​​LASS - Data specification
​​Field separator ( | ), SubField separator ( , )
​​ 
​​Data Format
  • ​​
​​Sample log data
​​data.log-20151011
​​LASS/Test/MAPS |ver_format=1|fmt_opt=0|app=MAPS|ver_app=0.7.0|device_id=LASS-MAPS-LJ|tick=421333057|date=2015-10-10|time=06:54:52|device=LinkItONE|values=37250.00,100.00,1.00,0.00,0.00,0.00,0.00,0.00,0.00,0.00,1007.71,26.70,81.30,6.00,0.00,0.00,0.00,0.00,0.00,0.00|data-0=37250.00|data-1=100.00|data-2=1.00|data-3=0.00|data-B=1007.71|data-T=26.70|data-H=81.30|data-L=6.00|gps-loc={ type:"Point",  coordinates: [25.024463 , 121.368752 ] }|gps-fix=1|gps-num=6|gps-alt=3
​​python DataPresentation/lass.py
​​22:51:12|LASS/Test/MAPSer_format=2|fmt_opt=0|app=MAPS|ver_app=0.7.1|device_id=LASS-MAPS-LJ|tick=132560330|date=2015-10-12|time=14:51:09|device=LinkItONE|data-0=11568.00|data-1=100.00|data-2=1.00|data-3=0.00|data-B=1016.39|data-T=22.80|data-H=57.70|data-L=0.00|gps-lat=25.024421|gps-lon=121.368866|gps-fix=1|gps-num=5|gps-alt=
​​ 
​​ 
​​Log definition
​​local time|MQTT topic| MQTT record definition
​​ 
​​MQTT Topic definition
​​The topic must start by LASS
​​The second layer defined as topic group
​​The third layer defined as app name
​​ 
​​MQTT Record definition
​​|ver_format=1|fmt_opt=0|app=MAPS|ver_app=0.6.6|device_id=LASS-MAPS-LJ|tick=24082421|date=30/9/15|time=11:37:21|device=LinkItONE|values=2128.00,100.00,1.00,0.00,0.00,0.00,0.00,0.00,0.00,0.00,1008.58,28.10,99.90,0.00,0.00,0.00,0.00,0.00,0.00,0.00|gps=$GPGGA,113721.000,2502.2129,N,12136.8749,E,0,0,,137.1,M,15.3,M,,*4F\r
​​ 
​​Record field definition
​​ver_format (current default 3)
  • ​​the MQTT record format version.
  • ​​ver_format=0 reserved for user defined format, default system tool will filter out these data because of format can't be handle. 
​​fmt_opt
  • ​​the format option. (0) default (1) gps information invalid
​​app
  • ​​the system wide unique application name, please name it as what ever you like. To avoid the duplication, please register app name here
​​ver_app
  • ​​the LASS version (ex. 0.7.5)
​​device_id
  • ​​the device id, should be unique in your application (ex. LASS-MAPS-LJ)
​​tick : 
  • ​​system tick
​​date : 
  • ​​date information ( device parse it from gps information) (ex. 2015-10-12)
​​time : 
  • ​​time information ( device parse it from gps information) (ex. 06:54:52)
​​device: 
  • ​​device type. current
  • ​​LinkItONE
  • ​​Ameba
  • ​​Linkit7697
​​s_n: 
  • ​​sensor type
  • ​​sensor type format is type+sequence+.extension, type start from 1 character. Can extend to more characters. Sequence, extension must be numbers. start from 1 digit, be extend to more digits. .extension is optional.  numbers