USBEndpoint.cpp

00001 /* mbed USBHost Library
00002  * Copyright (c) 2006-2013 ARM Limited
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00017 #include "USBHost.h"
00018 #include "BaseUsbHostDebug.h"
00019 #include "USBEndpoint.h"
00020 #include "BaseUsbHostTest.h"
00021 
00022 HCTD* USBEndpoint::get_queue_HCTD(uint32_t millisec)
00023 {
00024     for(int i = 0; i < 16; i++) {
00025         osEvent evt = m_queue.get(millisec);
00026         if (evt.status == osEventMessage) {
00027             HCTD* td = reinterpret_cast<HCTD*>(evt.value.p);
00028             TEST_ASSERT(td);
00029             uint8_t cc = td->ConditionCode();
00030             if (cc != 0) {
00031                 m_ConditionCode = cc;
00032                 DBG_TD(td);
00033             }
00034             return td;
00035         } else if (evt.status == osOK) {
00036             continue;
00037         } else if (evt.status == osEventTimeout) {
00038             return NULL;
00039         } else {
00040             DBG("evt.status: %02x\n", evt.status);
00041             TEST_ASSERT(evt.status == osEventMessage);
00042         }
00043     }
00044     return NULL;
00045 }
00046 
00047