Cumulocity Official / Mbed 2 deprecated MbedSmartRestMain Featured

Official reference client implementation for Cumulocity SmartREST on u-blox C027.

Dependencies:   C027_Support C12832 LM75B MMA7660 MbedSmartRest mbed-rtos mbed

Fork of MbedSmartRestMain by Vincent Wochnik

measurement/LocationUpdate.cpp@93:0acd11870c6a, 2015-04-13 (annotated)

Committer:
xinlei
Date:
Mon Apr 13 14:24:58 2015 +0000
Revision:
93:0acd11870c6a
Parent:
92:48069375dffa
Child:
94:61d44636f020
v2.1rc1

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 73:313975bfec96 10 // Time interval for forcing a sending even if analog sensor readings are constantly similar (in seconds).
xinlei 73:313975bfec96 11 #define TIME_LIMIT_LOC 900
xinlei 71:063c45e99578 12
xinlei 93:0acd11870c6a 13 LocationUpdate::LocationUpdate(AbstractSmartRest& client, SmartRestTemplate& tpl,
xinlei 93:0acd11870c6a 14 long& deviceId, GPSI2C& gps, DeviceInfo& deviceInfo, LCDDisplay& lcdDisplay) :
xinlei 92:48069375dffa 15 _deviceId(deviceId),
Cumulocity 47:89ae46d5c466 16 _tpl(tpl),
xinlei 92:48069375dffa 17 _client(client),
xinlei 93:0acd11870c6a 18 _gpsTracker(gps),
xinlei 73:313975bfec96 19 _deviceInfo(deviceInfo),
xinlei 93:0acd11870c6a 20 _lcdDisplay(lcdDisplay)
Cumulocity 47:89ae46d5c466 21 {
Cumulocity 47:89ae46d5c466 22 _init = false;
xinlei 71:063c45e99578 23 oldValues[0] = 0;
xinlei 71:063c45e99578 24 oldValues[1] = 0;
xinlei 71:063c45e99578 25 oldValues[2] = 0;
xinlei 71:063c45e99578 26 sendingTimer.start();
Cumulocity 47:89ae46d5c466 27 }
Cumulocity 47:89ae46d5c466 28
Cumulocity 47:89ae46d5c466 29 bool LocationUpdate::init()
Cumulocity 47:89ae46d5c466 30 {
Cumulocity 47:89ae46d5c466 31 if (_init)
Cumulocity 47:89ae46d5c466 32 return false;
Cumulocity 47:89ae46d5c466 33
Cumulocity 49:ac0ba9d54ebc 34 // Update device position
Cumulocity 47:89ae46d5c466 35 // USAGE: 108,<DEVICE/ID>,<ALTITUDE>,<LATITUDE>,<LONGITUDE>
Cumulocity 49:ac0ba9d54ebc 36 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 37 return false;
Cumulocity 49:ac0ba9d54ebc 38
Cumulocity 49:ac0ba9d54ebc 39 // Insert measurement
Cumulocity 49:ac0ba9d54ebc 40 // USAGE: 109,<DEVICE/ID>,<ALTITUDE>,<LATITUDE>,<LONGITUDE>
vwochnik 58:4cc0ae5a7058 41 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 42 return false;
Cumulocity 47:89ae46d5c466 43
Cumulocity 47:89ae46d5c466 44 _init = true;
Cumulocity 47:89ae46d5c466 45 return true;
Cumulocity 47:89ae46d5c466 46 }
Cumulocity 47:89ae46d5c466 47
Cumulocity 47:89ae46d5c466 48 bool LocationUpdate::run()
Cumulocity 47:89ae46d5c466 49 {
xinlei 77:f6717e4eccc4 50 GPSTracker::Position position;
Cumulocity 49:ac0ba9d54ebc 51 if (!_gpsTracker.position(&position)) {
xinlei 74:ca3001991fdc 52 return false;
