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/AnalogMeasurement.cpp@96:5dfdc8568e9f, 2015-04-27 (annotated)

Committer:
xinlei
Date:
Mon Apr 27 10:50:21 2015 +0000
Revision:
96:5dfdc8568e9f
Parent:
94:61d44636f020
Child:
100:47ea098f8a47
LCDDisplay now is singleton

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Cumulocity 47:89ae46d5c466 1 #include "AnalogMeasurement.h"
Cumulocity 47:89ae46d5c466 2 #include "ComposedRecord.h"
Cumulocity 47:89ae46d5c466 3 #include "CharValue.h"
Cumulocity 47:89ae46d5c466 4 #include "IntegerValue.h"
Cumulocity 47:89ae46d5c466 5 #include "FloatValue.h"
xinlei 96:5dfdc8568e9f 6 #include "LCDDisplay.h"
xinlei 72:c5709ae7b193 7 #include "logging.h"
Cumulocity 47:89ae46d5c466 8
xinlei 77:f6717e4eccc4 9 #define THRESHOLD_PERCENT_ANA 0.02 // Percentage cut-off for avoiding sending similar analog 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_ANA 900
xinlei 91:423177e8a401 12
xinlei 91:423177e8a401 13 AnalogIn _analog1(A0);
xinlei 91:423177e8a401 14 AnalogIn _analog2(A1);
xinlei 71:063c45e99578 15
xinlei 91:423177e8a401 16 AnalogMeasurement::AnalogMeasurement(AbstractSmartRest& client,
xinlei 96:5dfdc8568e9f 17 SmartRestTemplate& tpl, long& deviceId, DeviceInfo& deviceInfo) :
xinlei 91:423177e8a401 18 _deviceId(deviceId),
xinlei 91:423177e8a401 19 _tpl(tpl),
Cumulocity 47:89ae46d5c466 20 _client(client),
xinlei 96:5dfdc8568e9f 21 _deviceInfo(deviceInfo)
Cumulocity 47:89ae46d5c466 22 {
Cumulocity 47:89ae46d5c466 23 _init = false;
xinlei 71:063c45e99578 24 oldValues[0] = 0;
xinlei 71:063c45e99578 25 oldValues[1] = 0;
xinlei 94:61d44636f020 26 t_start = time(NULL);
Cumulocity 47:89ae46d5c466 27 }
Cumulocity 47:89ae46d5c466 28
Cumulocity 47:89ae46d5c466 29 bool AnalogMeasurement::init()
Cumulocity 47:89ae46d5c466 30 {
Cumulocity 47:89ae46d5c466 31 if (_init)
Cumulocity 47:89ae46d5c466 32 return false;
Cumulocity 47:89ae46d5c466 33
Cumulocity 47:89ae46d5c466 34 // Insert measurement
Cumulocity 47:89ae46d5c466 35 // USAGE: 107,<DEVICE/ID>,<ANALOG1>,<ANALOG2>
Cumulocity 47:89ae46d5c466 36 if (!_tpl.add("10,107,POST,/measurement/measurements,application/vnd.com.nsn.cumulocity.measurement+json,application/vnd.com.nsn.cumulocity.measurement+json,%%,NOW UNSIGNED NUMBER NUMBER,\"{\"\"time\"\":\"\"%%\"\",\"\"source\"\":{\"\"id\"\":\"\"%%\"\"},\"\"type\"\":\"\"c8y_AnalogMeasurement\"\",\"\"c8y_AnalogMeasurement\"\":{\"\"A1\"\":{\"\"value\"\":%%,\"\"unit\"\":\"\"A\"\"},\"\"A2\"\":{\"\"value\"\":%%,\"\"unit\"\":\"\"A\"\"}}}\"\r\n"))
Cumulocity 47:89ae46d5c466 37 return false;
Cumulocity 47:89ae46d5c466 38
Cumulocity 47:89ae46d5c466 39 _init = true;
