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Thomas van den Berg 2013-02-27 13:32:43 +01:00
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README.md
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@ -3,8 +3,8 @@ ESCPOS
Python library to manipulate ESC/POS Printers. Python library to manipulate ESC/POS Printers.
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1. Dependencies 1. Dependencies
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In order to start getting access to your printer, you must ensure In order to start getting access to your printer, you must ensure
you have previously installed the following python modules: you have previously installed the following python modules:
@ -12,8 +12,8 @@ you have previously installed the following python modules:
* pyusb (python-usb) * pyusb (python-usb)
* PIL (Python Image Library) * PIL (Python Image Library)
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2. Description 2. Description
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Python ESC/POS is a library which lets the user have access to all Python ESC/POS is a library which lets the user have access to all
those printers handled by ESC/POS commands, as defined by Epson, those printers handled by ESC/POS commands, as defined by Epson,
@ -32,8 +32,8 @@ Also, this module handles some hardware functionalities like, cut
paper, carrier return, printer reset and others concerned to the paper, carrier return, printer reset and others concerned to the
carriage alignment. carriage alignment.
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3. Define your printer 3. Define your printer
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Before start create your Python ESC/POS printer instance, you must Before start create your Python ESC/POS printer instance, you must
see at your system for the printer parameters. This is done with see at your system for the printer parameters. This is done with
@ -43,7 +43,7 @@ First run the command to look for the "Vendor ID" and "Product ID",
then write down the values, these values are displayed just before then write down the values, these values are displayed just before
the name of the device with the following format: the name of the device with the following format:
xxxx:xxxx xxxx:xxxx
Example: Example:
Bus 002 Device 001: ID 1a2b:1a2b Device name Bus 002 Device 001: ID 1a2b:1a2b Device name
@ -51,8 +51,8 @@ Example:
Write down the the values in question, then issue the following Write down the the values in question, then issue the following
command so you can get the "Interface" number and "End Point" command so you can get the "Interface" number and "End Point"
lsusb -vvv -d xxxx:xxxx | grep iInterface lsusb -vvv -d xxxx:xxxx | grep iInterface
lsusb -vvv -d xxxx:xxxx | grep bEndpointAddress | grep OUT lsusb -vvv -d xxxx:xxxx | grep bEndpointAddress | grep OUT
The first command will yields the "Interface" number that must The first command will yields the "Interface" number that must
be handy to have and the second yields the "Output Endpoint" be handy to have and the second yields the "Output Endpoint"
@ -62,25 +62,25 @@ By default the "Interface" number is "0" and the "Output Endpoint"
address is "0x82", if you have other values then you can define address is "0x82", if you have other values then you can define
with your instance. with your instance.
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4. Define your instance 4. Define your instance
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The following example shows how to initialize the Epson TM-TI88IV The following example shows how to initialize the Epson TM-TI88IV
*** NOTE: Always finish the sequence with Epson.cut() otherwise *** NOTE: Always finish the sequence with Epson.cut() otherwise
you will endup with weird chars being printed. you will endup with weird chars being printed.
from escpos import * from escpos import *
""" Seiko Epson Corp. Receipt Printer M129 Definitions (EPSON TM-T88IV) """ """ Seiko Epson Corp. Receipt Printer M129 Definitions (EPSON TM-T88IV) """
Epson = escpos.Escpos(0x04b8,0x0202,0) Epson = escpos.Escpos(0x04b8,0x0202,0)
Epson.text("Hello World") Epson.text("Hello World")
Epson.image("logo.gif") Epson.image("logo.gif")
Epson.barcode Epson.barcode
Epson.barcode('1324354657687','EAN13',64,2,'','') Epson.barcode('1324354657687','EAN13',64,2,'','')
Epson.cut() Epson.cut()
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5. Links 5. Links
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Please visit project homepage at: Please visit project homepage at:
http://repo.bashlinux.com/projects/escpos.html http://repo.bashlinux.com/projects/escpos.html