Search found 20 matches

by xtal
Sat Jan 04, 2020 7:49 pm
Forum: Liberty BASIC Language
Topic: LBB much slower than LB in this pgm
Replies: 31
Views: 4349

Re: LBB much slower than LB in this pgm

--- SOLVED ---- USING USB3 port solves problem with all my adapters....... Baud = 2400 4.16666667 ms/char 4166.66667 us/char bx/10k = 0.24 Expected time for 220000 chars is = 916666.667 milliseconds 916.666667 seconds Actual time for 220000 chars was = 933368 milliseconds 933.368seconds Baud = 4800 ...
by xtal
Fri Jan 03, 2020 10:14 pm
Forum: Liberty BASIC Language
Topic: LBB much slower than LB in this pgm
Replies: 31
Views: 4349

Re: LBB much slower than LB in this pgm

Got the same Plugable usb serial that you have..
Driver is Prolific 7/30/2019 ver 3.8.31.0
Testing on my main unit is samo samo.
The Adapter made no difference .
Must be AMD MB ???? or Intel i7

Try your AMD w7 at 57600 to see if it is correct.
by xtal
Wed Jan 01, 2020 7:08 pm
Forum: Liberty BASIC Language
Topic: LBB much slower than LB in this pgm
Replies: 31
Views: 4349

Re: LBB much slower than LB in this pgm

Interesting I will attempt to aquire a Genuine Adapter... Thx In case you are interested here is LB using same adapter --- The timings don't make a lot of since to me . Possibly LB is internally buffering???? Baud = 2400 4.16666667 ms/char 4166.66667 us/char bx/10k = 0.24 Actual time taken = 35424 m...
by xtal
Wed Jan 01, 2020 4:55 pm
Forum: Liberty BASIC Language
Topic: LBB much slower than LB in this pgm
Replies: 31
Views: 4349

Re: LBB much slower than LB in this pgm

Why does you I7 laptop perform correctly ,,, is it windows or a driver that is doing the capping?
by xtal
Wed Jan 01, 2020 4:44 pm
Forum: Liberty BASIC Language
Topic: LBB much slower than LB in this pgm
Replies: 31
Views: 4349

Re: LBB much slower than LB in this pgm

crlf$ = chr$(10);Chr$(13) baud = 2400 passes=10000 open DefaultDir$;"\baudtst.txt" for output as #out for xx = 1 to 7 bx = baud/10000 ct=(1000000/baud)*10 print #out, "Baud = ";baud;" ";ct/1000; " ms/char "; ct; " us/char bx/10k = ";bx print "Baud = ";baud;" ";ct/1000; " ms/char "; ct; " us/char bx...
by xtal
Mon Dec 30, 2019 7:20 pm
Forum: Liberty BASIC Language
Topic: LBB much slower than LB in this pgm
Replies: 31
Views: 4349

Re: LBB much slower than LB in this pgm

Tried different program prioritys, high and realtime , made no difference
by xtal
Mon Dec 30, 2019 6:01 pm
Forum: Liberty BASIC Language
Topic: LBB much slower than LB in this pgm
Replies: 31
Views: 4349

Re: LBB much slower than LB in this pgm

19200 baud still get 220088 ms 220+ seconds
this makes little since to me......
by xtal
Mon Dec 30, 2019 5:51 pm
Forum: Liberty BASIC Language
Topic: LBB much slower than LB in this pgm
Replies: 31
Views: 4349

Re: LBB much slower than LB in this pgm

I just dropped baud to 57600 and still get 220+ seconds
by xtal
Mon Dec 30, 2019 3:41 pm
Forum: Liberty BASIC Language
Topic: LBB much slower than LB in this pgm
Replies: 31
Views: 4349

Re: LBB much slower than LB in this pgm

I think AMD / windows drivers may be issue.... Dell inpiron XP_____LBB 19s+________LB 19s+_____ProlificXHA_____C210x_____FTDI Dell I5 chip set W10____LBB 33s+________LB 25s+_____ProlificXHA_____C210x_____FTDI Gateway Laptop W7_____LBB 220s+_______LB 30s+_____ProlificXHA_____C210x_____FTDI
by xtal
Sun Dec 29, 2019 11:00 pm
Forum: Liberty BASIC Language
Topic: LBB much slower than LB in this pgm
Replies: 31
Views: 4349

Re: LBB much slower than LB in this pgm

what adapter are you using. ????
I will try a couple of laptops and maybe verify different baud rates later.
thx for the input...