Jason Engelman / Mbed 2 deprecated BlueUSB

BlueUSB with USB-> SERIAL (CP210x) GPIO pins working.

Dependencies:   mbed

Socket.cpp@0:a14eaa2e1445, 2010-04-23 (annotated)

Committer:
tecnosys
Date:
Fri Apr 23 05:04:28 2010 +0000
Revision:
0:a14eaa2e1445

        

        
Who changed what in which revision?

        

            
                
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/*





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Copyright (c) 2010 Peter Barrett





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Permission is hereby granted, free of charge, to any person obtaining a copy





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of this software and associated documentation files (the "Software"), to deal





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in the Software without restriction, including without limitation the rights





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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell





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copies of the Software, and to permit persons to whom the Software is





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furnished to do so, subject to the following conditions:





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The above copyright notice and this permission notice shall be included in





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all copies or substantial portions of the Software.





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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR





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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,





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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE





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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER





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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,





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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN





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THE SOFTWARE.





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*/





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#include <stdio.h>





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#include <stdlib.h>





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#include <stdio.h>





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#include <string.h>





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#include "Utils.h"





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#include "Socket.h"





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#define MAX_SOCKET_HANDLERS 3





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#define MAX_SOCKETS 16





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class SocketInternalPad





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{





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    public:





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    SocketInternal si;





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    u8  pad[8];





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};





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class SocketManager





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{





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    SocketHandler*  _handlers[MAX_SOCKET_HANDLERS];





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    SocketInternalPad  _sockets[MAX_SOCKETS];





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    public:





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    SocketManager()





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    {





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        memset(_handlers,0,sizeof(_handlers));





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        memset(_sockets,0,sizeof(_sockets));





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    }





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    SocketHandler* GetHandler(int type)





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    {





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        if (type < 1 || type > MAX_SOCKET_HANDLERS)





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            return 0;





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        return _handlers[type - 1];





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    }





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    SocketInternal* GetInternal(int s)





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    {





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        if (s < 1 || s > MAX_SOCKETS)





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            return 0;





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        return &_sockets[s - 1].si;





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    }





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    int RegisterSocketHandler(int type, SocketHandler* handler)





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    {





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       if (type < 1 || type > MAX_SOCKET_HANDLERS)





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            return ERR_SOCKET_TYPE_NOT_FOUND;





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        _handlers[type - 1] = handler;





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        return 0;





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    }





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    int Open(int type, SocketAddrHdr* addr, SocketCallback callback, void* userData)





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    {





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        SocketHandler* h = GetHandler(type);





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        if (!h)





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            return ERR_SOCKET_TYPE_NOT_FOUND;





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        for (int i = 0; i < MAX_SOCKETS; i++)





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        {





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            SocketInternal* si = (SocketInternal*)(_sockets+i);





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            if (si->ID == 0)





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            {





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                si->ID = i+1;





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                si->Type = type;





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                si->Callback = callback;





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                si->userData = userData;





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                return h->Open(si,addr);





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            }





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        }





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        return ERR_SOCKET_NONE_LEFT;





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    }





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    int Send(int socket, const u8* data, int len)





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    {





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        SocketInternal* si = GetInternal(socket);





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        if (!si || si->ID != socket)





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            return ERR_SOCKET_NOT_FOUND;





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        return GetHandler(si->Type)->Send(si,data,len);





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    }





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    int Close(int socket)





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    {





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        SocketInternal* si = GetInternal(socket);





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        if (!si || si->ID != socket)





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            return ERR_SOCKET_NOT_FOUND;





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        si->ID = 0;





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        return GetHandler(si->Type)->Close(si);





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    }





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};





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SocketManager gSocketManager;





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int Socket_Open(int type, SocketAddrHdr* addr, SocketCallback callback, void* userData)





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{





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    return gSocketManager.Open(type,addr,callback,userData);





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}





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int Socket_Send(int socket, const u8* data, int len)





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{





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    return gSocketManager.Send(socket,data,len);





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}





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int Socket_Close(int socket)





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{





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    return gSocketManager.Close(socket);





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}





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int RegisterSocketHandler(int type, SocketHandler* handler)





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{





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    return gSocketManager.RegisterSocketHandler(type,handler);





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}





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SocketInternal* GetSocketInternal(int socket)





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{





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    return gSocketManager.GetInternal(socket);





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}





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