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Of course, the choice is entirely up to you, but we provide the option to enable your terminal to make a beep sound if you ever need it. In this example, we’ve made a small change to the Command Callback Example by adding a call to the beep() function at the end of the execution_function.

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/*
 * Created on June 8 2024
 *
 * Copyright (c) 2023 - Daniel Hajnal
 * hajnal.daniel96@gmail.com
 * This file is part of the Shellminator project.
 * Modified 2023.05.13
*/
 
#include "Shellminator.hpp"
 
int beep_counter = 0;
 
// Create a Shellminator object, and initialize it to use Serial
Shellminator shell( &Serial );
 
// Create a function, that can be called every time when a command gets entered.
void execution_function( char* command, Shellminator* caller ){
    if( beep_counter >= 3 ){
        caller -> channel -> println( "It was enough beeping for today..." );
        return;
    }
    caller -> channel -> println( "Beeeep!" );
    caller -> beep();
    beep_counter++;
}
 
// System init section.
void setup(){
 
    Serial.begin(115200);
 
    // Clear the terminal
    shell.clear();
 
    Serial.println( "It will only work, when you type something into the prompt." );
    Serial.println();
 
    // Attach the execution function to the shell object.
    shell.attachExecFunc( execution_function );
 
    // Initialize shell object.
    shell.begin( "arnold" );
 
}
 
// Infinite loop.
void loop(){
 
    // Process the new data.
    shell.update();
 
}

Of course, you can globally disable this feature within the terminal object, so even if the beep() function is called, it won’t produce any sound. All you need to do in this case is set the shell.mute variable to true.

shell.mute = true;

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