Diff: TimerSubscriber.cpp

Revision:

0:4d91c430ba00

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TimerSubscriber.cpp	Wed Jun 04 10:02:31 2014 +0000
@@ -0,0 +1,75 @@
+#include "TimerSubscriber.h"
+
+struct TimerSubscriber::TimerEntry *TimerSubscriber::TimerTable = NULL;
+unsigned int TimerSubscriber::TableSize = 0;
+unsigned int TimerSubscriber::TickerCounter = 1;
+
+static Ticker timer;
+extern TimerSubscriber timer_user;
+
+TimerSubscriber::TimerSubscriber(const unsigned int inTableSize, const unsigned int inTickerPeriod) : 
+    TickerPeriod(inTickerPeriod)
+{
+    TableSize = inTableSize;
+    TimerTable = new TimerEntry[TableSize];
+    for (int i=0; i<TableSize; i++) 
+        TimerTable[i].CallBack = NULL;
+    TickerCounter = 0;
+    timer.attach_us(&OnTimer, TickerPeriod);  
+    
+    return;  
+}
+
+TimerSubscriber::~TimerSubscriber()
+{
+    delete[] TimerTable;
+}
+
+void TimerSubscriber::OnTimer(void)
+{
+    for (int i=0; i<TableSize; i++)
+        if (NULL != TimerTable[i].CallBack)
+            if (0 == --TimerTable[i].Counter)
+            {
+                TimerTable[i].CallBack->TimerEvent();
+                TimerTable[i].Counter = TimerTable[i].Divider;
+            };
+    TickerCounter++;
+}
+
+bool TimerSubscriber::Subscribe(class TimerDependent *adres, const unsigned int inDivider)
+{
+    for (int i=0; i<TableSize; i++)
+        if (NULL == TimerTable[i].CallBack)
+        {
+            TimerTable[i].CallBack = adres;
+            TimerTable[i].Divider = inDivider;
+            TimerTable[i].Counter = inDivider;
+            return true;
+        }
+    return false;
+}
+
+bool TimerSubscriber::UnSubscribe(const class TimerDependent *adres)
+{
+    for (int i=0; i<TableSize; i++)
+        if (adres == TimerTable[i].CallBack)
+        {
+            TimerTable[i].CallBack = NULL;
+            return true;
+        }
+    return false;
+}
+
+//---------------------------------------------------------------------------------------
+//  class TimerDependent
+//---------------------------------------------------------------------------------------
+
+TimerDependent::TimerDependent()
+{
+}
+
+TimerDependent::~TimerDependent()
+{
+}
+