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URL https://opencores.org/ocsvn/or1k_soc_on_altera_embedded_dev_kit/or1k_soc_on_altera_embedded_dev_kit/trunk

Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

[/] [or1k_soc_on_altera_embedded_dev_kit/] [tags/] [linux-2.6/] [linux-2.6.24_or32_unified_v2.3/] [sound/] [aoa/] [codecs/] [snd-aoa-codec-tas-gain-table.h] - Blame information for rev 8

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Line No. Rev Author Line
1 3 xianfeng
/*
2
 This is the program used to generate below table.
3
 
4
#include <stdio.h>
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#include <math.h>
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int main() {
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  int dB2;
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  printf("/" "* This file is only included exactly once!\n");
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  printf(" *\n");
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  printf(" * If they'd only tell us that generating this table was\n");
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  printf(" * as easy as calculating\n");
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  printf(" *      hwvalue = 1048576.0*exp(0.057564628*dB*2)\n");
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  printf(" * :) *" "/\n");
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  printf("static int tas_gaintable[] = {\n");
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  printf("      0x000000, /" "* -infinity dB *" "/\n");
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  for (dB2=-140;dB2<=36;dB2++)
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    printf("    0x%.6x, /" "* %-02.1f dB *" "/\n", (int)(1048576.0*exp(0.057564628*dB2)), dB2/2.0);
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  printf("};\n\n");
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}
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*/
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/* This file is only included exactly once!
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 *
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 * If they'd only tell us that generating this table was
26
 * as easy as calculating
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 *      hwvalue = 1048576.0*exp(0.057564628*dB*2)
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 * :) */
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static int tas_gaintable[] = {
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        0x000000, /* -infinity dB */
31
        0x00014b, /* -70.0 dB */
32
        0x00015f, /* -69.5 dB */
33
        0x000174, /* -69.0 dB */
34
        0x00018a, /* -68.5 dB */
35
        0x0001a1, /* -68.0 dB */
36
        0x0001ba, /* -67.5 dB */
37
        0x0001d4, /* -67.0 dB */
38
        0x0001f0, /* -66.5 dB */
39
        0x00020d, /* -66.0 dB */
40
        0x00022c, /* -65.5 dB */
41
        0x00024d, /* -65.0 dB */
42
        0x000270, /* -64.5 dB */
43
        0x000295, /* -64.0 dB */
44
        0x0002bc, /* -63.5 dB */
45
        0x0002e6, /* -63.0 dB */
46
        0x000312, /* -62.5 dB */
47
        0x000340, /* -62.0 dB */
48
        0x000372, /* -61.5 dB */
49
        0x0003a6, /* -61.0 dB */
50
        0x0003dd, /* -60.5 dB */
51
        0x000418, /* -60.0 dB */
52
        0x000456, /* -59.5 dB */
53
        0x000498, /* -59.0 dB */
54
        0x0004de, /* -58.5 dB */
55
        0x000528, /* -58.0 dB */
56
        0x000576, /* -57.5 dB */
57
        0x0005c9, /* -57.0 dB */
58
        0x000620, /* -56.5 dB */
59
        0x00067d, /* -56.0 dB */
60
        0x0006e0, /* -55.5 dB */
61
        0x000748, /* -55.0 dB */
62
        0x0007b7, /* -54.5 dB */
63
        0x00082c, /* -54.0 dB */
64
        0x0008a8, /* -53.5 dB */
65
        0x00092b, /* -53.0 dB */
66
        0x0009b6, /* -52.5 dB */
67
        0x000a49, /* -52.0 dB */
68
        0x000ae5, /* -51.5 dB */
69
        0x000b8b, /* -51.0 dB */
70
        0x000c3a, /* -50.5 dB */
71
        0x000cf3, /* -50.0 dB */
72
        0x000db8, /* -49.5 dB */
73
        0x000e88, /* -49.0 dB */
74
        0x000f64, /* -48.5 dB */
75
        0x00104e, /* -48.0 dB */
76
        0x001145, /* -47.5 dB */
77
        0x00124b, /* -47.0 dB */
78
        0x001361, /* -46.5 dB */
79
        0x001487, /* -46.0 dB */
80
        0x0015be, /* -45.5 dB */
81
        0x001708, /* -45.0 dB */
82
        0x001865, /* -44.5 dB */
83
        0x0019d8, /* -44.0 dB */
84
