<?php //DOMANDA: 0x55 0x82 0x30 0x01 0x33 0x33 0x91 //RISPOSTA: 0x55 0x82 0xB0 0x01 0x00 0x05 0x72 function CheckSumCalculation($hex) { $dsum=0; for ($i=0; $i < strlen($hex)-1; $i+=2){ $dsum += hexdec($hex[$i].$hex[$i+1]); } $NotSum = ~$dsum; $ChkSum = substr(dechex($NotSum), -2); return $ChkSum; } $LstIA = array("64","65","66","67","68","69","6A","6B","6C"); foreach ($LstIA as &$addr) { $value = $addr * 2; $DXPcmd = "558210".$addr."3333"; $DXPcmd .= CheckSumCalculation($DXPcmd); echo "<BR>".$DXPcmd; } ?>
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