avrgsm__api_8c.html

SMS傳送Sourcode,compiler with C,AT command

00252         encodedmsg = <a class="code" href="AVRGSM__tools_8h.html#a1">TOOLS__decodeCMGR</a>( ind );      <span class="comment">//Get encoded message from the data returned from the phone</span>
00253         i = <a class="code" href="AVRGSM__zip_8h.html#a4">ZIP_decompress</a>( encodedmsg, msgbuff );  <span class="comment">//Decompress this message</span>
00254 
00255         <span class="comment">//COM_puts( msgbuff );                      //Could be used during test, where the GSM modem is switched with a terminal application</span>
00256 
00257         <span class="keywordflow">return</span> i;
00258     }
00259 
00260     <span class="keywordflow">else</span>                                            <span class="comment">//Read != OK</span>
00261     {
00262         <span class="keywordflow">return</span> 0;
00263     }
00264 }
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<a class="anchor" name="a12" doxytag="AVRGSM_api.c::API_sendmsg" ></a><p>
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          <td class="md" nowrap valign="top"> int API_sendmsg           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">unsigned char *&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>msg</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap></td>
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      &nbsp;
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<p>
Send message. 
<p>
This function will take your user defined message, encode this text, add the header information found in AVRSMS_header.h. If successful, the message will be forwarded to the connected GSM modem<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td></td><td valign=top><em>*msg</em>&nbsp;</td><td>unsigned char pointer user defined message</td></tr>
  </table>
</dl>
<dl compact><dt><b>Return values:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td></td><td valign=top><em>1</em>&nbsp;</td><td>Success, message sent </td></tr>
    <tr><td></td><td valign=top><em>0</em>&nbsp;</td><td>Error doing compression </td></tr>
    <tr><td></td><td valign=top><em>-1</em>&nbsp;</td><td>No "&gt; " from phone </td></tr>
    <tr><td></td><td valign=top><em>-2</em>&nbsp;</td><td>No message sent acknowledge</td></tr>
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</dl>
<p>
Local variables 
<p>
Definition at line <a class="el" href="AVRGSM__api_8c-source.html#l00160">160</a> of file <a class="el" href="AVRGSM__api_8c-source.html">AVRGSM_api.c</a>.
<p>
References <a class="el" href="AVRGSM__api_8c-source.html#l00278">API_check_acknowledge()</a>, <a class="el" href="AVRGSM__api_8c-source.html#l00050">AT_CMGS</a>, <a class="el" href="AVRGSM__com_8c-source.html#l00224">COM_put_integer()</a>, <a class="el" href="AVRGSM__com_8c-source.html#l00198">COM_putchar()</a>, <a class="el" href="AVRGSM__com_8c-source.html#l00254">COM_puts()</a>, <a class="el" href="AVRGSM__com_8c-source.html#l00270">COM_putsf()</a>, <a class="el" href="AVRGSM__com_8c-source.html#l00101">COM_rx_on()</a>, <a class="el" href="AVRGSM__com_8c-source.html#l00085">COM_rx_reset()</a>, <a class="el" href="AVRGSM__com_8c-source.html#l00127">COM_setSearchString()</a>, <a class="el" href="AVRGSM__api_8c-source.html#l00051">CRLF</a>, <a class="el" href="AVRGSM__header_8h-source.html#l00044">HEADER_LEN</a>, <a class="el" href="AVRGSM__api_8c-source.html#l00042">msgbuff</a>, <a class="el" href="AVRGSM__com_8h-source.html#l00029">OK_</a>, <a class="el" href="AVRGSM__header_8h-source.html#l00031">PDU_HEADER</a>, <a class="el" href="AVRGSM__com_8h-source.html#l00031">READY_</a>, <a class="el" href="AVRGSM__zip_8c-source.html#l00040">ZIP_compress()</a>, and <a class="el" href="AVRGSM__zip_8c-source.html#l00187">ZIP_itoh()</a>.
<p>
Referenced by <a class="el" href="STATE__functions_8c-source.html#l00100">ST_send()</a>.
<p>
<pre class="fragment"><div>00161 {
00162 
00164   <span class="keywordtype">int</span> payload_len, len;                                           <span class="comment">//Total length of message, and length of user text</span>
00165   <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> payload_len_c[3], jump;
00166 
00167   <span class="comment">//Init</span>
00168   payload_len = len = 0;
00169   payload_len_c[0] = jump = <span class="charliteral">'\0'</span>;
00170 
00171   <span class="comment">//If necessary turn interrupts off</span>
00172   <span class="keywordflow">if</span>( ( payload_len = <a class="code" href="AVRGSM__zip_8h.html#a3">ZIP_compress</a>( msg, &amp;jump, msgbuff) ) == 0 ) <span class="comment">//Convert user text to pdu format</span>
00173   {
00174     <span class="keywordflow">return</span> 0;                                                     <span class="comment">//Something wrong happend during compression</span>
00175   }
00176 
00177   <span class="comment">//Compression ok</span>
00178   <span class="keywordflow">else</span>
00179   {
00180     <a class="code" href="AVRGSM__zip_8h.html#a7">ZIP_itoh</a>(payload_len, &amp;payload_len_c[0]);                     <span class="comment">//Convert Integer payload to hex in string format</span>
00181     len = <a class="code" href="AVRGSM__header_8h.html#a0">HEADER_LEN</a> + payload_len - jump;                        <span class="comment">//Calculate overall length</span>
00182 
00183     <a class="code" href="AVRGSM__com_8c.html#a13">COM_rx_reset</a>( );                                              <span class="comment">//Clear rx_buff</span>
00184     <a class="code" href="AVRGSM__com_8h.html#a11">COM_setSearchString</a>( READY_ );                                <span class="comment">//Set "&gt; " to be search string</span>
00185     <a class="code" href="AVRGSM__com_8h.html#a15">COM_putsf</a>( AT_CMGS );                                         <span class="comment">//Send message</span>
00186     <a class="code" href="AVRGSM__com_8h.html#a13">COM_put_integer</a>( len );                                       <span class="comment">//append length</span>
00187     <a class="code" href="AVRGSM__com_8h.html#a15">COM_putsf</a>( CRLF );                                            <span class="comment">//CR+LF</span>
00188     <a class="code" href="AVRGSM__com_8c.html#a14">COM_rx_on</a>( );                                                 <span class="comment">//Receiver on</span>
00189 
00190     <span class="comment">//Append payload</span>
00191     <span class="keywordflow">if</span>( <a class="code" href="AVRGSM__api_8c.html#a9">API_check_acknowledge</a>() &gt; 0 )                             <span class="comment">//Wait for acknowledge = "&gt; "</span>
00192     {
00193       <a class="code" href="AVRGSM__com_8c.html#a13">COM_rx_reset</a>( );                                            <span class="comment">//Clear rx_buff</span>
00194       <a class="code" href="AVRGSM__com_8h.html#a11">COM_setSearchString</a>( OK_ );                                 <span class="comment">//Set "OK" to be search string</span>
00195       <a class="code" href="AVRGSM__com_8h.html#a15">COM_putsf</a>( PDU_HEADER );
00196       <a class="code" href="AVRGSM__com_8h.html#a14">COM_puts</a>( payload_len_c );
00197       <a class="code" href="AVRGSM__com_8h.html#a14">COM_puts</a>( msgbuff );
00198       <a class="code" href="AVRGSM__com_8h.html#a12">COM_putchar</a>( 26 );
00199       <a class="code" href="AVRGSM__com_8c.html#a14">COM_rx_on</a>( );                                               <span class="comment">//Receiver on</span>
00200 
00201       <span class="keywordflow">if</span>( <a class="code" href="AVRGSM__api_8c.html#a9">API_check_acknowledge</a>() &gt; 0 )                           <span class="comment">//Acknowledge = OK</span>
00202       {
00203         <span class="keywordflow">return</span> 1;
00204       }
00205 
00206       <span class="keywordflow">else</span>                                                        <span class="comment">//Acknowledge != OK</span>
00207       {
00208         <span class="keywordflow">return</span> -2;
00209       }
00210 
00211     }
00212 
00213     <span class="keywordflow">else</span>                                                          <span class="comment">//Acknowledge != "&gt; "</span>
00214     {
00215         <span class="keywordflow">return</span> -1;
00216     }
00217   }
00218 }
</div></pre>
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<hr><h2>Variable Documentation</h2>
<a class="anchor" name="a5" doxytag="AVRGSM_api.c::AT_CMGD" ></a><p>
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          <td class="md" nowrap valign="top"> const unsigned char __flash <a class="el" href="AVRGSM__api_8c.html#a5">AT_CMGD</a>[] = "AT+CMGD="          </td>
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<p>
Delete message at index. 
<p>

<p>
Definition at line <a class="el" href="AVRGSM__api_8c-source.html#l00048">48</a> of file <a class="el" href="AVRGSM__api_8c-source.html">AVRGSM_api.c</a>.
<p>
Referenced by <a class="el" href="AVRGSM__api_8c-source.html#l00125">API_deletemsg()</a>.    </td>
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<a class="anchor" name="a6" doxytag="AVRGSM_api.c::AT_CMGR" ></a><p>
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          <td class="md" nowrap valign="top"> const unsigned char __flash <a class="el" href="AVRGSM__api_8c.html#a6">AT_CMGR</a>[] = "AT+CMGR="          </td>
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<p>
Read from index. 
<p>

<p>
Definition at line <a class="el" href="AVRGSM__api_8c-source.html#l00049">49</a> of file <a class="el" href="AVRGSM__api_8c-source.html">AVRGSM_api.c</a>.