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/*******************************************************************************
 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
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 * The above copyright notice and this permission notice shall be included
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 * OTHER DEALINGS IN THE SOFTWARE.
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 */
#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_