Diff: uvc/usb_itd.cpp

Revision:

1:7a4f2c038803

Parent:

0:2b4ea8a138e5

--- a/uvc/usb_itd.cpp	Wed Jun 06 11:47:06 2012 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,117 +0,0 @@
-#include "mbed.h"
-#include "usb_itd.h"
-#define __DEBUG
-#include "mydbg.h"
-
-usb_itd::usb_itd(HCITD* itd)
-{
-    DBG_ASSERT(itd);
-    m_itd = itd;
-}
-
-bool usb_itd::Done()
-{
-    int cc = (m_itd->Control >> 28);
-    if (cc == 0xe || cc == 0xf) { // not accessed?
-        return false;
-    }
-    if (m_itd->Next) {
-        return false;
-    }
-    return true;
-}
-
-int usb_itd::ConditionCode()
-{
-    int cc = (m_itd->Control >> 28);
-    return cc;
-}
-
-uint16_t usb_itd::get_psw(int n)
-{
-    DBG_ASSERT(n >= 0 && n <= 7);
-    DBG_ASSERT(m_itd);
-    uint16_t psw = 0;
-    switch(n) {
-        case 0: psw = m_itd->OffsetPSW10;       break;
-        case 1: psw = m_itd->OffsetPSW10 >> 16; break;
-        case 2: psw = m_itd->OffsetPSW32;       break;
-        case 3: psw = m_itd->OffsetPSW32 >> 16; break;
-        case 4: psw = m_itd->OffsetPSW54;       break;
-        case 5: psw = m_itd->OffsetPSW54 >> 16; break;
-        case 6: psw = m_itd->OffsetPSW76;       break;
-        case 7: psw = m_itd->OffsetPSW76 >> 16; break;
-    }
-    return psw;
-}
-
-uint16_t usb_itd::StartingFrame()
-{
-    return (m_itd->Control & ITD_SF);
-}
-
-int usb_itd::FrameCount()
-{
-    DBG_ASSERT(m_itd);
-    int fc = ((m_itd->Control & ITD_FC) >> 24) + 1;
-    DBG_ASSERT(fc >= 1 && fc <= 8); 
-    return fc; 
-}
-
-int usb_itd::PacketStatus(int n)
-{
-    DBG_ASSERT(n >=0 && n <= 7);
-    uint16_t psw = get_psw(n);
-    int cc = (psw >> 12) & 0xf;
-    return cc;
-}
-
-int usb_itd::Length(int n)
-{
-    DBG_ASSERT(n >=0 && n <= 7);
-    uint16_t psw = get_psw(n);
-    int size = psw & 0x7ff;
-    int cc = (psw >> 12) & 0xf;
-    if (cc == 0xe || cc == 0xf) {
-        return -1;
-    }
-    if (cc == 0 || cc == 9) {
-        return size;
-    }
-    debug();
-    return -1;
-}
-
-uint8_t* usb_itd::BufferPage(int n, int size)
-{
-    DBG_ASSERT(n >=0 && n <= 7);
-    DBG_ASSERT(size >= 128 && size <= 956);
-    uint8_t* buf = (uint8_t*)m_itd->BufferPage0 + n * size;
-    DBG_ASSERT((uint32_t)(buf+size-1) <= m_itd->BufferEnd);
-    return buf;
-}
-
-void usb_itd::free()
-{
-    DBG_ASSERT(m_itd);
-    if (m_itd) {
-        uint8_t* buf = (uint8_t*)m_itd->BufferPage0;
-        DBG_ASSERT(buf);
-        usb_free_bp(buf);
-        usb_free_itd((byte*)m_itd);
-        m_itd = NULL;
-    }
-}
-
-void usb_itd::debug()
-{
-    DBG("itd             =%08X\n", m_itd);
-    DBG("itd->Control    =%08X\n", m_itd->Control);
-    DBG("itd->BufferPage0=%08X\n", m_itd->BufferPage0); 
-    DBG("itd->Next       =%08X\n", m_itd->Next); 
-    DBG("itd->BufferEnd  =%08X\n", m_itd->BufferEnd); 
-    DBG("itd->OffsetPSW10=%08X\n", m_itd->OffsetPSW10);
-    DBG("itd->OffsetPSW32=%08X\n", m_itd->OffsetPSW32);
-    DBG("itd->OffsetPSW54=%08X\n", m_itd->OffsetPSW54);
-    DBG("itd->OffsetPSW76=%08X\n", m_itd->OffsetPSW76);
-}