modify for C210 webcam and Startboard Orange.

Dependencies:   TextLCD USBHost mbed

Fork of USBHostC270_example by Norimasa Okamoto

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。

USBHostC270/USBHostC270.h

Committer:
va009039
Date:
2013-03-16
Revision:
9:fecabade834a
Child:
10:387c49b2fc7e

File content as of revision 9:fecabade834a:

#include "USBHostConf.h"
#include "USBHost.h"
#include "BaseUvc.h"

#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

// --- 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;
class BaseUvc;
/** 
 * A class to communicate a C270
 */
class USBHostC270 : public IUSBEnumerator, public BaseUvc {
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();

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:
    USBHost * host;
    USBDeviceConnected * dev;
    bool dev_connected;

    int c270_intf;
    bool c270_device_found;
    bool c270_vid_pid_found;
    int _formatIndex;
    int _frameIndex;
    uint32_t _interval;

    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);
};