Revision 0:15a46579bacc, committed 2016-10-03

Comitter:

jbradshaw

Date:

Mon Oct 03 18:30:26 2016 +0000

Commit message:

test

Changed in this revision

diff -r 000000000000 -r 15a46579bacc QuadSpi.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/QuadSpi.cpp	Mon Oct 03 18:30:26 2016 +0000
@@ -0,0 +1,74 @@
+
+/*******************************************************************************
+ * 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 "QuadSpi.h"
+#include "spi_multi_api.h"
+
+/** Initialize a SPI master for Quad SPI
+ *
+ * @param[in] mosi   Pin used for Master Out Slave In
+ * @param[in] miso   Pin used for Master In Slave Out
+ * @param[in] sclk   Pin used for Clock
+ * @param[in] ssel   Pin used for Chip Select
+ */
+QuadSPI::QuadSPI(PinName mosi, PinName miso, PinName sclk, PinName ssel) : SPI(mosi,miso,sclk,ssel) {    
+    spi_master_width(&_spi, WidthQuad);
+}
+
+/** Write a byte out in master mode and receive a value
+ *
+ * @param[in] value   Byte Value to send
+ * @return Returns Zero
+ */
+int QuadSPI::write(int value) {
+    aquire();
+    spi_master_write(&_spi, value);
+    return 0;
+}
+
+/** Read a byte in master mode using Quad SPI simplex transfer
+ *
+ * @return Returns the value received from Quad SPI
+ */
+int QuadSPI::read() {
+    aquire();
+    return spi_master_read(&_spi);
+}
+
+
+
+
+
+

diff -r 000000000000 -r 15a46579bacc QuadSpi.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/QuadSpi.h	Mon Oct 03 18:30:26 2016 +0000
@@ -0,0 +1,42 @@
+#ifndef _QUADSPI_H_
+#define _QUADSPI_H_
+
+#include "mbed.h"
+
+class QuadSPI: SPI {
+
+public:
+
+    /** Create a QuadSPI master connected to the specified pins
+     *
+     *  mosi or miso can be specfied as NC if not used
+     *
+     *  @param mosi QuadSPI Master Out, Slave In pin
+     *  @param miso QuadSPI Master In, Slave Out pin
+     *  @param sclk QuadSPI Clock pin
+     *  @param ssel QuadSPI chip select pin
+     */
+	QuadSPI(PinName mosi, PinName miso, PinName sclk, PinName ssel=NC);
+
+    /** Write to the Quad SPI Slave and return the response
+     *
+     *  @param value Data to be sent to the SPI slave
+     *
+     *  @returns
+     *    none
+    */
+    int write(int value);
+
+    /** Read from the Quad SPI Slave and return the response
+     *
+     *  @param none
+     *
+     *  @returns
+     *    Response from the SPI slave
+    */
+    int read();
+
+};
+
+#endif /* _QUADSPI_H_ */
+