U go through <link removed>
there u can get plenty of documents for reading USB Port....
rasmiranjanbabu
Last Activity: Mar 11 '08, 10:29 AM
Joined: Jan 28 '08
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If u r doing this program in Linux/UNIX,
then the Parent Process ID(PPID) value is always less than the Child Process ID.
U can use fork(), etc.
There are so many System Calls are there....Leave a comment:
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I can give u hint.
1st of all u send a signal in ur Serial port or || port then see the ACK.
If the ACK flag is active then u can come to know whether something is connected in ur PC.
Like that way u can do this....Leave a comment:
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