        0x001b60, /* -43.5 dB */
85
        0x001cff, /* -43.0 dB */
86
        0x001eb7, /* -42.5 dB */
87
        0x002089, /* -42.0 dB */
88
        0x002276, /* -41.5 dB */
89
        0x002481, /* -41.0 dB */
90
        0x0026ab, /* -40.5 dB */
91
        0x0028f5, /* -40.0 dB */
92
        0x002b63, /* -39.5 dB */
93
        0x002df5, /* -39.0 dB */
94
        0x0030ae, /* -38.5 dB */
95
        0x003390, /* -38.0 dB */
96
        0x00369e, /* -37.5 dB */
97
        0x0039db, /* -37.0 dB */
98
        0x003d49, /* -36.5 dB */
99
        0x0040ea, /* -36.0 dB */
100
        0x0044c3, /* -35.5 dB */
101
        0x0048d6, /* -35.0 dB */
102
        0x004d27, /* -34.5 dB */
103
        0x0051b9, /* -34.0 dB */
104
        0x005691, /* -33.5 dB */
105
        0x005bb2, /* -33.0 dB */
106
        0x006121, /* -32.5 dB */
107
        0x0066e3, /* -32.0 dB */
108
        0x006cfb, /* -31.5 dB */
109
        0x007370, /* -31.0 dB */
110
        0x007a48, /* -30.5 dB */
111
        0x008186, /* -30.0 dB */
112
        0x008933, /* -29.5 dB */
113
        0x009154, /* -29.0 dB */
114
        0x0099f1, /* -28.5 dB */
115
        0x00a310, /* -28.0 dB */
116
        0x00acba, /* -27.5 dB */
117
        0x00b6f6, /* -27.0 dB */
118
        0x00c1cd, /* -26.5 dB */
119
        0x00cd49, /* -26.0 dB */
120
        0x00d973, /* -25.5 dB */
121
        0x00e655, /* -25.0 dB */
122
        0x00f3fb, /* -24.5 dB */
123
        0x010270, /* -24.0 dB */
124
        0x0111c0, /* -23.5 dB */
125
        0x0121f9, /* -23.0 dB */
126
        0x013328, /* -22.5 dB */
127
        0x01455b, /* -22.0 dB */
128
        0x0158a2, /* -21.5 dB */
129
        0x016d0e, /* -21.0 dB */
130
        0x0182af, /* -20.5 dB */
131
        0x019999, /* -20.0 dB */
132
        0x01b1de, /* -19.5 dB */
133
        0x01cb94, /* -19.0 dB */
134
        0x01e6cf, /* -18.5 dB */
135
        0x0203a7, /* -18.0 dB */
136
        0x022235, /* -17.5 dB */
137
        0x024293, /* -17.0 dB */
138
        0x0264db, /* -16.5 dB */
139
        0x02892c, /* -16.0 dB */
140
        0x02afa3, /* -15.5 dB */
141
        0x02d862, /* -15.0 dB */
142
        0x03038a, /* -14.5 dB */
143
        0x033142, /* -14.0 dB */
144
        0x0361af, /* -13.5 dB */
145
        0x0394fa, /* -13.0 dB */
146
        0x03cb50, /* -12.5 dB */
147
        0x0404de, /* -12.0 dB */
148
        0x0441d5, /* -11.5 dB */
149
        0x048268, /* -11.0 dB */
150
        0x04c6d0, /* -10.5 dB */
151
        0x050f44, /* -10.0 dB */
152
        0x055c04, /* -9.5 dB */
153
        0x05ad50, /* -9.0 dB */
154
        0x06036e, /* -8.5 dB */
155
        0x065ea5, /* -8.0 dB */
156
        0x06bf44, /* -7.5 dB */
157
        0x07259d, /* -7.0 dB */
158
        0x079207, /* -6.5 dB */
159
        0x0804dc, /* -6.0 dB */
160
        0x087e80, /* -5.5 dB */
161
        0x08ff59, /* -5.0 dB */
162
        0x0987d5, /* -4.5 dB */
163
        0x0a1866, /* -4.0 dB */
164
        0x0ab189, /* -3.5 dB */
165
        0x0b53be, /* -3.0 dB */
166
        0x0bff91, /* -2.5 dB */
167
        0x0cb591, /* -2.0 dB */
168
        0x0d765a, /* -1.5 dB */
169
        0x0e4290, /* -1.0 dB */
170
        0x0f1adf, /* -0.5 dB */
171
        0x100000, /* 0.0 dB */
172
        0x10f2b4, /* 0.5 dB */
173
        0x11f3c9, /* 1.0 dB */
174
        0x13041a, /* 1.5 dB */
175
        0x14248e, /* 2.0 dB */
176
        0x15561a, /* 2.5 dB */
177
        0x1699c0, /* 3.0 dB */
178
        0x17f094, /* 3.5 dB */
179
        0x195bb8, /* 4.0 dB */
180
        0x1adc61, /* 4.5 dB */
181
        0x1c73d5, /* 5.0 dB */
182
        0x1e236d, /* 5.5 dB */
183
        0x1fec98, /* 6.0 dB */
184
        0x21d0d9, /* 6.5 dB */
185
        0x23d1cd, /* 7.0 dB */
186
        0x25f125, /* 7.5 dB */
187
        0x2830af, /* 8.0 dB */
188
        0x2a9254, /* 8.5 dB */
189
        0x2d1818, /* 9.0 dB */
190
        0x2fc420, /* 9.5 dB */
191
        0x3298b0, /* 10.0 dB */
192
        0x35982f, /* 10.5 dB */
193
        0x38c528, /* 11.0 dB */
194
        0x3c224c, /* 11.5 dB */
195
        0x3fb278, /* 12.0 dB */
196
        0x4378b0, /* 12.5 dB */
197
        0x477829, /* 13.0 dB */
198
        0x4bb446, /* 13.5 dB */
199
        0x5030a1, /* 14.0 dB */
200
        0x54f106, /* 14.5 dB */
201
        0x59f980, /* 15.0 dB */
202
        0x5f4e52, /* 15.5 dB */
203
        0x64f403, /* 16.0 dB */
204
        0x6aef5e, /* 16.5 dB */
205
        0x714575, /* 17.0 dB */
206
        0x77fbaa, /* 17.5 dB */
207
        0x7f17af, /* 18.0 dB */
208
};
209
 

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