Diff: HSP/Interfaces/QuadSpiInterface.h

Revision:

0:8e4630a71eb1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HSP/Interfaces/QuadSpiInterface.h	Thu Apr 05 10:53:26 2018 +0300
@@ -0,0 +1,81 @@
+/*******************************************************************************
+ * 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.
+ *******************************************************************************
+ */
+#ifndef _QUADSPIINTERFACE_H_
+#define _QUADSPIINTERFACE_H_
+
+#include "mbed.h"
+#include "QuadSpi.h"
+
+class QuadSpiInterface {
+public:
+  /**
+  * @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(PinName mosi, PinName miso, PinName sclk, PinName 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 SPI_Transmit(const uint8_t *tx_buf, uint32_t tx_size, uint8_t *rx_buf,
+                   uint32_t rx_size, int last = 1);
+
+  /**
+  * @brief Transmit and recieve Four Wrire 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 SPI_Transmit4Wire(const uint8_t *tx_buf, uint32_t tx_size,
+                        uint8_t *rx_buf, uint32_t rx_size, int last = 1);
+
+private:
+  // QUAD SPI object
+  QuadSPI spi;
+  // chip select object
+  DigitalOut csPin;
+};
+
+#endif // _QUADSPIINTERFACE_H_
+