Cumulocity 49:ac0ba9d54ebc 53 }
xinlei 86:b49c4cfecc43 54 float data[3] = { position.altitude, position.latitude, position.longitude };
xinlei 77:f6717e4eccc4 55
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 93:0acd11870c6a 60 if (strcmp(_lcdDisplay.getThirdLine(), "")) {
xinlei 93:0acd11870c6a 61 _lcdDisplay.setThirdLine("");
xinlei 85:5dc5a50e4b06 62 }
xinlei 71:063c45e99578 63 return true;
xinlei 71:063c45e99578 64 } else {
xinlei 93:0acd11870c6a 65 aDebug("GPS: Timeout at %f s.\n", sendingTimer.read());
xinlei 71:063c45e99578 66 }
xinlei 71:063c45e99578 67 }
xinlei 73:313975bfec96 68 char status[27] = {0};
xinlei 93:0acd11870c6a 69 snprintf(status, 27, "Send GPS %.1f,%.1f,%.1f", data[0], data[1], data[2]);
xinlei 93:0acd11870c6a 70 _lcdDisplay.setThirdLine(status);
Cumulocity 47:89ae46d5c466 71
Cumulocity 49:ac0ba9d54ebc 72 Aggregator aggregator;
Cumulocity 49:ac0ba9d54ebc 73 ComposedRecord record1, record2;
Cumulocity 49:ac0ba9d54ebc 74 IntegerValue msgId1(108);
Cumulocity 49:ac0ba9d54ebc 75 IntegerValue msgId2(109);
Cumulocity 47:89ae46d5c466 76 IntegerValue devId(_deviceId);
Cumulocity 49:ac0ba9d54ebc 77 FloatValue altitude(position.altitude, 2);
Cumulocity 47:89ae46d5c466 78 FloatValue latitude(position.latitude, 6);
Cumulocity 49:ac0ba9d54ebc 79 FloatValue longitude(position.longitude, 6);
Cumulocity 49:ac0ba9d54ebc 80 if ((!record1.add(msgId1)) || (!record1.add(devId)) || (!record1.add(altitude)) || (!record1.add(latitude)) || (!record1.add(longitude)))
Cumulocity 49:ac0ba9d54ebc 81 return false;
Cumulocity 49:ac0ba9d54ebc 82 if ((!record2.add(msgId2)) || (!record2.add(devId)) || (!record2.add(altitude)) || (!record2.add(latitude)) || (!record2.add(longitude)))
Cumulocity 49:ac0ba9d54ebc 83 return false;
Cumulocity 49:ac0ba9d54ebc 84 if ((!aggregator.add(record1)) || (!aggregator.add(record2)))
Cumulocity 47:89ae46d5c466 85 return false;
Cumulocity 47:89ae46d5c466 86
xinlei 73:313975bfec96 87 float t_start = sendingTimer.read();
Cumulocity 49:ac0ba9d54ebc 88 if (_client.send(aggregator) != SMARTREST_SUCCESS) {
xinlei 93:0acd11870c6a 89 aWarning("GPS: Send failed.\n");
Cumulocity 47:89ae46d5c466 90 _client.stop();
Cumulocity 47:89ae46d5c466 91 return false;
Cumulocity 47:89ae46d5c466 92 }
xinlei 73:313975bfec96 93 float t_end = sendingTimer.read();
Cumulocity 47:89ae46d5c466 94 _client.stop();
xinlei 93:0acd11870c6a 95 aDebug("GPS: Sent in %.1f.\n", t_end-t_start);
xinlei 71:063c45e99578 96 oldValues[0] = data[0];
xinlei 71:063c45e99578 97 oldValues[1] = data[1];
xinlei 71:063c45e99578 98 oldValues[2] = data[2];
xinlei 71:063c45e99578 99 sendingTimer.reset();
Cumulocity 47:89ae46d5c466 100 return true;
Cumulocity 47:89ae46d5c466 101 }