Added alarm (1 second ininterruptible ring)

1 files changed, 31 insertions, 1 deletions

diff --git a/arduino_sketch/fuzzy_alarm_clock_ds1307/fuzzy_alarm_clock_ds1307.pde b/arduino_sketch/fuzzy_alarm_clock_ds1307/fuzzy_alarm_clock_ds1307.pde
index 8c24791..700e35e 100644
--- a/arduino_sketch/fuzzy_alarm_clock_ds1307/fuzzy_alarm_clock_ds1307.pde
+++ b/arduino_sketch/fuzzy_alarm_clock_ds1307/fuzzy_alarm_clock_ds1307.pde
@@ -3,7 +3,7 @@
 #include <RealTimeClockDS1307.h>
 
 // minutes of "dawn" before alarm
-#define TIN 30
+#define TIN 2
 // "dawn" + "daylight"
 #define TDAY 45
 // "dawn" + "daylight" + blue blinding light
@@ -17,6 +17,8 @@
 #define YPIN 5
 #define BPIN 6
 
+#define APIN 9
+
 int st = 0; // alarm status (minutes from alarm - TIN)
 char alarms[NALARMS][5]; // alarm settings
 char cmin; // current minute
@@ -87,6 +89,9 @@ void loop () {
   if ( st > 0 ) {
       set_leds();
   }
+  if ( st == TIN ) {
+      ring_alarm();
+  }
   
   // wait about till the next second
 
@@ -327,4 +332,29 @@ void set_leds() {
   }
 }
 
+// PC speaker
+//
+void ring_alarm() {
+        analogWrite(APIN,8);
+        delay(500);
+        analogWrite(APIN,0);
+        delay(500);
+        analogWrite(APIN,16);
+        delay(500);
+        analogWrite(APIN,0);
+        delay(500);
+        analogWrite(APIN,32);
+        delay(500);
+        analogWrite(APIN,0);
+        delay(500);
+        analogWrite(APIN,64);
+        delay(500);
+        analogWrite(APIN,0);
+        delay(500);
+        analogWrite(APIN,128);
+        delay(500);
+        analogWrite(APIN,0);
+        delay(500);
+}
+
 // vim: set filetype=c: