Simple USBHost WebCam test program
Dependencies: F401RE-USBHost mbed
Fork of KL46Z-USBHostC270_example by
WebカメラからJPEG画像を読み取るテストプログラムです。
使い方はKL46Z-USBHostC270_exampleと同じです。
動作確認カメラ: Logitech C270, Logitech C210, Logitech Q200R(Qcam Orbit AF), LifeCam VX-500
Diff: KL46Z-USBHostC270/BaseUvc.cpp
- Revision:
- 1:22304b8f8395
- Parent:
- 0:a72d9b047d8d
- Child:
- 2:2a40888db9fc
diff -r a72d9b047d8d -r 22304b8f8395 KL46Z-USBHostC270/BaseUvc.cpp --- a/KL46Z-USBHostC270/BaseUvc.cpp Mon Jan 27 11:07:34 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,56 +0,0 @@ -// BaseUvc.cpp -#include "USBHostConf.h" -#include "USBHost.h" -//#include "USBIsochronous.h" -#include "BaseUvc.h" - -void BaseUvc::poll() -{ - uint8_t buf[ep_iso_in.getSize()]; - int result = host->IsochronousRead(&ep_iso_in, buf, sizeof(buf)); - if (result >= 0) { - uint16_t frame = 0; - onResult(frame, buf, result); - } -} - -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; -} -