Diff: WizFi310/WizFi310_msg.cpp

Revision:

0:df571f8f8c03

Child:

1:16e57103a7dd

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WizFi310/WizFi310_msg.cpp	Wed Oct 05 09:40:30 2016 +0000
@@ -0,0 +1,431 @@
+/*
+/* Copyright (C) 2013 gsfan, 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.
+ */
+/* Copyright (C) 2014 Wiznet, MIT License
+ *  port to the Wiznet Module WizFi310
+ */
+
+#include "WizFi310.h"
+
+#ifdef CFG_ENABLE_RTOS
+#undef WIZ_DBG
+#define WIZ_DBG(x, ...)
+#endif
+
+// This function is operating in ISR. So you can't use debug message.
+void WizFi310::recvData ( char c )
+{
+    static int cid, sub, len, count;
+
+    switch(_state.mode)
+    {
+        case MODE_COMMAND:
+            switch(c)
+            {
+                case 0:
+                case 0x0a:  // LF
+                case 0x0d:  // CR
+                break;
+
+                case '{':
+                _state.buf->flush();
+                _state.mode = MODE_DATA_RX;
+                sub = 0;
+                break;
+
+                default:
+                _state.buf->flush();
+                _state.buf->queue(c);
+                _state.mode = MODE_CMDRESP;
+                break;
+            }
+            break;
+
+        case MODE_CMDRESP:
+            switch(c)
+            {
+                case 0:
+                    break;
+                case 0x0a: // LF
+                    break;
+                case 0x0d: // CR
+                    if (_flow == 2) setRts(false);      // block
+                    _state.mode = MODE_COMMAND;
+                    parseMessage();
+                    if (_flow == 2) setRts(true);       // release
+                    break;
+                default:
+                    _state.buf->queue(c);
+                    break;
+            }
+            break;
+
+        case MODE_DATA_RX:
+            switch(sub)
+            {
+                case 0:
+                // cid
+                if( (c >= '0') && (c <= '9') )
+                {
+                    cid = x2i(c);
+                }
+                else if ( c == ',' )
+                {
+                    sub++;
+                    count = 0;
+                    len = 0;
+                }
+                else
+                {
+                    _state.mode = MODE_COMMAND;
+                }
+                break;
+
+            case 1:
+                // ip
+                if ((c >= '0' && c <= '9') || c == '.')
+                {
+                    _con[cid].ip[count] = c;
+                    count++;
+                }
+                else if( c == ',' )
+                {
+                    _con[cid].ip[count] = '\0';
+                    _con[cid].port = 0;
+                    sub++;
+                }
+                else
+                {
+                    _state.mode = MODE_COMMAND;
+                }
+                break;
+
+            case 2:
+                // port
+                if ( c >= '0' && c <= '9' )
+                {
+                    _con[cid].port = (_con[cid].port * 10) + ( c - '0' );
+                }
+                else if( c == ',')
+                {
+                    sub++;
+                    count = 0;
+                }
+                else
+                {
+                    _state.mode = MODE_COMMAND;
+                }
+                break;
+
+            case 3:
+                // data length
+                if ( c >= '0' && c <= '9' )
+                {
+                    //_con[cid].recv_length = (_con[cid].recv_length * 10) + (c - '0');
