Hikaru Inoue
Diff: main.cpp
- Revision:
- 0:16b89251f78a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sat Nov 28 14:29:09 2009 +0000
@@ -0,0 +1,28 @@
+#include "mbed.h"
+
+static const double MIN_T = 0.04;
+static const double MAX_T = 0.20;
+
+int main() {
+ DigitalOut led[] = {LED1, LED2, LED3, LED4};
+
+ double t = MAX_T;
+ int dir = -1; // decrement
+ for (;;) {
+ for (int i = 0; i <= 2; i++) {
+ led[i] = 1;
+ wait(t);
+ led[i] = 0;
+ }
+ for (int i = 3; i >= 1; i--) {
+ led[i] = 1;
+ wait(t);
+ led[i] = 0;
+ }
+
+ t += dir * 0.01;
+ if (t >= MAX_T || t <= MIN_T) {
+ dir = -dir;
+ }
+ }
+}
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