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00204                                 localmachine.defgw = 0;
00205                                 localmachine.netmask = 0;
00206 
00207                                 <a class="code" href="timers_8c.html#a6">init_timer</a>(<a class="code" href="bootp_8c.html#a6">bootp</a>.tmrhandle, ((UINT32)(localmachine.localHW[0]) &lt;&lt; 2) + localmachine.localHW[1]);
00208                                 <a class="code" href="bootp_8c.html#a6">bootp</a>.state = <a class="code" href="bootp_8h.html#a5">BOOTPC_STATE_REQUEST_NEEDED</a>;
00209                         }
00210 
00211                         <span class="keywordflow">return</span>;
00212 
00213                 <span class="keywordflow">case</span> <a class="code" href="bootp_8h.html#a5">BOOTPC_STATE_REQUEST_NEEDED</a>:
00214 
00215                         <span class="keywordflow">if</span>( <a class="code" href="timers_8c.html#a7">check_timer</a>(<a class="code" href="bootp_8c.html#a6">bootp</a>.tmrhandle) != 0 )
00216                                 <span class="keywordflow">return</span>;
00217 
00218                         <span class="comment">/* Send request */</span>
00219 
00220                         <span class="keywordflow">if</span>(localmachine.localip != 0){
00221                                 <a class="code" href="bootp_8c.html#a6">bootp</a>.state = <a class="code" href="bootp_8h.html#a4">BOOTPC_STATE_ENABLED</a>;
00222                                 <span class="keywordflow">return</span>;
00223 
00224                         }
00225 
00226                         i = 0;
00227 
00228                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x01;
00229                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x01;
00230                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x06;
00231                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x00;
00232                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0xCA;
00233                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x03;
00234                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x32;
00235                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0xF1;
00236 
00237                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = (UINT8)(<a class="code" href="bootp_8c.html#a6">bootp</a>.bootsecs &gt;&gt; 8);
00238                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = (UINT8)<a class="code" href="bootp_8c.html#a6">bootp</a>.bootsecs;
00239 
00240                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x80;
00241 
00242                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x00;
00243                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x00;
00244                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x00;
00245                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x00;
00246                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x00;
00247                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x00;
00248                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x00;
00249                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x00;
00250                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x00;
00251                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x00;
00252                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x00;
00253                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x00;
00254                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x00;
00255                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x00;
00256                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x00;
00257                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x00;
00258                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 0x00;
00259 
00260                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = localmachine.localHW[5];
00261                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = localmachine.localHW[4];
00262                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = localmachine.localHW[3];
00263                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = localmachine.localHW[2];
00264                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = localmachine.localHW[1];
00265                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = localmachine.localHW[0];
00266 
00267                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 99;
00268                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 130;
00269                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 83;
00270                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 99;
00271                         net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i++] = 255;
00272 
00273                         <span class="keywordflow">for</span>( ;i&lt;300;i++)
00274                                 net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a> + i] = 0;
00275 
00276                         <span class="comment">/* Send it      */</span>
00277 
