EmbLogic's Blog

IEEE standard 1284-1994 –compatibility mode communication(parallel port device driver)

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included header files
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date: 2014/11/11 05:29:43; author: emblogic; state: Exp;
Initial revision
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Initial revision
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implemented check_region(), release_region()
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implemented request_region()
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RCS file: dev_open.c,v
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date: 2014/11/11 05:32:50; author: emblogic; state: Exp;
Initial revision
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RCS file: dev_write.c,v
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first waited for the busy status then send the strobe.
to allow the reader to read the data.
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implemented release_region,
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RCS file: dev_read.c,v
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following the protocols first send the busy to writer
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date: 2014/11/11 05:57:34; author: emblogic; state: Exp; lines: +2 -2
after receiving the strobe from the writter, accepted the data.
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