Matt Dominey
Stopwatch library with start, stop, and getTime functions. Returns a 00:00:00 in MM:SS:MS format with a max duration of ~30min per documentation on the Timer class. Can easily be output through an LCD/TFT with printf(stopwatch.getTime());
Revision 0:3328857bf625, committed 2012-07-16
- Comitter:
- mdomino
- Date:
- Mon Jul 16 19:46:34 2012 +0000
- Commit message:
- Stopwatch library
Changed in this revision
| Stopwatch.cpp | Show annotated file Show diff for this revision Revisions of this file |
| Stopwatch.h | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r 3328857bf625 Stopwatch.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Stopwatch.cpp Mon Jul 16 19:46:34 2012 +0000
@@ -0,0 +1,33 @@
+#include "Stopwatch.h"
+#include "mbed.h"
+
+Stopwatch::Stopwatch() {
+ // constructor
+}
+
+Stopwatch::~Stopwatch() {
+ // destructor
+}
+
+void Stopwatch::start() {
+ // Start the timer
+ sw.start();
+}
+
+void Stopwatch::stop() {
+ // Stop the timer
+ sw.stop();
+}
+
+char* Stopwatch::getTime() {
+ // Convert time in milliseconds to 00:00:00 format for output to LCD
+ // Returns a pointer to a 8 char array in time format
+ ms = sw.read_ms();
+ sec = (ms/1000);
+ ms = ms - (sec*1000);
+ min = (sec/60);
+ sec = sec - (min*60);
+ ms = (ms/10);
+ sprintf(buffer, "%02d:%02d:%d", min, sec, ms);
+ return buffer;
+}
\ No newline at end of file
diff -r 000000000000 -r 3328857bf625 Stopwatch.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Stopwatch.h Mon Jul 16 19:46:34 2012 +0000
@@ -0,0 +1,20 @@
+#include "stdio.h"
+#include "stdlib.h"
+#include "math.h"
+#include "mbed.h"
+
+class Stopwatch {
+public:
+ Stopwatch();
+ ~Stopwatch();
+ void start();
+ void stop();
+ char* getTime();
+ void countDown(int startTime);
+private:
+ int ms;
+ int sec;
+ int min;
+ char buffer[9];
+ Timer sw;
+};
\ No newline at end of file