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Dependencies:   C027_Support C12832 LM75B MMA7660 MbedSmartRest mbed-rtos mbed

Fork of MbedSmartRestMain by Vincent Wochnik

measurement/LocationUpdate.cpp@72:c5709ae7b193, 2015-02-16 (annotated)

Committer:
xinlei
Date:
Mon Feb 16 13:15:52 2015 +0000
Revision:
72:c5709ae7b193
Parent:
71:063c45e99578
Child:
73:313975bfec96
logging: incorporation of dedicated logging module.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Cumulocity 47:89ae46d5c466 1 #include "LocationUpdate.h"
Cumulocity 49:ac0ba9d54ebc 2 #include "Aggregator.h"
Cumulocity 47:89ae46d5c466 3 #include "ComposedRecord.h"
Cumulocity 47:89ae46d5c466 4 #include "CharValue.h"
Cumulocity 47:89ae46d5c466 5 #include "IntegerValue.h"
Cumulocity 47:89ae46d5c466 6 #include "FloatValue.h"
xinlei 72:c5709ae7b193 7 #include "logging.h"
Cumulocity 47:89ae46d5c466 8
xinlei 71:063c45e99578 9 #define THRESHOLD_PERCENT_LOC 0.05 // Percentage cut-off for avoiding sending similar acceleration sensor data.
xinlei 71:063c45e99578 10 #define TIME_LIMIT_LOC 900 // Time interval for forcing a sending even if acceleration sensor readings are constantly similar.
xinlei 71:063c45e99578 11
vwochnik 55:a0f7295ed6b6 12 LocationUpdate::LocationUpdate(AbstractSmartRest& client, SmartRestTemplate& tpl, long& deviceId, GPSTracker& gpsTracker) :
Cumulocity 47:89ae46d5c466 13 _client(client),
Cumulocity 47:89ae46d5c466 14 _tpl(tpl),
Cumulocity 47:89ae46d5c466 15 _deviceId(deviceId),
Cumulocity 47:89ae46d5c466 16 _gpsTracker(gpsTracker)
Cumulocity 47:89ae46d5c466 17 {
Cumulocity 47:89ae46d5c466 18 _init = false;
xinlei 71:063c45e99578 19 oldValues[0] = 0;
xinlei 71:063c45e99578 20 oldValues[1] = 0;
xinlei 71:063c45e99578 21 oldValues[2] = 0;
xinlei 71:063c45e99578 22 sendingTimer.start();
Cumulocity 47:89ae46d5c466 23 }
Cumulocity 47:89ae46d5c466 24
Cumulocity 47:89ae46d5c466 25 bool LocationUpdate::init()
Cumulocity 47:89ae46d5c466 26 {
Cumulocity 47:89ae46d5c466 27 if (_init)
Cumulocity 47:89ae46d5c466 28 return false;
Cumulocity 47:89ae46d5c466 29
Cumulocity 49:ac0ba9d54ebc 30 // Update device position
Cumulocity 47:89ae46d5c466 31 // USAGE: 108,<DEVICE/ID>,<ALTITUDE>,<LATITUDE>,<LONGITUDE>
Cumulocity 49:ac0ba9d54ebc 32 if (!_tpl.add("10,108,PUT,/inventory/managedObjects/%%,application/vnd.com.nsn.cumulocity.managedObject+json,application/vnd.com.nsn.cumulocity.managedObject+json,%%,UNSIGNED NUMBER NUMBER NUMBER,\"{\"\"c8y_Position\"\":{\"\"alt\"\":%%,\"\"lat\"\":%%,\"\"lng\"\":%%},\"\"c8y_MotionTracking\"\":{\"\"active\"\":true}}\"\r\n"))
Cumulocity 49:ac0ba9d54ebc 33 return false;
Cumulocity 49:ac0ba9d54ebc 34
Cumulocity 49:ac0ba9d54ebc 35 // Insert measurement
Cumulocity 49:ac0ba9d54ebc 36 // USAGE: 109,<DEVICE/ID>,<ALTITUDE>,<LATITUDE>,<LONGITUDE>
vwochnik 58:4cc0ae5a7058 37 if (!_tpl.add("10,109,POST,/event/events,application/vnd.com.nsn.cumulocity.event+json,application/vnd.com.nsn.cumulocity.event+json,%%,NOW UNSIGNED NUMBER NUMBER NUMBER,\"{\"\"time\"\":\"\"%%\"\",\"\"source\"\":{\"\"id\"\":\"\"%%\"\"},\"\"type\"\":\"\"c8y_LocationUpdate\"\",\"\"text\"\":\"\"Mbed location update\"\",\"\"c8y_Position\"\":{\"\"alt\"\":%%,\"\"lat\"\":%%,\"\"lng\"\":%%}}\"\r\n"))
Cumulocity 47:89ae46d5c466 38 return false;
Cumulocity 47:89ae46d5c466 39
