brightness control of led by PWM Technic

Dependencies:   mbed

Revision:
0:366ff44cdee8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Nov 03 06:50:30 2016 +0000
@@ -0,0 +1,16 @@
+#include "mbed.h"
+DigitalIn ButtonUp(p5,PullUp);
+DigitalIn ButtonDown(p6,PullUp);
+PwmOut led(p26);
+int val=0;
+int main() {
+    while(1) {
+        if((ButtonUp==1)&&(val<255))
+        {wait_ms(10);
+          val++;}
+        else if((ButtonDown==1)&&(val>0))
+        {wait_ms(10);
+            val--;}
+        val=led;   
+    }
+}