Subversion Repositories freemyipod

Rev

Rev 715 | Rev 717 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 715 Rev 716
Line 22... Line 22...
22 
 
 22 
 
23 
 
 23 
 
24 
#include "emcoreapp.h"
 24 
#include "emcoreapp.h"
25 
#include "beep.h"
 25 
#include "beep.h"
26 
 
 26 
 
- 
 
 27 
struct note
- 
 
 28 
{
27 
void playsong(void *buf, size_t size);
 29 
    unsigned int cycles;
- 
 
 30 
    unsigned int length;
- 
 
 31 
};
28 
 
 32 
 
29 
static void main()
 33 
static void main()
30 
{
 34 
{
31 
    if (0x47324e49 != get_platform_id()) // IN2G
 35 
    if (0x47324e49 != get_platform_id()) // IN2G
32 
    {
 36 
    {
Line 34... Line 38...
34 
        return;
 38 
        return;
35 
    }
 39 
    }
36
40
37 
    size_t size;
 41 
    size_t size;
38 
    int fd;
 42 
    int fd;
39 
    void *buf;
 43 
    struct note *buf;
40 
    unsigned char play;
 44 
    unsigned int i, count;
41 
 
 45 
 
42 
    play = 0;
 - 
 
43 
    fd = file_open("/song.dat", O_RDONLY);
 46 
    fd = file_open("/song.dat", O_RDONLY);
44
47
45 
    if (fd <= 0)
 48 
    if (fd <= 0)
46 
    {
 49 
    {
47 
        cputs(3, "Unable to open /song.dat!\n");
 50 
        cputs(3, "Unable to open /song.dat!\n");
Line 49... Line 52...
49 
    }
 52 
    }
50
53
51 
    cputs(3, "File opened\n");
 54 
    cputs(3, "File opened\n");
52 
    size = filesize(fd);
 55 
    size = filesize(fd);
53
56
54 
    if (size <= 0)
 57 
    if (0 == size)
55 
    {
 58 
    {
56 
        close(fd);
 59 
        close(fd);
57 
        cputs(3, "Unable to get file size or file is empty!\n");
 60 
        cputs(3, "Unable to get file size or file is empty!\n");
58 
        return;
 61 
        return;
59 
    }
 62 
    }
Line 66... Line 69...
66 
        cputs(3, "Invalid file, unable to continue!\n");
 69 
        cputs(3, "Invalid file, unable to continue!\n");
67 
        return;
 70 
        return;
68 
    }
 71 
    }
69
72
70 
    buf = memalign(0x10, size);
 73 
    buf = memalign(0x10, size);
71
74
72 
    if (!buf)
 75 
    if (!buf)
73 
    {
 76 
    {
74 
        close(fd);
 77 
        close(fd);
75 
        cputs(3, "Memory allocation failed!\n");
 78 
        cputs(3, "Memory allocation failed!\n");
76 
        return;
 79 
        return;
Line 85... Line 88...
85 
    }
 88 
    }
86
89
87 
    cputs(3, "Read successful\n");
 90 
    cputs(3, "Read successful\n");
88 
    close(fd);
 91 
    close(fd);
89 
    cputs(3, "File closed\n");
 92 
    cputs(3, "File closed\n");
90 
    playsong(buf, size);
 - 
 
91 
    free(buf);
 - 
 
92 
}
 - 
 
93 
 
 - 
 
94 
void playsong(void *buf, size_t size) {
 - 
 
95 
    int i;
 - 
 
96 
    unsigned int *cycles, *lengths, count;
 - 
 
97
93
98 
    count = size / 8;
 94 
    count = size / 8;
99 
    cycles = malloc(count * sizeof(unsigned int));
 - 
 
100 
    lengths = malloc(count * sizeof(unsigned int));
 - 
 
101
95
102 
    for (i = 0; i < count; ++i)
 96 
    for (i = 0; i < count; ++i)
103 
    {
 97 
    {
104 
        cycles[i] = *((unsigned int *)(buf) + i + i);
 - 
 
105 
        lengths[i] = *((unsigned int *)(buf) + i + i + 1);
 - 
 
106 
    }
 - 
 
107
- 
 
108 
    for (i = 0; i < count; ++i)
 - 
 
109 
    {
 - 
 
110 
        if (0 == cycles[i])
 98 
        if (0 == buf[i].length)
111 
        {
 99 
        {
112 
            sleep(lengths[i]);
 100 
            sleep(buf[i].length);
113 
            continue;
 101 
            continue;
114 
        }
 102 
        }
115
103
116 
        singlebeep(cycles[i], lengths[i]);
 104 
        singlebeep(buf[i].cycles, buf[i].length);
117 
    }
 105 
    }
118
106
119 
    free(lengths);
 - 
 
120 
    free(cycles);
 107 
    free(buf);
121 
}
 108 
}
122 
 
 109 
 
123 
EMCORE_APP_HEADER("Beeper", main, 127)
 110 
EMCORE_APP_HEADER("Beeper", main, 127)