Barry, good to know,
it can even been that my version has changes that I did not update to the svn, sorry for this, I'll check out and, in case, update the svn. Can you fix this in svn? Best regards. Maurilio. Barry Jackson wrote: > Hi Maurilio, > I finally got it sorted! :-) > The problem on transmit was the lack of a time-out parameter for tp_send. > In telepathy.prg the time-out defaults to 0, so if no time-out parameter > is passed > it will not send as it thinks it has already timed out. > The sample testtp.prg sends no parameter and can not work. > Either the default needs changing or testtp.prg needs a parameter adding. > I now have testtp.prg as :- > function main > ? > tp_open( 1,,, 9600, 8, "N", 1 ) > tp_send( 1, "Hi there Bob",1 ) // One second time-out > tp_inkey( .5 ) > ? tp_recv( 1 ) > ? > ? > tp_Close( 1 ) > return nil > > function ThreadSleep ( millisecs ) > secs = millisecs/1000 > now = seconds() > DO WHILE seconds()<now+secs > hb_ReleaseCPU() > ENDDO > return nil > > This now works with a loopback plug:- > [...@jackodesktop hbr]$ a.out > > Hi there Bob > > [...@jackodesktop hbr]$ > > However, strangely, it also works with a comma missing in tp_open(), > probably because the same parameters are used in this test for transmit > and receive. > > What are your thoughts on the hb_ReleaseCPU() line? It does work without > it, but I guess it probably hangs the machine for the duration of the delay. > > Thanks everyone for your help - I can now get on with my project. :-) > > Cheers, > Barry > > > Maurilio Longo wrote: >> Barry, >> >> I never used a loopbak device, I did attach a modem and send to it an ATIx >> command which makes the modem answer back with some internal data/status. >> >> I was even able to print to a serial printer from linux (an old mandrake). >> >> That said, tp_xxx is just a prof of concept and it was not finished nor >> polished because the project that should have used it never saw the light. >> >> So, I'd look at the C code, is very simple, maybe you can put some printf() >> there to see what happens at the low level. >> >> I'd also try a tp_recv( 1, 1 ) // see second one, which is num of chars to >> wait. >> >> Also, tp_recv() calls fetchchars() which calls p_ReadPort() which is the >> function that does the real work and is written in C. >> >> Hope this helps you in some way. >> >> Maurilio. >> >> Barry Jackson wrote: >> >>> Marilio, >>> I just tested with the laptop and hbtpathy is now receiving - only - hence >>> the loopback fail. >>> >>> Send String = g >>> FetchChars = ffff >>> Handle 3 >>> Recv string = ffff >>> ffff >>> >>> So we are half way there! >>> Pity it's this way round as my application only needs to send ! >>> >>> Barry >>> >> >> > > ------------------------------------------------------------------------ > > _______________________________________________ > Harbour mailing list > Harbour@harbour-project.org > http://lists.harbour-project.org/mailman/listinfo/harbour -- __________ | | | |__| Maurilio Longo |_|_|_|____| farmaconsult s.r.l. _______________________________________________ Harbour mailing list Harbour@harbour-project.org http://lists.harbour-project.org/mailman/listinfo/harbour
