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Adding Citizen Thermal Printers Compatibilidy #4

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5333c36
Adding compatibility for Citizen Printers (TZ30 M01)
guerrerocarlos May 6, 2015
1ee93c0
Removing comments
guerrerocarlos May 6, 2015
8ee71c0
Adding requirements.txt file
guerrerocarlos May 7, 2015
99ce6c6
Restoring __del function
guerrerocarlos May 7, 2015
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1 change: 1 addition & 0 deletions requirements.txt
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
pyusb==1.0.0b1
21 changes: 12 additions & 9 deletions test_printer.py
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Original file line number Diff line number Diff line change
@@ -1,21 +1,19 @@
test_temp = """
<receipt>
<h1>Receipt!</h1>
<h2>div,span,p,ul,ol are also supported</h2>:w
<h1>Muqueca</h1>
<h2>Consumo:</h2>
<line>
<left>Product</left>
<right>0.15</right>
<left>Feijoada</left>
<right>13900.00</right>
</line>
<hr />
<line size='double-height'>
<left>TOTAL</left>
<right>0.15</right>
<right>13900.00</right>
</line>
<barcode encoding='ean13'>
5449000000996
</barcode>
<cashdraw />
<cut />
</receipt>
"""
from xmlescpos.exceptions import *
Expand All @@ -27,7 +25,8 @@
pp = pprint.PrettyPrinter(indent=4)

try:
printer = Usb(0x04b8,0x0202)
#printer = Usb(0x04b8,0x0202)
printer = Usb(0x1d90,0x2060)

printer._raw('\x1D\x28\x47\x02\x00\x30\x04');
printer._raw('AAAA');
Expand All @@ -43,7 +42,10 @@
printer._raw('CCCC');
printer._raw('\x1D\x28\x47\x02\x00\x54\x01');

#printer.receipt(test_temp)
printer._raw('\n\n');

printer.receipt(test_temp)

pp.pprint(printer.get_printer_status())

except NoDeviceError as e:
Expand All @@ -55,5 +57,6 @@
except NoStatusError as e:
print "Impossible to get the status of the printer %s" % str(e)
finally:
pass
printer.close()

6 changes: 3 additions & 3 deletions xmlescpos/escpos.py
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Original file line number Diff line number Diff line change
Expand Up @@ -708,9 +708,9 @@ def print_elem(stylestack, serializer, elem, indent=0):
self.cashdraw(2)
self.cashdraw(5)
if not 'cut' in root.attrib or root.attrib['cut'] == 'true' :
if self.slip_sheet_mode:
self._raw(CTL_FF)
else:
#if self.slip_sheet_mode:
# self._raw(CTL_FF)
#else:
self.cut()

except Exception as e:
Expand Down
43 changes: 29 additions & 14 deletions xmlescpos/printer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -42,19 +42,34 @@ def open(self):
self.device.detach_kernel_driver(self.interface)
self.device.set_configuration()
usb.util.claim_interface(self.device, self.interface)
# get an endpoint instance
cfg = self.device.get_active_configuration()
intf = cfg[(0,0)]

self.hw_device = self.device
self.device = usb.util.find_descriptor(
intf,
# match the first OUT endpoint
custom_match = \
lambda e: \
usb.util.endpoint_direction(e.bEndpointAddress) == \
usb.util.ENDPOINT_OUT)
assert self.device is not None


except usb.core.USBError as e:
raise HandleDeviceError(e)

def close(self):
i = 0
while True:
try:
if not self.device.is_kernel_driver_active(self.interface):
usb.util.release_interface(self.device, self.interface)
self.device.attach_kernel_driver(self.interface)
usb.util.dispose_resources(self.device)
else:
self.device = None
if not self.hw_device.is_kernel_driver_active(self.interface):
usb.util.release_interface(self.hw_device, self.interface)
self.hw_device.attach_kernel_driver(self.interface)
usb.util.dispose_resources(self.hw_device)
#else:
self.hw_device = None
return True
except usb.core.USBError as e:
i += 1
Expand All @@ -65,7 +80,7 @@ def close(self):

def _raw(self, msg):
""" Print any command sent in raw format """
if len(msg) != self.device.write(self.out_ep, msg, self.interface):
if len(msg) != self.device.write(msg, self.interface):
self.device.write(self.out_ep, self.errorText, self.interface)
raise TicketNotPrinted()

Expand All @@ -76,7 +91,7 @@ def __extract_status(self):
maxiterate += 1
if maxiterate > 10000:
raise NoStatusError()
r = self.device.read(self.in_ep, 20, self.interface).tolist()
r = self.device.read(20, self.interface).tolist()
while len(r):
rep = r.pop()
return rep
Expand All @@ -89,13 +104,13 @@ def get_printer_status(self):
'paper' : {},
}

self.device.write(self.out_ep, DLE_EOT_PRINTER, self.interface)
self.device.write(DLE_EOT_PRINTER, self.interface)
printer = self.__extract_status()
self.device.write(self.out_ep, DLE_EOT_OFFLINE, self.interface)
self.device.write(DLE_EOT_OFFLINE, self.interface)
offline = self.__extract_status()
self.device.write(self.out_ep, DLE_EOT_ERROR, self.interface)
self.device.write(DLE_EOT_ERROR, self.interface)
error = self.__extract_status()
self.device.write(self.out_ep, DLE_EOT_PAPER, self.interface)
self.device.write(DLE_EOT_PAPER, self.interface)
paper = self.__extract_status()

status['printer']['status_code'] = printer
Expand Down Expand Up @@ -125,9 +140,9 @@ def get_printer_status(self):

def __del__(self):
""" Release USB interface """
if self.device:
if self.hw_device:
self.close()
self.device = None
self.hw_device = None



Expand Down