Use Joystick & Push buttons to enter the 'secret' Konami/Contra Cheat Code.
When correct code is entered:
Play Konami/Contra Intro through the buzzer, demonstrating buzzer tune() API and pitch/tone/simple music generation.
Blue LED lights up.
TI LaunchPad
Educational BoosterPack MKII
None. This basic example just uses your LaunchPad and BoosterPack only.
/*
Educational BoosterPack MK II - Konami/Contra Intro
http://boosterpackdepot.info/wiki/index.php?title=Educational_BoosterPack_MK_II
Use Joystick & Push buttons to enter the 'secret' Konami/Contra Cheat Code
When correct code is entered:
- Play Konami/Contra Intro through the buzzer, demonstrating
buzzer tune() API and pitch/tone/simple music generation
- Blue LED lights up
Use Serial Monitor window to debug/follow statemachine
Feb 2014 - Initial version created for Edu BP MK II
by Dung Dang
*/
#include "pitches.h"
int buzzerPin = 40;
// notes in the melody:
int melody[] = {
NOTE_F2, NOTE_C6, NOTE_B5, NOTE_G5, NOTE_A5, NOTE_E1, NOTE_B1, NOTE_E1, NOTE_B1, NOTE_E1, NOTE_B1,
NOTE_G6, NOTE_F6, NOTE_DS6, NOTE_C6, NOTE_AS5, NOTE_C6, NOTE_AS5, NOTE_GS5, NOTE_G5, NOTE_GS5,
NOTE_G5, NOTE_F5, NOTE_DS5, NOTE_F5, NOTE_AS4, NOTE_C5, NOTE_DS5, NOTE_F5,
NOTE_C6, NOTE_NOTONE, NOTE_AS5, NOTE_C6, NOTE_D6, NOTE_DS6, NOTE_F5,
NOTE_C6, NOTE_NOTONE, NOTE_AS5, NOTE_C6, NOTE_D6, NOTE_GS5, NOTE_F5,
// Repeat once
NOTE_C6, NOTE_NOTONE, NOTE_AS5, NOTE_C6, NOTE_D6, NOTE_DS6, NOTE_F5,
NOTE_C6, NOTE_NOTONE, NOTE_AS5, NOTE_C6, NOTE_D6, NOTE_GS5, NOTE_F5,
NOTE_C6, NOTE_NOTONE, NOTE_C6, NOTE_D6, NOTE_DS6, NOTE_NOTONE, NOTE_DS6, NOTE_NOTONE,
NOTE_G5, NOTE_AS5, NOTE_C6, NOTE_D6, NOTE_NOTONE, NOTE_D6, NOTE_DS6,
NOTE_C6, NOTE_NOTONE, NOTE_C6, NOTE_NOTONE, NOTE_DS6, NOTE_F6
};
// note durations: 4 = quarter note, 8 = eighth note, etc.:
int noteDurations[] = {
2, 2, 2, 2,1, 2, 2, 2, 2, 2, 1, // 11 start screen notes
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, // 20 notes
16, 16, 16, 16, 16, 16, 16, 2, // for both lines
16, 16, 16, 8, 16, 2, 2, // 7
16, 16, 16, 8, 16, 2, 2, // 7
// Repeat once
16, 16, 16, 8, 16, 2, 2, // 7
16, 16, 16, 8, 16, 2, 2, // 7
16, 16, 4, 4, 16, 16, 16, 8, // 8
16, 16, 16, 16, 16, 4, 4, // 7
16, 16, 16, 16, 16, 4 // 6
};
//Joystick
const int JOY_X = 2;
const int JOY_Y = 26;
const int JOY_SEL = 5; //Substitute for the Start button
//Push Button/Switch
const int BUTTON_A = 33;
const int BUTTON_B = 32;
const int RGB_BLUE_LED = 37;
int statemachine = 0;
int pressedLeft(void);
int pressedRight(void);
int pressedUp(void);
int pressedDown(void);
int pressedA(void);
int pressedB(void);
int pressedStart(void);
void setup()
{
// put your setup code here, to run once:
statemachine =0;
pinMode(BUTTON_B, INPUT);
pinMode(BUTTON_A, INPUT);
pinMode(JOY_SEL, INPUT);
pinMode(buzzerPin,OUTPUT);
pinMode(RGB_BLUE_LED, OUTPUT);
digitalWrite(RGB_BLUE_LED, 0);
Serial.begin(115200);
}
void loop()
{
// put your main code here, to run repeatedly:
Serial.print("State Machine = ");
Serial.println(statemachine);
switch (statemachine)
{
//---UP---
