Diff: clocklogic.h

Revision:

32:56f59b79720c

Parent:

31:3255668e6b08

Child:

38:3fe3bafbf0c7

diff -r 3255668e6b08 -r 56f59b79720c clocklogic.h
--- a/clocklogic.h	Thu May 25 15:32:20 2017 +0000
+++ b/clocklogic.h	Thu May 25 15:43:31 2017 +0000
@@ -31,6 +31,7 @@
         {
             //set desired state to 5
             f_alarm = !(f_alarm);
+            f_alarm_sound = false;
             return -1;
         }
     }
@@ -42,6 +43,12 @@
 
 void runclock()
 {
+    DigitalOut gnd(PTA4) ;
+    PwmOut buzzer(PTA5);
+    float frequency[]={758, 758, 758, 955, 758, 638, 1276, 955, 1276, 1517, 1136, 1012, 1073, 1136, 1276, 758, 638, 568, 716, 638, 758, 955, 851, 1012, 955};
+    //frequency array
+    float beat[]={0.2, 0.4, 0.4, 0.2, 0.4, 0.8, 0.8, 0.6, 0.6, 0.6, 0.4, 0.4, 0.2, 0.4, 0.26, 0.26, 0.26, 0.4, 0.2, 0.4, 0.4, 0.2, 0.2, 0.2, 0.4};
+    int i =0
     draw_state(1);
     while (f_state == 1){
         read_time();
@@ -60,8 +67,21 @@
             }
         }
             
-            
-            
+                if(f_alarm && tm_c.hour == tm_a_hr && tm_c.min == tm_a_min && tm_c.sec < 3){
+                    f_alarm_sound = true;
+                }
+      
+//int gnd = 0 ;
+                if (f_alarm_sound)
+                {
+                    i = i % 26;
+                    i++ ;
+                    buzzer.period(1/(frequency[i])); // set PWM period
+                    buzzer=0.5;
+                    wait(0.1*beat[i]);
+                //
+                //hold for beat period ;
+                }    
         TFT.locate(70,40);
         TFT.printf("%d",tm_c.hour);
         TFT.locate(160,40);