I2S.h

/*
 * I2S.h
 *
 *  Created on: Jul 23, 2017
 *      Author: kolban
 */

#ifndef COMPONENTS_CPP_UTILS_I2S_H_
#define COMPONENTS_CPP_UTILS_I2S_H_
#include <driver/gpio.h>
#include <FreeRTOS.h>
typedef struct {
    gpio_num_t pin_reset;          
    gpio_num_t pin_xclk;           
    gpio_num_t pin_sscb_sda;       
    gpio_num_t pin_sscb_scl;       
    gpio_num_t pin_d7;             
    gpio_num_t pin_d6;             
    gpio_num_t pin_d5;             
    gpio_num_t pin_d4;             
    gpio_num_t pin_d3;             
    gpio_num_t pin_d2;             
    gpio_num_t pin_d1;             
    gpio_num_t pin_d0;             
    gpio_num_t pin_vsync;          
    gpio_num_t pin_href;           
    gpio_num_t pin_pclk;           
    int xclk_freq_hz;       
} dma_config_t;

class DMAData {
public:
    uint32_t getLength() {
        return m_length;
    }
    uint8_t* getData() {
        return m_pData;
    }

    void free() {
        delete[] m_pData;
        m_pData = nullptr;
    }
private:
    friend class I2S;
    uint32_t m_length;
    uint8_t* m_pData;
};

class I2S {
public:
    I2S();
    virtual ~I2S();
    void cameraMode(dma_config_t config, int desc_count, int sample_count);
    DMAData waitForData();
    FreeRTOS::Semaphore m_dmaSemaphore;
private:

};

#endif /* COMPONENTS_CPP_UTILS_I2S_H_ */