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=unavailable autolearn_force=no version=3.4.4
Path: 
 eternal-september.org!reader01.eternal-september.org!feeder.eternal-september.org!aioe.org!.POSTED.fn3LatRFkm9/xzEj7F2/NQ.user.gioia.aioe.org!not-for-mail
From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: GNATCOLL-Mmap example
Date: Tue, 28 Jan 2020 09:25:23 +0100
Organization: Aioe.org NNTP Server
Message-ID: <r0or5j$7t3$1@gioia.aioe.org>
References: <a97a7b9a-48b5-4741-927c-a8ac2b44c80b@googlegroups.com>
NNTP-Posting-Host: fn3LatRFkm9/xzEj7F2/NQ.user.gioia.aioe.org
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
X-Complaints-To: abuse@aioe.org
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101
 Thunderbird/68.4.1
X-Notice: Filtered by postfilter v. 0.9.2
Content-Language: en-US
Xref: reader01.eternal-september.org comp.lang.ada:57972
Date: 2020-01-28T09:25:23+01:00
List-Id: <comp.lang.ada>

On 2020-01-25 22:52, Bob Goddard wrote:

> I need to map the RPi's GPIO memory addresses so that I can do what I need to do.

See files under:

    /sys/class/gpio

You can use standard Ada I/O to read and set GPIO pins. E.g.

    /sys/class/gpio/gpio/XXX/value

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de