Hi everybody,
I have written device driver for fingerprint scanner
device.
But I encountered a problem, whenever I am performing
read operation like this:
fread(buff,20,1,fp); ( from user space)
The read routine of my device driver is called
20 times.However I dont need this, as in a
single read I get the image from device.
As the image buffer is about 76800 bytes.So this
procedure makes my driver very slow.
Can anybody suggest , How can I avoid this problem.
Please reply soon.
Thanks in advance.
Regards
Siddharth Sharma
Axis Software Pvt. Ltd.
Pune, India
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