Implementing read and write operations for Compatibility mode.In compatibility mode , the data is sent character by character on a hardware which consists of 8 led. It is tested by sending data on LEDs connected on a hardware.

RCS file: header.h,v
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add linux/ioport.h
add asm/io.h
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RCS file: declaration.h,v
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This is DECLATAION file
all the function prototypes,declared in this file
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RCS file: file_operation.h,v
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this file contains the mapping of devwrite file to write called from application
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RCS file: devopen.c,v
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RCS file: driver.c,v
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this file contains the initialization of module
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date: 2014/11/06 12:50:22; author: root; state: Exp; lines: +1 -0
check if region is free i.e. at address 0×378
if not free, request for region
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RCS file: devwrite.c,v
Working file: devwrite.c
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allocate region for scull in memory, and store data write from application in quantum of scull
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date: 2014/11/06 12:55:39; author: root; state: Exp; lines: +2 -2
Initially reset data lines by outb(0×00)
character sent in loop at interval of 5 sec
character are write in quantum from application, and in each loop one character is outb
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RCS file: removedriver.c,v
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this file contains exit module when driver is removed
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region is released when driver is removed
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revision 1.1
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