MQTT Topics: Difference between revisions

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! Notes
! Notes
|-
|-
| nh/mb/tx || nh-matrix script transmits messages to be displayed ||
| nh/mb/tx || nh-matrix script transmits messages to be displayed ||  
|-
|-
| nh/mb/rx || confirmation of displayed message is returned to nh-matrix||
| nh/mb/rx || confirmation of displayed message is returned to nh-matrix||
|-
|-
| nh/mb/Status || depreciated in MattrixMQTT but still used via nh-matrix ||  
| nh/mb/Status || deprecated in MattrixMQTT 004 but still used via nh-matrix ||  
|}
|}


==IRC Bot: nh-holly==
==IRC Bot: [[nh-holly]]==
Living in [irc://chat.freenode.net/#nottinghack #nottinghack on freenode], nh-holly is our MQTT to IRC bridge
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==nh-twitter: @Holly533MHz==
==@Holly533MHz: [[nh-twitter]]==
Twitter to MQTT bridge
 
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==[[Temperature Monitoring|Temperature]]==
==[[Temperature Monitoring|Temperature]]==
Readings from DS18B20 1-Wire digital temperature sensors around the space are published every 2.5 minutes.<br />
nh/temp<br>
nh/temp<br>
Message format as follows<br/>
Message format as follows<br/>

Revision as of 00:22, 8 February 2012

This is the list of MQTT Topics that are use by the various HackSpace Instrumentation projects.

All topics should be prefixed with "nh/"

STATUS

nh/status
All clients should subscribe to the topic and listen for the message "STATUS"
Clients should respond with there name and status.

Three states

  • Restart:
  • Running:
  • Terminated:

ie. "Running: MatrixMQTT"

Include the : and a space before the clients name,

Current list of clients

  • MatrixMQTT
  • Gatekeeper (arduino)
  • nh-irccat
  • nh-irc
  • nh-matrix
  • GateKeeper (process)
  • nh-gk-if
  • nh-irc-misc

The status of all running clients is logged and reported here http://lspace.nottinghack.org.uk/addr_graphs/status.php

Gatekeeper

Topic Description Notes
nh/gk/Unlock
nh/gk/DoorState
nh/gk/Keypad
nh/gk/DoorButton
nh/gk/RFID
nh/gk/LastManState
nh/gk/Status

MatrixMQTT

Topic Description Notes
nh/mb/tx nh-matrix script transmits messages to be displayed
nh/mb/rx confirmation of displayed message is returned to nh-matrix
nh/mb/Status deprecated in MattrixMQTT 004 but still used via nh-matrix

IRC Bot: nh-holly

Living in #nottinghack on freenode, nh-holly is our MQTT to IRC bridge

Topic Description Notes
nh/irc/tx
nh/irc/rx

@Holly533MHz: nh-twitter

Twitter to MQTT bridge

Topic Description Notes
nh/twitter/tx
nh/twitter/rx/dm/<screen_name DM to @Holly533Mhz from <Screen_name>
nh/twitter/rx/mention/<screen_name> mention of @Holly533Mhz by <screen_name>
nh/twitter/rx/hs latest tweet from @HSNOTTS includes retweets payload <screen_name>:<text>

Temperature

Readings from DS18B20 1-Wire digital temperature sensors around the space are published every 2.5 minutes.
nh/temp
Message format as follows
address:temp

address Hex string 16 long
temp Float 00.00