42 lines
1.8 KiB
Plaintext
Executable file
42 lines
1.8 KiB
Plaintext
Executable file
The driver for the HFC-PCI and HFC-PCI-A chips from CCD may be used
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for many OEM cards using this chips.
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Additionally the driver has a special feature which makes it possible
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to read the echo-channel of the isdn bus. So all frames in both directions
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may be logged.
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When the echo logging feature is used the number of available B-channels
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for a HFC-PCI card is reduced to 1. Of course this is only relevant to
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the card, not to the isdn line.
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To activate the echo mode the following ioctls must be entered:
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hisaxctrl <driver/cardname> 10 1
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This reduces the available channels to 1. There must not be open connections
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through this card when entering the command.
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And then:
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hisaxctrl <driver/cardname> 12 1
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This enables the echo mode. If Hex logging is activated the isdnctrlx
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devices show a output with a line beginning of HEX: for the providers
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exchange and ECHO: for isdn devices sending to the provider.
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If more than one HFC-PCI cards are installed, a specific card may be selected
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at the hisax module load command line. Supply the load command with the desired
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IO-address of the desired card.
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Example:
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There tree cards installed in your machine at IO-base addresses 0xd000, 0xd400
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and 0xdc00
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If you want to use the card at 0xd400 standalone you should supply the insmod
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or depmod with type=35 io=0xd400.
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If you want to use all three cards, but the order needs to be at 0xdc00,0xd400,
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0xd000 you may give the parameters type=35,35,35 io=0xdc00,0xd400,0xd00
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Then the desired card will be the initialised in the desired order.
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If the io parameter is used the io addresses of all used cards should be
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supplied else the parameter is assumed 0 and a auto search for a free card is
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invoked which may not give the wanted result.
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Comments and reports to werner@isdn4linux.de or werner@isdn-development.de
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