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@1:22304b8f8395, 2014-01-28 (annotated)

Committer:
va009039
Date:
Tue Jan 28 06:54:16 2014 +0000
Revision:
1:22304b8f8395
Parent:
KL46Z-USBHostC270/BaseUvc.cpp@0:a72d9b047d8d
Child:
2:2a40888db9fc
support Logitech C210 Q200R, LifeCam VX-700(VX-500), Sonix Camera.

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 "USBIsochronous.h"
va009039 0:a72d9b047d8d 5 #include "BaseUvc.h"
va009039 0:a72d9b047d8d 6
va009039 0:a72d9b047d8d 7 void BaseUvc::poll()
va009039 0:a72d9b047d8d 8 {
va009039 0:a72d9b047d8d 9 uint8_t buf[ep_iso_in.getSize()];
va009039 0:a72d9b047d8d 10 int result = host->IsochronousRead(&ep_iso_in, buf, sizeof(buf));
va009039 0:a72d9b047d8d 11 if (result >= 0) {
va009039 0:a72d9b047d8d 12 uint16_t frame = 0;
va009039 0:a72d9b047d8d 13 onResult(frame, buf, result);
va009039 0:a72d9b047d8d 14 }
va009039 0:a72d9b047d8d 15 }
va009039 0:a72d9b047d8d 16
va009039 0:a72d9b047d8d 17 USB_TYPE BaseUvc::Control(int req, int cs, int index, uint8_t* buf, int size)
va009039 0:a72d9b047d8d 18 {
va009039 0:a72d9b047d8d 19 if (req == SET_CUR) {
va009039 0:a72d9b047d8d 20 return host->controlWrite(dev,
va009039 0:a72d9b047d8d 21 USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE,
va009039 0:a72d9b047d8d 22 req, cs<<8, index, buf, size);
va009039 0:a72d9b047d8d 23 }
va009039 0:a72d9b047d8d 24 return host->controlRead(dev,
va009039 0:a72d9b047d8d 25 USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE,
va009039 0:a72d9b047d8d 26 req, cs<<8, index, buf, size);
va009039 0:a72d9b047d8d 27 }
va009039 0:a72d9b047d8d 28
va009039 0:a72d9b047d8d 29 USB_TYPE BaseUvc::setInterfaceAlternate(uint8_t intf, uint8_t alt)
va009039 0:a72d9b047d8d 30 {
va009039 0:a72d9b047d8d 31 return host->controlWrite(dev, USB_HOST_TO_DEVICE | USB_RECIPIENT_INTERFACE,
va009039 0:a72d9b047d8d 32 SET_INTERFACE, alt, intf, NULL, 0);
va009039 0:a72d9b047d8d 33 }
va009039 0:a72d9b047d8d 34
va009039 0:a72d9b047d8d 35 void BaseUvc::onResult(uint16_t frame, uint8_t* buf, int len)
va009039 0:a72d9b047d8d 36 {
va009039 0:a72d9b047d8d 37 if(m_pCbItem && m_pCbMeth)
va009039 0:a72d9b047d8d 38 (m_pCbItem->*m_pCbMeth)(frame, buf, len);
va009039 0:a72d9b047d8d 39 else if(m_pCb)
va009039 0:a72d9b047d8d 40 m_pCb(frame, buf, len);
va009039 0:a72d9b047d8d 41 }
va009039 0:a72d9b047d8d 42
va009039 0:a72d9b047d8d 43 void BaseUvc::setOnResult( void (*pMethod)(uint16_t, uint8_t*, int) )
va009039 0:a72d9b047d8d 44 {
va009039 0:a72d9b047d8d 45 m_pCb = pMethod;
va009039 0:a72d9b047d8d 46 m_pCbItem = NULL;
va009039 0:a72d9b047d8d 47 m_pCbMeth = NULL;
va009039 0:a72d9b047d8d 48 }
va009039 0:a72d9b047d8d 49
va009039 0:a72d9b047d8d 50 void BaseUvc::clearOnResult()
va009039 0:a72d9b047d8d 51 {
va009039 0:a72d9b047d8d 52 m_pCb = NULL;
va009039 0:a72d9b047d8d 53 m_pCbItem = NULL;
va009039 0:a72d9b047d8d 54 m_pCbMeth = NULL;
va009039 0:a72d9b047d8d 55 }
va009039 0:a72d9b047d8d 56