None of which explains how you were able to get it to work with minicom. Sent by Magic!
> On Feb 7, 2016, at 6:24 AM, Bill Turner, WB4ALM <[email protected]> wrote: > > > I would like to thank everybody that has provided ideas on serial port > communications using ooRexx. > > I do not have a final solution yet, but with your help I have had > partial success. > > "stty" says that it has changed the port speed, but it really has not. > > Using one of my more sophisticated pieces of test gear (and one that I > had forgotten that I had - it hasn't been used in over 20 years) I have > now discovered that even though "stty" says the port speed is 1200, in > fact it is really 9600 - a speed that the external device can not > respond to. > > In an attempt to use "setserial" I get an error message as follows... > > $ setserial /dev/ttyUSB0 baud_base 1200 > Cannot get serial info: Inappropiate ioctl for device > > so far, I have not been able to determine exactly what that means. > > furthermore, it appears that my USB to serial converter has a reputation > for being "...worst on market..." > Its ID is 1A86:7523 and it is manufactured by Qin Heng Electronics - > an is an " HL-340 USB-Serial adapter". > > Information on the internet stated that the best driver for this chlip > is the CL341, and that the prolific driver should be blacklisted so that > CL341 is selected and used. I have done this, and indeed, the CL341 > driver has been loaded and is being used. > > Some people have stated on Internet forums that they were unable to go > below 2400 with this device. Others have stated that the driver CL341, > has a major software error with regards to parity. The software fix is > available in Linux kernel 3.18, but since I am running Ubuntu 14.04 LTS, > my kernel is a 3.13.0-77-generic > > - - - > > In particular I would like to give special thanks to "cvbruce" for > reminding me that sometimes you need a better "tester" than just my > "idiot lamp" adapter that shows RD, TD, RTS, CTS, DSR, DTR, and RI... > > ...In fact, while my "Black Box - SAM 232-05" and "NuData corp 921-T" > Test sets were of some help, they still could not tell me what the baud > rate really was! > > I would also like to thank --MASTER GURU-- M.F. Cowlishaw for not only > creating REXX in the first place, but for sharing his OS2 modem dialer > program, which allowed me to verify that my code was probably correct > --- 'especially since it now appears to be a hardware problem. (Isn't > that what all of us Software Experts say?) > > Thanks everyone, I'll let you know what happens... > > /s/ Bill Turner, wb4alm > > > ------------------------------------------------------------------------------ > Site24x7 APM Insight: Get Deep Visibility into Application Performance > APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month > Monitor end-to-end web transactions and take corrective actions now > Troubleshoot faster and improve end-user experience. Signup Now! > http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 > _______________________________________________ > Oorexx-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/oorexx-devel ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 _______________________________________________ Oorexx-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/oorexx-devel
