if the buffer is empty - waits until new data comes available.
> if the buffer is empty - waits until new data comes available.
variable, and increment the tail(wrapping too). Makes sense?
>> driven UART rather than polling it.
>> clears it. Does this make sense?
> buffer is empty - waits until new data comes available.
ridiculous, maybe he should look again in his data sheets.
> variable, and increment the tail(wrapping too). Makes sense?
> >> driven UART rather than polling it.
> >> clears it. Does this make sense?
> > buffer is empty - waits until new data comes available.
> controlling the interrupt enable.
> ridiculous, maybe he should look again in his data sheets.
> > variable, and increment the tail(wrapping too). Makes sense?
be available (=in a polling system read the byte at next poll).
systems and 64 KiB buffers in 16 bit data bus systems.
> > if the buffer is empty - waits until new data comes available.
an appropriate value to accomplish the wraparound.
the source is pretty generic C.