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LogitechC270 webcam class driver alpha version
Fork of USBHostMSD_HelloWorld by
USBHostCam/USBHostCam.h
- Committer:
- va009039
- Date:
- 2013-03-20
- Revision:
- 12:ea4badc78215
File content as of revision 12:ea4badc78215:
// USBHostCam.h #include "USBHostConf.h" #include "USBHost.h" #include "USBIsochronous.h" #include "BaseUvc.h" #include "decodeMJPEG.h" #pragma once #define _160x120 2 #define _176x144 3 #define _320x176 4 #define _320x240 5 #define _352x288 6 #define _432x240 7 #define _640x480 1 #define _544x288 8 #define _640x360 9 #define _752x416 10 #define _800x448 11 #define _800x600 12 #define TEST_ASSERT(A) while(!(A)){fprintf(stderr,"\n\n%s@%d %s ASSERT!\n\n",__PRETTY_FUNCTION__,__LINE__,#A);exit(1);}; struct CamInfo { uint16_t vid; uint16_t pid; uint8_t size; uint8_t option; // const char* name; uint8_t formatIndex; uint8_t frameIndex; uint32_t interval; uint8_t en; uint8_t mps; uint8_t if_alt; uint8_t frameCount; // ITD frame count 1-8 uint8_t queueLimit; // ITD queue limit 1-3 }; /** * A class to communicate a Cam */ class USBHostCam : public IUSBEnumerator, public BaseUvc, public decodeMJPEG { public: /** * Constructor * */ USBHostCam(uint8_t size = _160x120, uint8_t option = 0, CamInfo* user_caminfo = NULL); /** * Check if a Cam device is connected * * @return true if a Cam device is connected */ bool connected(); /** * Try to connect to a Cam 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 cam_intf; bool device_found; bool caminfo_found; uint8_t _seq; uint8_t* _buf; int _pos; int _size; CamInfo* CamInfoList; CamInfo* caminfo; uint8_t _caminfo_size; uint8_t _caminfo_option; 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(); };