send arabic letter to serial port

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I use datamax printer , I send to serial port by c# software to print arabic in labels

serialPort1.PortName = "COM1";
serialPort1.BaudRate = 9600;
serialPort1.Open();
//serialPort1.Encoding = Encoding.GetEncoding("windows-1256");
serialPort1.Encoding = Encoding.ASCII;
serialPort1.Write("\x02" + "L" + "\x0D");
serialPort1.Write("D12" + "\x0D");

serialPort1.Write("H20" + "\x0D");
string test_arab = "الحملله";
serialPort1.Write("190000202600010 " + test_arab + "\x0D");//text
//serialPort1.Write("B" + test_arab + "\x0D");
serialPort1.Write("Q" + ' ' + test_arab + "\x0D");
serialPort1.Write("E" + "\x0D");
serialPort1.Close();

the result in labels like this "???????"

how can i print arabic like "الحمد لله"

Posted 12-Apr-15 0:39am

Mohamed Abdelwahab

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[no name] 12-Apr-15 20:38pm

Printer model #?

3 solutions

Solution 2

This is simple: Perso-Arabic script is not represented in ASCII at all. With all modern systems, you need to use Unicode, and for encoding, some Unicode UTF.

Also, I'm not sure that your printer supports this script directly and, even if it does, I have no idea what encoding is required. Address the printer documentation. If the script is not supported, you may need to print all such data in graphics.

—SA

Posted 12-Apr-15 5:46am

Sergey Alexandrovich Kryukov

Updated 12-Apr-15 5:57am

v2

Solution 1

You need to talk to the manufacturers: Serial port data doesn't have any intrinsic "font" information - it doesn't even have a character set in the sense that Windows and C# does with Unicode.

Only the manufacturers can tell you that as it can vary from model to model, never mind manufacturer to manufacturer - which is why printing almost always is done via device driver software provided by the manufacturer as a software installation with the hardware.

Posted 12-Apr-15 0:52am

OriginalGriff

Comments

Sergey Alexandrovich Kryukov 12-Apr-15 11:53am

Sorry, "font" is your own fantasy: the inquirer's question is original, there are no version, and no a sign of such a stupid idea. If you try to attribute the possible stupid ideas to the inquirers, it won't help anyone.

Serial ports don't have "character set" or "encoding", but in the same sense as CPUs, memory and disk volumes: they also don't have encoding, but we use different encodings. Likewise, the SerialPort class does have the property Encoding, and this property has perfect sense: the port itself only work with byte, but the class allows the users to work with strings and this property defines how strings are represented as bytes.

"Talk to manufacturer" is also confusing. It should be the printer manufacturer. All your post talks about serial port only, which is not very relevant to anything manufacture-specific... :-)

Sorry,
—SA

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Mohamed Abdelwahab · Accepted Answer · 2015-06-26T02:45:00

Thanks to all
the solution...
///////////////////////////////////////////////////////////////////
serialPort1.Open();
serialPort1.Encoding = Encoding.GetEncoding("ASMO-708");
serialPort1.Write("\x02" + "L" + "\x0D");
serialPort1.Write("D12" + "\x0D");
serialPort1.Write("H20" + "\x0D");
serialPort1.Write("ySPR" + "\x0D");
string test_arab = "مصر جميلة";
string test_arab2 = "ثورتنا 25";
serialPort1.Write("1911SA001900050P020P020" + a.Arabize(test_arab) + "\x0D");
serialPort1. Write("1911SA001100050P020P020" + a.Arabize(test_arab2) + "\x0D");
serialPort1.Write("Q" + "\x0D");
serialPort1.Write("E" + "\x0D");
serialPort1.Close();