From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?iso-8859-1?Q?Chris_Dor=E9?= Subject: RE: Handling RTS Date: Wed, 9 Jan 2008 15:35:43 -0500 Message-ID: <008101c852ff$36201730$a2604590$@com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from inetc.connecttech.com ([64.7.140.42]:4770 "EHLO inetc.connecttech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753447AbYAIVId (ORCPT ); Wed, 9 Jan 2008 16:08:33 -0500 Received: from connecttech.com (cti2.connecttech.com [206.130.75.42]) by inetc.connecttech.com (8.13.3P/8.13.3) with ESMTP id m09Ka8rD096566 for ; Wed, 9 Jan 2008 15:36:08 -0500 (EST) (envelope-from cdore@connecttech.com) Received: from cdore ([206.130.75.122]) by connecttech.com (8.10.1/UW7.1.1-NSCd) with ESMTP id m09KZk023268 for ; Wed, 9 Jan 2008 15:35:46 -0500 (EST) In-Reply-To: Content-Language: en-ca Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: linux-serial > -----Original Message----- > From: linux-serial-owner@vger.kernel.org [mailto:linux-serial- > owner@vger.kernel.org] On Behalf Of JZabalza@cemitec.com > Sent: January 9, 2008 1:18 PM > > If there is not another way, which shall be the best strategy to implement > this (activate RTS when uart is transmiting data and deactivate when > transmision is finish. It would be another protocol different but similar > to RTS/CTS protocol) on linux driver (modifying serial_core.c to accept a > new CFLAG?) ? What UART are you using? Some newer UARTs have built-in capabilities for the RTS framing. So instead of having to toggle RTS manually, you can flip a bit and let the UART do it for you whenever it transmits...unless that won't work for you. .Chris