Lars Andersson wrote: > 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. > > Could you show the full lspci output for the card?
If the card has only one i/o area, it may not be compliant with ECP/EPP standard registers. A plug-n-play compliant PCI parallel port card (that is also compliant with ECP1.9) should have a base I/O address, and another area 0x400 above that, for each port the card has. I get the impression their cards are EPP only, with none of the ECP registers. Without datasheets, the only way to learn more about the card is to have one. If you write 0x80 to 0xC002, can you read back that value? ------------------------------------------------------------------------------ This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
