Hi!
An idea for a part of the Phoenix homepage...
I would like to make it...
'Printerport' standards:
There have been made several devices to connect to the printerport. It
would be easy if a program would be able to autodetect them. In the
case of one-way communication devices like SiMPL this is possible by
connecting one of the datapins to the status-pin. Then every device can
be given an ID-number, which corresponds to the datapin connected to
the statuspin.
I suggest 2 standards:
ID0 Modified SiMPL (D/A convertor)
ID1 Knightrider device (8 leds display or alike)
All new IDs must be requested at Phoenix.
Bidirectional devices can't have an ID, they must implement another
way.
Experimental or single-user (private) devices shouldn't have an ID
either. If an ID is for some reason really nessacary then ID7 can be
used. However, before publiciying the scheme it should request a new ID
at Phoenix.
About printers, as long as the program keeps its hands off the
strobe-bit the printer won't print anything...
Does anyone know how to autodetect a printer??? Guess that's not
possible.
If nothing is found then a printer or an unmodified SiMPL can be
assumed... The program should ask the user.
I heard about a MIDI-devide on the printerport... Does it exist???
Isn't it confused with the Joystick MIDI???
~Grauw
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