voiceSetVolume (Function)

Controls the volume level used by voiceTalk when playing messages during a voice session.

The volume level does not refer to an absolute level and may vary between different device types.

Input:                

volume: SINT (0..100) Default 50

Playback volume.

Returns: INT

Declaration:

FUNCTION voiceSetVolume : INT;
VAR_INPUT
   volume : SINT := 50;
END_VAR;

Example:

INCLUDE rtcu.inc
 
PROGRAM test;
 
// Set the voice message playback volume
voiceSetVolume(volume := 90);
 
// Turn on power to the GSM module
gsmPower(power := TRUE);
...
BEGIN
   ...
   // Play the "Welcome" message
   voiceTalk(message := "Welcome.wav");
   ...
END;
 
END_PROGRAM;