SPI.h

/*
 * SPI.h
 *
 *  Created on: Mar 3, 2017
 *      Author: kolban
 */

#ifndef COMPONENTS_CPP_UTILS_SPI_H_
#define COMPONENTS_CPP_UTILS_SPI_H_
#include <driver/spi_master.h>
#include <driver/gpio.h>
class SPI {
public:
    SPI();
    virtual ~SPI();
    void    init(
        int mosiPin = DEFAULT_MOSI_PIN,
        int misoPin = DEFAULT_MISO_PIN,
        int clkPin  = DEFAULT_CLK_PIN,
        int csPin   = DEFAULT_CS_PIN);
    void    setHost(spi_host_device_t host);
    void    transfer(uint8_t* data, size_t dataLen);
    uint8_t transferByte(uint8_t value);

    static const int DEFAULT_MOSI_PIN = GPIO_NUM_13;

    static const int DEFAULT_MISO_PIN = GPIO_NUM_12;

    static const int DEFAULT_CLK_PIN  = GPIO_NUM_14;

    static const int DEFAULT_CS_PIN   = GPIO_NUM_15;

    static const int PIN_NOT_SET      = -1;

private:
  spi_device_handle_t m_handle;
  spi_host_device_t   m_host;

};

#endif /* COMPONENTS_CPP_UTILS_SPI_H_ */