Cumulocity 47:89ae46d5c466 40 return true;
Cumulocity 47:89ae46d5c466 41 }
Cumulocity 47:89ae46d5c466 42
Cumulocity 47:89ae46d5c466 43 bool AnalogMeasurement::run()
Cumulocity 47:89ae46d5c466 44 {
xinlei 91:423177e8a401 45 float data[2] = {(float)_analog1*100, (float)_analog2*100};
xinlei 91:423177e8a401 46
xinlei 71:063c45e99578 47 if (abs(oldValues[0]-data[0]) <= abs(oldValues[0])*THRESHOLD_PERCENT_ANA &&
xinlei 71:063c45e99578 48 abs(oldValues[1]-data[1]) <= abs(oldValues[1])*THRESHOLD_PERCENT_ANA) {
xinlei 94:61d44636f020 49 time_t t_interval = time(NULL) - t_start;
xinlei 94:61d44636f020 50 if (t_interval < TIME_LIMIT_ANA) {
xinlei 96:5dfdc8568e9f 51 if (strcmp(LCDDisplay::inst().getThirdLine(), "")) {
xinlei 96:5dfdc8568e9f 52 LCDDisplay::inst().setThirdLine("");
xinlei 85:5dc5a50e4b06 53 }
xinlei 89:8ab476939897 54 // printf("[N] %f, %f\r\n", data[0], data[1]);
xinlei 71:063c45e99578 55 return true;
xinlei 71:063c45e99578 56 } else {
xinlei 94:61d44636f020 57 aDebug("Poti: Timeout at %d s.\n", t_interval);
xinlei 91:423177e8a401 58 }
xinlei 71:063c45e99578 59 }
xinlei 91:423177e8a401 60
xinlei 89:8ab476939897 61 // printf("[Y] %f, %f (%f, %f)\r\n", data[0], data[1], oldValues[0], oldValues[1]);
xinlei 93:0acd11870c6a 62 char status[27] = {0};
xinlei 93:0acd11870c6a 63 snprintf(status, sizeof(status), "Send Poti %.1f,%.1f", data[0], data[1]);
xinlei 96:5dfdc8568e9f 64 LCDDisplay::inst().setThirdLine(status);
Cumulocity 47:89ae46d5c466 65 ComposedRecord record;
Cumulocity 47:89ae46d5c466 66 IntegerValue msgId(107);
Cumulocity 47:89ae46d5c466 67 IntegerValue devId(_deviceId);
xinlei 71:063c45e99578 68 FloatValue analog1(data[0], 1);
xinlei 71:063c45e99578 69 FloatValue analog2(data[1], 1);
Cumulocity 47:89ae46d5c466 70 if ((!record.add(msgId)) || (!record.add(devId)) || (!record.add(analog1)) || (!record.add(analog2)))
Cumulocity 47:89ae46d5c466 71 return false;
Cumulocity 47:89ae46d5c466 72
xinlei 94:61d44636f020 73 time_t t0 = time(NULL);
Cumulocity 47:89ae46d5c466 74 if (_client.send(record) != SMARTREST_SUCCESS) {
xinlei 93:0acd11870c6a 75 aWarning("Poti: Send failed.\n");
Cumulocity 47:89ae46d5c466 76 _client.stop();
Cumulocity 47:89ae46d5c466 77 return false;
Cumulocity 47:89ae46d5c466 78 }
xinlei 94:61d44636f020 79 time_t t1 = time(NULL);
Cumulocity 47:89ae46d5c466 80 _client.stop();
xinlei 94:61d44636f020 81 aDebug("Poti: Sent in %d s.\n", t1-t0);
xinlei 71:063c45e99578 82 oldValues[0] = data[0];
xinlei 71:063c45e99578 83 oldValues[1] = data[1];
xinlei 94:61d44636f020 84 t_start = time(NULL);
Cumulocity 47:89ae46d5c466 85 return true;
Cumulocity 47:89ae46d5c466 86 }