a

Dependencies:   mbed

Revision:
0:f429cba13b88
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Oct 20 01:26:25 2018 +0000
@@ -0,0 +1,20 @@
+#include "mbed.h"
+
+InterruptIn button(D2);
+DigitalIn buttoon(D12);
+Serial pc (USBTX,USBRX);
+
+int count=0;
+void interrupt(){
+    int b = buttoon.read();
+    if( b==0)
+    count ++;
+    else
+    count --;
+    pc.printf("%d\n",count);
+    }
+int main() {
+    button.rise(interrupt);
+    while(1) {
+    }
+}