+                    len = (len * 10) + (c - '0');
+                }
+                else if( c == '}' )
+                {
+                    sub++;
+                    count = 0;
+                    _con[cid].recv_length = len;
+                }
+                else
+                {
+                    _state.mode = MODE_COMMAND;
+                }
+                break;
+
+            default:
+                if(_con[cid].buf != NULL)
+                {
+                    _con[cid].buf->queue(c);
+                    if(_con[cid].buf->available() > CFG_DATA_SIZE - 16 )
+                    {
+                        setRts(false);     // blcok
+                        _con[cid].received = true;
+                        WIZ_WARN("buf full");
+                    }
+                }
+                _con[cid].recv_length--;
+                if(_con[cid].recv_length == 0)
+                {
+                     //WIZ_DBG("recv cid: %d, count : %d, len : %d",cid, count, len);
+                    _con[cid].received = true;
+                    _state.mode = MODE_COMMAND;
+                }
+                break;
+            }
+            break;
+    }
+}
+
+
+#define MSG_TABLE_NUM 6
+#define RES_TABLE_NUM 7
+int WizFi310::parseMessage () {
+    int i;
+    char buf[128];
+
+    static const struct MSG_TABLE {
+        const char msg[24];
+        void (WizFi310::*func)(const char *);
+    } msg_table[MSG_TABLE_NUM] = {
+        {"[OK]",                    &WizFi310::msgOk},
+        {"[ERROR]",                 &WizFi310::msgError},
+        {"[ERROR:INVALIDINPUT]",    &WizFi310::msgError},
+        {"[CONNECT ",               &WizFi310::msgConnect},
+        {"[DISCONNECT ",            &WizFi310::msgDisconnect},
+        {"[LISTEN ",                &WizFi310::msgListen},
+    };
+    static const struct RES_TABLE{
+        const Response res;
+        void (WizFi310::*func)(const char *);
+    }res_table[RES_TABLE_NUM]={
+        {RES_NULL,          NULL},
+        {RES_MACADDRESS,    &WizFi310::resMacAddress},
+//      {RES_WJOIN,         &WizFi310::resWJOIN},
+        {RES_CONNECT,       &WizFi310::resConnect},
+        {RES_SSEND,         &WizFi310::resSSEND},
+        {RES_FDNS,          &WizFi310::resFDNS},
+        {RES_SMGMT,         &WizFi310::resSMGMT},
+        {RES_WSTATUS,       &WizFi310::resWSTATUS},
+    };
+
+
+    for( i=0; i<sizeof(buf); i++ )
+    {
+        if( _state.buf->dequeue(&buf[i]) == false ) break;
+    }
+
+    buf[i] = '\0';
+    //strncpy(_state.dbgRespBuf, buf, sizeof(buf) );
+    //WIZ_DBG("%s\r\n",_state.dbgRespBuf);
+
+    if(_state.res != RES_NULL)
+    {
+        for( i=0; i<RES_TABLE_NUM; i++)
+        {
+            if(res_table[i].res == _state.res)
+            {
+                //WIZ_DBG("parse res %d '%s'\r\n", i, buf);
+                if(res_table[i].func != NULL)
+                {
+                    (this->*(res_table[i].func))(buf);
+                }
+
+                if(res_table[i].res == RES_CONNECT && _state.n < 2)
+                    return -1;
+            }
+        }
+    }
+
+    for( i=0; i<MSG_TABLE_NUM; i++)
+    {
+        if( strncmp(buf, msg_table[i].msg, strlen(msg_table[i].msg)) == 0 )
+        {
+            //WIZ_DBG("parse msg '%s'\r\n", buf);
+            if(msg_table[i].func != NULL)
+            {
+                (this->*(msg_table[i].func))(buf);
+            }
+            return 0;
+        }
+    }
+
+    return -1;
+}
+
+
+void WizFi310::msgOk (const char *buf)
+{
+    _state.ok = true;
+}
+
+void WizFi310::msgError (const char *buf)
+{
