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This extension allows the direct access the parallel and serial(rs232) port in reading and writing by the DLL inpout32.dll under WIN9x/NT/2000/XP for any assembly. An example of concret application? Complete house automation with Web interface and php, connection hardware of any nature with the ports like assemblies simple or to complicate. One idea simple but quite practical... Extension and source was compiled with Delphi 6, sources and example included.
Note : Last version always on http://www.phpcs.com/code.aspx?ID=36224
Functions :
int iol_input(integer pattern)
boolean iol_output(integer pattern, integer pattern)
string iol_info()
iol_input(port)
iol_output(port, value)
iol_info()
Exemple :
File iol_ouput.php,
| <?php
require_once("class/php_iol.class.php");
$DemoPhpIOL = new php_iol();
for($i=0; $i<255; $i++) {
$DemoPhpIOL->WriteIOOutput(888, $i); // 888dec of 378hex
usleep(1550);
}
echo "Output port 888(378h) value 0 : ";
if($DemoPhpIOL->WriteIOOutput(888, 0)) {echo "Ok";}else{echo "Error";}
?> | |
File iol_input.php,
| <?php
require_once("class/php_iol.class.php");
$DemoPhpIOL = new php_iol();
$RcvByte = $DemoPhpIOL->GetIOInput(889); // Base(378h) + 1 = 889
echo "<b>Input value : ".$rcv."</b><br>";
if($RcvByte > 127) {
$RcvByte = $RcvByte -128;
echo "Busy : true<br>";
}else{
echo "Busy : false<br>";
}
if($RcvByte > 63) {
$RcvByte = $RcvByte -64;
echo "Ack : true<br>";
}else{
echo "Ack : false<br>";
}
if($RcvByte > 31) {
$RcvByte = $RcvByte -32;
echo "Pe : true<br>";
}else{
echo "Pe : false<br>";
}
if($RcvByte > 15) {
$RcvByte = $RcvByte -16;
echo "Select : true<br>";
}else{
echo "Select : false<br>";
}
if($RcvByte > 7) {
$RcvByte = $RcvByte -8;
echo "Error : true<br>";
}else{
echo "Error : false<br>";
}
?> | |
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