Dongha Shin / Mbed OS my-first-blinky

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Revision 2:c9a1ef1c71d4, committed 2021-03-16

Comitter:
dshin
Date:
Tue Mar 16 16:09:45 2021 +0000
Parent:
1:ddc617f4c5d3
Commit message:
my-first-blinky

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/main.cpp	Tue Mar 16 15:47:02 2021 +0000
+++ b/main.cpp	Tue Mar 16 16:09:45 2021 +0000
@@ -1,23 +1,18 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2019 ARM Limited
- * SPDX-License-Identifier: Apache-2.0
- */
+#include "mbed.h"
 
-#include "mbed.h"
-#include "platform/mbed_thread.h"
-
+// https://os.mbed.com/docs/mbed-os/v5.15/tools/creating-a-new-program.html
 
-// Blinking rate in milliseconds
-#define BLINKING_RATE_MS                                                    500
-
+Serial pc(USBTX, USBRX, 115200);    // baud rate 115200
+DigitalOut led(LED1);               // led = LED1
 
 int main()
 {
-    // Initialise the digital pin LED1 as an output
-    DigitalOut led(LED1);
-
     while (true) {
-        led = !led;
-        thread_sleep_for(BLINKING_RATE_MS);
+        led = 0;
+        printf("LED1 is ON\r\n");
+        thread_sleep_for(500);
+        led = 1;
+        printf("LED1 is OFF\r\n");
+        thread_sleep_for(500);
     }
-}
+}
\ No newline at end of file