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@5:8a2d056e9b38, 2013-02-11 (annotated)

Committer:
va009039
Date:
Mon Feb 11 12:00:47 2013 +0000
Revision:
5:8a2d056e9b38
Parent:
4:d931d24c2f81 
add GetStringDescriptor()

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 4:d931d24c2f81 1 // BaseUsbHostUvc.cpp 2013/1/11
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 4:d931d24c2f81 14 uint8_t cc = itd->ConditionCode();
va009039 1:3b7bc4f87a61 15 report_cc_count[cc]++;
va009039 4:d931d24c2f81 16 if (cc == 0) {
va009039 4:d931d24c2f81 17 uint16_t frame = itd->StartingFrame();
va009039 4:d931d24c2f81 18 int fc = itd->FrameCount();
va009039 1:3b7bc4f87a61 19 uint8_t* buf = const_cast<uint8_t*>(itd->buf);
va009039 1:3b7bc4f87a61 20 int mps = m_isoEp->m_PacketSize;
va009039 2:fe1e62051d88 21 for(int i = 0; i < fc; i++) {
va009039 4:d931d24c2f81 22 uint16_t psw = itd->OffsetPSW[i];
va009039 4:d931d24c2f81 23 cc = psw>>12;
va009039 1:3b7bc4f87a61 24 if (cc == 0 || cc == 9) {
va009039 4:d931d24c2f81 25 int len = psw & 0x7ff;
va009039 1:3b7bc4f87a61 26 onResult(frame, buf, len);
va009039 1:3b7bc4f87a61 27 }
va009039 1:3b7bc4f87a61 28 report_ps_cc_count[cc]++;
va009039 1:3b7bc4f87a61 29 buf += mps;
va009039 1:3b7bc4f87a61 30 frame++;
va009039 1:3b7bc4f87a61 31 }
va009039 1:3b7bc4f87a61 32 }
va009039 4:d931d24c2f81 33 delete itd;
va009039 1:3b7bc4f87a61 34 }
va009039 1:3b7bc4f87a61 35 }
va009039 1:3b7bc4f87a61 36
va009039 1:3b7bc4f87a61 37 int BaseUvc::Control(int req, int cs, int index, uint8_t* buf, int size)
va009039 1:3b7bc4f87a61 38 {
va009039 1:3b7bc4f87a61 39 TEST_ASSERT(m_ctlEp);
va009039 4:d931d24c2f81 40 if (m_ctlEp == NULL) {
va009039 4:d931d24c2f81 41 return USB_ERROR;
va009039 4:d931d24c2f81 42 }
va009039 1:3b7bc4f87a61 43 int rc;
va009039 1:3b7bc4f87a61 44 if (req == SET_CUR) {
va009039 1:3b7bc4f87a61 45 rc = m_ctlEp->controlSend(
va009039 1:3b7bc4f87a61 46 USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE,
va009039 1:3b7bc4f87a61 47 req, cs<<8, index, buf, size);
va009039 1:3b7bc4f87a61 48 return rc;
va009039 1:3b7bc4f87a61 49 }
va009039 1:3b7bc4f87a61 50 rc = m_ctlEp->controlReceive(
va009039 1:3b7bc4f87a61 51 USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE,
va009039 1:3b7bc4f87a61 52 req, cs<<8, index, buf, size);
va009039 1:3b7bc4f87a61 53 return rc;
va009039 1:3b7bc4f87a61 54 }
va009039 1:3b7bc4f87a61 55
va009039 1:3b7bc4f87a61 56 void BaseUvc::onResult(uint16_t frame, uint8_t* buf, int len)
va009039 1:3b7bc4f87a61 57 {
va009039 1:3b7bc4f87a61 58 if(m_pCbItem && m_pCbMeth)
va009039 1:3b7bc4f87a61 59 (m_pCbItem->*m_pCbMeth)(frame, buf, len);
va009039 1:3b7bc4f87a61 60 else if(m_pCb)
va009039 1:3b7bc4f87a61 61 m_pCb(frame, buf, len);
va009039 1:3b7bc4f87a61 62 }
va009039 1:3b7bc4f87a61 63
va009039 1:3b7bc4f87a61 64 void BaseUvc::setOnResult( void (*pMethod)(uint16_t, uint8_t*, int) )
va009039 1:3b7bc4f87a61 65 {
va009039 1:3b7bc4f87a61 66 m_pCb = pMethod;
va009039 1:3b7bc4f87a61 67 m_pCbItem = NULL;
va009039 1:3b7bc4f87a61 68 m_pCbMeth = NULL;
va009039 1:3b7bc4f87a61 69 }
va009039 1:3b7bc4f87a61 70
va009039 1:3b7bc4f87a61 71 void BaseUvc::clearOnResult()
va009039 1:3b7bc4f87a61 72 {
va009039 1:3b7bc4f87a61 73 m_pCb = NULL;
va009039 1:3b7bc4f87a61 74 m_pCbItem = NULL;
va009039 1:3b7bc4f87a61 75 m_pCbMeth = NULL;
va009039 1:3b7bc4f87a61 76 }