bytestream.h

#pragma once
 
#include <stddef.h>
#include <stdint.h>
 
#include "namespace.h"
#include "ref.h"
 
#include "crgb.h"
 
FASTLED_NAMESPACE_BEGIN
 
FASTLED_SMART_REF(ByteStream);
 
// An abstract class that represents a file handle.
// Devices like the SD card will return one of these.
class ByteStream : public Referent {
  public:
    virtual ~ByteStream() {}
    virtual bool available(size_t) const = 0;
    virtual size_t read(uint8_t *dst, size_t bytesToRead) = 0;
    virtual const char *path() const = 0;
    virtual void close() {}  // default is do nothing on close.
 
    // convenience functions
    size_t read(CRGB *dst, size_t n) { return read((uint8_t *)dst, n * 3); }
};
 
 
 
FASTLED_NAMESPACE_END