EES_2015 / Mbed 2 deprecated 4bit_binray_counter_using_switch

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Dependencies:   DebounceIn mbed

Diff: main.cpp

Revision:
0:74d1c03b0439
Child:
1:0a9d678c6d6c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Nov 16 12:29:51 2015 +0000
@@ -0,0 +1,28 @@
+#include "mbed.h"
+#include "DebounceIn.h"
+DigitalOut l1(LED1);
+DigitalOut l2(LED2);
+DigitalOut l3(LED3);
+DigitalOut l4(LED4);
+DebounceIn   pb(p8);
+// SPST Pushbutton demo using internal PullUp function
+// no external PullUp resistor needed
+// Pushbutton from P8 to GND.
+int main() {
+    int count=0;
+    int old_pb=1;
+    int new_pb;
+    pb.mode(PullUp);
+    wait(0.01);
+ 
+    while(1) {
+        new_pb = pb;
+        if((new_pb == 0) & (old_pb ==1))
+            count++;
+        l4 = count & 0x01;
+        l3 = (count & 0x02) >> 1;
+        l2 = (count & 0x04) >> 2;
+        l1 = (count & 0x08) >> 3;
+        old_pb = new_pb;
+    }
+}
\ No newline at end of file