Assignment 2c commit work

Dependencies:   MODSERIAL mbed

Fork of Minor_test_serial by First Last

Revision:
2:2f4444f1504d
Parent:
1:40470bc517f1
Child:
3:a3ad58758696
--- a/main.cpp	Mon Sep 11 10:42:39 2017 +0000
+++ b/main.cpp	Tue Sep 11 15:05:35 2018 +0000
@@ -3,17 +3,25 @@
 
 DigitalOut myled(LED_GREEN);
 MODSERIAL pc(USBTX, USBRX);
+DigitalIn button(PTA4);
 
 int main()
 {
-    int i = 0;
+    char c;
+    c = pc.getc();
+    
     pc.baud(115200);
     pc.printf("Hello World!\r\n");
     
-    while (true) {
-        wait(0.5f); // wait a small period of time
-        pc.printf("%d \r\n", i); // print the value of variable i
-        i++; // increment the variable
-        myled = !myled; // toggle a led
+    while (true)
+    {
+        myled==1;
+        
+        if (button==0) 
+        {
+            wait(0.5f); // wait a small period of time
+            pc.printf("%c \n",c);
+            myled = !myled; // toggle a led
+        }
     }
 }