PHP编程：通过串口+GSM MODEM发送短信示例

hitl

<?php
/*-
* 版权没有，欢迎拷贝 (x) 2006 胖头鱼.
* 作者: pangty <pangty@ta139.com>
*
* $Id: RS232.php,v 0.1 2006-7-29 05:28 PM Exp $
*
* 运行环境：Windows XP，PHP 5.1.4 (cli)，MySQL
* php.ini
* extension=php_mysql.dll
* extension=php_dio.dll
* 硬件要求：熊猫 PM818A GSM/GPRS MODEM或其他任何GSM MODEM模块
* 相关知识：GSM AT指令集和PDU格式，去google吧
*
* mysql> use smsc;
* mysql> desc sm_submit;
* +----------+----------------------+------+-----+---------+----------------+
* | Field    | Type                 | Null | Key | Default | Extra          |
* +----------+----------------------+------+-----+---------+----------------+
* | smid     | int(11) unsigned     |      | PRI | NULL    | auto_increment |
* | OrgAddr  | varchar(11)          | YES  |     | NULL    |                |
* | DestAddr | varchar(11)          |      | PRI |         |                |
* | Time     | datetime             | YES  |     | NULL    |                |
* | USERDATA | mediumtext           | YES  |     | NULL    |                |
* | stat     | smallint(3) unsigned | YES  | MUL | NULL    |                |
* +----------+----------------------+------+-----+---------+----------------+
*
*/
function gb2unicode($str) {
return iconv(&quot;gb2312&quot;, &quot;UCS-2&quot;, $str);
}
function hex2str($hexstring) {
$str = '';
for($i=0; $i<strlen($hexstring); $i++){
$str .= sprintf(&quot;%02X&quot;,ord(substr($hexstring,$i,1)));
}
return $str;
}
function InvertNumbers($msisdn) {
$len = strlen($msisdn);
if ( 0 != fmod($len, 2) ) {
$msisdn .= &quot;F&quot;;
$len = $len + 1;
}
for ($i=0; $i<$len; $i+=2) {
$t = $msisdn[$i];
$msisdn[$i] = $msisdn[$i+1];
$msisdn[$i+1] = $t;
}
return $msisdn;
}
/*---------------主程序开始---------------*/
set_time_limit(0);
$DEBUG = 0;
exec('mode COM1: baud=115200 data=8 stop=1 parity=n xon=on');
$fd = dio_open('COM1:', O_RDWR);
if(!$fd)
{
        die(&quot;打开串口COM1失败&quot;);
}
$ff = dio_stat($fd);
print_r($ff);
echo &quot;GSMAT is start on COM1/n&quot;;
// 短信中心号码
$smsc = &quot;8613800538500&quot;;
// 短信最大长度70个汉字，Unicode表示需要280个字节
$max_len = 280;
$invert_smsc = InvertNumbers($smsc);
$sql = mysql_connect(&quot;localhost&quot;, &quot;pangty&quot;, &quot;pangty&quot;);
mysql_select_db(&quot;smsc&quot;,$sql);
$query = &quot;select * from sm_submit where stat=0&quot;;
$result = mysql_query($query, $sql);
$len = 1; $s = chr(13);
while ( $row = mysql_fetch_object($result) ) {
$msisdn = &quot;86&quot;. $row->DestAddr;
$sms_text = $row->USERDATA;
if ($DEBUG) echo date(&quot;Y-m-d H:i:s&quot;).&quot; DEBUG $row->DestAddr/n&quot;;
if ($DEBUG) echo date(&quot;Y-m-d H:i:s&quot;).&quot; DEBUG $sms_text/n&quot;;
$pdu_text = hex2str(gb2unicode($sms_text));
$invert_msisdn = InvertNumbers($msisdn);
// 拆分发送超过70汉字的短信(todo: 没有判断全英文的情况)
do {
$pdu_len = strlen($pdu_text);
if ( $pdu_len > $max_len ) {
$pdu_text1 = substr($pdu_text, 0, $max_len);
$pdu_text = substr($pdu_text, $max_len, $pdu_len - $max_len);
} else {
$pdu_text1 = $pdu_text;
$pdu_text = &quot;&quot;;
}
$pdu_len1 = sprintf(&quot;%02X&quot;, strlen($pdu_text1)/2);
$pdu_text1 = $pdu_len1 . $pdu_text1;
$pdu_text1 = &quot;11000D91&quot; . $invert_msisdn .&quot;000800&quot; . $pdu_text1;
$atcmd = &quot;AT+CMGS=&quot; . sprintf(&quot;%d&quot;, strlen($pdu_text1)/2) . chr(13);
$l = strlen($atcmd);
$ll = @dio_write($fd,$atcmd);
while ($l != $ll) {
sleep(10);
$ll = @dio_write($fd,$atcmd);
}
if ($DEBUG) echo date(&quot;Y-m-d H:i:s&quot;).&quot; DEBUG $atcmd/n&quot;;
do {
$data = dio_read($fd, $len);
echo $data;
} while ( $data != $s );
sleep(1);
$pdu_text1 = &quot;0891&quot; . $invert_smsc . $pdu_text1 . chr(26).chr(13);
$l = strlen($pdu_text1);
$ll = @dio_write($fd,$pdu_text1);
while ($l != $ll) {
sleep(10);
$ll = @dio_write($fd,$pdu_text1);
}
if ($DEBUG) echo date(&quot;Y-m-d H:i:s&quot;).&quot; DEBUG $pdu_text1/n&quot;;
do {
$data = dio_read($fd, $len);
echo $data;
} while ( $data != $s );
sleep(7);
} while ( $pdu_text != &quot;&quot; );
mysql_query(&quot;update sm_submit set stat=1 where smid=$row->smid&quot;, $sql);
}
mysql_close($sql);
dio_close($fd);
?>
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