Norimasa Okamoto / Mbed 2 deprecated WebcamServer

Webcam Server.

Dependencies:   uvchost FatFileSystem mbed HTTPServer NetServicesMin

usb/UsbHostMgr2.cpp@0:2b4ea8a138e5, 2012-06-06 (annotated)

Committer:
va009039
Date:
Wed Jun 06 11:47:06 2012 +0000
Revision:
0:2b4ea8a138e5

        

        
Who changed what in which revision?

        

            
                
UserRevisionLine numberNew contents of line

            
            


va009039

0:2b4ea8a138e5


     1

#include "UsbHostMgr.h"





va009039

0:2b4ea8a138e5


     2

//#define __DEBUG





va009039

0:2b4ea8a138e5


     3

#include "mydbg.h"





va009039

0:2b4ea8a138e5


     4







va009039

0:2b4ea8a138e5


     5

UsbDevice* UsbHostMgr::getDeviceByClass(uint8_t IfClass, int count)





va009039

0:2b4ea8a138e5


     6

{





va009039

0:2b4ea8a138e5


     7

    DBG("IfClass=%02X count=%d\n", IfClass, count);





va009039

0:2b4ea8a138e5


     8

    for(int i = 0; i < USB_HOSTMGR_MAX_DEVS; i++) {





va009039

0:2b4ea8a138e5


     9

       UsbDevice* dev = m_lpDevices[i];





va009039

0:2b4ea8a138e5


    10

       if (dev) {





va009039

0:2b4ea8a138e5


    11

           if(dev->m_connected && dev->m_enumerated) {





va009039

0:2b4ea8a138e5


    12

               if (dev->m_InterfaceClass == IfClass) { // found





va009039

0:2b4ea8a138e5


    13

                   if (count-- <= 0) {





va009039

0:2b4ea8a138e5


    14

                       return dev;





va009039

0:2b4ea8a138e5


    15

                   }





va009039

0:2b4ea8a138e5


    16

               }





va009039

0:2b4ea8a138e5


    17

           }





va009039

0:2b4ea8a138e5


    18

       }





va009039

0:2b4ea8a138e5


    19

    }





va009039

0:2b4ea8a138e5


    20

    return NULL;





va009039

0:2b4ea8a138e5


    21

}





va009039

0:2b4ea8a138e5


    22







va009039

0:2b4ea8a138e5


    23

void UsbHostMgr::onUsbDeviceConnected(int hub, int port)





va009039

0:2b4ea8a138e5


    24

{





va009039

0:2b4ea8a138e5


    25

  DBG("%p hub=%d port=%d\n", this, hub, port);





va009039

0:2b4ea8a138e5


    26

  for(int i = 0; i < USB_HOSTMGR_MAX_DEVS; i++) {





va009039

0:2b4ea8a138e5


    27

      UsbDevice* dev = m_lpDevices[i];





va009039

0:2b4ea8a138e5


    28

      if (dev) {





va009039

0:2b4ea8a138e5


    29

          if (dev->m_hub == hub && dev->m_port == port) { // skip





va009039

0:2b4ea8a138e5


    30

              return;





va009039

0:2b4ea8a138e5


    31

          }





va009039

0:2b4ea8a138e5


    32

      }





va009039

0:2b4ea8a138e5


    33

  }





va009039

0:2b4ea8a138e5


    34

  





va009039

0:2b4ea8a138e5


    35

  int item = devicesCount();





va009039

0:2b4ea8a138e5


    36

  DBG_ASSERT(item < USB_HOSTMGR_MAX_DEVS);





va009039

0:2b4ea8a138e5


    37

  if( item == USB_HOSTMGR_MAX_DEVS )





va009039

0:2b4ea8a138e5


    38

    return; //List full...





va009039

0:2b4ea8a138e5


    39

  //Find a free address (not optimized, but not really important)





va009039

0:2b4ea8a138e5


    40

  int addr = 1;





va009039

0:2b4ea8a138e5


    41

  for(int i = 0; i < item; i++)





va009039

0:2b4ea8a138e5


    42

  {





va009039

0:2b4ea8a138e5


    43

    DBG_ASSERT(m_lpDevices[i]);





va009039

0:2b4ea8a138e5


    44

    addr = MAX( addr, m_lpDevices[i]->m_addr + 1 );





va009039

0:2b4ea8a138e5


    45

  }





va009039

0:2b4ea8a138e5


    46

  DBG("item=%d addr=%d\n", item, addr);





va009039

0:2b4ea8a138e5


    47

  UsbDevice* dev = new UsbDevice( this, hub, port, addr );





va009039

0:2b4ea8a138e5


    48

  DBG_ASSERT(dev);





va009039

0:2b4ea8a138e5


    49

  dev->m_connected = true;





va009039

0:2b4ea8a138e5


    50

  m_lpDevices[item] = dev;





va009039

0:2b4ea8a138e5


    51

}