Lee Nam Cheol / Mbed OS lab04-uart-rx

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Diff: main.cpp

Revision:
2:ff8fd9e3d380
Parent:
1:89d23c8072af
--- a/main.cpp	Tue Apr 21 12:20:31 2020 +0000
+++ b/main.cpp	Mon Apr 27 08:01:20 2020 +0000
@@ -1,16 +1,15 @@
 #include "mbed.h"
 
-PwmOut servo(PTA1);   //servo = PTA1
+Serial uart_rx(D1, D0);   //D1 = tx, D0 = rx
+DigitalOut led(D2);
 
 int main()
 {
-    float w;
-
-    servo.period(20.0 / 1000.0);    //period = 20ms for SG90 servo
-    while (true) { //500 ~ 2500us for degree 0 to 180
-        for(w = 500; w <= 2500; w += 100) {
-            servo.write(w / (20.0 * 1000.0));
-            thread_sleep_for(1000);
+    while(true) {
+        if(uart_rx.getc() == '1') {
+            led = 1;
+            thread_sleep_for(200);
+            led = 0;
         }
     }
 }
\ No newline at end of file