setop/python-escpos
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Merge remote-tracking branch 'origin/master' into merge/upstream/master

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Christoph Heuel
2015-08-27 23:37:44 +02:00
parent 25b650c935 5eaa6f26d0
commit e23ce9bfc2
5 changed files with 61 additions and 11 deletions
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22
escpos/printer.py
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@@ -3,7 +3,7 @@
@author: Manuel F Martinez <manpaz@bashlinux.com>
@organization: Bashlinux
@copyright: Copyright (c) 2012 Bashlinux
@license: GPL
@license: GNU GPL v3
"""
import usb.core
@@ -70,24 +70,40 @@ class Usb(Escpos):
class Serial(Escpos):
""" Define Serial printer """
def __init__(self, devfile="/dev/ttyS0", baudrate=9600, bytesize=8, timeout=1, *args, **kwargs):
def __init__(self, devfile="/dev/ttyS0", baudrate=9600, bytesize=8, timeout=1,
parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE,
xonxoff=False , dsrdtr=True, *args, **kwargs):
"""
@param devfile : Device file under dev filesystem
@param baudrate : Baud rate for serial transmission
@param bytesize : Serial buffer size
@param timeout : Read/Write timeout
@param parity : Parity checking
@param stopbits : Number of stop bits
@param xonxoff : Software flow control
@param dsrdtr : Hardware flow control (False to enable RTS/CTS)
"""
Escpos.__init__(self, *args, **kwargs)
self.devfile = devfile
self.baudrate = baudrate
self.bytesize = bytesize
self.timeout = timeout
self.parity = parity
self.stopbits = stopbits
self.xonxoff = xonxoff
self.dsrdtr = dsrdtr
self.open()
def open(self):
""" Setup serial port and set is as escpos device """
self.device = serial.Serial(port=self.devfile, baudrate=self.baudrate, bytesize=self.bytesize, parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE, timeout=self.timeout, dsrdtr=True)
self.device = serial.Serial(port=self.devfile, baudrate=self.baudrate,
bytesize=self.bytesize, parity=self.parity,
stopbits=self.stopbits, timeout=self.timeout,
xonxoff=self.xonxoff, dsrdtr=self.dsrdtr)
if self.device is not None:
print("Serial printer enabled")