Hsing-Hung Lai / Mbed 2 deprecated Nucleo_LED

homework_1

Dependencies:   mbed

Diff: main.cpp

Revision:
0:5e39cd6c5291
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Mar 10 14:05:44 2016 +0000
@@ -0,0 +1,44 @@
+/*LAB_LED*/
+#include "mbed.h"
+
+//LED1 = D13 = PA_5 (LED on Nucleo board)
+
+DigitalOut led1(LED1);
+Ticker timer1;
+
+int a;
+
+void init_IO(void)
+{
+    a = 0;
+    led1 = 0;
+}
+
+void timer1_interrupt(void)
+{
+    a = a+1;
+}
+
+void init_TIMER(void)
+{
+    timer1.attach_us(&timer1_interrupt, 1000.0);//1ms interrupt period (1 KHz)
+}
+
+int main()
+{
+
+    init_IO();
+    init_TIMER();
+
+    while(1) {
+
+        if (a==500) {
+            led1 = 1;
+        }
+
+        if(a==1000) {
+            led1 = 0;
+            a = 0;
+        }
+    }
+}
\ No newline at end of file