![](/media/cache/profiles/45ab12afa05e563bb484781693dffc87.50x50_q85.jpg)
modify for C210 webcam and Startboard Orange.
Dependencies: TextLCD USBHost mbed
Fork of USBHostC270_example by
Norimasa Okamoto さんの http://mbed.org/users/va009039/code/USBHostC270_example/ を C210 webcam と StarBoard Orange での SD カード保存用に変更。
Diff: USBHostC270/USBHostC270.h
- Revision:
- 10:387c49b2fc7e
- Parent:
- 9:fecabade834a
- Child:
- 11:944c66b16508
--- a/USBHostC270/USBHostC270.h Sat Mar 16 13:07:55 2013 +0000 +++ b/USBHostC270/USBHostC270.h Sun Mar 17 13:22:13 2013 +0000 @@ -1,7 +1,9 @@ #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 @@ -24,33 +26,6 @@ #define C270_MPS 192 #define C270_IF_ALT 1 -// --- UVC -------------------------------------------------- -#define _30FPS 333333 -#define _25FPS 400000 -#define _20FPS 500000 -#define _15FPS 666666 -#define _10FPS 1000000 -#define _5FPS 2000000 -#define _1FPS 10000000 - -#define SET_CUR 0x01 -#define GET_CUR 0x81 -#define GET_MIN 0x82 -#define GET_MAX 0x83 -#define GET_RES 0x84 -#define GET_LEN 0x85 -#define GET_INFO 0x86 -#define GET_DEF 0x87 - -#define VS_PROBE_CONTROL 0x01 -#define VS_COMMIT_CONTROL 0x02 - -#define C270_DEBUG 1 -#ifdef C270_DEBUG -#define C270_DBG(x, ...) std::printf("[%s:%d]"x"\r\n", __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__); -#else -#define C270_DBG(...) while(0); -#endif #define TEST_ASSERT(A) while(!(A)){fprintf(stderr,"\n\n%s@%d %s ASSERT!\n\n",__PRETTY_FUNCTION__,__LINE__,#A);exit(1);}; class IsochronousEp; @@ -58,7 +33,7 @@ /** * A class to communicate a C270 */ -class USBHostC270 : public IUSBEnumerator, public BaseUvc { +class USBHostC270 : public IUSBEnumerator, public BaseUvc, public decodeMJPEG { public: /** * Constructor @@ -80,6 +55,16 @@ */ 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); @@ -87,8 +72,6 @@ virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used private: - USBHost * host; - USBDeviceConnected * dev; bool dev_connected; int c270_intf; @@ -97,9 +80,13 @@ 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(); - USB_TYPE setInterfaceAlternate(uint8_t intf, uint8_t alt); - USB_TYPE Control(int req, int cs, int index, uint8_t* buf, int size); + void onDisconnect(); }; -