On 04 October 2007 16:02, Jesús wrote:
> dear all,
>
> I am doing a 'read' operation on a non-blocking FILE stream attached to
> the serial port.
> Every non-empty read (about 120 bytes) is performed in less than 200 us.
> However, if no data in buffer, read returns -1 but the operation takes
> 1
dear all,
I am doing a 'read' operation on a non-blocking FILE stream attached to
the serial port.
Every non-empty read (about 120 bytes) is performed in less than 200 us.
However, if no data in buffer, read returns -1 but the operation takes
1500 us or more in average. Too much for my applica