testing n-Bed with a Logitech C270 camera
Fork of USBHostC270_example by
USBHostC270/USBHostC270.h@10:387c49b2fc7e, 2013-03-17 (annotated)
- Committer:
- va009039
- Date:
- Sun Mar 17 13:22:13 2013 +0000
- Revision:
- 10:387c49b2fc7e
- Parent:
- 9:fecabade834a
add readJPEG(), detach does not support.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
va009039 | 9:fecabade834a | 1 | #include "USBHostConf.h" |
va009039 | 9:fecabade834a | 2 | #include "USBHost.h" |
va009039 | 9:fecabade834a | 3 | #include "BaseUvc.h" |
va009039 | 10:387c49b2fc7e | 4 | #include "decodeMJPEG.h" |
va009039 | 9:fecabade834a | 5 | |
va009039 | 10:387c49b2fc7e | 6 | // Logitech C270 |
va009039 | 9:fecabade834a | 7 | #define C270_VID 0x046d |
va009039 | 9:fecabade834a | 8 | #define C270_PID 0x0825 |
va009039 | 9:fecabade834a | 9 | #define C270_160x120 2 |
va009039 | 9:fecabade834a | 10 | #define C270_176x144 3 |
va009039 | 9:fecabade834a | 11 | #define C270_320x176 4 |
va009039 | 9:fecabade834a | 12 | #define C270_320x240 5 |
va009039 | 9:fecabade834a | 13 | #define C270_352x288 6 |
va009039 | 9:fecabade834a | 14 | #define C270_432x240 7 |
va009039 | 9:fecabade834a | 15 | #define C270_640x480 1 |
va009039 | 9:fecabade834a | 16 | #define C270_544x288 8 |
va009039 | 9:fecabade834a | 17 | #define C270_640x360 9 |
va009039 | 9:fecabade834a | 18 | #define C270_752x416 10 |
va009039 | 9:fecabade834a | 19 | #define C270_800x448 11 |
va009039 | 9:fecabade834a | 20 | #define C270_800x600 12 |
va009039 | 9:fecabade834a | 21 | |
va009039 | 9:fecabade834a | 22 | #define C270_MJPEG 2 |
va009039 | 9:fecabade834a | 23 | #define C270_YUV2 1 |
va009039 | 9:fecabade834a | 24 | |
va009039 | 9:fecabade834a | 25 | #define C270_EN 0x81 |
va009039 | 9:fecabade834a | 26 | #define C270_MPS 192 |
va009039 | 9:fecabade834a | 27 | #define C270_IF_ALT 1 |
va009039 | 9:fecabade834a | 28 | |
va009039 | 9:fecabade834a | 29 | #define TEST_ASSERT(A) while(!(A)){fprintf(stderr,"\n\n%s@%d %s ASSERT!\n\n",__PRETTY_FUNCTION__,__LINE__,#A);exit(1);}; |
va009039 | 9:fecabade834a | 30 | |
va009039 | 9:fecabade834a | 31 | class IsochronousEp; |
va009039 | 9:fecabade834a | 32 | class BaseUvc; |
va009039 | 9:fecabade834a | 33 | /** |
va009039 | 9:fecabade834a | 34 | * A class to communicate a C270 |
va009039 | 9:fecabade834a | 35 | */ |
va009039 | 10:387c49b2fc7e | 36 | class USBHostC270 : public IUSBEnumerator, public BaseUvc, public decodeMJPEG { |
va009039 | 9:fecabade834a | 37 | public: |
va009039 | 9:fecabade834a | 38 | /** |
va009039 | 9:fecabade834a | 39 | * Constructor |
va009039 | 9:fecabade834a | 40 | * |
va009039 | 9:fecabade834a | 41 | */ |
va009039 | 9:fecabade834a | 42 | USBHostC270(int formatIndex = C270_MJPEG, int frameIndex = C270_160x120, uint32_t interval = _5FPS); |
va009039 | 9:fecabade834a | 43 | |
va009039 | 9:fecabade834a | 44 | /** |
va009039 | 9:fecabade834a | 45 | * Check if a C270 device is connected |
va009039 | 9:fecabade834a | 46 | * |
va009039 | 9:fecabade834a | 47 | * @return true if a MSD device is connected |
va009039 | 9:fecabade834a | 48 | */ |
va009039 | 9:fecabade834a | 49 | bool connected(); |
va009039 | 9:fecabade834a | 50 | |
va009039 | 9:fecabade834a | 51 | /** |
va009039 | 9:fecabade834a | 52 | * Try to connect to a C270 device |
va009039 | 9:fecabade834a | 53 | * |
va009039 | 9:fecabade834a | 54 | * @return true if connection was successful |
va009039 | 9:fecabade834a | 55 | */ |
va009039 | 9:fecabade834a | 56 | bool connect(); |
va009039 | 9:fecabade834a | 57 | |
va009039 | 10:387c49b2fc7e | 58 | /** |
va009039 | 10:387c49b2fc7e | 59 | * read jpeg image |
va009039 | 10:387c49b2fc7e | 60 | * |
va009039 | 10:387c49b2fc7e | 61 | * @param buf read buffer |
va009039 | 10:387c49b2fc7e | 62 | * @param size buffer size |
va009039 | 10:387c49b2fc7e | 63 | * @param timeout_ms timeout default 15sec |
va009039 | 10:387c49b2fc7e | 64 | * @return jpeg size if read success else -1 |
va009039 | 10:387c49b2fc7e | 65 | */ |
va009039 | 10:387c49b2fc7e | 66 | int readJPEG(uint8_t* buf, int size, int timeout_ms = 15*1000); |
va009039 | 10:387c49b2fc7e | 67 | |
va009039 | 9:fecabade834a | 68 | protected: |
va009039 | 9:fecabade834a | 69 | //From IUSBEnumerator |
va009039 | 9:fecabade834a | 70 | virtual void setVidPid(uint16_t vid, uint16_t pid); |
va009039 | 9:fecabade834a | 71 | 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 |
va009039 | 9:fecabade834a | 72 | virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used |
va009039 | 9:fecabade834a | 73 | |
va009039 | 9:fecabade834a | 74 | private: |
va009039 | 9:fecabade834a | 75 | bool dev_connected; |
va009039 | 9:fecabade834a | 76 | |
va009039 | 9:fecabade834a | 77 | int c270_intf; |
va009039 | 9:fecabade834a | 78 | bool c270_device_found; |
va009039 | 9:fecabade834a | 79 | bool c270_vid_pid_found; |
va009039 | 9:fecabade834a | 80 | int _formatIndex; |
va009039 | 9:fecabade834a | 81 | int _frameIndex; |
va009039 | 9:fecabade834a | 82 | uint32_t _interval; |
va009039 | 10:387c49b2fc7e | 83 | uint8_t _seq; |
va009039 | 10:387c49b2fc7e | 84 | uint8_t* _buf; |
va009039 | 10:387c49b2fc7e | 85 | int _pos; |
va009039 | 10:387c49b2fc7e | 86 | int _size; |
va009039 | 9:fecabade834a | 87 | |
va009039 | 10:387c49b2fc7e | 88 | virtual void outputJPEG(uint8_t c, int status); // from decodeMJPEG |
va009039 | 10:387c49b2fc7e | 89 | void callback_motion_jpeg(uint16_t frame, uint8_t* buf, int len); |
va009039 | 9:fecabade834a | 90 | void init(); |
va009039 | 10:387c49b2fc7e | 91 | void onDisconnect(); |
va009039 | 9:fecabade834a | 92 | }; |