Webcam Server.
Dependencies: uvchost FatFileSystem mbed HTTPServer NetServicesMin
usb/UsbBaseClass.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?
User | Revision | Line number | New contents of line |
---|---|---|---|
va009039 | 0:2b4ea8a138e5 | 1 | #include "UsbBaseClass.h" |
va009039 | 0:2b4ea8a138e5 | 2 | //#define __DEBUG |
va009039 | 0:2b4ea8a138e5 | 3 | #include "mydbg.h" |
va009039 | 0:2b4ea8a138e5 | 4 | |
va009039 | 0:2b4ea8a138e5 | 5 | UsbBaseClass::UsbBaseClass() |
va009039 | 0:2b4ea8a138e5 | 6 | { |
va009039 | 0:2b4ea8a138e5 | 7 | if (m_pHost == NULL) { |
va009039 | 0:2b4ea8a138e5 | 8 | m_pHost = new UsbHostMgr; |
va009039 | 0:2b4ea8a138e5 | 9 | DBG_ASSERT(m_pHost); |
va009039 | 0:2b4ea8a138e5 | 10 | m_pHost->init(); |
va009039 | 0:2b4ea8a138e5 | 11 | } |
va009039 | 0:2b4ea8a138e5 | 12 | DBG("m_pHost=%p\n", m_pHost); |
va009039 | 0:2b4ea8a138e5 | 13 | } |
va009039 | 0:2b4ea8a138e5 | 14 | |
va009039 | 0:2b4ea8a138e5 | 15 | UsbErr UsbBaseClass::Usb_poll(int timeout, int timeout2) |
va009039 | 0:2b4ea8a138e5 | 16 | { |
va009039 | 0:2b4ea8a138e5 | 17 | DBG("%p %d %d\n", this, timeout, timeout2); |
va009039 | 0:2b4ea8a138e5 | 18 | Timer t; |
va009039 | 0:2b4ea8a138e5 | 19 | t.reset(); |
va009039 | 0:2b4ea8a138e5 | 20 | t.start(); |
va009039 | 0:2b4ea8a138e5 | 21 | Timer t2; |
va009039 | 0:2b4ea8a138e5 | 22 | t2.reset(); |
va009039 | 0:2b4ea8a138e5 | 23 | t2.start(); |
va009039 | 0:2b4ea8a138e5 | 24 | while(t.read_ms() < timeout) { |
va009039 | 0:2b4ea8a138e5 | 25 | UsbErr rc = m_pHost->poll(); |
va009039 | 0:2b4ea8a138e5 | 26 | if (rc == USBERR_PROCESSING) { |
va009039 | 0:2b4ea8a138e5 | 27 | t2.reset(); |
va009039 | 0:2b4ea8a138e5 | 28 | } |
va009039 | 0:2b4ea8a138e5 | 29 | if (t2.read_ms() > timeout2) { |
va009039 | 0:2b4ea8a138e5 | 30 | DBG("%p t=%d\n", this, t.read_ms()); |
va009039 | 0:2b4ea8a138e5 | 31 | return USBERR_OK; |
va009039 | 0:2b4ea8a138e5 | 32 | } |
va009039 | 0:2b4ea8a138e5 | 33 | wait_ms(50); |
va009039 | 0:2b4ea8a138e5 | 34 | } |
va009039 | 0:2b4ea8a138e5 | 35 | return USBERR_PROCESSING; |
va009039 | 0:2b4ea8a138e5 | 36 | } |
va009039 | 0:2b4ea8a138e5 | 37 | |
va009039 | 0:2b4ea8a138e5 | 38 | UsbHostMgr* UsbBaseClass::m_pHost = NULL; |