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music.c
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music.c
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/**
* @author Jackson Jenkins
* @version 12/2/2018
*/
#include "music.h"
#include <msp430.h>
// Definition of the notes' frequecies in Hertz.
#define c 261
#define d 294
#define e 329
#define f 349
#define g 391
#define gS 415
#define a 440
#define aS 455
#define b 466
#define cH 523
#define cSH 554
#define dH 587
#define dSH 622
#define eH 659
#define fH 698
#define fSH 740
#define gH 784
#define gSH 830
#define aH 880
#define b3 247
#define d3 146
#define f3 174
#define g3 196
#define a3 220
#define aSH3 233
#define c4 261
#define cSH4 277
#define d4 293
#define dSH4 311
#define e4 329
#define f4 349
#define fSH4 370
#define g4 392
#define gSH4 415
#define a4 440
#define aSH4 466
#define b4 493
#define d5 587
#define c5 523
#define cSH5 554
#define SIXTEENTH 124
#define EIGHT (SIXTEENTH * 2)
#define DOTTED_EIGHT (EIGHT + SIXTEENTH)
#define QUARTER (EIGHT * 2)
#define MUSIC_PIN 0x02
void music_init()
{
P1DIR |= MUSIC_PIN; // DATA line outputs from p1.0
}
static void start()
{
P2DIR &=~(0x02 | 0x04);
}
static void stop()
{
P2DIR |= (0x02 | 0x04);
}
void delay_ms(unsigned int ms)
{
unsigned int i;
for (i = 0; i <= ms; i++)
__delay_cycles(1000L*16L); // multiplied by 16 due to 16 MHz
}
void delay_us(unsigned int us)
{
unsigned int i;
for (i = 0; i<= us/2; i++)
__delay_cycles(1*16L); // multiplied by 16 due to 16 MHz
}
// Generates a square wave of desired frequency to generate sound
void beep(unsigned int note, unsigned int duration)
{
int i;
long delay = (long)((10000L*62L)/note); //This is the semiperiod of each note.
long time = (long)(((long)(duration)*100L*16L)/(delay*2)); //This is how much time we need to spend on the note.
for (i=0;i<time;i++)
{
P1OUT |= MUSIC_PIN; //Set P1.2...
delay_us(delay); //...for a semiperiod...
P1OUT &= ~MUSIC_PIN; //...then reset it...
delay_us(delay); //...for the other semiperiod.
}
delay_ms(20); //Add a little delay to separate the single notes
}
//This is the Imperial March code.
//As you can see, there are lots of beeps at different frequencies and durations, and some delays to separate the various bits of this wonderful song.
void playImperialMarch()
{
_BIC_SR(GIE);
start();
beep(a, 500);
beep(a, 500);
beep(a, 500);
beep(f, 350);
beep(cH, 150);
beep(a, 500);
beep(f, 350);
beep(cH, 150);
beep(a, 650);
delay_ms(150);
//end of first bit
beep(eH, 500);
beep(eH, 500);
beep(eH, 500);
beep(fH, 350);
beep(cH, 150);
beep(gS, 500);
beep(f, 350);
beep(cH, 150);
beep(a, 650);
delay_ms(150);
//end of second bit...
