syouichi imamori / Mbed OS MulticopterQuadX

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   IAP

Diff: PulseWidthCounter/PulseWidthCounter.cpp

Revision:
2:59ac9df97701
Child:
8:1db19b529b22
diff -r caafe8935da6 -r 59ac9df97701 PulseWidthCounter/PulseWidthCounter.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PulseWidthCounter/PulseWidthCounter.cpp	Fri Nov 15 20:53:36 2013 +0000
@@ -0,0 +1,28 @@
+#include "mbed.h"
+#include "InterruptIn.h"
+#include "PulseWidthCounter.h"
+
+PulseWidthCounter::PulseWidthCounter(PinName _interrupt,bool positive) : interrupt(_interrupt)     //constructa  
+{
+    if ( positive ) 
+    {   interrupt.rise(this,&PulseWidthCounter::start);
+        interrupt.fall(this,&PulseWidthCounter::stop);
+    }
+    else
+    {   interrupt.fall(this,&PulseWidthCounter::start);
+        interrupt.rise(this,&PulseWidthCounter::stop);
+    }
+}
+
+void PulseWidthCounter::start()
+{
+    _time.reset();
+    _time.start();
+}
+
+void PulseWidthCounter::stop()
+{
+    _time.stop();
+    count = _time.read_us();
+}
+