case 0:
if (pressedUp()) //JoyStick Up
if (backToCenter()) // Then back to center
statemachine++;
else
statemachine = 0;
else
statemachine = 0;
break;
//---UP---
case 1:
if (pressedUp()) //JoyStick Up
if (backToCenter()) // Then back to center
statemachine++;
else
statemachine = 0;
else
statemachine = 0;
break;
//---DOWN---
case 2:
if (pressedDown()) //JoyStick Down
if (backToCenter()) // Then back to center
statemachine++;
else
statemachine = 0;
else
statemachine = 0;
break;
//---DOWN---
case 3:
if (pressedDown()) //JoyStick Down
if (backToCenter()) // Then back to center
statemachine++;
else
statemachine = 0;
else
statemachine = 0;
break;
//---LEFT---
case 4:
if (pressedLeft()) //JoyStick left
if (backToCenter()) // Then back to center
statemachine++;
else
statemachine = 0;
else
statemachine = 0;
break;
//---RIGHT---
case 5: // Waiting for Right
if (pressedRight()) //JoyStick right
if (backToCenter()) // Then back to center
statemachine++;
else
statemachine = 0;
else
statemachine = 0;
break;
//---LEFT---
case 6:
if (pressedLeft()) //JoyStick left
if (backToCenter()) // Then back to center
statemachine++;
else
statemachine = 0;
else
statemachine = 0;
break;
//---RIGHT---
case 7: // Waiting for Right
if (pressedRight()) //JoyStick right
if (backToCenter()) // Then back to center
statemachine++;
else
statemachine = 0;
else
statemachine = 0;
break;
//---BUTTON_B---
case 8: // Waiting for Right
delay(300);
if (pressedB()) //Button B
statemachine++;
else
statemachine = 0;
break;
//---BUTTON_A---
case 9: // Waiting for Right
if (pressedA()) //Button A
statemachine++;
else
statemachine = 0;
break;
//---START---
case 10: // Waiting for Start
if (pressedStart()) //JoyStick Start
statemachine++;
else
statemachine = 0;
break;
case 11:
digitalWrite(RGB_BLUE_LED, 1);
for (int thisNote = 0; thisNote < 80; thisNote++)
{
// to calculate the note duration, take one second
// divided by the note type.
//e.g. quarter note = 1000 / 4, eighth note = 1000/8, etc.
// Had to down tempo to 100/150
int noteDuration = 1500/noteDurations[thisNote];
tone(buzzerPin, melody[thisNote],noteDuration);
int pauseBetweenNotes = noteDuration + 50; //delay between pulse
delay(pauseBetweenNotes);
noTone(buzzerPin); // stop the tone playing
}
digitalWrite(RGB_BLUE_LED, 0);
statemachine = 0; // Reset statemachine
break;
}
}
int pressedLeft(void)
{
uint8_t pass = 1;
while ( (analogRead(JOY_X)>0) && (pass==1) )
{
// Ensure no other buttons/joystick directions are pressed
if ( (digitalRead(BUTTON_A) == 0) ||
(digitalRead(BUTTON_B) == 0) ||
(digitalRead(JOY_SEL) == 0) )
pass = 0;
if ( (analogRead(JOY_Y)<10) || (analogRead(JOY_Y) > 4050) )
pass = 0;
}
return pass;
}
int pressedRight(void)
{
uint8_t pass = 1;
while ( (analogRead(JOY_X)<4094) && (pass==1))
{
// Ensure no other buttons/joystick directions are pressed
if ( (digitalRead(BUTTON_A) == 0) ||
(digitalRead(BUTTON_B) == 0) ||
(digitalRead(JOY_SEL) == 0) )
pass = 0;
if ( (analogRead(JOY_Y)<10) || (analogRead(JOY_Y) > 4050) )
pass = 0;
}
return pass;
}
int pressedDown(void)
