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userpages:pixelrinnsal [2025-04-19 00:59 UTC] – add note about current setup lucauserpages:pixelrinnsal [2025-04-20 11:54 UTC] (aktuell) – prefix and routing info kleinesfilmroellchen
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 ===== How to rinn ===== ===== How to rinn =====
- 
-<WRAP round info> 
-Currently, Pixelrinnsal is only reachable by plugging into one of ports 1--11 of the EX2200 next to (**not** below) the projector.\\ 
-Upon connecting, an address should be assigned via SLAAC. Additionally, traffic to ''fd42:1337:0:1::/64'' must be routed via ''fd42:1337::1'', e.g.\\ 
-''ip route add fd42:1337:0:1::/64 via fd42:1337::1 dev eth0'' 
-</WRAP> 
  
 Pixelrinnsal utilises the [[https://entropia.de/GPN17:Pingxelflut#Format|Pingxelflut "protocol" (de)]], which encodes position and colour in an IPv6 address. To set a pixel, one simply has to send an IPv6 packet to the corresponding address. Pixelrinnsal utilises the [[https://entropia.de/GPN17:Pingxelflut#Format|Pingxelflut "protocol" (de)]], which encodes position and colour in an IPv6 address. To set a pixel, one simply has to send an IPv6 packet to the corresponding address.
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 The format of the addresses is as follows: The format of the addresses is as follows:
  
-  fd42:1337:0:1::0023:0042:ff00:ff00 +  2a07:c483:100:241:0023:0042:ff00:ff00 
-  \_____  _____/ XXXX YYYY RRGG BBPP  XXXX = X coordinate, starting at 0 (big-endian) +  \______  _______/ XXXX YYYY RRGG BBPP  XXXX = X coordinate, starting at 0 (big-endian) 
-        \/                            YYYY = Y coordinate, starting at 0 (big-endian) +         \/                              YYYY = Y coordinate, starting at 0 (big-endian) 
-      prefix                          RR   = Red channel +       prefix                            RR   = Red channel 
-                                        GG = Green channel +                                           GG = Green channel 
-                                      BB   = Blue channel +                                         BB   = Blue channel 
-                                        PP = Padding (ignored)+                                           PP = Padding (ignored)
  
 In this example, the pixel at X=23, Y=42 is set to #ff00ff. In this example, the pixel at X=23, Y=42 is set to #ff00ff.
  
 **Note:** Pixelrinnsal //does not send responses//, i.e. ping requests are not answered and TCP connections do not work. **Note:** Pixelrinnsal //does not send responses//, i.e. ping requests are not answered and TCP connections do not work.
 +
 +The prefix for Pixelrinnsal is ''2a07:c483:100:241::'' make sure to route pings to this range via the ''2a07:c483:100:240::/64'' network of the NOC.