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!.POSTED!not-for-mail From: "J-P. Rosen" Newsgroups: comp.lang.ada Subject: Re: GNATCOLL-Mmap example Date: Tue, 28 Jan 2020 06:59:57 +0100 Organization: Adalog Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Date: Tue, 28 Jan 2020 05:59:55 -0000 (UTC) Injection-Info: reader02.eternal-september.org; posting-host="b947314cdfc772217395c02ca47db71e"; logging-data="9314"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+FVs8m9OOzaHU9vyaG5UrZ" User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 Cancel-Lock: sha1:umFoPHU0JYsCOxhfF4gE1yVOyOc= In-Reply-To: Content-Language: fr Xref: reader01.eternal-september.org comp.lang.ada:57971 Date: 2020-01-28T06:59:57+01:00 List-Id: Le 28/01/2020 à 03:10, Stephen Leake a écrit : > The full code for my usage is complex. Distilling it down, it becomes something like: > > declare > use GNATCOLL.Mmap; > File : Mapped_File := Open_Read (file_name); > Region : Mapped_Region := Read (File); > Buffer : Str_Access := Data (region); > begin > -- use Buffer as a string, but there are no bounds, so be careful. > end; > >> I need to map the RPi's GPIO memory addresses so that I can do what I need to do. > I don't know if that's what you need, but for accessing memory directly you can use my Storage_Stream package at: http://www.adalog.fr/en/components.html#Storage_Stream -- J-P. Rosen Adalog 2 rue du Docteur Lombard, 92441 Issy-les-Moulineaux CEDEX Tel: +33 1 45 29 21 52, Fax: +33 1 45 29 25 00 http://www.adalog.fr