Diff: alarm.h

Revision:

0:070d52cbaed0

Child:

1:2dcc0acbaa0b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/alarm.h	Wed Dec 16 18:52:50 2020 +0000
@@ -0,0 +1,79 @@
+
+#include "mbed.h"
+#include "EthernetInterface.h"
+#include "NTPClient.h"
+
+#define VOLUME 1
+
+Serial pc(USBTX, USBRX);
+
+// Parameters
+char* domain_name = "us.pool.ntp.org";
+int port_number = 123;
+
+// Networking
+EthernetInterface eth;
+NTPClient ntpClient;
+
+//Pins
+PwmOut pwm_pin(p21);
+DigitalIn button(p8);
+BusOut LEDS(LED1,LED2,LED3,LED4);
+
+
+
+// Plays a sound with the defined frequency, duration, and volume
+void playNote(float frequency, float duration, float volume) {
+    pwm_pin.period(1.0/frequency);
+    pwm_pin = volume/2.0;
+    wait(duration);
+    pwm_pin = 0.0;
+}
+
+void soundalarm()
+{
+    time_t ctTime; 
+    eth.init();
+    eth.connect();
+    
+    
+    pc.printf("IP address is \n%s\n\n",eth.getIPAddress());
+    wait(1);
+    
+    char* domainName="0.uk.pool.ntp.org";
+    
+
+    // Read time from server
+    pc.printf("Reading time...\n\r");
+    ntpClient.setTime(domainName,123,0x00005000);
+    char buffer[80];
+    wait(2);
+    eth.disconnect();
+    ctTime = time(NULL); 
+    pc.printf("Alarm began on\n");
+    strftime(buffer, 80, "    %a %b %d\n    %T %p %z\n    %Z\n", \
+                                                localtime(&ctTime));
+    pc.printf("    UTC/GMT:\n%s", buffer);
+        
+    // Loop
+    while((button==1))
+     {   
+    playNote(960,1.2,VOLUME);
+    LEDS=0x0F;
+    wait(0.1);
+    playNote(770,1.2,VOLUME);
+    LEDS=0;
+    }
+    
+     pc.printf("Alarm stopped on\n");
+    ctTime = time(NULL); 
+    strftime(buffer, 80, "    %a %b %d\n    %T %p %z\n    %Z\n", \
+                                                localtime(&ctTime));
+    pc.printf("    UTC/GMT:\n%s", buffer);
+}
+
+
+
+
+
+