feat(cmat): Completed Ex51

cmat/Ex51/TimerSet.cpp

@@ -1,8 +1,11 @@
 #include "TimerSet.h"
 #include "Timer.h"
 #include <iostream>
+#include <thread>
 
-TimerSet::TimerSet() : previousTime(time(NULL)) {}
+TimerSet::TimerSet() : previousTime(time(NULL)), pollingThread([this]{poll10Hz();}) {
+    pollingThread.detach();
+}
 
 void TimerSet::addATimer(Timer *t) { timers.push_back(t); }
 
@@ -22,3 +25,12 @@ TimerSet &TimerSet::Instance() {
     static TimerSet pInstance;
     return pInstance;
 }
+
+void TimerSet::poll10Hz() {
+    using namespace std::chrono_literals;
+    while (true) {
+        auto const pause = 100ms;
+        pollAllTimers();
+        std::this_thread::sleep_for(pause);
+    }
+}

cmat/Ex51/TimerSet.h

@@ -3,6 +3,7 @@
 
 #include <ctime>
 #include <vector>
+#include <thread>
 
 class Timer;
 
@@ -15,6 +16,7 @@ class TimerSet {
     TimerSet();
     std::vector<Timer *> timers;
     std::time_t previousTime;
+    std::thread pollingThread;
 
     //  Meyer's singleton
   public:
@@ -24,6 +26,8 @@ class TimerSet {
     // prevent copying and assignment of the singleton
     TimerSet(const TimerSet &);
     TimerSet &operator=(const TimerSet &);
+
+    void poll10Hz();
 };
 
 #endif

cmat/Ex51/main.cpp

@@ -16,11 +16,6 @@ int main() {
     char c = 0;
 
     while (std::toupper(c) != 'Q') { // loop until 'Q' is pressed
-
-        while (!kbd.isCharAvail()) {
-            TimerSet::Instance().pollAllTimers(); // no key press to process, poll the timers
-        }
-
         c = kbd.getChar(); // get the character
         if (c == ' ') {
             // it's a space, so press the WAIT button