7.4.2.
Tips and Tricks
• Whi le pro gram ming in ter rupts keep in mind:
- Set glo bal in ter rupt en ab le.
(is done by SSI Start of ERMA_SSI.DLL when used)
- Set used in ter rupt- en ab les
• If dri vers are de ve lo ped, the fol lo wing points should be con si de red:
- Whi le wri ting to re gi sters, set all unu sed bits to 0
- Whi le rea ding re gi sters, mask out all unu sed bits.
This will safe com pa ti bi li ty with fu tu re chan ges.
8.
Troubleshooting
All PC- boards of ER MA- E lectro nic GmbH are te sted du ring ma nu fac tu ring as
well as when de li vered. Ne vert he less it can oc cur that a new board doesn’t work.
That must not be a fai lu re of the board. The re are many minor de tails when a new
board doesn’t work. In that case at first some points should be paid at ten ti on to.
• One of the most fre quent fai lu res are dir ty slots. It is re com men ded to cle an the
con nec tor of the board with a cloth and a litt le spi rit.
• Furt her it can hap pen that the board doesn’t fit cor rectly into the slot or into the
PC case. The di men si ons of the board are stan dar di zed. But the di men si on of
the PC cases are so me ti mes out of the prescri bed di men si ons.
• The cable of the pe ri phe rie should be te sted.
If you have ob ser ved the hints abo ve and the board doesn’t work at all call the
ERMA - Team. The ER MA- Team will help you.
ERMA-Electronic GmbH
22
8. Troubleshooting