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Please note:This article is obsolete or related to an obsolete product.

Remote I/O control with HTML and CGI

written by Sergio Tanzilli

This article illustrates how to write a cgi in C to generate a web page to control remotely each I/O line available on J6 and J7 extension sockets

The iocontrol web page

How to install the iocontrol cgi

The web page shown different I/O sections:

  • Lines A0-A7 (configurable as input or output)
  • Lines B0-B7 (configurable as input or output)
  • Lines IOG8-IOG15 (configurable as a block of all input or all output)
  • Lines IOG16-IOG23 (configurable as a block of all input or all output)
  • Lines IOG0 and IOG24 (configurable as input or output)
  • Lines IG1-IG7 and IG25-IG31 (fixed as input)
  • Lines OG1-OG7 and OG25-OG31 (fixed as output)

For each block there is the line name, the physical pin on J6 or J7 and some buttons to set (3.3 volt) or clear (0 volt) the line and configure it as input or output when applicable.

On every refresh of this page the state (HI or LO) of each input line is updated.

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Acme Systems provides this documentation "as is" without warranty or guarantees of any kind. The maintainer of this site (Sergio Tanzilli), has gone to a great deal of effort into making this documentation as correct as possible. Acme Systems does not provide any direct support for the Open Source preinstalled software but does provide, through these pages and forum posts, all of the information required to obtain the sources, install, use and update the Open Source software that can be run on the Acme platforms. Please note that all of the preinstalled software, used on the Acme Systems products, are Open Source and you will need to check the license terms provided (usually the GPL) by each author before using it in any commercial or non-commercial product, by yourself. Before sending emails or calling the Acme staff please note that WE ARE MAINLY HARDWARE DESIGNERS and NOT LINUX GURUS and therefore ask that you post your questions directly to the forum listed below and ensure that all of the site contributors and large software community will read and reply to your questions.

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