Diff: UI/Buttons/Buttons.cpp

Revision:

0:826c6171fc1b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/UI/Buttons/Buttons.cpp	Wed Jun 20 14:57:48 2012 +0000
@@ -0,0 +1,51 @@
+#include "Buttons.h"
+#include "PinDetect.h"
+
+PinDetect nextButton(p14);
+PinDetect selectButton(p16);            // Input selectButton
+PinDetect prevButton(p15);
+
+Buttons::Buttons(void): which(0), pressed(false)
+{
+}
+
+void Buttons::init()
+{
+
+    // Set up button (plugs into two GPIOs, active low
+    selectButton.mode(PullUp);
+    selectButton.setSamplesTillAssert(50);
+    selectButton.setAssertValue(0); // active low logic
+    selectButton.setSampleFrequency(50); // us
+    selectButton.attach_asserted( this, &Buttons::selectPressed );
+    
+    nextButton.mode(PullUp);
+    nextButton.setSamplesTillAssert(50);
+    nextButton.setAssertValue(0); // active low logic
+    nextButton.setSampleFrequency(50); // us
+    nextButton.attach_asserted( this, &Buttons::nextPressed );
+
+    prevButton.mode(PullUp);
+    prevButton.setSamplesTillAssert(50);
+    prevButton.setAssertValue(0); // active low logic
+    prevButton.setSampleFrequency(50); // us
+    prevButton.attach_asserted( this, &Buttons::prevPressed );
+}
+
+void Buttons::nextPressed() 
+{
+    pressed = true;
+    which = NEXT_BUTTON;
+}
+
+void Buttons::prevPressed() 
+{
+    pressed = true;
+    which = PREV_BUTTON;
+}
+
+void Buttons::selectPressed()
+{
+    pressed = true;
+    which = SELECT_BUTTON;
+}