+    _state.failure = true;
+}
+
+void WizFi310::msgConnect (const char *buf)
+{
+    int cid;
+
+    if (buf[9] < '0' || buf[9] > '8' || buf[10] != ']') return;
+
+    cid = x2i(buf[9]);
+
+    initCon(cid, true);
+    _state.cid = cid;
+    _con[cid].accept = true;
+    _con[cid].parent = cid;
+}
+
+void WizFi310::msgDisconnect (const char *buf)
+{
+    int cid;
+
+    if(buf[12] < '0' || buf[12] > '8' || buf[13] != ']')    return;
+
+    cid = x2i(buf[12]);
+    _con[cid].connected = false;
+}
+
+void WizFi310::msgListen (const char *buf)
+{
+    int cid;
+
+    if(buf[8] < '0' || buf[8] > '8' || buf[9] != ']')   return;
+
+    cid = x2i(buf[8]);
+    _state.cid = cid;
+}
+
+void WizFi310::resMacAddress (const char *buf)
+{
+    if( buf[2] == ':' && buf[5] == ':')
+    {
+        strncpy(_state.mac, buf, sizeof(_state.mac));
+        _state.mac[17] = 0;
+        _state.res = RES_NULL;
+
+        if(strncmp(_state.mac,CFG_DEFAULT_MAC,sizeof(CFG_DEFAULT_MAC)) == 0)
+            _state.ok = false;
+        _state.ok = true;
+    }
+}
+
+void WizFi310::resConnect (const char *buf)
+{
+    int cid;
+
+    if (buf[0] == '[' && buf[1] == 'O' && buf[2] == 'K' && buf[3] == ']')
+    {
+        _state.n++;
+    }
+    else if( buf[0] == '[' && buf[1] == 'C' && buf[2] == 'O' && buf[3] == 'N' &&
+              buf[4] == 'N' && buf[5] == 'E' && buf[6] == 'C' && buf[7] == 'T')
+    {
+        cid = x2i(buf[9]);
+        _state.cid = cid;
+        _state.n++;
+    }
+
+    if(_state.n >= 2)
+    {
+        _state.res = RES_NULL;
+        _state.ok = true;
+    }
+}
+
+void WizFi310::resSSEND (const char *buf)
+{
+    if(_state.cid != -1)
+    {
+        _state.res = RES_NULL;
+        _state.ok = true;
+    }
+}
+
+void WizFi310::resFDNS (const char *buf)
+{
+    int i;
+
+    for(i=0; i<strlen(buf); i++)
+    {
+        if( (buf[i] < '0' || buf[i] > '9') && buf[i] != '.' )
+        {
+            return;
+        }
+    }
+
+    strncpy(_state.resolv, buf, sizeof(_state.resolv));
+    _state.res = RES_NULL;
+}
+
+void WizFi310::resSMGMT (const char *buf)
+{
+    int cid, i;
+    char *c;
+
+    if( (buf[0] < '0' || buf[0] > '8') )    return;
+
+    cid = x2i(buf[0]);
+    if( cid != _state.cid )                 return;
+
+    // IP
+    c = (char*)(buf+6);
+    for( i=0; i<16; i++ )
+    {
+        if( *(c+i) == ':')
+        {
+            _con[cid].ip[i] = '\0';
+            i++;
+            break;
+        }
+        if( ( *(c+i) < '0' || *(c+i) > '9') && *(c+i) != '.' )  return;
+        _con[cid].ip[i] = *(c+i);
+    }
+
+    // Port
+    c = (c+i);
+    _con[cid].port = 0;
+    for( i=0; i<5; i++ )
+    {
+        if( *(c+i) == '/')                  break;
+        if( *(c+i) < '0' || *(c+i) > '9' )  return;
+
+        _con[cid].port = (_con[cid].port * 10) + ( *(c+i) - '0' );
+    }
+
+    _state.res = RES_NULL;
+}
+
+void WizFi310::resWSTATUS (const char *buf)
+{
+    int idx=0,sep_cnt=0;
+    int ip_idx=0,gw_idx=0;
+
+    if(_state.n == 0)
+    {
+        _state.n++;
+    }
+    else if(_state.n == 1)
+    {
+        for(idx=0;buf[idx]!='\r';idx++)
+        {
+            if(buf[idx] =='/')
+            {
+                sep_cnt++;
+                continue;
+            }
+
+            if( sep_cnt == 2)    // IP Address
+            {
+                _state.ip[ip_idx++] = buf[idx];
+            }
+            else if(sep_cnt == 3)
+            {
+                _state.gateway[gw_idx++] = buf[idx];
+            }
+        }
+        _state.ip[ip_idx] = '\0';
+        _state.gateway[gw_idx] = '\0';
+        _state.res = RES_NULL;
+    }
+}