From mboxrd@z Thu Jan 1 00:00:00 1970 From: f8arr Subject: Re: Issue with RS232 <-> USB adaptor (FC15) Date: Tue, 14 Jun 2011 22:52:32 +0200 Message-ID: <4DF7CA10.1090202@f8arr.org> References: <4DF663E7.7040100@f8arr.org> <4DF66BF8.6090003@shom.fr> <4DF672E6.7050403@f8arr.org> <4DF678B0.1080600@shom.fr> <4DF67C02.4060200@radagast.org> <4DF68088.9070501@f8arr.org> Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <4DF68088.9070501@f8arr.org> Sender: linux-hams-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="iso-8859-1"; format="flowed" To: Dave Platt Cc: linux-hams Hello Some progress on my acknowledge... When the PC start, my DTR of my USB-RS232 is up (-6v). It mean that a program or a daemon is listenning and/or managing my=20 serial. I don't want it because i'll use it directly from Wsjt. If someone has an idear where to search... 73 qro =468ARR On 06/13/2011 11:26 PM, f8arr wrote: > hum... > > you are right the Issue is not clear.. something is going wrong... > I have to investigate. > > 73 qro > f8ARR > > On 06/13/2011 11:07 PM, Dave Platt wrote: >> On 06/13/2011 01:53 PM, Bruno Tr=E9guier wrote: >>> Le 13/06/2011 =E0 22:28, f8arr a =E9crit : >>>> Hello, >>>> >>>> I'm not sure because I found the problem to resolve my issue : >>>> >>>> stty --file=3D/dev/ttyUSB0 clocal >>>> >>>> I remove all flow control on the serial. >> I don't think that "clocal" removes flow control (on RTS/CTS) - >> that's controlled by a separate option. >> >> What "clocal" does, is "disable modem control signals". >> Specifically, for a port marked "-clocal" (not local), >> an open() call will block until the device on the port >> asserts the CD (carrier detect) line, and if the CD >> line is deasserted the port will "hang up". This is >> useful for serial ports connected to dial-up modems, >> but not particularly desirable for serial ports being >> used to control local devices such as transceiver. >> >> I can't recall whether a -clocal port automagically >> asserts DTR even when it isn't open... I don't think so >> but I could be wrong. >> >> --=20 >> To unsubscribe from this list: send the line "unsubscribe linux-hams= " in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> > --=20 > To unsubscribe from this list: send the line "unsubscribe linux-hams"= in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-hams" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html