I am trying to set up a pluto-servo system but have problems with the
parallel port setting.. This will be my second EMC2 system, already have a
Gecko G540 stepmotor based system up and running. The parallel port board is
a LAVA board which is not NetMos based, it is stated asa proprietary ASIC
MOKO-S3/S4.

 

So far I can send code to the Pluto-P board in basic mode using  command
"plutopgm 0xBC00 Ledblink.rbf".  This plutopgm sends rbf data bit by bit in
printer mode so this does not need EPP mode. I suspect this is the same way
that loadrt uses to send .rbf data to Pluto-P.

 

If I  " loadrt pluto_servo ioaddr=0xBC00 " there is no complaint.

However "show param  pluto-servo.communication-error" increments rapidly
when trying to pass data to/from the PlutoP. 

 

I guess the port is not in EPP mode. lspci -v says port  is at 0xBC00 and
[bi-dir].  To set EPP mode one shall write 0x80 in 0xC002 which is the ECP
control reg.

But the board  is not in ECP mode either. There is no area assigned at
C000-C007. Sending 0x04 to 0xBC02 is no help either.

 

Any comment on this appreciated.

 

 

 

 

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