yes Spada / Mbed OS programme

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

WeatherStation.cpp@5:0d9e292a9d06, 2019-03-08 (annotated)

Committer:
loicguibert
Date:
Fri Mar 08 08:28:14 2019 +0000
Revision:
5:0d9e292a9d06
Parent:
4:bfe306335065
Child:
6:5f56e551f84f
Libraries done, except Logger.cpp.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
loicguibert 4:bfe306335065 1 #include "WeatherStation.h"
loicguibert 4:bfe306335065 2
loicguibert 4:bfe306335065 3 // initialization of static data members
loicguibert 4:bfe306335065 4 const int WeatherStation::m_blinkInterval = 500;
loicguibert 4:bfe306335065 5 const int WeatherStation::m_measurementInterval = 10000;
loicguibert 4:bfe306335065 6
loicguibert 4:bfe306335065 7 // constructor
loicguibert 4:bfe306335065 8 WeatherStation::WeatherStation(NRFDevKit& nrfDevKit, Logger& logger)
loicguibert 5:0d9e292a9d06 9 :
loicguibert 5:0d9e292a9d06 10 m_nrfDevKit(nrfDevKit),
loicguibert 5:0d9e292a9d06 11 m_logger(logger),
loicguibert 5:0d9e292a9d06 12 m_lps25hb(m_nrfDevKit.getSDA(), m_nrfDevKit.getSCL(), logger),
loicguibert 5:0d9e292a9d06 13 m_hdc1000(m_nrfDevKit.getSDA(), m_nrfDevKit.getSCL(), m_nrfDevKit.getDataRdy(), logger){
loicguibert 4:bfe306335065 14 }
loicguibert 4:bfe306335065 15
loicguibert 4:bfe306335065 16 void WeatherStation::start() {
loicguibert 4:bfe306335065 17 m_logger.log("WeatherStation is starting\r\n");
loicguibert 5:0d9e292a9d06 18
loicguibert 5:0d9e292a9d06 19
loicguibert 4:bfe306335065 20 // make sure that the LPW25HB device is present
loicguibert 4:bfe306335065 21 // if not log an error and return
loicguibert 5:0d9e292a9d06 22 if (m_lps25hb.probe()) {
loicguibert 5:0d9e292a9d06 23 m_logger.log("LPS25HB device found\r\n");
loicguibert 5:0d9e292a9d06 24 } else {
loicguibert 5:0d9e292a9d06 25 m_logger.log("Device LPS25HB not found!\r\n");
loicguibert 5:0d9e292a9d06 26 return;
loicguibert 5:0d9e292a9d06 27 }
loicguibert 5:0d9e292a9d06 28
loicguibert 5:0d9e292a9d06 29
loicguibert 4:bfe306335065 30 // make sure that the HDC1000 device is present
loicguibert 4:bfe306335065 31 // if not log an error and return
loicguibert 5:0d9e292a9d06 32 if (m_hdc1000.probe()) {
loicguibert 5:0d9e292a9d06 33 m_logger.log("HDC1000 device found\r\n");
loicguibert 5:0d9e292a9d06 34 } else {
loicguibert 5:0d9e292a9d06 35 m_logger.log("Device HDC1000 not found!\r\n");
loicguibert 5:0d9e292a9d06 36 return;
loicguibert 5:0d9e292a9d06 37 }
loicguibert 5:0d9e292a9d06 38
loicguibert 4:bfe306335065 39
loicguibert 4:bfe306335065 40 // to show we're running we'll blink every m_blinkInterval milliseconds
loicguibert 4:bfe306335065 41 // the syntax used here is the following:
loicguibert 4:bfe306335065 42 // 1. the first argument represents the interval in milliseconds at which the event is executed
loicguibert 4:bfe306335065 43 // 2. the second argument represents the address of instance of the object on which the method passed in argument 3 will be applied
loicguibert 4:bfe306335065 44 // 3. the third argument is the address of the method to be called (applied to the object passed as argument 2)
loicguibert 4:bfe306335065 45 m_eventQueue.call_every(m_blinkInterval, &m_nrfDevKit, &NRFDevKit::blink1);
loicguibert 4:bfe306335065 46
loicguibert 4:bfe306335065 47 // schedule measurements every m_measurementInterval milliseconds
loicguibert 4:bfe306335065 48 // apply the same syntax as in the previous call
loicguibert 4:bfe306335065 49 // 1. the measurement interval is m_measurementInterval
loicguibert 4:bfe306335065 50 // 2. the object is the WeatherStation itself (recall how you refer to the current object in Java - the same applies in c++)
loicguibert 4:bfe306335065 51 // 3. the method to call is performMeasurements()
loicguibert 4:bfe306335065 52 // m_eventQueue.call_every(TO COMPLETED);
loicguibert 4:bfe306335065 53
loicguibert 4:bfe306335065 54 m_eventQueue.call_every(m_measurementInterval, this, &WeatherStation::performMeasurements);
loicguibert 4:bfe306335065 55
loicguibert 4:bfe306335065 56 // this will not return until shutdown
loicguibert 4:bfe306335065 57 m_eventQueue.dispatch_forever();
loicguibert 4:bfe306335065 58 }
loicguibert 4:bfe306335065 59
loicguibert 4:bfe306335065 60 void WeatherStation::performMeasurements(void) {
loicguibert 5:0d9e292a9d06 61 m_logger.log("\r\nPerforming measurements:\r\n");
loicguibert 4:bfe306335065 62
loicguibert 4:bfe306335065 63 // get and log pressure
loicguibert 5:0d9e292a9d06 64 m_logger.log(" Pressure: %.02f hPa\r\n", m_lps25hb.getPressure());
loicguibert 4:bfe306335065 65
loicguibert 4:bfe306335065 66 // get and log temperature
loicguibert 5:0d9e292a9d06 67 m_logger.log(" Temperature: %.02f C\r\n", m_hdc1000.getTemperature());
loicguibert 4:bfe306335065 68
loicguibert 4:bfe306335065 69 // get and log humidity
loicguibert 5:0d9e292a9d06 70 m_logger.log(" Humidiy: %.02f %%\r\n", m_hdc1000.getHumidity());
loicguibert 4:bfe306335065 71
loicguibert 4:bfe306335065 72 // get and log the battery level
loicguibert 5:0d9e292a9d06 73 m_logger.log(" Battery: %u mV\r\n", m_nrfDevKit.getBatteryLevel());
loicguibert 4:bfe306335065 74
loicguibert 5:0d9e292a9d06 75 }