Cumulocity 47:89ae46d5c466 40 _init = true;
Cumulocity 47:89ae46d5c466 41 return true;
Cumulocity 47:89ae46d5c466 42 }
Cumulocity 47:89ae46d5c466 43
Cumulocity 47:89ae46d5c466 44 bool LocationUpdate::run()
Cumulocity 47:89ae46d5c466 45 {
Cumulocity 47:89ae46d5c466 46 GPSTracker::Position position;
Cumulocity 47:89ae46d5c466 47
Cumulocity 49:ac0ba9d54ebc 48 if (!_gpsTracker.position(&position)) {
xinlei 72:c5709ae7b193 49 aError("No GPS data available.\r\n");
Cumulocity 47:89ae46d5c466 50 return true;
Cumulocity 49:ac0ba9d54ebc 51 }
xinlei 71:063c45e99578 52 float data[3] = { 0.0, 0.0, 0.0 };
xinlei 71:063c45e99578 53 data[0] = position.altitude;
xinlei 71:063c45e99578 54 data[1] = position.latitude;
xinlei 71:063c45e99578 55 data[2] = position.longitude;
xinlei 71:063c45e99578 56 if (abs(oldValues[0]-data[0]) <= abs(oldValues[0])*THRESHOLD_PERCENT_LOC &&
xinlei 71:063c45e99578 57 abs(oldValues[1]-data[1]) <= abs(oldValues[1])*THRESHOLD_PERCENT_LOC &&
xinlei 71:063c45e99578 58 abs(oldValues[2]-data[2]) <= abs(oldValues[2])*THRESHOLD_PERCENT_LOC) {
xinlei 71:063c45e99578 59 if (sendingTimer.read() < TIME_LIMIT_LOC) {
xinlei 72:c5709ae7b193 60 aInfo("Similar location readings found, no sending!\r\n");
xinlei 71:063c45e99578 61 return true;
xinlei 71:063c45e99578 62 } else {
xinlei 72:c5709ae7b193 63 aInfo("Sending timer of location sensor timed out at %f s, a sending is forced.\r\n", sendingTimer.read());
xinlei 71:063c45e99578 64 }
xinlei 71:063c45e99578 65 }
Cumulocity 47:89ae46d5c466 66
Cumulocity 49:ac0ba9d54ebc 67 Aggregator aggregator;
Cumulocity 49:ac0ba9d54ebc 68 ComposedRecord record1, record2;
Cumulocity 49:ac0ba9d54ebc 69 IntegerValue msgId1(108);
Cumulocity 49:ac0ba9d54ebc 70 IntegerValue msgId2(109);
Cumulocity 47:89ae46d5c466 71 IntegerValue devId(_deviceId);
Cumulocity 49:ac0ba9d54ebc 72 FloatValue altitude(position.altitude, 2);
Cumulocity 47:89ae46d5c466 73 FloatValue latitude(position.latitude, 6);
Cumulocity 49:ac0ba9d54ebc 74 FloatValue longitude(position.longitude, 6);
Cumulocity 49:ac0ba9d54ebc 75 if ((!record1.add(msgId1)) || (!record1.add(devId)) || (!record1.add(altitude)) || (!record1.add(latitude)) || (!record1.add(longitude)))
Cumulocity 49:ac0ba9d54ebc 76 return false;
Cumulocity 49:ac0ba9d54ebc 77 if ((!record2.add(msgId2)) || (!record2.add(devId)) || (!record2.add(altitude)) || (!record2.add(latitude)) || (!record2.add(longitude)))
Cumulocity 49:ac0ba9d54ebc 78 return false;
Cumulocity 49:ac0ba9d54ebc 79 if ((!aggregator.add(record1)) || (!aggregator.add(record2)))
Cumulocity 47:89ae46d5c466 80 return false;
Cumulocity 47:89ae46d5c466 81
Cumulocity 49:ac0ba9d54ebc 82 if (_client.send(aggregator) != SMARTREST_SUCCESS) {
xinlei 72:c5709ae7b193 83 aError("Signal measurement failed.\r\n");
Cumulocity 47:89ae46d5c466 84 _client.stop();
Cumulocity 47:89ae46d5c466 85 return false;
Cumulocity 47:89ae46d5c466 86 }
Cumulocity 49:ac0ba9d54ebc 87
Cumulocity 47:89ae46d5c466 88 _client.stop();
xinlei 71:063c45e99578 89 oldValues[0] = data[0];
xinlei 71:063c45e99578 90 oldValues[1] = data[1];
xinlei 71:063c45e99578 91 oldValues[2] = data[2];
xinlei 71:063c45e99578 92 sendingTimer.reset();
xinlei 72:c5709ae7b193 93 aInfo("Location readings sent.\r\n");
Cumulocity 47:89ae46d5c466 94 return true;
Cumulocity 47:89ae46d5c466 95 }