1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/*
* floppyMusic.c
*
* Created: 29.04.2017 16:59:57
* Author : Jonas
*/
#define c 130
#define d 147
#define e 165
#define f 175
#define g 195
#define gS 208
#define a 220
#define aS 228
#define b 233
#define cH 261
#define cSH 277
#define dH 294
#define dSH 311
#define eH 330
#define fH 349
#define fSH 370
#define gH 390
#define gSH 415
#define aH 440
#define _GET_UBBR(BAUD) ( (F_CPU / 16 * BAUD) - 1)
#ifndef F_CPU
#define F_CPU 16000000UL //CPU Running at 16MHz
#endif
#include <avr/io.h>
#include "floppy.h"
void imperial_march();
void beep(int _f, unsigned int _t);
void delay_ms(unsigned int ms );
int main(void)
{
floppy_setup(&PORTC, &DDRC, &PORTB, &DDRB);
floppy_set_frequency(0, 0);
floppy_set_frequency(1, 0);
DDRD = 0xff;
while (1)
{
play_imperial_march();
_delay_ms(2000);
}
}
void delay_ms(unsigned int ms )
{
unsigned int i;
for (i = 0; i<= ms; i++)
_delay_ms(1);
}
void play_imperial_march()
{
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
}
void beep(int _f, unsigned int _t)
{
PORTD = ~ floppy_calc_freq(_f / 3);
floppy_set_frequency(0, floppy_calc_freq(_f / 3));
floppy_set_frequency(1, floppy_calc_freq(_f / 3));
delay_ms(_t);
PORTD = 0xff;
floppy_set_frequency(0, 0);
floppy_set_frequency(1, 0);
_delay_ms(10);
}
|