test
FrameBuffer Class Reference
storage class for incoming frames More...
#include <FrameBuffer.h>
Public Member Functions | |
FrameBuffer (uint8_t size, uint16_t max_payload_len) | |
Constructor. | |
~FrameBuffer () | |
Destructor. | |
ApiFrame * | get_next_free_frame () |
get_next_free_frame returns the next free frame | |
bool | complete_frame (ApiFrame *frame) |
complete_frame sets the status of the frame to complete once the data has been set in the buffer. | |
bool | free_frame (ApiFrame *frame) |
free_frame makes the frame available to be reused in future | |
ApiFrame * | get_next_complete_frame () |
get_next_complete_frame returns the pointer to the next complete frame | |
uint32_t | get_dropped_frames_count () |
get_dropped_frames_count returns the number of dropped frames since latest call to this method | |
Protected Types | |
enum | FrameStatus { FrameStatusFree = 0, FrameStatusAssigned, FrameStatusComplete } |
frame status More... | |
Protected Attributes | |
buf_element_t * | _frm_buf |
buffer array | |
uint8_t | _head |
head frame index | |
uint8_t | _tail |
tail frame index for application | |
uint32_t | _dropped_frames |
dropped frames |
Detailed Description
storage class for incoming frames
Definition at line 33 of file FrameBuffer.h.
Member Enumeration Documentation
enum FrameStatus [protected] |
frame status
Definition at line 76 of file FrameBuffer.h.
Constructor & Destructor Documentation
FrameBuffer | ( | uint8_t | size, |
uint16_t | max_payload_len | ||
) |
Constructor.
Definition at line 24 of file FrameBuffer.cpp.
~FrameBuffer | ( | ) |
Destructor.
Definition at line 36 of file FrameBuffer.cpp.
Member Function Documentation
bool complete_frame | ( | ApiFrame * | frame ) |
complete_frame sets the status of the frame to complete once the data has been set in the buffer.
- Parameters:
-
pointer to the buffer we want to set as complete
- Returns:
- true on success, false otherwise
Definition at line 67 of file FrameBuffer.cpp.
bool free_frame | ( | ApiFrame * | frame ) |
free_frame makes the frame available to be reused in future
- Parameters:
-
frame to release
Definition at line 104 of file FrameBuffer.cpp.
uint32_t get_dropped_frames_count | ( | void | ) |
get_dropped_frames_count returns the number of dropped frames since latest call to this method
- Returns:
- the number of dropped frames since latest call to this method
Definition at line 119 of file FrameBuffer.cpp.
ApiFrame * get_next_complete_frame | ( | void | ) |
get_next_complete_frame returns the pointer to the next complete frame
- Returns:
- the pointer to the selected buffer
Definition at line 82 of file FrameBuffer.cpp.
ApiFrame * get_next_free_frame | ( | void | ) |
get_next_free_frame returns the next free frame
- Returns:
- a pointer to the next free frame
Definition at line 45 of file FrameBuffer.cpp.
Field Documentation
uint32_t _dropped_frames [protected] |
dropped frames
Definition at line 95 of file FrameBuffer.h.
buf_element_t* _frm_buf [protected] |
buffer array
Definition at line 83 of file FrameBuffer.h.
uint8_t _head [protected] |
head frame index
Definition at line 89 of file FrameBuffer.h.
uint8_t _tail [protected] |
tail frame index for application
Definition at line 92 of file FrameBuffer.h.
Generated on Tue Nov 1 2022 06:41:58 by 1.7.2