MengLi Shih
quiz1_1
Revision 0:ef4ce59f2913, committed 2017-03-01
- Comitter:
- shih775007
- Date:
- Wed Mar 01 10:09:07 2017 +0000
- Commit message:
- quiz1_1
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Mar 01 10:09:07 2017 +0000
@@ -0,0 +1,32 @@
+#include "mbed.h"
+
+#define BREATHE_PERIOD 4500 // ms
+#define INHALE_PERIOD (BREATHE_PERIOD / 4)
+#define EXHALE_PERIOD (BREATHE_PERIOD / 2)
+#define HOLD_PERIOD (BREATHE_PERIOD / 8)
+
+
+//BusOut leds(LED1, LED2, LED3, LED4);
+PwmOut led(D6);
+
+int main() {
+ float brightness;
+
+ while(1) {
+ for (int i = 0; i <= 32; i++) {
+ brightness = i * i / (float)(32 * 32);
+ led = brightness;
+ wait_ms(INHALE_PERIOD / 32);
+ }
+
+ wait_ms(HOLD_PERIOD);
+
+ for (int i = 0; i <= 32; i++) {
+ brightness = 1- (i * i / (float)(32 * 32));
+ led = brightness;
+ wait_ms(EXHALE_PERIOD / 32);
+ }
+
+ wait_ms(HOLD_PERIOD);
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Mar 01 10:09:07 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/2241e3a39974 \ No newline at end of file