feat(cmat): Completed Ex51

cmat/Ex51/TimerSet.cpp

@@ -1,24 +1,36 @@
-#include "TimerSet.h"
-#include "Timer.h"
-#include <iostream>
-
-TimerSet::TimerSet() : previousTime(time(NULL)) {}
-
-void TimerSet::addATimer(Timer *t) { timers.push_back(t); }
-
-void TimerSet::pollAllTimers() {
-    std::time_t timeNow;
-    if (time(&timeNow) > previousTime) {
-        previousTime = timeNow;
-
-        for (auto it = timers.begin(); it != timers.end(); it++) {
-            (*it)->tick();
-        }
-    }
-}
-
-TimerSet &TimerSet::Instance() {
-    // Meyer's Singleton implementation
-    static TimerSet pInstance;
-    return pInstance;
-}
+#include "TimerSet.h"
+#include "Timer.h"
+#include <iostream>
+#include <thread>
+
+TimerSet::TimerSet() : previousTime(time(NULL)), pollingThread([this]{poll10Hz();}) {
+    pollingThread.detach();
+}
+
+void TimerSet::addATimer(Timer *t) { timers.push_back(t); }
+
+void TimerSet::pollAllTimers() {
+    std::time_t timeNow;
+    if (time(&timeNow) > previousTime) {
+        previousTime = timeNow;
+
+        for (auto it = timers.begin(); it != timers.end(); it++) {
+            (*it)->tick();
+        }
+    }
+}
+
+TimerSet &TimerSet::Instance() {
+    // Meyer's Singleton implementation
+    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

@@ -1,29 +1,33 @@
-#ifndef TIMERSET_H
-#define TIMERSET_H
-
-#include <ctime>
-#include <vector>
-
-class Timer;
-
-class TimerSet {
-  public:
-    void pollAllTimers();
-    void addATimer(Timer *);
-
-  private:
-    TimerSet();
-    std::vector<Timer *> timers;
-    std::time_t previousTime;
-
-    //  Meyer's singleton
-  public:
-    static TimerSet &Instance();
-
-  private:
-    // prevent copying and assignment of the singleton
-    TimerSet(const TimerSet &);
-    TimerSet &operator=(const TimerSet &);
-};
-
-#endif
+#ifndef TIMERSET_H
+#define TIMERSET_H
+
+#include <ctime>
+#include <vector>
+#include <thread>
+
+class Timer;
+
+class TimerSet {
+  public:
+    void pollAllTimers();
+    void addATimer(Timer *);
+
+  private:
+    TimerSet();
+    std::vector<Timer *> timers;
+    std::time_t previousTime;
+    std::thread pollingThread;
+
+    //  Meyer's singleton
+  public:
+    static TimerSet &Instance();
+
+  private:
+    // prevent copying and assignment of the singleton
+    TimerSet(const TimerSet &);
+    TimerSet &operator=(const TimerSet &);
+
+    void poll10Hz();
+};
+
+#endif

cmat/Ex51/main.cpp

@@ -1,32 +1,27 @@
-
-
-#include "Keyboard.h"
-#include "Pelican.h"
-#include "Pole.h"
-#include "TimerSet.h"
-
-#include <cctype> // provides toupper()
-
-int main() {
-    Keyboard kbd;
-    Pelican thePelican;
-    Pole pole1(20, 0, thePelican);
-    Pole pole2(40, 0, thePelican);
-
-    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
-            thePelican.press();
-        }
-    }
-
-    return 0;
-}
+
+
+#include "Keyboard.h"
+#include "Pelican.h"
+#include "Pole.h"
+#include "TimerSet.h"
+
+#include <cctype> // provides toupper()
+
+int main() {
+    Keyboard kbd;
+    Pelican thePelican;
+    Pole pole1(20, 0, thePelican);
+    Pole pole2(40, 0, thePelican);
+
+    char c = 0;
+
+    while (std::toupper(c) != 'Q') { // loop until 'Q' is pressed
+        c = kbd.getChar(); // get the character
+        if (c == ' ') {
+            // it's a space, so press the WAIT button
+            thePelican.press();
+        }
+    }
+
+    return 0;
+}