Hello Lazarus-List, Wednesday, February 16, 2011, 10:59:02 AM, you wrote:
MS> On 02/15/2011 10:45 AM, Bo Berglund wrote: >> Does that mean that until all of the bytes have left the serial port >> the Write does not return to my program? This is exactly why I asked >> about the buffers... MS> Regarding sending, there still is a FiFo (usually some 4..64 Bytes ) in MS> the serial hardware (hundreds or thousands of bytes) and a software Fifo MS> in the OS driver. So the software can't tell when something has left the MS> serial port. For such deeply embedded issues the specifics of the MS> driver and hardware needs to be considered AFAIK the FIFO is in the receive, in sent the FIFOs are filled but function does not return until the hardware sends the last byte. -- Best regards, José -- _______________________________________________ Lazarus mailing list [email protected] http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
