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The usbdot4 driver, is just a standard usb printer driver that includes support for protocol 1284.4 also known as DOT4. It includes for the other standard protocols as well all throu those are unstested. Too install simply copy the usbdot4.device into devs: Too use it from the system you have too change the printer prefs, just select usbdot4.device unit 0 Settings: VENDORID/K/N,DEVICEID/K/N,MODE/K/N where: VENDORID -- If the usb device to not identify as a printer, a hardcoded VendorID can be used. DEVICEID -- If the usb device to not identify as a printer, a hardcoded DeviceID can be used. MODE -- If the type of printer is wrong. With this options you can set 1 = Unidirectional Printer. 2 = Bidirectional Printer. 3 = Printer which uses IEEE1284_4. The configuration variables are stored in the following DOS environment variables: usbdot4.device/unit0 -- unit 0 configuration Regards René W. Olsen --- History --- [Version] - [Date] - [Developer] v1.1 - 27-Mar-2010 - rolsen - Okay theis is the very first alpha version. - Error handling is very primitive at this time, so turning off/on the printer too reset will help. Hopefull this should not be necessary. v1.2 - 28-Mar-2010 - rolsen - Added: Now a log file in RAM: named 'dot4.txt' is created. - Fixed: Sending Packets did not allways decreate the Credits, so the internal counter got out of range, and was not usfull. v1.3 - 08-Apr-2010 - rolsen - Fixed: rewrote the hole DOT4 part. - Added: now added a request for more credits if you run out, this is expernial. v1.4 - 10-Apr-2010 - rolsen - Added: a 68k jump table. - Added: More debug information. v1.5 - 12-May-2010 - rolsen - Changed: Completly recoded the way Channels and credits work.
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