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Latest revision | Your text | ||
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|description=Raspberry Pi Model B | |description=Raspberry Pi Model B | ||
|image=Raspberrypi.jpg | |image=Raspberrypi.jpg | ||
|os= | |os=Arch Linux ARM | ||
|location=Schleuse | |location=Schleuse | ||
|purpose=Spendenterminal | |purpose=Spendenterminal | ||
|disk=16GB | |disk=16GB SDHC | ||
|ram= | |ram=256MB | ||
|admin_toolkit=No | |admin_toolkit=No | ||
|ssh_root_keys=~/.ssh/authorized_keys | |ssh_root_keys=~/.ssh/authorized_keys | ||
Line 15: | Line 15: | ||
|contactnick=fibre | |contactnick=fibre | ||
|use=ask | |use=ask | ||
|admins=derf | |admins=derf, muzy | ||
|mac=b8:27:eb:23:47:c2 | |mac=b8:27:eb:23:47:c2 | ||
}} | }} | ||
Steuert das [[Spendenterminal | Steuert das [[Spendenterminal]]. Zieht [[Has power::3W]]. Hängt im Kabelsalat unter dem Holzvorsprung. | ||
{| class="wikitable" | {| class="wikitable" | ||
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| USB || Magnetkartenleser | | USB || Magnetkartenleser | ||
|- | |- | ||
| | | PI:10 (GPIO15) || Tastknopf (schaltet auf GND) | ||
|- | |- | ||
| P1: | | P1:16 (GPIO23) || 6k8 zu NPN-Basis für Status-LED | ||
|- | |- | ||
| microUSB (VCC) || 5V 700mA Micro-USB-Netzteil, Label "RPi" | | microUSB (VCC) || 5V 700mA Micro-USB-Netzteil, Label "RPi" | ||
Line 55: | Line 36: | ||
|} | |} | ||
== avrshift | == avrshift == | ||
[[ | [[File:Avrshift.png|300x300px|framed|right]] | ||
Wird demnächst™ angeschlossen. ATTiny2313 als Schieberegister mit twowire-Ansteuerung (An I²C angelehnt). Der oberste Anschluss (rotes Flachbandkabel) ist Nummer 1. | |||
{| class="wikitable" | {| class="wikitable" | ||
! | ! Anschluss !! Gerät | ||
|- | |||
| 1 || ''frei'' | |||
|- | |||
| 2 || ''frei'' | |||
|- | |||
| 3 || ''frei'' | |||
|- | |- | ||
| 4 || ''frei'' | | 4 || ''frei'' | ||
|- | |- | ||
| 5 || | | 5 || ''frei'' | ||
|- | |- | ||
| 6 || | | 6 || ''frei'' | ||
|- | |- | ||
| 7 || ''frei'' | | 7 || ''frei'' | ||
|- | |- | ||
| 8 || | | 8 || ''frei'' | ||
|- | |- | ||
| 9 || ''frei'' | | 9 || ''frei'' | ||
Line 80: | Line 65: | ||
| 10 || ''frei'' | | 10 || ''frei'' | ||
|- | |- | ||
| | |} | ||
Die Input-Pins akzeptieren Spannungen von 3 bis 16 Volt und sind durch Optokoppler galvanisch von der restlichen Schaltung getrennt. | |||
Kommunikation: | |||
{| class="wikitable" | |||
! CLOCK !! DATA !! Aktion | |||
|- | |- | ||
| | | ↑ || <tt>X</tt> || Bit <tt>X</tt> von rechts (als Least Significant Bit) ins Register schieben | ||
|- | |- | ||
| | | ↓ || 1 || Aktuelle Registerwerte auf Ausgänge übernehmen | ||
|- | |- | ||
| ↓ || 0 || ''Keine'' | |||
|} | |} |