It is single-ended (I had assumed a change in state was all that was required). How do I invert the signal at HAL level. Would you expand a little on why that may defeat the logic in the mesa board please?
Thanks Richard Jon Elson wrote: > Richard Arthur wrote: > >> Why doesn't homing complete at the index pulse shown here: >> >> http://imagebin.org/9073 >> >> (Homing with HOME_USE_INDEX = FALSE works okay) >> >> > Your index pulse has the wrong polarity. Note it is sending > true almost all the time, then goes false for a moment. You > want it to be false except for a short duration. If it is a > differential signal, then switcxh the two wires to reverse the > sense. If it is single-ended, you should be able to invert the > polarity at hal level, although that may defeat the logic in the > mesa board. > > Jon > > ------------------------------------------------------------------------- > This SF.net email is sponsored by DB2 Express > Download DB2 Express C - the FREE version of DB2 express and take > control of your XML. No limits. Just data. Click to get it now. > http://sourceforge.net/powerbar/db2/ > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > > ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
