Diff: main.cpp

Revision:

0:e111fc0f3ecb

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Feb 10 20:01:27 2014 +0000
@@ -0,0 +1,38 @@
+#include "mbed.h"
+
+/*
+ * Book - 9.10 (page 198)
+ * 
+ * Switch debounce based on a simple 50ms wait before next event processed
+ * Note - the wait time DEPENDS on your switch. Experiment !!!
+ */
+
+DigitalOut  led1(LED1);
+DigitalOut  led2(LED2);
+InterruptIn button(p12);
+Timer       debounce;
+
+void    rise(void);
+void    fall(void);
+
+int main() {
+    debounce.start();
+    button.rise(&rise);  
+    //button.fall(&fall);    
+}
+
+void    rise() {
+    printf("rise\n");
+    if (debounce.read_ms() > 50) {
+        led1 = !led1;
+        debounce.reset();
+    }
+}
+
+void    fall() {
+    printf("fall\n");
+    if (debounce.read_ms() > 50) {
+        led2 = !led2;
+        debounce.reset();
+    }
+}
\ No newline at end of file