Norimasa Okamoto / Mbed 2 deprecated F401RE-USBHostC270_example

Simple USBHost WebCam test program

Dependencies:   F401RE-USBHost mbed

Fork of KL46Z-USBHostC270_example by Norimasa Okamoto

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
/media/uploads/va009039/f401re-c270-1.jpg /media/uploads/va009039/k64f-c270.jpg

KL46Z_USBHostC270/BaseUvc.cpp@2:2a40888db9fc, 2014-01-31 (annotated)

Committer:
va009039
Date:
Fri Jan 31 13:50:15 2014 +0000
Revision:
2:2a40888db9fc
Parent:
1:22304b8f8395 
USB hub support.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 0:a72d9b047d8d 1 // BaseUvc.cpp
va009039 0:a72d9b047d8d 2 #include "USBHostConf.h"
va009039 0:a72d9b047d8d 3 #include "USBHost.h"
va009039 0:a72d9b047d8d 4 #include "BaseUvc.h"
va009039 0:a72d9b047d8d 5
va009039 0:a72d9b047d8d 6 void BaseUvc::poll()
va009039 0:a72d9b047d8d 7 {
va009039 2:2a40888db9fc 8 uint8_t buf[ep_iso_in->getSize()];
va009039 2:2a40888db9fc 9 int result = host->IsochronousRead(ep_iso_in, buf, sizeof(buf));
va009039 0:a72d9b047d8d 10 if (result >= 0) {
va009039 0:a72d9b047d8d 11 uint16_t frame = 0;
va009039 2:2a40888db9fc 12 onResult(frame, buf, ep_iso_in->getLengthTransferred());
va009039 0:a72d9b047d8d 13 }
va009039 0:a72d9b047d8d 14 }
va009039 0:a72d9b047d8d 15
va009039 0:a72d9b047d8d 16 USB_TYPE BaseUvc::Control(int req, int cs, int index, uint8_t* buf, int size)
va009039 0:a72d9b047d8d 17 {
va009039 0:a72d9b047d8d 18 if (req == SET_CUR) {
va009039 0:a72d9b047d8d 19 return host->controlWrite(dev,
va009039 0:a72d9b047d8d 20 USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE,
va009039 0:a72d9b047d8d 21 req, cs<<8, index, buf, size);
va009039 0:a72d9b047d8d 22 }
va009039 0:a72d9b047d8d 23 return host->controlRead(dev,
va009039 0:a72d9b047d8d 24 USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE,
va009039 0:a72d9b047d8d 25 req, cs<<8, index, buf, size);
va009039 0:a72d9b047d8d 26 }
va009039 0:a72d9b047d8d 27
va009039 0:a72d9b047d8d 28 USB_TYPE BaseUvc::setInterfaceAlternate(uint8_t intf, uint8_t alt)
va009039 0:a72d9b047d8d 29 {
va009039 0:a72d9b047d8d 30 return host->controlWrite(dev, USB_HOST_TO_DEVICE | USB_RECIPIENT_INTERFACE,
va009039 0:a72d9b047d8d 31 SET_INTERFACE, alt, intf, NULL, 0);
va009039 0:a72d9b047d8d 32 }
va009039 0:a72d9b047d8d 33
va009039 0:a72d9b047d8d 34 void BaseUvc::onResult(uint16_t frame, uint8_t* buf, int len)
va009039 0:a72d9b047d8d 35 {
va009039 0:a72d9b047d8d 36 if(m_pCbItem && m_pCbMeth)
va009039 0:a72d9b047d8d 37 (m_pCbItem->*m_pCbMeth)(frame, buf, len);
va009039 0:a72d9b047d8d 38 else if(m_pCb)
va009039 0:a72d9b047d8d 39 m_pCb(frame, buf, len);
va009039 0:a72d9b047d8d 40 }
va009039 0:a72d9b047d8d 41
va009039 0:a72d9b047d8d 42 void BaseUvc::setOnResult( void (*pMethod)(uint16_t, uint8_t*, int) )
va009039 0:a72d9b047d8d 43 {
va009039 0:a72d9b047d8d 44 m_pCb = pMethod;
va009039 0:a72d9b047d8d 45 m_pCbItem = NULL;
va009039 0:a72d9b047d8d 46 m_pCbMeth = NULL;
va009039 0:a72d9b047d8d 47 }
va009039 0:a72d9b047d8d 48
va009039 0:a72d9b047d8d 49 void BaseUvc::clearOnResult()
va009039 0:a72d9b047d8d 50 {
va009039 0:a72d9b047d8d 51 m_pCb = NULL;
va009039 0:a72d9b047d8d 52 m_pCbItem = NULL;
va009039 0:a72d9b047d8d 53 m_pCbMeth = NULL;
va009039 0:a72d9b047d8d 54 }
va009039 0:a72d9b047d8d 55