Play RTTTL

Syntax:

    PlayRTTTL SoundPlayRTTTLDataString

You must specify the following include and the port of the sound device.

    #include <songplay.h>
    #define SOUNDOUT PORTN.N

Command Availability:: Available on all microcontrollers.

Explanation: This command will play a sequence of notes in the Nokia RTTTL string format.

The SoundPlayRTTTLDataString is a string representing a musical note or notes to play where Notes are A to G. This format and information below is credited to WikiPedia, see here. To be recognized by ringtone programs, an RTTTL/Nokring format ringtone must contain three specific elements: name, settings, and notes. For example, here is the RTTTL ringtone for Haunted House:

HauntHouse: d=4,o=5,b=108: 2a4, 2e, 2d#, 2b4, 2a4, 2c, 2d, 2a#4, 2e., e, 1f4, 1a4, 1d#, 2e., d, 2c., b4, 1a4, 1p, 2a4, 2e, 2d#, 2b4, 2a4, 2c, 2d, 2a#4, 2e., e, 1f4, 1a4, 1d#, 2e., d, 2c., b4, 1a4

The three parts are separated by a colon.

  • Part 1: name of the ringtone (here: "HauntHouse"), a string of characters represents the name of the ringtone
  • Part 2: settings (here: d=4,o=5,b=108), where "d=" is the default duration of a note. In this case, the "4" means that each note with no duration specifier (see below) is by default considered a quarter note. "8" would mean an eighth note, and so on. Accordingly, "o=" is the default octave. There are four octaves in the Nokring/RTTTL format. And "b=" is the tempo, in "beats per minute".
  • Part 3: the notes. Each note is separated by a comma and includes, in sequence: a duration specifier, a standard music note, either a, b, c, d, e, f or g, and an octave specifier. If no duration or octave specifier are present, the default applies.

Example 1:

    #chip 16f877a
    #include <songplay.h>


    #define SOUNDOUT PORTA.4
    PlayRTTTL "HauntHouse: d=4,o=5,b=108: 2a4, 2e, 2d#, 2b4, 2a4, 2c, 2d, 2a#4, 2e., e, 1f4, 1a4, 1d#, 2e., d, 2c., b4, 1a4, 1p, 2a4, 2e, 2d#, 2b4, 2a4, 2c, 2d, 2a#4, 2e., e, 1f4, 1a4, 1d#, 2e., d, 2c., b4, 1a4"

Example 2:

		#chip 16f877a
    #include <songplay.h>

    'Defines
    #define SoundOut PORTC.0


    Dir SoundOut Out
    Dim SoundPlayRTTTLDataString as String


    wait 1 s
    SoundPlayRTTTLDataString = "Thegood,:d=4,o=6,b=63:32c,32f,32c,32f,c,8g_5,8a_5,f5,8p,32c,32f,32c,32f,c,8g_5,8a_5,d_"
    PlayRTTTL(SoundPlayRTTTLDataString)


    wait 1 s
    SoundPlayRTTTLDataString ="LedZeppel:d=4,o=6,b=80:8g,16p,8f_,16p,8f,16p,8e,16p,8d,8a5,8c,16p,8b5,16p,a_5,8a5,16f5,16e5,16d5,8p,16p,16a_5,16a_5,16a_5,8p,16p,16b5,16b5,16b5,8p,16p,16b5,16b5,16b5,8p,16p,16c,16c,16c,8p,16p,16c,16c,16c"
    PlayRTTTL(SoundPlayRTTTLDataString)


    Do Forever
    Loop
    End

For more help, see Sound Overview

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