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
measurement/AnalogMeasurement.cpp@100:47ea098f8a47, 2015-05-07 (annotated)
- Committer:
- xinlei
- Date:
- Thu May 07 13:56:19 2015 +0000
- Revision:
- 100:47ea098f8a47
- Parent:
- 96:5dfdc8568e9f
prepare for v2.1rc3.
Who changed what in which revision?
User | Revision | Line number | New 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 | 100:47ea098f8a47 | 17 | SmartRestTemplate& tpl, DeviceInfo& deviceInfo) : |
xinlei | 91:423177e8a401 | 18 | _tpl(tpl), |
Cumulocity | 47:89ae46d5c466 | 19 | _client(client), |
xinlei | 96:5dfdc8568e9f | 20 | _deviceInfo(deviceInfo) |
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 | 94:61d44636f020 | 25 | t_start = time(NULL); |
Cumulocity | 47:89ae46d5c466 | 26 | } |
Cumulocity | 47:89ae46d5c466 | 27 | |
Cumulocity | 47:89ae46d5c466 | 28 | bool AnalogMeasurement::init() |
Cumulocity | 47:89ae46d5c466 | 29 | { |
Cumulocity | 47:89ae46d5c466 | 30 | if (_init) |
Cumulocity | 47:89ae46d5c466 | 31 | return false; |
Cumulocity | 47:89ae46d5c466 | 32 | |
Cumulocity | 47:89ae46d5c466 | 33 | // Insert measurement |
Cumulocity | 47:89ae46d5c466 | 34 | // USAGE: 107,<DEVICE/ID>,<ANALOG1>,<ANALOG2> |
Cumulocity | 47:89ae46d5c466 | 35 | 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 | 36 | return false; |
Cumulocity | 47:89ae46d5c466 | 37 | |
Cumulocity | 47:89ae46d5c466 | 38 | _init = true; |
Cumulocity | 47:89ae46d5c466 | 39 | return true; |
Cumulocity | 47:89ae46d5c466 | 40 | } |
Cumulocity | 47:89ae46d5c466 | 41 | |
Cumulocity | 47:89ae46d5c466 | 42 | bool AnalogMeasurement::run() |
Cumulocity | 47:89ae46d5c466 | 43 | { |
xinlei | 91:423177e8a401 | 44 | float data[2] = {(float)_analog1*100, (float)_analog2*100}; |
xinlei | 91:423177e8a401 | 45 | |
xinlei | 71:063c45e99578 | 46 | if (abs(oldValues[0]-data[0]) <= abs(oldValues[0])*THRESHOLD_PERCENT_ANA && |
xinlei | 71:063c45e99578 | 47 | abs(oldValues[1]-data[1]) <= abs(oldValues[1])*THRESHOLD_PERCENT_ANA) { |
xinlei | 94:61d44636f020 | 48 | time_t t_interval = time(NULL) - t_start; |
xinlei | 94:61d44636f020 | 49 | if (t_interval < TIME_LIMIT_ANA) { |
xinlei | 96:5dfdc8568e9f | 50 | if (strcmp(LCDDisplay::inst().getThirdLine(), "")) { |
xinlei | 96:5dfdc8568e9f | 51 | LCDDisplay::inst().setThirdLine(""); |
xinlei | 85:5dc5a50e4b06 | 52 | } |
xinlei | 89:8ab476939897 | 53 | // printf("[N] %f, %f\r\n", data[0], data[1]); |
xinlei | 71:063c45e99578 | 54 | return true; |
xinlei | 71:063c45e99578 | 55 | } else { |
xinlei | 94:61d44636f020 | 56 | aDebug("Poti: Timeout at %d s.\n", t_interval); |
xinlei | 91:423177e8a401 | 57 | } |
xinlei | 71:063c45e99578 | 58 | } |
xinlei | 91:423177e8a401 | 59 | |
xinlei | 89:8ab476939897 | 60 | // printf("[Y] %f, %f (%f, %f)\r\n", data[0], data[1], oldValues[0], oldValues[1]); |
xinlei | 93:0acd11870c6a | 61 | char status[27] = {0}; |
xinlei | 93:0acd11870c6a | 62 | snprintf(status, sizeof(status), "Send Poti %.1f,%.1f", data[0], data[1]); |
xinlei | 96:5dfdc8568e9f | 63 | LCDDisplay::inst().setThirdLine(status); |
Cumulocity | 47:89ae46d5c466 | 64 | ComposedRecord record; |
Cumulocity | 47:89ae46d5c466 | 65 | IntegerValue msgId(107); |
xinlei | 100:47ea098f8a47 | 66 | IntegerValue devId(deviceID); |
xinlei | 71:063c45e99578 | 67 | FloatValue analog1(data[0], 1); |
xinlei | 71:063c45e99578 | 68 | FloatValue analog2(data[1], 1); |
Cumulocity | 47:89ae46d5c466 | 69 | if ((!record.add(msgId)) || (!record.add(devId)) || (!record.add(analog1)) || (!record.add(analog2))) |
Cumulocity | 47:89ae46d5c466 | 70 | return false; |
Cumulocity | 47:89ae46d5c466 | 71 | |
xinlei | 94:61d44636f020 | 72 | time_t t0 = time(NULL); |
Cumulocity | 47:89ae46d5c466 | 73 | if (_client.send(record) != SMARTREST_SUCCESS) { |
xinlei | 93:0acd11870c6a | 74 | aWarning("Poti: Send failed.\n"); |
Cumulocity | 47:89ae46d5c466 | 75 | _client.stop(); |
Cumulocity | 47:89ae46d5c466 | 76 | return false; |
Cumulocity | 47:89ae46d5c466 | 77 | } |
xinlei | 94:61d44636f020 | 78 | time_t t1 = time(NULL); |
Cumulocity | 47:89ae46d5c466 | 79 | _client.stop(); |
xinlei | 94:61d44636f020 | 80 | aDebug("Poti: Sent in %d s.\n", t1-t0); |
xinlei | 71:063c45e99578 | 81 | oldValues[0] = data[0]; |
xinlei | 71:063c45e99578 | 82 | oldValues[1] = data[1]; |
xinlei | 94:61d44636f020 | 83 | t_start = time(NULL); |
Cumulocity | 47:89ae46d5c466 | 84 | return true; |
Cumulocity | 47:89ae46d5c466 | 85 | } |