Diff: PushDuration.cpp

Revision:

0:19efa3fea668

Child:

2:126fed923ada

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PushDuration.cpp	Fri May 20 15:05:10 2016 +0000
@@ -0,0 +1,53 @@
+#include "mbed.h"
+#include "PushDuration.h"
+/**
+ * React() function is called by release() when the button is released. It traverses through the two
+ * dimensional key vale array and matches the push duration with the corresponding callback function.
+**/
+void ButtonHandler::react(int counter) const {
+    const action *a = mTable.table;
+    for (std::size_t i=mTable.size; i; --i, ++a) {
+        if ((counter >= a->counter_limit) && counter < (a+1)->counter_limit ) {
+            a->transition();
+            return;
+        }
+    }
+}
+
+/**
+ * Configures the button pin mode, attaches callback functions for rise and fall
+ * and enables IRQ for the given pin. 
+**/
+void ButtonHandler::enable() {
+    buttonPin.mode(PullUp);
+    wait(0.01);
+    buttonPin.rise(this, &ButtonHandler::release);
+    buttonPin.fall(this, &ButtonHandler::press);
+    buttonPin.enable_irq();
+}
+
+/**
+ *
+ *
+ *
+**/ 
+
+void ButtonHandler::disable() {
+    buttonPin.disable_irq();
+    ticker.detach();
+}
+
+void ButtonHandler::press() {
+    counter = 0;
+    ticker.attach(this, &ButtonHandler::secondsCount, intervalInSeconds);
+}
+
+void ButtonHandler::secondsCount() {
+    ++counter;
+}
+
+void ButtonHandler::release() {
+    ticker.detach();
+    react(counter);
+    counter = 0;
+}
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