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semf
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The RingBuffer
class implements a classic circular buffer.
More...
#include <ringbuffer.h>
Public Member Functions | |
virtual void | put (T data) |
Writes data in the buffer. More... | |
T & | get () |
Returns the oldest value not read yet. More... | |
virtual T & | operator[] (size_t pos) const |
Returns the entry from a specific position in the buffer. More... | |
bool | isFull () const |
Returns if the buffer is full. More... | |
bool | isEmpty () const |
Returns if the buffer is empty. More... | |
size_t | count () const override |
Returns the number of entries stored in the buffer and not read yet. More... | |
void | reset () |
Clears the buffer. More... | |
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Buffer ()=default | |
Buffer (T buffer[], size_t bufferSize) | |
Constructor with data array initialization. More... | |
virtual | ~Buffer ()=default |
void | setBuffer (T buffer[], size_t bufferSize) |
Sets the data array. More... | |
virtual T & | operator[] (size_t pos) const |
Returns the entry from a specific position in the buffer. More... | |
size_t | size () const |
Returns the size of the buffer. More... | |
virtual size_t | count () const |
Returns the number of entries stored in the buffer. More... | |
T * | data () const |
Returns the pointer to the first element of the data array. More... | |
The RingBuffer
class implements a classic circular buffer.
The data base is an array with the data type defined by the template parameter T
. To use the RingBuffer
set the array in the constructor or by the function setData()
.
The data can be accessed by the functions
data()
to get the pointer to the data array,at()
to get the element on a specific position andget()
to get the oldest entry not read jet.The data can be stored in the buffer by the function put()
.
See also Buffer
, LastInBuffer
, LastInDmaBuffer
and Average
.
RingBuffer
a global CriticalSection
object is required.USE_SEMF_DEBUG
is defined RingBuffer
uses nullptr
dereferencing instead of an error
signal.Type | of data to handle. |
Definition at line 39 of file ringbuffer.h.
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overridevirtual |
Returns the number of entries stored in the buffer and not read yet.
Reimplemented from semf::Buffer< T >.
Definition at line 180 of file ringbuffer.h.
T & semf::RingBuffer< T >::get |
Returns the oldest value not read yet.
USE_SEMF_DEBUG
or DEBUG
being defined will cause a boundary check. In case of failing the boundary check the function will dereference a nullptr
in order to crash the software forcefully. Definition at line 114 of file ringbuffer.h.
bool semf::RingBuffer< T >::isEmpty |
Returns if the buffer is empty.
Definition at line 166 of file ringbuffer.h.
bool semf::RingBuffer< T >::isFull |
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virtual |
Returns the entry from a specific position in the buffer.
pos | Position in the buffer. |
USE_SEMF_DEBUG
or DEBUG
being defined will cause a boundary check. In case of failing the boundary check the function will dereference a nullptr
in order to crash the software forcefully. Reimplemented from semf::Buffer< T >.
Definition at line 134 of file ringbuffer.h.
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virtual |
Writes data in the buffer.
data | Data to write into the buffer into the next free space. |
Definition at line 99 of file ringbuffer.h.
void semf::RingBuffer< T >::reset |
Clears the buffer.
Definition at line 190 of file ringbuffer.h.