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Dependencies:   EthernetInterfacePlusHostname RdWebServer mbed-rtos mbed

Idler.cpp@5:910909f34907, 2015-09-01 (annotated)

Committer:
Bobty
Date:
Tue Sep 01 15:53:52 2015 +0000
Revision:
5:910909f34907
Child:
6:8df79fe1afcd
Added an idle handler so there is something to show when nothing is being sent over HTTP

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Bobty 5:910909f34907 1
Bobty 5:910909f34907 2 #include "Idler.h"
Bobty 5:910909f34907 3
Bobty 5:910909f34907 4 DigitalOut* Idler::_pStatusLed = NULL;
Bobty 5:910909f34907 5 bool Idler::_isIdle = true;
Bobty 5:910909f34907 6 unsigned int Idler::_stepCount = 0;
Bobty 5:910909f34907 7 DrawingManager* Idler::_pDrawingManager = NULL;
Bobty 5:910909f34907 8 Ticker Idler::_idleTicker;
Bobty 5:910909f34907 9 Timer Idler::_idleTimer;
Bobty 5:910909f34907 10
Bobty 5:910909f34907 11 const int IDLE_TIMEOUT = 10; // N seconds of no REST commands -> idle
Bobty 5:910909f34907 12
Bobty 5:910909f34907 13 Idler::Idler(DigitalOut* pStatusLed, DrawingManager* pDrawingManager)
Bobty 5:910909f34907 14 {
Bobty 5:910909f34907 15 _pStatusLed = pStatusLed;
Bobty 5:910909f34907 16 _pDrawingManager = pDrawingManager;
Bobty 5:910909f34907 17 _idleTicker.attach(&tick, 0.1);
Bobty 5:910909f34907 18 }
Bobty 5:910909f34907 19
Bobty 5:910909f34907 20 void Idler::tick()
Bobty 5:910909f34907 21 {
Bobty 5:910909f34907 22 // Check if idle
Bobty 5:910909f34907 23 if (!_isIdle)
Bobty 5:910909f34907 24 {
Bobty 5:910909f34907 25 // Check time since last notIdle
Bobty 5:910909f34907 26 if (_idleTimer.read() < IDLE_TIMEOUT)
Bobty 5:910909f34907 27 return;
Bobty 5:910909f34907 28
Bobty 5:910909f34907 29 // Now idle again
Bobty 5:910909f34907 30 _idleTimer.stop();
Bobty 5:910909f34907 31 _isIdle = true;
Bobty 5:910909f34907 32 }
Bobty 5:910909f34907 33
Bobty 5:910909f34907 34 // Blink LED
Bobty 5:910909f34907 35 *_pStatusLed = !(*_pStatusLed);
Bobty 5:910909f34907 36
Bobty 5:910909f34907 37 // Step through display
Bobty 5:910909f34907 38 _pDrawingManager->DisplayIdle(_stepCount);
Bobty 5:910909f34907 39 _stepCount++;
Bobty 5:910909f34907 40 }
Bobty 5:910909f34907 41
Bobty 5:910909f34907 42 void Idler::notIdle()
Bobty 5:910909f34907 43 {
Bobty 5:910909f34907 44 _isIdle = false;
Bobty 5:910909f34907 45 *_pStatusLed = false;
Bobty 5:910909f34907 46 _idleTimer.reset();
Bobty 5:910909f34907 47 _idleTimer.start();
Bobty 5:910909f34907 48 _stepCount = 0;
Bobty 5:910909f34907 49 }