All information collected from sensor board should be available as via a CoRE resourceCoAP server, mapped as below.This , and using simple json responses. This mapping is created after the mote identifies the sensor board and starts to collect sensor data. 

Well knows REST resources

GET /.well-known/core

Parameters

...

 

GET /d

GET  

Description	ResponseRequest	Example	Possible Answer
Sensor Board Interface Version	</d/itf_ver>;rt="simple.dev.itfv";if="core.rp"	GET /d/iter_ver	{"e": [ {  "n": "version", "sv": "123" } ] }	Sensor Board Identification	</d/brd_id>;rt="simple.dev.brdid";if="core.rp"	GET /d/brd_id	{"e":         [            { "n": "model", "sv": "model_name" },            { "n": "manufacturer", "sv": "manufacturer_name" },            { "n": "id", "sv": Identification (summary)	GET /d	{ "v": "123", "m":"model_name",  "id": "sensor_board_ID", "npts":10 } { "v": "undefined" } { }
Interface Version	GET /d/ver	{ "ver": "123" } { "ver": "undefined" } { }
Model Name	GET /d/model	{ "model": "model_name" }
Manufacturer Name	GET /d/manuf	{ "manuf": "manufacturer name" }
Sensor Board ID	GET /d/id	{ "id": "sensor_board_ID" },            { "n": " }
Hardware Revision	GET /d/hw_rev	{ "hw_rev ", " sv" : "hardware_revision" },            { "n": "has_display", "bv": true/false },            { "n": "has_battery", "bv": true/false },            { "n": "num_points", "v":10 }     ] }	Sensor Board Status	</d/brd_status>;rt="simple.dev.brdst";if="core.rp"	}
Display Capability	GET /d/has_dsp	{ "has_dsp": "yes" }
Battery Capability	GET /d/has_bat	{ "has_bat": "no" }
Number of Points	GET /d/npts	{ "npts": 10 }
Point Description(1)(2)	GET /d/pt/n	{ "n": "point_name",  "t": 2, "u": 3,  "ar": 1, "s": 10 }
Sensor Board Status	GET /d/brd_status	{ "e": [ {  "n": "status", "sv": "status_result" } ] "status": 1 }
Sensor board Command (send)	< PUT /d/ cmd>;rt="simple.dev. cmd ";if="core.p"PUT / d/ cmd ?id=cmd _id	{ "status": "status_result" }
Sensor board Command (answer)	</d/cmd>;rt="simple.dev.cmd";if="core.p"	GET GET /d/cmd	{ " e result": [ {  "n": "cmd ", "sv": "cmd _result" } ] }
Battery Status	</d/bat_status>;rt="simple.dev.batst";if="core.rp"	GET GET /d/bat_status	{ "e": [ {  "n": "status", "sv "status": "Discharging" } ] }
Battery Charge	</d/bat_charge>;rt="simple.dev.batcg";if="core.rp"	GET (0 to 100%)	GET /d/bat_charge	{ "e": [ {  "n": "charge", "v": 50 "u":"%EL" } ] "charge": "75" }
Wireless Status	</d/wl_status>;rt="simple.dev.wlst";if="core.rp"	GET GET /d/wl_status	{ "e": [ {  "n": "status", "sv": "status": "Connected" } ] }
Wireless Strength</d/wl_strength>;rt="simple.dev.wlstg";if="core.rp"	GET /d/wl_strength
Description	Resource	Examples
Get list of sensors	GET /s	{"e":         [            { "n": "sensor1", "v":  val1, "u": "unity1" },            { "n": "sensor2", "v":  val2, "u": "unity2" },            { "n": "sensor3", "v":  val3, "u": "unity3" },            { "n": "sensor4", "v":  val4, "u": "unity4" }      ] }
Get sensor1	GET /s/sensor1	{"e": [ {  "n": "sensor1", "v": val1 "u":"unit1" } ] }
Put sensor1	PUT /s/sensor1?v=val1	{ "e": [ {  "n": "strength", "v": 50 "u":"%EL" } ] }
Display	</d/dsp>;rt="simple.dev.dsp";if="core.p"	PUT /d/dsp?l1=line1&l2=line2

 

Sensors parameters (batch)

GET /s

 "strength": "-10dBm" }

PUT /d/dsp/line

PUT /d/dsp/line/line

{ "result": 1 }

^{(1) Replace n by point index, starting at 0}

^{(2) See this page for proper values in unit, right access and scan (sampling time)}

^{(3) Each display line must be separated by slashes}

Sensors parameters

GET /s

[ "idx": 0, "v": val_1 }, 

{ "idx": 1, "v": val_2 }] 

[{ }]

GET /s/n

{ "v": value } 

{ }

PUT /s/n/value

^{(1) Replace n by point index, starting at 0}

^{(2) Replace value by the desired value}

References

• http://tools.ietf.org/id/draft-ietf-core-interfaces-01.txt
  
• http://tools.ietf.org/html/draft-jennings-senml-08
• https://datatracker.ietf.org/wg/core/charter/

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