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--- projects:mqtt [2014/12/24 17:37]
smile created
+++ projects:mqtt [2015/10/08 16:39]
ihmis-suski
@@ Line 1: / Line 1: @@
 ====== c-beam MQTT ======
+MQTT is a machine-to-machine (M2M)/"Internet of Things" connectivity protocol. see: http://mqtt.org
+We are running a mqtt server on c-beam.cbrp3.c-base.org on port 1883. It's only reachable from the internal network.
+An up-to-date listing of artefacts and their topics can be found from https://github.com/c-base/c-flo/tree/master/participants
+The content of the current participant folder (updated by running a grunt createMarkup command in c-flo)
+^ component ^ source ^ label ^ inports queue ^ outports queue^
+|c-base/ampel-nerd | n/a |pedestrian traffic light in front of the door to nerdarea|ampel/nerd, | n/a |
+|c-base/barstatus-bar | n/a |c-base bar status sign at the bar|bar/status, | n/a |
+|c-base/barstatus-c-lab | n/a |c-base bar status sign in the c-lab|bar/status, | n/a |
+|c-base/barstatus-nerd | n/a |c-base bar status sign in the nerd area|bar/status, | n/a |
+|c-base/c-beam |https://github.com/c-base/c-beam|c-base on-board computer| n/a |user/boarding, user/eta, c_out/play, c_out/loop, c_out/Julia, nerdctrl/open, siri/open, info/time, bar/status, |
+|c-base/c_leuse | n/a |c-base airlock|c_out/play, c_out/loop, c_out/Julia, | n/a |
+|c-base/he1 | n/a |c-base siri data rescue probe|he1/open, | n/a |
+|c-base/ingress-table |https://github.com/c-base/ingress-table|Ingress Table| n/a |ingress/status/a6301120831b46f1be00fa2cb0bce195.16, |
+|c-base/mechblast | n/a |c-base workshop blaster|c_out/play, c_out/loop, c_out/Julia, | n/a |
+|c-base/nerdctrl | n/a |c-base nerd control interface|nerdctrl/open, c_out/play, c_out/loop, c_out/Julia, |nerdctrl/open, |
+|c-base/siri | n/a |c-base siri data rescue probe|siri/open, c_out/play, c_out/loop, c_out/Julia, |siri/open, |
+Currently there are the following topics:
+^ topic                 ^ interval ^ description ^
+|info/time              |  1 minute  | current date and time |
+|c_out/loop             | 10 minutes | starts a new sound loop on c_out |
+|c_out/play             |  n/a       | playload plays various sound samples |
+|c_out/Julia            |  n/a       | playload plays announcements on c_out via tts with voice Julia|
+|nerdctrl/open          |  n/a       | opens the payload URL in a browser in the nerdarea |
+|client/echelon         |  n/a       | this is a retained topic, if it is available, the traffic stats script on echelon is running |
+|system/echelon/traffic |  1 minute  | average incoming and outgoing traffic on ipb and kdg lines from echelon in bytes/s since last message |
+|ingress/status/+       |  n/a       | these are retained topics and show status of the ingres portals around the c-base |
+|user/boarding          |  n/a       | triggered when a member logs in, message contains the username in JSON format |
+|ampel/nerd             |  n/a       | Beispiel JSON-Daten für die Message: '{"red": 1, "green": 0}' |
+|ampel/mainhall         |  n/a       | wie, ampel nerd, aber zusätzlich noch mit Gelb: {"red": 1, "green": 1, "yellow": 1} |
+====== mqtt-sender ======
+The topics from echelon are published with a small lua daemon, which can be easily extended.
+Check it out from: https://github.com/c-base/mqtt-sender

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