Iterative version of fibonacci sequence

Dependencies:   mbed

Revision:
0:8f9265fb1552
Child:
1:0ce8847b93cf
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Jul 31 12:19:03 2020 +0000
@@ -0,0 +1,20 @@
+#include"mbed.h"
+
+Serial pc(USBTX,USBRX);//tx,rx
+PwmOut led(LED1);
+float brightness=0.0;
+
+int main(){
+    pc.printf("Press 'u' to turn LED1 brightness up, 'd' to turn it down\n");
+    while(1){
+        char c =pc.getc();
+        if((c=='u')&&(brightness<0.5)){
+            brightness+=0.01;
+            led=brightness;
+            pc.putc('^');}
+        if((c=='d')&&(brightness>0.0)){
+            brightness-=0.01;
+            led=brightness;
+            pc.putc('v');}
+    }
+}