Norimasa Okamoto / BaseUsbHost

USB host library, support isochronous,bulk,interrupt and control.

Dependents:   BaseUsbHost_example BaseJpegDecode_example SimpleJpegDecode_example

Import programBaseUsbHost_example

BaseUsbHost example program

Last commit 25 Jan 2013 by Norimasa Okamoto

BaseUsbHostUvc.cpp@2:fe1e62051d88, 2012-12-11 (annotated)

Committer:
va009039
Date:
Tue Dec 11 15:26:54 2012 +0000
Revision:
2:fe1e62051d88
Parent:
1:3b7bc4f87a61
Child:
3:ae77d63a1eda
bug fix

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 2:fe1e62051d88 1 // BaseUsbHostUvc.cpp 2012/12/11
va009039 1:3b7bc4f87a61 2 #include "mbed.h"
va009039 1:3b7bc4f87a61 3 #include "rtos.h"
va009039 1:3b7bc4f87a61 4 #include "BaseUsbHost.h"
va009039 1:3b7bc4f87a61 5 #define DEBUG
va009039 1:3b7bc4f87a61 6 #include "BaseUsbHostDebug.h"
va009039 1:3b7bc4f87a61 7 #define TEST
va009039 1:3b7bc4f87a61 8 #include "BaseUsbHostTest.h"
va009039 1:3b7bc4f87a61 9
va009039 2:fe1e62051d88 10 void BaseUvc::poll(int millisec)
va009039 1:3b7bc4f87a61 11 {
va009039 2:fe1e62051d88 12 HCITD* itd = m_isoEp->isochronousReveive(millisec);
va009039 1:3b7bc4f87a61 13 if (itd) {
va009039 1:3b7bc4f87a61 14 uint8_t cc = itd->Control>>28;
va009039 1:3b7bc4f87a61 15 report_cc_count[cc]++;
va009039 1:3b7bc4f87a61 16 if (cc == 0) { // ConditionCode
va009039 1:3b7bc4f87a61 17 //DBG_ITD(itd);
va009039 1:3b7bc4f87a61 18 uint16_t frame = itd->Control & 0xffff;
va009039 2:fe1e62051d88 19 int fc = ((itd->Control>>24)&7)+1;
va009039 2:fe1e62051d88 20 TEST_ASSERT(fc == m_isoEp->m_FrameCount);
va009039 1:3b7bc4f87a61 21 uint8_t* buf = const_cast<uint8_t*>(itd->buf);
va009039 1:3b7bc4f87a61 22 int mps = m_isoEp->m_PacketSize;
va009039 2:fe1e62051d88 23 for(int i = 0; i < fc; i++) {
va009039 1:3b7bc4f87a61 24 uint16_t pswn = itd->OffsetPSW[i];
va009039 1:3b7bc4f87a61 25 cc = pswn>>12;
va009039 1:3b7bc4f87a61 26 if (cc == 0 || cc == 9) {
va009039 1:3b7bc4f87a61 27 int len = pswn & 0x7ff;
va009039 1:3b7bc4f87a61 28 onResult(frame, buf, len);
va009039 1:3b7bc4f87a61 29 }
va009039 1:3b7bc4f87a61 30 report_ps_cc_count[cc]++;
va009039 1:3b7bc4f87a61 31 buf += mps;
va009039 1:3b7bc4f87a61 32 frame++;
va009039 1:3b7bc4f87a61 33 }
va009039 1:3b7bc4f87a61 34 }
va009039 1:3b7bc4f87a61 35 m_isoEp->delete_HCTD(reinterpret_cast<HCTD*>(itd));
va009039 1:3b7bc4f87a61 36 }
va009039 1:3b7bc4f87a61 37 }
va009039 1:3b7bc4f87a61 38
va009039 1:3b7bc4f87a61 39 int BaseUvc::Control(int req, int cs, int index, uint8_t* buf, int size)
va009039 1:3b7bc4f87a61 40 {
va009039 1:3b7bc4f87a61 41 TEST_ASSERT(m_ctlEp);
va009039 1:3b7bc4f87a61 42 int rc;
va009039 1:3b7bc4f87a61 43 if (req == SET_CUR) {
va009039 1:3b7bc4f87a61 44 rc = m_ctlEp->controlSend(
va009039 1:3b7bc4f87a61 45 USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE,
va009039 1:3b7bc4f87a61 46 req, cs<<8, index, buf, size);
va009039 1:3b7bc4f87a61 47 return rc;
va009039 1:3b7bc4f87a61 48 }
va009039 1:3b7bc4f87a61 49 rc = m_ctlEp->controlReceive(
va009039 1:3b7bc4f87a61 50 USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE,
va009039 1:3b7bc4f87a61 51 req, cs<<8, index, buf, size);
va009039 1:3b7bc4f87a61 52 return rc;
va009039 1:3b7bc4f87a61 53 }
va009039 1:3b7bc4f87a61 54
va009039 1:3b7bc4f87a61 55 void BaseUvc::onResult(uint16_t frame, uint8_t* buf, int len)
va009039 1:3b7bc4f87a61 56 {
va009039 1:3b7bc4f87a61 57 if(m_pCbItem && m_pCbMeth)
va009039 1:3b7bc4f87a61 58 (m_pCbItem->*m_pCbMeth)(frame, buf, len);
va009039 1:3b7bc4f87a61 59 else if(m_pCb)
va009039 1:3b7bc4f87a61 60 m_pCb(frame, buf, len);
va009039 1:3b7bc4f87a61 61 }
va009039 1:3b7bc4f87a61 62
va009039 1:3b7bc4f87a61 63 void BaseUvc::setOnResult( void (*pMethod)(uint16_t, uint8_t*, int) )
va009039 1:3b7bc4f87a61 64 {
va009039 1:3b7bc4f87a61 65 m_pCb = pMethod;
va009039 1:3b7bc4f87a61 66 m_pCbItem = NULL;
va009039 1:3b7bc4f87a61 67 m_pCbMeth = NULL;
va009039 1:3b7bc4f87a61 68 }
va009039 1:3b7bc4f87a61 69
va009039 1:3b7bc4f87a61 70 void BaseUvc::clearOnResult()
va009039 1:3b7bc4f87a61 71 {
va009039 1:3b7bc4f87a61 72 m_pCb = NULL;
va009039 1:3b7bc4f87a61 73 m_pCbItem = NULL;
va009039 1:3b7bc4f87a61 74 m_pCbMeth = NULL;
va009039 1:3b7bc4f87a61 75 }
va009039 1:3b7bc4f87a61 76