add dymo400 lsusb
This commit is contained in:
59
09220019.txt
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59
09220019.txt
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Bus 001 Device 013: ID 0922:0019 Dymo-CoStar Corp. LabelWriter 400
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Device Descriptor:
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bLength 18
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bDescriptorType 1
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bcdUSB 1.10
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bDeviceClass 0 [unknown]
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bDeviceSubClass 0 [unknown]
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bDeviceProtocol 0
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bMaxPacketSize0 16
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idVendor 0x0922 Dymo-CoStar Corp.
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idProduct 0x0019 LabelWriter 400
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bcdDevice 0.4e
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iManufacturer 1 DYMO
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iProduct 2 DYMO LabelWriter 400
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iSerial 3 05080914235500
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bNumConfigurations 1
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Configuration Descriptor:
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bLength 9
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bDescriptorType 2
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wTotalLength 0x0020
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bNumInterfaces 1
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bConfigurationValue 1
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iConfiguration 0
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bmAttributes 0xc0
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Self Powered
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MaxPower 2mA
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Interface Descriptor:
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bLength 9
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bDescriptorType 4
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bInterfaceNumber 0
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bAlternateSetting 0
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bNumEndpoints 2
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bInterfaceClass 7 Printer
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bInterfaceSubClass 1 Printer
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bInterfaceProtocol 2 Bidirectional
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iInterface 0
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Endpoint Descriptor:
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bLength 7
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bDescriptorType 5
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bEndpointAddress 0x82 EP 2 IN
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bmAttributes 2
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Transfer Type Bulk
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Synch Type None
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Usage Type Data
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wMaxPacketSize 0x0040 1x 64 bytes
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bInterval 0
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Endpoint Descriptor:
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bLength 7
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bDescriptorType 5
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bEndpointAddress 0x02 EP 2 OUT
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bmAttributes 2
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Transfer Type Bulk
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Synch Type None
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Usage Type Data
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wMaxPacketSize 0x0040 1x 64 bytes
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bInterval 0
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Device Status: 0x0001
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Self Powered
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92
src/dymo.py
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92
src/dymo.py
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import usb.core
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import usb.util
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import sys
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import re
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dymo_vid = 0x0922 # Dymo vendor ID
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dymo_tt_pid = 0x0018 # Dymo Twin Turbo Product ID
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dymo_400_pid = 0x0019
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dymo_450_pid = 0x0020 # Dymo 450 Product ID
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dymo_tt = usb.core.find(idVendor=dymo_vid, idProduct=dymo_tt_pid)
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dymo_400 = usb.core.find(idVendor=dymo_vid, idProduct=dymo_400_pid)
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dymo_450 = usb.core.find(idVendor=dymo_vid, idProduct=dymo_450_pid)
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#dymo_tt.serial_number # Prints device unique ID
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#dymo_tt.langids # Returns language IDs (1033,) for english
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# Get descriptor for serial number
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# fields: dymo_tt - reference to device to get the data from
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# 254 - max buffer for received data (254 max, 30 expected for serial number)
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# 0x03 - Data type - 0x03 = string data
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# dymo_tt.iSerialNumber - index of serial number data (0x03)
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# dymo_tt.langids[0] - First item from supported languages (1033)
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#usb.control.get_descriptor(dymo_tt, 254, 0x03, dymo_tt.iSerialNumber, dymo_tt.langids[0])
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#usb.control.get_descriptor(dymo_450, 254, 0x03, dymo_450.iSerialNumber, dymo_450.langids[0])
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dymo_tt_serialdata = usb.control.get_descriptor(dymo_tt, 30, 0x03, 0x03, 1033)
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dymo_450_serialdata = usb.control.get_descriptor(dymo_450, 30, 0x03, 0x03, 1033)
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#print(dymo_tt_serialdata.hex())
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#print(dymo_450_serialdata.hex())
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# returns the string representation of the serial number received from the device
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#print(dymo_tt_serialdata[2:len(dymo_tt_serialdata)].decode('utf-16-le'))
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#print(dymo_450_serialdata[2:30].decode('utf-16-le'))
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# returns raw bytes representation of encoded data
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#print(dymo_tt_serialdata[2:30].decode('utf-8'))
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#print(dymo_450_serialdata[2:30].decode('utf-8'))
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def get_serial_raw(dev):
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return usb.control.get_descriptor(dev, 254, usb.DT_STRING, dev.iSerialNumber, dev.langids[0])
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def get_device_id(dev):
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# Get the IEEE 1284 Device ID string
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# ref: https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ProductDocuments/LegacyCollaterals/01233a.pdf
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GET_DEVICE_ID = 0xa1 # USBPRINTER protocol bmRequestType printer protocol request
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bRequest = 0x00 # USBPRINTER protocol bRequest get_device_id
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GET_PORT_STATUS = 0x01 # USBPRINTER protocol bRequest get_port_status (returns 1 byte)
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SOFT_RESET = 0x21 # USBPRINTER protocol bmRequestType soft reset
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wValue = 0 # USBPRINTER protocol Config Index
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wIndex = 0 # USBPRINTER protocol interface index and alt setting
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wLength = 1023 # Max buffer length
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# ctrl_transfer(bmRequestType, bRequest, wValue, wIndex, msg or buffsize)
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return dev.ctrl_transfer(GET_DEVICE_ID, bRequest, wValue, wIndex, wLength)
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def get_serial(dev):
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rawserial = get_serial_raw(dev)
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# Return just the data portion of the descriptor data
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# First byte is length of returned data, second byte is type of returned data (30 and 3 expected)
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rawserial = rawserial[2:len(rawserial)].tobytes()
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if dev.idVendor == 0x0922 and dev.idProduct == 0x0018:
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# Because the Twin Turbo returns invalid serial data, we drop the first 2 bytes
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# and decode the remainder as utf-16-be (big-endian)
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return rawserial[2:len(rawserial)].decode('utf-16-be')
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else:
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return rawserial.decode('utf-16-le')
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def fix_serial(uri_line):
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if not uri_line.startswith("direct usb://DYMO/LabelWriter%20Twin%20Turbo?serial="):
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return uri_line
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# Extract existing serial
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match = re.search(r'serial=([^\s]+)', uri_line)
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if not match:
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return uri_line
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serial = match.group(1)
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# If the serial is all question marks, replace it
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if set(serial) == {'?'}:
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# Generate fallback serial using USB bus/device number from URI line
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# CUPS output looks like:
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# direct usb://DYMO/... "DYMO LabelWriter Twin Turbo" usb://...
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# We'll add a stable dummy fallback here
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#dummy_serial = "DYMOFIX-" + str(abs(hash(uri_line)) % 10000)
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new_serial = get_serial()
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uri_line = uri_line.replace(f"serial={serial}", f"serial={dummy_serial}")
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return uri_line
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#for line in sys.stdin:
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# sys.stdout.write(fix_serial(line))
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