00278                         <a class="code" href="udp_8c.html#a7">udp_send</a>(<a class="code" href="bootp_8c.html#a6">bootp</a>.sochandle, IP_BROADCAST_ADDRESS, <a class="code" href="bootp_8h.html#a2">BOOTP_SERVERPORT</a>, &amp;net_buf[<a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a>], <a class="code" href="group__opentcp__config.html#a4">NETWORK_TX_BUFFER_SIZE</a> - <a class="code" href="tcp__ip_8h.html#a62">UDP_APP_OFFSET</a>, 300);
00279 
00280                         <a class="code" href="timers_8c.html#a6">init_timer</a>(<a class="code" href="bootp_8c.html#a6">bootp</a>.tmrhandle, <a class="code" href="bootp_8h.html#a0">BOOTP_RETRY_TOUT</a>*<a class="code" href="timers_8h.html#a1">TIMERTIC</a>);
00281 
00282                         <a class="code" href="bootp_8c.html#a6">bootp</a>.bootsecs += <a class="code" href="bootp_8h.html#a0">BOOTP_RETRY_TOUT</a>*<a class="code" href="timers_8h.html#a1">TIMERTIC</a>;
00283 
00284                         <a class="code" href="bootp_8c.html#a6">bootp</a>.state = <a class="code" href="bootp_8h.html#a6">BOOTPC_STATE_WAITING_REPLY</a>;
00285 
00286                         <span class="keywordflow">return</span>;
00287 
00288                 <span class="keywordflow">case</span> <a class="code" href="bootp_8h.html#a6">BOOTPC_STATE_WAITING_REPLY</a>:
00289 
00290                         <span class="comment">/* Wait untill timeout elapsed and try again    */</span>
00291 
00292                         <span class="keywordflow">if</span>( <a class="code" href="timers_8c.html#a7">check_timer</a>(<a class="code" href="bootp_8c.html#a6">bootp</a>.tmrhandle) != 0 )
00293                                 <span class="keywordflow">return</span>;
00294 
00295                         <a class="code" href="bootp_8c.html#a6">bootp</a>.state = <a class="code" href="bootp_8h.html#a5">BOOTPC_STATE_REQUEST_NEEDED</a>;
00296 
00297                         <span class="keywordflow">return</span>;
00298 
00299                 <span class="keywordflow">case</span> <a class="code" href="bootp_8h.html#a7">BOOTPC_STATE_REPLY_GET</a>:
00300                         <span class="comment">/* parameters configured. Inspect state of bootp.mode</span>
00301 <span class="comment">                         * and do something (if needed). Also turn BOOTP client</span>
00302 <span class="comment">                         * on/off.</span>
00303 <span class="comment">                         */</span>
00304 
00305                         <span class="keywordflow">return</span>;
00306 
00307 
00308                 <span class="keywordflow">default</span>:
00309 
00310                         <span class="keywordflow">return</span>;
00311         }
00312 
00313 }
00314 
<a name="l00335"></a><a class="code" href="bootp_8c.html#a11">00335</a> INT32 <a class="code" href="bootp_8c.html#a11">bootpc_eventlistener</a> (INT8 cbhandle, UINT8 event, UINT32 remip, UINT16 remport, UINT16 bufindex, UINT16 dlen) {
00336         INT16 i,j,k;
00337         UINT32 ip = 0;
00338         UINT32 nm = 0;
00339         UINT32 dgw = 0;
00340         UINT8 ch;
00341 
00342 
00343         <span class="comment">/* This function is called by UDP stack to inform about events  */</span>
00344 
00345         <span class="keywordflow">if</span>(<a class="code" href="bootp_8c.html#a0">bootp_app_init</a> == 0)
00346                 <span class="keywordflow">return</span>(-1);
00347 
00348         <span class="keywordflow">if</span>( cbhandle != <a class="code" href="bootp_8c.html#a6">bootp</a>.sochandle)                <span class="comment">/* Not our handle       */</span>
00349                 <span class="keywordflow">return</span>(-1);
00350 
00351         <span class="comment">/* The only event is data       */</span>
00352 
00353         <span class="keywordflow">if</span>(<a class="code" href="bootp_8c.html#a6">bootp</a>.state != <a class="code" href="bootp_8h.html#a6">BOOTPC_STATE_WAITING_REPLY</a>)
00354                 <span class="keywordflow">return</span>(-1);
00355 
00356         <span class="comment">/* Process reply        */</span>
00357 
00358         <a class="code" href="system_8h.html#a14">NETWORK_RECEIVE_INITIALIZE</a>(bufindex);
00359 
00360         <span class="keywordflow">if</span>(dlen &lt; 300)
00361                 <span class="keywordflow">return</span>(-1);
00362 
00363         <span class="keywordflow">if</span>(     <a class="code" href="system_8h.html#a9">RECEIVE_NETWORK_B</a>() != BOOTP_REPLY)
00364                 <span class="keywordflow">return</span>(-1);
00365 
00366         <span class="keywordflow">if</span>(     <a class="code" href="system_8h.html#a9">RECEIVE_NETWORK_B</a>() != BOOTP_HTYPE_ETHERNET)
00367                 <span class="keywordflow">return</span>(-1);
00368 
00369         <span class="keywordflow">if</span>(     <a class="code" href="system_8h.html#a9">RECEIVE_NETWORK_B</a>() != BOOTP_HWLEN_ETHERNET)
00370                 <span class="keywordflow">return</span>(-1);
00371 
00372         <a class="code" href="system_8h.html#a9">RECEIVE_NETWORK_B</a>();            <span class="comment">/* Skip hops    */</span>
00373 
00374         <span class="comment">/* Check transaction ID */</span>
00375 
00376         <span class="keywordflow">if</span>(     <a class="code" href="system_8h.html#a9">RECEIVE_NETWORK_B</a>() != 0xCA)