Satellite Observers Workbench. NOT yet complete, just published for forum posters to \"cherry pick\" pieces of code as requiered as an example.
usbeh_endpoint.cpp
00001 /**************************************************************************** 00002 * Copyright 2010 Andy Kirkham, Stellar Technologies Ltd 00003 * 00004 * This file is part of the Satellite Observers Workbench (SOWB). 00005 * 00006 * SOWB is free software: you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation, either version 3 of the License, or 00009 * (at your option) any later version. 00010 * 00011 * SOWB is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with SOWB. If not, see <http://www.gnu.org/licenses/>. 00018 * 00019 * $Id: main.cpp 5 2010-07-12 20:51:11Z ajk $ 00020 * 00021 ***************************************************************************/ 00022 00023 #include "sowb.h" 00024 #include "usbeh.h" 00025 #include "usbeh_endpoint.h" 00026 00027 int USBEH_Endpoint::address(void) { 00028 int address = (endpointDescriptor.control >> 7) & 0xf; 00029 if (address) { 00030 address |= flags & 0x80; 00031 } 00032 return address; 00033 } 00034 00035 int USBEH_Endpoint::device(void) { 00036 return endpointDescriptor.control & 0x7f; 00037 } 00038 00039 int USBEH_Endpoint::status(void) { 00040 return (tdHead.control >> 28) & 0xF; 00041 } 00042 00043 USBEH_U32 USBEH_Endpoint::queue(USBEH_U32 head) { 00044 if (currentState == notQueued) { 00045 endpointDescriptor.next = head; 00046 head = (USBEH_U32)&endpointDescriptor; 00047 currentState = idle; 00048 } 00049 return head; 00050 }
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