Toby Hammond
/
LEDCount
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:
- 0:aba03316ce9e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Oct 12 14:37:48 2010 +0000
@@ -0,0 +1,45 @@
+#include "mbed.h"
+
+DigitalOut myled1(LED1);
+DigitalOut myled2(LED2);
+DigitalOut myled3(LED3);
+DigitalOut myled4(LED4);
+
+int counter;
+
+void countup() {
+
+ for (counter = 1; counter < 9; counter = counter << 1) {
+ myled1 = counter & 1;
+ myled2 = (counter >> 1) & 1;
+ myled3 = (counter >> 2) & 1;
+ myled4 = (counter >> 3) & 1;
+ wait(0.1);
+ }
+}
+
+void countdown() {
+
+ for (counter = 8; counter > 1; counter = counter >> 1) {
+ myled1 = counter & 1;
+ myled2 = (counter >> 1) & 1;
+ myled3 = (counter >> 2) & 1;
+ myled4 = (counter >> 3) & 1;
+ wait(0.1);
+ }
+}
+
+int main() {
+ while (1) {
+ countup();
+ countdown();
+ }
+}
+
+
+
+
+
+
+
+