{
uint8_t pass = 1;
while ( (analogRead(JOY_Y)>0) && (pass==1))
{
// Ensure no other buttons/joystick directions are pressed
if ( (digitalRead(BUTTON_A) == 0) ||
(digitalRead(BUTTON_B) == 0) ||
(digitalRead(JOY_SEL) == 0) )
pass = 0;
if ( (analogRead(JOY_X)<10) || (analogRead(JOY_X) > 4050) )
pass = 0;
}
return pass;
}
int pressedUp(void)
{
uint8_t pass = 1;
while ( (analogRead(JOY_Y)<4094) && (pass==1))
{
// Ensure no other buttons/joystick directions are pressed
if ( (digitalRead(BUTTON_A) == 0) ||
(digitalRead(BUTTON_B) == 0) ||
(digitalRead(JOY_SEL) == 0) )
pass = 0;
if ( (analogRead(JOY_X)<10) || (analogRead(JOY_X) > 4050) )
pass = 0;
}
return pass;
}
int backToCenter(void)
{
uint8_t pass = 1;
while ( ( (analogRead(JOY_X)>2200) ||
(analogRead(JOY_X)<1800) ||
(analogRead(JOY_Y)>2200) ||
(analogRead(JOY_Y)<1800) )
&& (pass==1) )
{
// Ensure no other buttons/joystick directions are pressed
if ( (digitalRead(BUTTON_A) == 0) ||
(digitalRead(BUTTON_B) == 0) ||
(digitalRead(JOY_SEL) == 0) )
pass = 0;
}
return pass;
}
int pressedA(void)
{
uint8_t pass = 1;
while ( (digitalRead(BUTTON_A)==1) &&
(pass==1) )
{
// Ensure no other buttons/joystick directions are pressed
if ( (digitalRead(BUTTON_B) == 0) ||
(digitalRead(JOY_SEL) == 0) )
pass = 0;
if ( (analogRead(JOY_X)>4050) ||
(analogRead(JOY_X)<10) ||
(analogRead(JOY_Y)>4050) ||
(analogRead(JOY_Y)<10) )
pass = 0;
}
if (pass)
while (digitalRead(BUTTON_A)==0); //Wait until button is released
return pass;
}
int pressedB(void)
{
uint8_t pass = 1;
while ( (digitalRead(BUTTON_B)==1) &&
(pass==1) )
{
// Ensure no other buttons/joystick directions are pressed
if ( (digitalRead(BUTTON_A) == 0) ||
(digitalRead(JOY_SEL) == 0) )
pass = 0;
if ( (analogRead(JOY_X)>4050) ||
(analogRead(JOY_X)<10) ||
(analogRead(JOY_Y)>4050) ||
(analogRead(JOY_Y)<10) )
pass = 0;
}
if (pass)
while (digitalRead(BUTTON_B)==0); //Wait until button is released
return pass;
}
int pressedStart(void)
{
uint8_t pass = 1;
while ( (digitalRead(JOY_SEL)==1) &&
(pass==1) )
{
// Ensure no other buttons/joystick directions are pressed
if ( (digitalRead(BUTTON_B) == 0) ||
(digitalRead(BUTTON_A) == 0) )
pass = 0;
if ( (analogRead(JOY_X)>4050) ||
(analogRead(JOY_X)<10) ||
(analogRead(JOY_Y)>4050) ||
(analogRead(JOY_Y)<10) )
pass = 0;
}
if (pass)
while (digitalRead(JOY_SEL)==0); //Wait until button is released
return pass;
}
Corrections, suggestions, and new documentation are very welcomed. They can be contributed to the energia website repository on Github.
The text of the Energia getting started and reference guides are licensed under a Creative Commons Attribution-ShareAlike 3.0 License. The Energia reference is based on the Wiring/Arduino reference. Code samples in the guide are released into the public domain.
Energia sketches are C/C++ based and compiled with the open-source compiler MSPGCC or arm-gcc-none-eabi. The Energia language comes from Wiring. The Energia environment is based on Processing and includes modifications made by Wiring and Arduino.
© Energia