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[ts-7000] Webserver access to /dev/mem

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Subject: [ts-7000] Webserver access to /dev/mem
From: "Keith Gilman" <>
Date: Tue, 04 Oct 2005 04:27:40 -0000
Newbie to Linux trying to set up a webserver with the TS7250. I have 
the server up but I want to be able to read the onboard temperature. 
I'm using the test-cgi script that shipped with the board with the 
following two lines added:

echo UPTIME=`uptime`
echo TEMP=`./tempSensor' #tempSensor.c downloaded from the TS website

The uptime works as expected but the tempSensor logs the following 
error to the apache error logger:

tempSensor.c:42 main:Assertion 'fd != -1' failed.

The source is:

        int fd = open("/dev/mem", O_RDWR);
        assert(fd != -1);

Thanks in advance for any advice
-Keith







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