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/**
* @file samplebuffer.hpp
* @brief Manages ADC/DAC buffer data.
*
* Copyright (C) 2021 Clyne Sullivan
*
* Distributed under the GNU GPL v3 or later. You should have received a copy of
* the GNU General Public License along with this program.
* If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef SAMPLEBUFFER_HPP_
#define SAMPLEBUFFER_HPP_
#include <array>
#include <cstdint>
using Sample = uint16_t;
constexpr unsigned int MAX_SAMPLE_BUFFER_BYTESIZE = sizeof(Sample) * 8192;
constexpr unsigned int MAX_SAMPLE_BUFFER_SIZE = MAX_SAMPLE_BUFFER_BYTESIZE / sizeof(Sample);
class SampleBuffer
{
public:
SampleBuffer(Sample *buffer);
void clear();
void modify(Sample *data, unsigned int srcsize);
void midmodify(Sample *data, unsigned int srcsize);
void setModified();
void setMidmodified();
Sample *modified();
Sample *data();
Sample *middata();
uint8_t *bytedata();
void setSize(unsigned int size);
unsigned int size() const;
unsigned int bytesize() const;
private:
Sample *m_buffer = nullptr;
unsigned int m_size = MAX_SAMPLE_BUFFER_SIZE;
Sample *m_modified = nullptr;
};
#endif // SAMPLEBUFFER_HPP_
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