From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,c8285f0accc9bf94 X-Google-Attributes: gid103376,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news1.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local01.nntp.dca.giganews.com!nntp.comcast.com!news.comcast.com.POSTED!not-for-mail NNTP-Posting-Date: Wed, 04 Jul 2007 05:15:03 -0500 Date: Wed, 04 Jul 2007 06:06:33 -0400 From: Jeffrey Creem User-Agent: Thunderbird 2.0.0.4 (Windows/20070604) MIME-Version: 1.0 Newsgroups: comp.lang.ada Subject: Re: To program RS-485 References: <1183472729.354677.313330@e9g2000prf.googlegroups.com> <1183522119.176242.208590@e16g2000pri.googlegroups.com> In-Reply-To: <1183522119.176242.208590@e16g2000pri.googlegroups.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Message-ID: X-Usenet-Provider: http://www.giganews.com NNTP-Posting-Host: 24.147.74.171 X-Trace: sv3-FV1JFcxWXbWnHwT+1c2sMe2rBIwBBSFelsgqlcYmW5RopaB3gslRYvHPpdRV2eAZvzgjd3zZ0gfMjMR!kNcetotFDws/+2CGw7Hgay5I+Z7C9jM889cbO/PnxPPl7TZYeZcMiMIWUhpJFsZcwi9hoKss9O+i!AOcfcBD8hEotRLGuZHa8aA== X-Complaints-To: abuse@comcast.net X-DMCA-Complaints-To: dmca@comcast.net X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.35 Xref: g2news1.google.com comp.lang.ada:16408 Date: 2007-07-04T06:06:33-04:00 List-Id: Beh Kheng-Yin wrote: > On Jul 4, 11:26 am, "Steve" wrote: >> "Beh Kheng-Yin" wrote in message >> >> news:1183472729.354677.313330@e9g2000prf.googlegroups.com... >> >>> Hi, >>> Does anyone have the experience in programmingRS-485? I need some >>> ideas. Thanks. >> More information needed. >> >> Are you looking for a project for school? >> >> Are you trying to write an Ada program that communicates with a device usingRS-485and need help? >> >> Are you trying to implement a low level serial driver on a microcontroller? >> >> Please give a better description of what you're looking for. >> >> Regards, >> Steve >> (The Duck) > > Hi, > > Yes, I am working on my Automation course project. I need to write an > Ada program to communicate with a microcontroller network via RS-485. > I am a beginner and I haven't a clue how to program it, any idea? > > Thanks and Regards, > Allison Beh > Keep going....You want to communicate with a microcontroller network but what is your code running on? Windows, Linux, an RTOS? A microcontroller itself? Are you actually trying to write a device driver for RS-485, interface to a device driver? Find a particularly well supported piece of hardware? http://www.catb.org/~esr/faqs/smart-questions.html