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
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int msPer;
int playNote(char i)
{
int freq;
switch(i)
{
case '0':
freq = 247;
break;
case '1':
freq = 262;
break;
case '2':
freq = 294;
break;
case '3':
freq = 330;
break;
case '4':
freq = 349;
break;
case '5':
freq = 392;
break;
case '6':
freq = 440;
break;
case '7':
freq = 494;
break;
case '8':
freq = 523;
break;
case '9':
freq = 587;
break;
default:
return 0;
break;
}
char* command = malloc(256);
sprintf(command, "beep -f %d -l %d", freq, msPer);
int retval = system(command);
free(command);
return retval;
}
int eq(char* b1, char* b2)
{
int i;
if (strlen(b1) != strlen(b2))
return 0;
for (i = 0; i < strlen(b1); i++)
if (b1[i] != b2[i])
return 0;
return 1;
}
int main(int argc, char** argv)
{
msPer = 200;
if (argc > 1)
{
if (eq(argv[1], "--help"))
{
printf("Usage: beepi <length per note in ms>\n");
return 0;
}
msPer = atoi(argv[1]);
}
FILE* fp;
fp = fopen("pi.txt", "r");
int sz;
fseek(fp, 0L, SEEK_END);
sz = ftell(fp);
fseek(fp, 0L, SEEK_SET);
char* buffer = malloc(100000);
fread(buffer, sz, 1, fp);
fclose(fp);
int i;
for (i = 0; i < strlen(buffer); i++)
if (playNote(buffer[i]))
return 0;
}
|
