Dear Helpers,
    Now I'm going to compile EMC2 for the control of simultaneous 5-axis
manufacturing, but something puzzles me deeply.
    I tried to modify some files which correlate with the hexapod-sim, as
shown below ("--->" means "has been changed to" ) :

    ../configs/hexapod-sim/core_sim_6.hal:
         "newsig Cpos float
         linksp Cpos <= axis.5.motor-pos-cmd" deleted.
         "linksp Cpos => axis.5.motor-pos-fb" deleted.
         "newsig cena bit
         linksp cena axis.5.amp-enable-out" deleted.
         "newsig cflt bit
         linksp cflt axis.5.amp-fault-in" deleted.

    ../configs/hexapod-sim/minimetra.ini:
        EMCMOT =              motmod     --->     EMCMOT =
freqmod.o
        AXES =                  6       --->     AXES =                  5
        COORDINATES =           X Y Z A B C   --->     COORDINATES
=           X Y Z A B
        HOME =                  0 0 -20 0 0 0  --->     HOME
=                  0 0 -20 0 0
        "#+ Sixth axis ... # HOME_IGNORE_LIMITS =            NO" deleted

    After I "make", and  "sudo  make  setuid" and ran EMC2 and chose the
hexapod-sim,  the teminal showed:

EMC2 - pre-2.2 CVS HEAD
Machine configuration directory is
'/home/cm/Desktop/emc2/20070518/configs/hexapod-sim'
Machine configuration file is 'minitetra.ini'
Starting EMC2...
insmod: error inserting '/usr/realtime-2.6.15-magma/modules/rtai_smi.ko': -1
No such device
Realtime system did not load
Shutting down and cleaning up EMC2...
ERROR: Module hal_lib does not exist in /proc/modules
ERROR: Module rtapi does not exist in /proc/modules
ERROR: Module rtai_smi does not exist in /proc/modules
Cleanup done
EMC terminated with an error.  You can find more information in the log
files
    /root/emc_debug.txt
and
    /root/emc_print.txt
as well as in the output of the shell command 'dmesg' and in the terminal


    What should I do? Is there any file left to be modified?

David
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