  // raise chip select if this is the last transaction
-    if (last) csPin = 1;
-  return result;
-}
-
-/**
-* @brief Transmit and recieve QUAD SPI data
-* @param tx_buf pointer to transmit byte buffer
-* @param tx_size number of bytes to transmit
-* @param rx_buf pointer to the recieve buffer
-* @param rx_size number of bytes to recieve
-* @param last flag to indicate if this is the last QUAD SPI transaction for the
-* current chip select cycle
-*/
-int QuadSpiInterface::SPI_Transmit4Wire(const uint8_t *tx_buf, uint32_t tx_size,
-                                        uint8_t *rx_buf, uint32_t rx_size,
-                                        int last) {
-  uint32_t i;
-  int result = 0;
-  int index = 0;
-  // lower chip select
-  csPin = 0;
-  // write bytes out Single SPI
-  spi.setSingleMode();
-  for (i = 0; i < tx_size; i++) {
-    rx_buf[index] = spi.write((int)tx_buf[i]);
-    index++;
-  }
-  // raise chip select if this is the last transaction
-    if (last) csPin = 1;
-  return result;
-}