On Mon, Dec 11, 2017 at 11:21 AM, Denis Heidtmann <denis.heidtm...@gmail.com> wrote: > Is it possible that your command /dev/ttyUSB0 600,cs7,cstopb,-parenb has an > error?
Not only possible, but likely. > I executed stty 600 then stty -a : > denis@denis-ThinkPad-L420:~$ stty -a > speed 600 baud; rows 24; columns 80; line = 0; > intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ^D; eol = <undef>; > eol2 = <undef>; swtch = <undef>; start = ^Q; stop = ^S; susp = ^Z; rprnt = > ^R; > werase = ^W; lnext = ^V; discard = ^O; min = 1; time = 0; > -parenb -parodd -cmspar cs8 -hupcl -cstopb cread -clocal -crtscts > -ignbrk -brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr icrnl ixon > -ixoff > -iuclc -ixany -imaxbel iutf8 > opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 > ff0 > isig icanon iexten echo echoe echok -echonl -noflsh -xcase -tostop -echoprt > echoctl echoke -flusho -extproc > > Then I tried stty cs7 and got: > denis@denis-ThinkPad-L420:~$ stty cs7 > stty: 'standard input': Invalid argument > > Yet the man page lists csN. > > Clearly I do not know what I am doing. You probably need to tell it which tty you want to talk to, otherwise it will try to set your current terminal, afaik. The device-busy thing may be due to a screen session still running. Try unplugging/replugging your cable from the USB port. _______________________________________________ PLUG mailing list PLUG@pdxlinux.org http://lists.pdxlinux.org/mailman/listinfo/plug