Lチカ+シリアル出力

Revision:
0:c2c4a841c8f4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jan 03 07:43:46 2018 +0000
@@ -0,0 +1,13 @@
+#include "mbed.h"
+
+DigitalOut led1(LED1);
+Serial pc(USBTX,USBRX);
+// main() runs in its own thread in the OS
+int main() {
+    while (true) {
+        pc.printf("abc\r\n");
+        led1 = !led1;
+        wait(0.5);
+    }
+}
+