Leong Kum Loong (NYP) / tone_h

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Dependents:   Tone_Example

Diff: tone.h

Revision:
3:9ddabd24f48c
Parent:
1:3b00679c208a
--- a/tone.h	Sun Nov 19 10:17:34 2017 +0000
+++ b/tone.h	Mon Nov 20 03:53:48 2017 +0000
@@ -1,7 +1,7 @@
 /*
     tone.h
     Written by Leong Kum Loong.
-    19 Nov 2017, REV. 1
+    20 Nov 2017, REV. 2
     
     All routines and functions in this library are written by me solely with the purpose
     of implementing an identical "tone" library that was introduced by Arduino IDE.
@@ -16,7 +16,9 @@
 #define tone_h
 #include "mbed.h"
 
-void tone(int frequency, int duration_ms);
+void tone(int frequency, int duration_ms=0);    //Sound tone at specific frequency of 50% duty cycle and duration(optional).
+
+void noTone();  //Turn off tone.
 
 void mario_example();