Diff: USBHost/Endpoint.cpp

Revision:

9:c9e9817c398c

Parent:

8:0d1ec493842c

Child:

10:08bce4cd973a

Child:

12:a712bad7a979

--- a/USBHost/Endpoint.cpp	Mon Jul 30 13:51:34 2012 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,233 +0,0 @@
-/* Copyright (c) 2010-2011 mbed.org, MIT License
-*
-* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
-* and associated documentation files (the "Software"), to deal in the Software without
-* restriction, including without limitation the rights to use, copy, modify, merge, publish,
-* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
-* Software is furnished to do so, subject to the following conditions:
-*
-* The above copyright notice and this permission notice shall be included in all copies or
-* substantial portions of the Software.
-*
-* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
-* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-
-#define __DEBUG__ 0 //Maximum verbosity
-#ifndef __MODULE__
-#define __MODULE__ "Endpoint.cpp"
-#endif
-
-#include "dbg.h"
-#include <cstdint>
-
-#include "Endpoint.h"
-
-
-void Endpoint::init(HCED * hced, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir, uint32_t size, uint8_t ep_number, HCTD* td_list[2]) {
-    this->hced = hced;
-    this->type = type;
-    this->dir = /*(type == CONTROL_ENDPOINT) ? OUT :*/ dir;
-    setup = (type == CONTROL_ENDPOINT) ? true : false;
-
-    //TDs have been allocated by the host
-    memcpy((HCTD**)this->td_list, td_list, sizeof(HCTD*)*2); //TODO: Maybe should add a param for td_list size... at least a define
-    memcpy(td_list[0], 0, sizeof(HCTD));
-    memcpy(td_list[1], 0, sizeof(HCTD));
-
-    this->hced->control = 0;
-    //Empty queue
-    this->hced->tailTD = (uint32_t)td_list[0];
-    this->hced->headTD = (uint32_t)td_list[0];
-    this->hced->nextED = 0;
-
-    this->hced->control = ((ep_number & 0x7F) << 7)                         // Endpoint address
-                          | (type != CONTROL_ENDPOINT ? ( dir << 11) : 0 )  // direction : Out = 1, 2 = In
-                          | ((size & 0x3ff) << 16);                         // MaxPkt Size
-                          
-    //carry = false;
-    transfer_len = 0;
-    transferred = 0;
-    buf_start = 0;
-    nextEp = NULL;
-
-    td_current = td_list[0];
-    td_next = td_list[1];
-
-    state = USB_TYPE_IDLE;
-}
-
-void Endpoint::setSize(uint32_t size) {
-    hced->control &= ~(0x3ff << 16);
-    hced->control |= (size << 16);
-}
-
-
-uint32_t Endpoint::getSize() {
-    return (hced->control >> 16) & 0x3ff;
-}
-
-void Endpoint::setDeviceAddress(uint8_t addr) {
-    hced->control &= ~(0x7f);
-    hced->control |= (addr & 0x7F);
-}
-
-uint8_t Endpoint::getDeviceAddress() {
-    return hced->control & 0x7f;
-}
-
-void Endpoint::setSpeed(uint8_t speed) {
-    if(speed) {
-        DBG("SET LOW SPEED");
-    }
-    hced->control &= ~(1 << 13);
-    hced->control |= (speed << 13);
-}
-
-
-void Endpoint::setNextToken(uint32_t token) { //Only for control Eps
-    switch (token) {
-        case TD_SETUP:
-            dir = OUT;
-            setup = true;
-            break;
-        case TD_IN:
-            dir = IN;
-            setup = false;
-            break;
-        case TD_OUT:
-            dir = OUT;
-            setup = false;
-            break;
-    }
-}
