Re: Illegal instruction....

[David J Taylor]

08:27 26/05/2020Yo David!

[]
Why not use ntpviz, skyview.php, webgps, or the other clients gpsd
offers?
[]
Without knowing how you compiled, hard to say anything.  I assume ou did not
try to run the 4B binary on a 1B.  Different CPUs, different instruction 
sets.
[]
First step is to send here your build procedure and your entire build
output.

RGDS
GARY
=================================================

Gary,

I'm using SNMP for monitoring the GPS performance.  I need something which 
can be called via the SNMP "pass" command, i.e a program or script which 
respond to certain parameters with certain outputs - specifically:

Call:
 gpsGetSatellites -g .1.3.6.1.2.1.25.1.31
Returns the number of visible satellites:
.1.3.6.1.2.1.25.1.31
gauge
19

Call:
gpsGetSatellites -g .1.3.6.1.2.1.25.1.32
Returns the number of used satellites:
.1.3.6.1.2.1.25.1.32
gauge
10

Call:
gpsGetSatellites -g .1.3.6.1.2.1.25.1.33
Returns the average SNR of the used satellites:
.1.3.6.1.2.1.25.1.33
gauge
33.875000

A relatively simple C program seemed a good way to do this, but if there is 
a better way using the tools you mentioned please tell me more.  The use of 
SNMP is a requirement as the monitoring is done remotely using MRTG.

Correct, I complied and ran on the Raspberry Pi 1B.

There isn't a build procedure as such.  I simply run a compile and get an 
executable:

 gcc gpsGetSatellites.c -o gpsGetSatellites -lgps

I've tried this both in my home directory and in the gpsd directory where 
the whole of gpsd was built.  I get an executable which is 8388 bytes when 
using my home directory, and 8384 bytes when in gpsd.  I did try 
using -march=armv6 but that made no difference.

When run:

pi@raspi-3:~ $ ./gpsGetSatellites -g .1.3.6.1.2.1.25.1.31
Illegal instruction

Cheers,
David
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