Am Dienstag, 31. Dezember 2002 12:22 schrieb siddharth sharma rajput:
> Hi everybody,
>
> I am writing device driver for fingerprint sensor.
> I have written almost all the driver.
>
>
> But I encountered a problem :
> whenever I perform read on my device like this:
>
> fread(buff,20,1,fp); /* in user space */
>
>
> Read routine of my device driver is called 20 times.
> I dont want it this way, as in a single call I
> can pass the whole image buffer to it.
>
> As the image buffer is 76800 bytes , my driver
> doesnt responds for minutes.
>
> Please suggest the solution.
Use read() directly.
Regards
Oliver
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