testing n-Bed with a Logitech C270 camera
Fork of USBHostC270_example by
USBHostC270/USBHostC270.h
- Committer:
- chalikias
- Date:
- 2015-04-27
- Revision:
- 13:237a886b0b78
- Parent:
- 10:387c49b2fc7e
File content as of revision 13:237a886b0b78:
#include "USBHostConf.h" #include "USBHost.h" #include "BaseUvc.h" #include "decodeMJPEG.h" // Logitech C270 #define C270_VID 0x046d #define C270_PID 0x0825 #define C270_160x120 2 #define C270_176x144 3 #define C270_320x176 4 #define C270_320x240 5 #define C270_352x288 6 #define C270_432x240 7 #define C270_640x480 1 #define C270_544x288 8 #define C270_640x360 9 #define C270_752x416 10 #define C270_800x448 11 #define C270_800x600 12 #define C270_MJPEG 2 #define C270_YUV2 1 #define C270_EN 0x81 #define C270_MPS 192 #define C270_IF_ALT 1 #define TEST_ASSERT(A) while(!(A)){fprintf(stderr,"\n\n%s@%d %s ASSERT!\n\n",__PRETTY_FUNCTION__,__LINE__,#A);exit(1);}; class IsochronousEp; class BaseUvc; /** * A class to communicate a C270 */ class USBHostC270 : public IUSBEnumerator, public BaseUvc, public decodeMJPEG { public: /** * Constructor * */ USBHostC270(int formatIndex = C270_MJPEG, int frameIndex = C270_160x120, uint32_t interval = _5FPS); /** * Check if a C270 device is connected * * @return true if a MSD device is connected */ bool connected(); /** * Try to connect to a C270 device * * @return true if connection was successful */ bool connect(); /** * read jpeg image * * @param buf read buffer * @param size buffer size * @param timeout_ms timeout default 15sec * @return jpeg size if read success else -1 */ int readJPEG(uint8_t* buf, int size, int timeout_ms = 15*1000); protected: //From IUSBEnumerator virtual void setVidPid(uint16_t vid, uint16_t pid); virtual bool parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol); //Must return true if the interface should be parsed virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used private: bool dev_connected; int c270_intf; bool c270_device_found; bool c270_vid_pid_found; int _formatIndex; int _frameIndex; uint32_t _interval; uint8_t _seq; uint8_t* _buf; int _pos; int _size; virtual void outputJPEG(uint8_t c, int status); // from decodeMJPEG void callback_motion_jpeg(uint16_t frame, uint8_t* buf, int len); void init(); void onDisconnect(); };