From mboxrd@z Thu Jan 1 00:00:00 1970 From: f8arr Subject: Re: Issue with RS232 <-> USB adaptor (FC15) Date: Mon, 13 Jun 2011 23:26:32 +0200 Message-ID: <4DF68088.9070501@f8arr.org> References: <4DF663E7.7040100@f8arr.org> <4DF66BF8.6090003@shom.fr> <4DF672E6.7050403@f8arr.org> <4DF678B0.1080600@shom.fr> <4DF67C02.4060200@radagast.org> Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <4DF67C02.4060200@radagast.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 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. > > -- > 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