-
-volatile HCTD* Endpoint::getNextTD()
-{
-  return td_current/*(HCTD*) hced->tailTD*/; //It's the tailing one
-}
-
-void Endpoint::queueTransfer() {
-  //Try with OHCI impl
-  //Caller of getNextTD() has now populated the td
-  //So insert it into queue
-
-  //Find an OTHER free td
-  //TODO: if we had more than 2 tds, this would have to be changed
-  /*HCTD* toSendTD = (HCTD*) hced->tailTD;*/
-  //HCTD* freeTD;
-/*
-  if( hced->tailTD == td_list[0] )
-  {
-    freeTD = td_list[1];
-  }
-  else *//*if( hced->tailTD == (uint32_t) td_list[1] )*/
-  /*{
-    freeTD = td_list[0];
-  }
-  */
-
-  /*
-  freeTD->control = 0;
-  freeTD->currBufPtr = 0;
-  freeTD->bufEnd = 0;
-  freeTD->nextTD = 0;
-
-  td_current = toSendTD;
-*/
-  transfer_len = td_current->bufEnd - td_current->currBufPtr + 1;
-  transferred = transfer_len;
-  buf_start = td_current->currBufPtr;
-
-  //No add this free TD at this end of the queue
-  state = USB_TYPE_PROCESSING;
-  td_current->nextTD = (volatile uint32_t)td_next;
-  hced->tailTD = (volatile uint32_t)td_next;
-
-  #if 0
-    // if TD list empty -> we put the head of the list
-    if (!hced->headTD) {
-        state = USB_TYPE_IDLE;
-        hced->headTD = (uint32_t)(td);
-        hced->tailTD = (uint32_t)(td);
-        tailTD = (HCTD *) (hced->headTD);
-        //DBG("queue null transfer: endpoint: %p,  %08X\r\n", this, (uint32_t)(td));
-    } else {
-        state = USB_TYPE_PROCESSING;
-        td->nextTD = (uint32_t)headTD & ~(0x0f);
-        hced->headTD = (uint32_t)(td) | ((carry) ? 0x2 : 0);
-    }
-    headTD = (HCTD *) ((hced->headTD) & ~(0x3));
-    transfer_len = td->bufEnd - td->currBufPtr + 1;
-    transferred = transfer_len;
-    buf_start = td->currBufPtr;
-#endif
-    //printf("queue real transfer: endpoint: %p \t headTD: %p \t head: %08X \t tail: %08X \t td: %08X \t nexttd: %08X\r\n", this, hced->headTD, hced->headTD, ((HCTD *)((hced->headTD) & ~(0x0f)))->nextTD, toSendTD, toSendTD->nextTD);
-}
-
-volatile HCTD * Endpoint::getProcessedTD()
-{
-  return td_current;
-}
-
-void Endpoint::setLengthTransferred(int len) {
-    transferred = len;
-}
-
-uint32_t Endpoint::getBufStart() {
-    return buf_start;
-}
-
-void Endpoint::unqueueTransfer(volatile HCTD * td) {
-    //printf("unqueue transfer: %p on endpoint: %p\r\n", (void *)td, this);
-    //headTD = tailTD; //FIXME FIXME
-//  hced->headTD = hced->headTD | (td->  & 0x02);
-  if(td != td_current)
-  {
-    ERR("MISMATCH");
-    ERR("this=%p, td_current = %p, td_next=%p, td=%p", this, td_current, td_next, td);
-    error("");
-  }
-  td->control=0;
-  td->currBufPtr=0;
-  td->bufEnd=0;
-  td->nextTD=0;
-  hced->headTD = hced->tailTD | (hced->headTD & 0x2); //Carry bit
-  td_current = td_next;
-  td_next = td;
-  DBG("current:%p, next:%p", td_current, td_next);
-}
-
-ENDPOINT_TYPE Endpoint::getType() {
-    return type;
-}
-
-
-Endpoint * Endpoint::nextEndpoint() {
-    return (Endpoint*)nextEp;
-}
-
-
-void Endpoint::queueEndpoint(Endpoint * ed) {
-    nextEp = ed;
-    hced->nextED = (ed == NULL) ? 0 : (uint32_t)ed->getHCED();
-}
-
-volatile HCED * Endpoint::getHCED() {
-    return hced;
-}
-
-
-volatile HCTD * Endpoint::getHeadTD() {
-    //return headTD;
-  return (volatile HCTD*) (hced->headTD & ~0xF);
-}
-
-volatile HCTD ** Endpoint::getTDList()
-{
-  return td_list;
-}