beep(aH, 500);
beep(a, 300);
beep(a, 150);
beep(aH, 400);
beep(gSH, 200);
beep(gH, 200);
beep(fSH, 125);
beep(fH, 125);
beep(fSH, 250);
delay_ms(250);
beep(aS, 250);
beep(dSH, 400);
beep(dH, 200);
beep(cSH, 200);
beep(cH, 125);
beep(b, 125);
beep(cH, 250);
delay_ms(250);
beep(f, 125);
beep(gS, 500);
beep(f, 375);
beep(a, 125);
beep(cH, 500);
beep(a, 375);
beep(cH, 125);
beep(eH, 650);
//end of third bit... (Though it doesn't play well)
//let's repeat it
beep(aH, 500);
beep(a, 300);
beep(a, 150);
beep(aH, 400);
beep(gSH, 200);
beep(gH, 200);
beep(fSH, 125);
beep(fH, 125);
beep(fSH, 250);
delay_ms(250);
beep(aS, 250);
beep(dSH, 400);
beep(dH, 200);
beep(cSH, 200);
beep(cH, 125);
beep(b, 125);
beep(cH, 250);
delay_ms(250);
beep(f, 250);
beep(gS, 500);
beep(f, 375);
beep(cH, 125);
beep(a, 500);
beep(f, 375);
beep(cH, 125);
beep(a, 650);
//end of the song
stop();
_BIS_SR(GIE);
}
void playMeglovania()
{
_BIC_SR(GIE);
start();
// https://pianoletternotes.blogspot.com/2017/10/megalovania-undertale-theme.html
// 1
beep(d4,SIXTEENTH);
beep(d4,SIXTEENTH);
beep(d5,EIGHT);
beep(a4,DOTTED_EIGHT);
beep(gSH4,EIGHT);
beep(g4,EIGHT);
beep(f4,EIGHT);
beep(d4,SIXTEENTH);
beep(f4,SIXTEENTH);
beep(g4,SIXTEENTH);
beep(c4,SIXTEENTH);
beep(c4,SIXTEENTH);
beep(d5,EIGHT);
beep(a4,DOTTED_EIGHT);
beep(gSH4, EIGHT);
beep(g4, EIGHT);
// 2
beep(f4, EIGHT);
beep(d4, SIXTEENTH);
beep(f, SIXTEENTH);
beep(g, SIXTEENTH);
beep(b3, SIXTEENTH);
beep(b3, SIXTEENTH);
beep(d5, EIGHT);
beep(a4, DOTTED_EIGHT);
beep(gSH4, EIGHT);
beep(g4, EIGHT);
beep(f4, EIGHT);
beep(d4, SIXTEENTH);
beep(f4, SIXTEENTH);
beep(g4, SIXTEENTH);
beep(aSH3, SIXTEENTH);
beep(aSH3, SIXTEENTH);
beep(d5, EIGHT);
// 3
beep(a4, DOTTED_EIGHT);
beep(gSH4, EIGHT);
beep(g4, EIGHT);
beep(f4, EIGHT);
beep(d4, SIXTEENTH);
beep(f4, SIXTEENTH);
beep(g4, SIXTEENTH);
beep(d4, SIXTEENTH);
beep(d4, SIXTEENTH);
beep(d5, EIGHT);
beep(a4, DOTTED_EIGHT);
beep(gSH4, EIGHT);
beep(g4, EIGHT);
beep(f4, EIGHT);
beep(d4, SIXTEENTH);
// 4
beep(f4, SIXTEENTH);
beep(g4, SIXTEENTH);
beep(c4, SIXTEENTH);
beep(c4, SIXTEENTH);
beep(d5, EIGHT);
beep(a4, DOTTED_EIGHT);
beep(gSH4, EIGHT);
beep(g4, EIGHT);
beep(f4, EIGHT);
beep(d4, SIXTEENTH);
beep(f4, SIXTEENTH);
beep(g4, SIXTEENTH);
beep(b3, SIXTEENTH);
beep(b3, SIXTEENTH);
beep(d5, EIGHT);
beep(a4, DOTTED_EIGHT);
beep(gSH4, EIGHT);
// 5
beep(g4, EIGHT);
beep(f4, EIGHT);
beep(d4, SIXTEENTH);
beep(f4, SIXTEENTH);
beep(g4, SIXTEENTH);
beep(aSH3, SIXTEENTH);
beep(aSH3, SIXTEENTH);
beep(d5, EIGHT);
beep(a4, DOTTED_EIGHT);
beep(gSH4, EIGHT);
beep(g4, EIGHT);
