Bob Merrison-Hort / Mbed 2 deprecated elec350

elec350

Dependencies:   mbed

Fork of elec350 by Bob Merrison-Hort

Diff: button.cpp

Revision:
0:753cf4c2738f
Child:
3:998b7d011f2a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/button.cpp	Tue Oct 13 01:10:14 2015 +0000
@@ -0,0 +1,31 @@
+#include "button.h"
+
+Button::Button()
+{
+    this->pin = new DigitalIn(PA_0);
+}
+
+bool Button::isPressed()
+{
+    if (this->pin->read() == 1) {
+        return true;
+    } else {
+        return false;
+    }
+}
+
+float Button::waitWhileHeld()
+{
+    const float waitInterval = 0.1f;
+    while(this->isPressed() == false) {
+        wait(waitInterval);
+    }
+    
+    float heldTime = 0.0f;
+    while(this->isPressed() == true) {
+        heldTime += waitInterval;
+        wait(waitInterval);
+    }
+    
+    return heldTime;
+}
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