testing n-Bed with a Logitech C270 camera
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USBHostCam Class Reference
A class to communicate a Cam. More...
#include <USBHostCam.h>
Inherits BaseUvc, and decodeMJPEG.
Public Member Functions | |
USBHostCam (uint8_t size=_160x120, uint8_t option=0, CamInfo *user_caminfo=NULL) | |
Constructor. | |
bool | connected () |
Check if a Cam device is connected. | |
bool | connect () |
Try to connect to a Cam device. | |
int | readJPEG (uint8_t *buf, int size, int timeout_ms=15 *1000) |
read jpeg image |
Detailed Description
A class to communicate a Cam.
Definition at line 44 of file USBHostCam.h.
Constructor & Destructor Documentation
USBHostCam | ( | uint8_t | size = _160x120 , |
uint8_t | option = 0 , |
||
CamInfo * | user_caminfo = NULL |
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) |
Constructor.
Definition at line 17 of file USBHostCam.cpp.
Member Function Documentation
bool connect | ( | ) |
Try to connect to a Cam device.
- Returns:
- true if connection was successful
Definition at line 48 of file USBHostCam.cpp.
bool connected | ( | ) |
Check if a Cam device is connected.
- Returns:
- true if a Cam device is connected
Definition at line 43 of file USBHostCam.cpp.
int readJPEG | ( | uint8_t * | buf, |
int | size, | ||
int | timeout_ms = 15*1000 |
||
) |
read jpeg image
- Parameters:
-
buf read buffer size buffer size timeout_ms timeout default 15sec
- Returns:
- jpeg size if read success else -1
Definition at line 141 of file USBHostCam.cpp.
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