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List:       comedi
Subject:    Multiple cards in Comedi
From:       Dadang Sastrawan <dsastrawan () bdg ! centrin ! net ! id>
Date:       2007-09-21 8:25:39
Message-ID: 24163.202.138.229.134.1190363139.squirrel () bdg ! centrin ! net ! id
[Download RAW message or body]

Dear Comedi users,

I am installing several Advantech PCI-1758 + PCI-1711 + PCI-1724 boards in
an Advantech Industrial Computer with 12 PCI slots. The installation of
comedi-0.7.60, and also comedilib-0.7.20 in RedHat 9.0 (2.4.20 kernel
version), has been completed.

The installation comes with the following default device files:
/dev/comedi0,
/dev/comedi1,
/dev/comedi2,
/dev/comedi3

Due to 11 (eleven) boards will be installed, I created some more devices
file, i.e.: /dev/comedi4 .... /dev/comedi10.

I am not able to perform the comedi_config for /dev/comedi4, /dev/comedi5,
... and so on. The attached file shows that only the first four defauld
device files are
sucessfully linked to the boards.

Can anybody share his/her experiences to work with multiple cards in Comedi?

Thank you very much and best regards,
Dadang Sastrawan

["comedi_config 4+ device files.txt" (text/plain)]

[root@IO-Standard comedi-0.7.60]# ll /dev/comedi*
crw-rw-rw-    1 root     root      98,   0 Sep 14 20:48 /dev/comedi0
crw-rw-rw-    1 root     root      98,   1 Sep 14 20:48 /dev/comedi1
crw-rw-rw-    1 root     root      98,  10 Sep 19 18:57 /dev/comedi10
crw-rw-rw-    1 root     root      98,   2 Sep 14 20:48 /dev/comedi2
crw-rw-rw-    1 root     root      98,   3 Sep 14 20:48 /dev/comedi3
crw-rw-rw-    1 root     root      98,   4 Sep 19 18:23 /dev/comedi4
crw-rw-rw-    1 root     root      98,   5 Sep 19 18:24 /dev/comedi5
crw-rw-rw-    1 root     root      98,   6 Sep 19 18:24 /dev/comedi6
crw-rw-rw-    1 root     root      98,   7 Sep 19 18:24 /dev/comedi7
crw-rw-rw-    1 root     root      98,   8 Sep 19 18:57 /dev/comedi8
crw-rw-rw-    1 root     root      98,   9 Sep 19 18:57 /dev/comedi9
[root@IO-Standard comedi-0.7.60]# cat /proc/comedi
comedi version 0.7.60
format string: "%2d: %-20s %-20s %4d",i,driver_name,board_name,n_subdevices
 0: pci1710              pci1711                 6
 1: adv_pci1758          pci1758UDI              8
 2: adv_pci1758          pci1758UDI              8
 3: adv_pci1758          pci1758UDO              8
pci1724:
 pci1724
adv_pci1758:
 pci1758UDI
 pci1758UDO
 pci1758UDIO
pci1710:
 pci1710
 pci1710hg
 pci1711
 pci1713
 pci1720
 pci1731
[root@IO-Standard comedi-0.7.60]# comedi_config /dev/comedi4 pci1758UDO
comedi.o not loaded
[root@IO-Standard comedi-0.7.60]# comedi_config /dev/comedi5 pci1724
comedi.o not loaded
[root@IO-Standard comedi-0.7.60]#

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