Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revisionLast revisionBoth sides next revision | ||
| cerf_notes [2007-06-12 18:36] – nik | cerf_notes [2007-06-12 18:38] – nik | ||
|---|---|---|---|
| Line 94: | Line 94: | ||
| - | ==== example code for reading from the GPIO pins ==== | ||
| - | accessing the cerfboard GPIO pins under linux | + | |
| - | + | ==== example code for reading from the GPIO pins ==== | |
| - | better than nothing, and probably about all we need. tho i'm not sure how to go about doing anything realtime-like using mmap - that is, interrupts, rather than agressive polling to catch all of the pulses. | + | accessing the cerfboard GPIO pins under linux. better than nothing, and probably about all we need. tho i'm not sure how to go about doing anything realtime-like using mmap - that is, interrupts, rather than agressive polling to catch all of the pulses. |
| http:// | http:// | ||
| Line 153: | Line 152: | ||
| ==== configs ==== | ==== configs ==== | ||
| see; [[Cerf Config]] | see; [[Cerf Config]] | ||
| + | |||
| ==== hardware ==== | ==== hardware ==== | ||
| Line 189: | Line 189: | ||
| </ | </ | ||
| </ | </ | ||
| - | + | ||
| The plugs are available from RS, part number 464-044. They cost 8.50 Euro (March 2004), are sturdy and not too bad to solder. They are manufactured by Binder, http:// | The plugs are available from RS, part number 464-044. They cost 8.50 Euro (March 2004), are sturdy and not too bad to solder. They are manufactured by Binder, http:// | ||
nik