I'm not a serial port expert but have you tried turning the FIFO buffers OFF ? there is an option in setserial to do it.
nate On Sun, 2 Jan 2000, Christopher R. Barry wrote: cbarry >I need to connect to an HP49G calculator. cbarry >X-Face: $DD[\LKdx&F)[EMAIL PROTECTED]:I8![L"O*X#'|ctq-w]1aoQD8x1:[EMAIL PROTECTED] cbarry >From: [EMAIL PROTECTED] (Christopher R. Barry) cbarry >Date: 02 Jan 2000 11:08:15 -0800 cbarry >Message-ID: <[EMAIL PROTECTED]> cbarry >Lines: 44 cbarry > cbarry >I think I need help from a serial port guru. cbarry > cbarry >I am using ckermit to transfer files between my PC and a HP49G cbarry >calculator. Under MSDOS, everything works fine. Here are my DOS kermit cbarry >settings: cbarry > cbarry > SET MODEM TYPE DIRECT cbarry > SET PORT COM1 cbarry > SET SPEED 9600 cbarry > SET CARRIER-WATCH OFF cbarry > SET FLOW NONE cbarry > SET PARITY NONE cbarry > SET BLOCK 3 cbarry > cbarry >I can then just put the calculator in server mode and from my PC do cbarry > cbarry > SEND <file> cbarry > cbarry >and it transfers right over. cbarry > cbarry >Under Linux I do the exact same thing except I specify /dev/ttyS0 cbarry >instead of COM1 for the first serial port. When I try to transfer a cbarry >file it goes to the transfer screen and the errors counter just slowly cbarry >accumulates. The HP calc indicates that there is serial activity; they cbarry >just don't get the connection right I guess. cbarry > cbarry >Again, this all works perfectly under DOS. My /etc/serial.conf looks cbarry >like: cbarry > cbarry >---------------------------- cbarry >###AUTOSAVE### cbarry >/dev/ttyS0 uart 16550A port 0x03f8 irq 4 baud_base 9600 spd_normal skip_test cbarry >/dev/ttyS1 uart 16550A port 0x02f8 irq 3 spd_normal skip_test cbarry >---------------------------- cbarry > cbarry >Is there some magic I can work with stty and setserial to get ttyS0 as cbarry >close to the way it is under DOS as possible, or do any of you serial cbarry >gurus have any connection debug tips or know anything I could try? cbarry > cbarry >Thanks very much in advance for any help; I worked on this all day cbarry >yesterday and all this morning and haven't made progress and am very cbarry >frustrated.... cbarry > cbarry >Christopher cbarry > cbarry > cbarry >-- cbarry >Unsubscribe? mail -s unsubscribe [EMAIL PROTECTED] < /dev/null cbarry > ----------------------------------------[mailto:[EMAIL PROTECTED] ]-- Vice President Network Operations http://www.firetrail.com/ Firetrail Internet Services Limited http://www.aphroland.org/ Everett, WA 425-348-7336 http://www.linuxpowered.net/ Powered By: http://comedy.aphroland.org/ Debian 2.1 Linux 2.0.36 SMP http://yahoo.aphroland.org/ -----------------------------------------[mailto:[EMAIL PROTECTED] ]-- 2:55pm up 136 days, 2:51, 3 users, load average: 1.60, 1.95, 2.28
