usbeh_controller.h

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 #ifndef USBEH_CONTROLLER_H
00024 #define USBEH_CONTROLLER_H
00025 
00026 #include "usbeh.h"
00027 #include "usbeh_device.h"
00028 #include "usbeh_endpoint.h"
00029 
00030 class USBEH_Controller {
00031 
00032     public:
00033     
00034     USBEH_HCCA      hcca;
00035     USBEH_Endpoint  endpoints[USBEH_MAX_ENDPOINTS_TOTAL];
00036     USBEH_Endpoint  endpointZero;
00037     USBEH_HCTD      commonTail;
00038     USBEH_Setup     setupZero;
00039     USBEH_Device    devices[USBEH_MAX_DEVICES];
00040     
00041     USBEH_U32       frameNumber;
00042     USBEH_U08       callbacksPending;
00043     USBEH_U08       rootHubStatusChange;
00044     USBEH_U08       unused0;
00045     USBEH_U08       unused1;
00046     USBEH_U08       connectPending;
00047     USBEH_U08       connectCountdown;
00048     USBEH_U08       connectHub;
00049     USBEH_U08       connectPort;
00050     
00051     USBEH_U08       SRAM[0];
00052     
00053     // Methods.
00054     void    init(void);
00055     void    process(void);
00056     int     initHub(int device);
00057     int     transfer(USBEH_Endpoint *endpoint, int token, USBEH_U08 *data, int length, int state);
00058     bool    remove(USBEH_HCED *ed, volatile USBEH_HCED **queue);
00059     void    release(USBEH_Endpoint *endpoint);
00060     int     addEndpoint(int device, USBEH_endpointDescriptor *endpoint);
00061     int     addEndpoint(int device, int endpoint, int attributes, int maxPacketSize, int interval);
00062     int     addDevice(int hub, int port, bool isLowSpeed);
00063     int     addDeviceCore(int hub, int port, bool isLowSpeed);
00064     int     setConfigurationAndInterface(int device, int configuration, int interfaceNumber, USBEH_deviceDescriptor *desc);
00065     void    processDoneQueue(USBEH_U32 tdList);
00066     void    resetPort(int hub, int port);
00067     void    connect(int hub, int port, bool lowSpeed);
00068     void    disconnect(int hub, int port);
00069     void    hubStatusChange(int hub, int port, USBEH_U32 status);
00070     void    delayMS(int ms);
00071     void    initHW(USBEH_HCCA *cca);
00072     void    hubInterrupt(int device);
00073     static void hubInterruptCallback(int device, int endpoint, int status, USBEH_U08 *data, int length, void *userData);
00074     USBEH_HCTD * reverse(USBEH_HCTD *current);
00075     USBEH_Endpoint * getEndpoint(int device, int ep);
00076     USBEH_Endpoint * allocateEndpoint(int device, int endpointAddress, int type, int maxPacketSize);
00077 
00078 };
00079 
00080 
00081 // END #ifndef USBEH_CONTROLLER_H
00082 #endif