testing n-Bed with a Logitech C270 camera
Fork of USBHostC270_example by
USBHostC270/BaseUvc.cpp
- Committer:
- va009039
- Date:
- 2013-03-20
- Revision:
- 12:ea4badc78215
- Parent:
- 11:6a8eef89eb22
File content as of revision 12:ea4badc78215:
// BaseUvc.cpp #include "USBHostConf.h" #include "USBHost.h" #include "USBIsochronous.h" #include "BaseUvc.h" void BaseUvc::poll(int millisec) { HCITD* itd = m_isoEp->isochronousReceive(millisec); if (itd) { uint8_t cc = itd->ConditionCode(); report_cc_count[cc]++; if (cc == 0) { uint16_t frame = itd->StartingFrame(); int fc = itd->FrameCount(); uint8_t* buf = const_cast<uint8_t*>(itd->buf); int mps = m_isoEp->m_PacketSize; for(int i = 0; i < fc; i++) { uint16_t psw = itd->OffsetPSW[i]; cc = psw>>12; if (cc == 0 || cc == 9) { int len = psw & 0x7ff; onResult(frame, buf, len); } report_ps_cc_count[cc]++; buf += mps; frame++; } } delete itd; } } USB_TYPE BaseUvc::Control(int req, int cs, int index, uint8_t* buf, int size) { if (req == SET_CUR) { return host->controlWrite(dev, USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE, req, cs<<8, index, buf, size); } return host->controlRead(dev, USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE, req, cs<<8, index, buf, size); } USB_TYPE BaseUvc::setInterfaceAlternate(uint8_t intf, uint8_t alt) { return host->controlWrite(dev, USB_HOST_TO_DEVICE | USB_RECIPIENT_INTERFACE, SET_INTERFACE, alt, intf, NULL, 0); } void BaseUvc::onResult(uint16_t frame, uint8_t* buf, int len) { if(m_pCbItem && m_pCbMeth) (m_pCbItem->*m_pCbMeth)(frame, buf, len); else if(m_pCb) m_pCb(frame, buf, len); } void BaseUvc::setOnResult( void (*pMethod)(uint16_t, uint8_t*, int) ) { m_pCb = pMethod; m_pCbItem = NULL; m_pCbMeth = NULL; } void BaseUvc::clearOnResult() { m_pCb = NULL; m_pCbItem = NULL; m_pCbMeth = NULL; }