beep(f4, EIGHT);
beep(d4, SIXTEENTH);
beep(f4, SIXTEENTH);
beep(g4, SIXTEENTH);
beep(d4, SIXTEENTH);
beep(d4, SIXTEENTH);
// 6
beep(d5, EIGHT);
beep(a4, DOTTED_EIGHT);
beep(gSH4, EIGHT);
beep(g4, EIGHT);
beep(f4, EIGHT);
beep(d4, SIXTEENTH);
beep(f4, SIXTEENTH);
beep(g4, SIXTEENTH);
beep(c4, SIXTEENTH);
beep(c4, SIXTEENTH);
beep(d4, EIGHT);
beep(a4, DOTTED_EIGHT);
beep(gSH4, EIGHT);
beep(g4, EIGHT);
beep(f4, EIGHT);
// 7
beep(d4, SIXTEENTH);
beep(f4, SIXTEENTH);
beep(g4, SIXTEENTH);
beep(b3, SIXTEENTH);
beep(b3, SIXTEENTH);
beep(d5, EIGHT);
beep(a4, DOTTED_EIGHT);
beep(gSH4, EIGHT);
beep(g4, EIGHT);
beep(f4, EIGHT);
beep(d4, SIXTEENTH);
beep(f4, SIXTEENTH);
beep(g4, SIXTEENTH);
beep(aSH3, SIXTEENTH);
beep(aSH3, SIXTEENTH);
beep(d5, EIGHT);
beep(a4, DOTTED_EIGHT);
// 8
beep(gSH4, EIGHT);
beep(g4, EIGHT);
beep(f4, EIGHT);
beep(d4, SIXTEENTH);
beep(f4, SIXTEENTH);
beep(g4, SIXTEENTH);
beep(d4, SIXTEENTH);
beep(d4, SIXTEENTH);
beep(d5, EIGHT);
beep(a4, DOTTED_EIGHT);
beep(gSH4, EIGHT);
beep(g4, EIGHT);
beep(f4, EIGHT);
beep(d4, SIXTEENTH);
beep(f4, SIXTEENTH);
beep(g4, SIXTEENTH);
// 9
beep(c4, SIXTEENTH);
beep(c4, SIXTEENTH);
beep(d5, EIGHT);
beep(a4, DOTTED_EIGHT);
beep(gSH4, EIGHT);
beep(g4, EIGHT);
beep(f4, EIGHT);
beep(d4, SIXTEENTH);
beep(f4, SIXTEENTH);
beep(g4, SIXTEENTH);
beep(b3, SIXTEENTH);
beep(b3, SIXTEENTH);
beep(d5, EIGHT);
beep(gSH4, EIGHT);
beep(g4, EIGHT);
// 10
beep(f4, EIGHT);
beep(d4, SIXTEENTH);
beep(f4, SIXTEENTH);
beep(g4, SIXTEENTH);
beep(aSH3, SIXTEENTH);
beep(aSH3, SIXTEENTH);
beep(d5, EIGHT);
beep(a4, DOTTED_EIGHT);
beep(gSH4, EIGHT);
beep(g4, EIGHT);
beep(f4, EIGHT);
beep(d4, SIXTEENTH);
beep(f4, SIXTEENTH);
beep(g4, SIXTEENTH);
beep(f4, EIGHT);
beep(f4, SIXTEENTH);
beep(f4, EIGHT);
// 11
beep(f4, EIGHT);
beep(f4, EIGHT);
beep(d4, EIGHT);
beep(d4, QUARTER);
beep(d4, EIGHT);
beep(f4, SIXTEENTH);
beep(f4, SIXTEENTH);
beep(f4, SIXTEENTH);
beep(f4, EIGHT);
beep(g4, EIGHT);
beep(gSH4, EIGHT);
beep(g4, SIXTEENTH);
beep(f4, SIXTEENTH);
beep(d4, SIXTEENTH);
beep(f4, SIXTEENTH);
beep(g4, QUARTER);
// 12
beep(f4, EIGHT);
beep(f4, SIXTEENTH);
beep(f4, EIGHT);
beep(g4, EIGHT);
beep(gSH4, EIGHT);
beep(a4, EIGHT);
beep(c5, EIGHT);
beep(a4, QUARTER);
beep(d5, EIGHT);
beep(d5, EIGHT);
beep(d5, SIXTEENTH);
beep(a4, SIXTEENTH);
beep(d5, SIXTEENTH);
beep(c5, QUARTER*4);
stop();
_BIS_SR(GIE);
}
void playDubstepFart()
{
_BIC_SR(GIE);
start();
beep(16, QUARTER);
beep(32, QUARTER);
beep(23, QUARTER);
beep(40, QUARTER);
beep(23, EIGHT);
beep(16, EIGHT);
beep(50, QUARTER);
stop();
_BIS_SR(GIE);
}