Re: [ts-7000] TS7500 DIO control while user is not root

[Jonatan Olofsson <>]

Hi,

You should try to chmod /dev/mem to allow users to use the node. I'm not quite sure what permissions you want or what group to set, but a quick search on google for "chmod /dev/mem" should yield a few interesting results

Best regards

//Jonatan

On Thu, Jan 13, 2011 at 12:03, frankvd99 <> wrote:

 

Hello,

I have a TS7500 board and trying to control the digital IO lines from Debian-linux on the sd-card.

When running the script below as user "root" it works fine. When doing the same thing as user eclipse (or any other user) I get below message.

#!/bin/sh
. /initrd/ts7500.subr
#
echo "IO value of pin 5:"
getdiopin 5
#

Response when user root:
IO value of pin 5:
1

Response when user eclipse:
ts7500ctl: ts7500ctl.c: 771 main: Assertion 'dev/mem !=-1' failed

I've traced this back to the ts7500ctl.c file which is trying to open /dev/mem, which is not allowed.

Is there another way how I can get this done. My goal is to run TS7500 digital IO control from a CGI script in the Apache webserver. Apache does not allow you to run it as root, so that is not a workaround.

Thanks for your help
Frank

__._,_.___

Your email settings: Individual Email|Traditional
Change settings via the Web (Yahoo! ID required)
Change settings via email: =Email Delivery: Digest | m("yahoogroups.com?subject","ts-7000-fullfeatured");=Change Delivery Format: Fully Featured">Switch to Fully Featured
Visit Your Group | Yahoo! Groups Terms of Use | =Unsubscribe

__,_._,___