Specifications

Comedi
74 / 148
to the 8255’s port A, bit 0; channel 23 corresponds to port C, bit
7. Direction configuration is done in blocks, with channels 0-7,
8-15, 16-19, and 20-23 making up the 4 blocks. The only 8255 mode
supported is mode 0.
You should enable compilation this driver if you plan to use a board
that has an 8255 chip. For multifunction boards, the main driver will
configure the 8255 subdevice automatically.
This driver also works independently with ISA and PCI cards that
directly map the 8255 registers to I/O ports, including cards with
multiple 8255 chips. To configure the driver for such a card, the
option list should be a list of the I/O port bases for each of the
8255 chips. For example,
comedi_config /dev/comedi0 8255 0x200,0x204,0x208,0x20c
Note that most PCI 8255 boards do NOT work with this driver, and
need a separate driver as a wrapper. For those that do work, the
I/O port base address can be found in the output of ’lspci -v’.
5.5.2 acl7225b -- Adlink NuDAQ ACL-7225b & compatibles
Author: José Luis Sánchez ([e-mail])
Status: testing
Manufacturer Device Name
Adlink ACL-7225b acl7225b
ICP P16R16DIO p16r16dio
5.5.3 adl_pci6208 -- ADLink PCI-6208A
Author: nsyeow <[e-mail]>
Status: untested
Manufacturer Device Name
ADLink PCI-6208A adl_pci6208
Configuration Options:
none