Asterisk - The Open Source Telephony Project  18.5.0
gsm_print.c
Go to the documentation of this file.
1 /*
2  * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
3  * Universitaet Berlin. See the accompanying file "COPYRIGHT" for
4  * details. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
5  */
6 
7 /* $Header$ */
8 
9 #include <stdio.h>
10 
11 #include "private.h"
12 
13 #include "gsm.h"
14 #include "proto.h"
15 
16 int gsm_print P3((f, s, c), FILE * f, gsm s, gsm_byte * c)
17 {
18  word LARc[8], Nc[4], Mc[4], bc[4], xmaxc[4], xmc[13*4];
19 
20  /* GSM_MAGIC = (*c >> 4) & 0xF; */
21 
22  if (((*c >> 4) & 0x0F) != GSM_MAGIC) return -1;
23 
24  LARc[0] = (*c++ & 0xF) << 2; /* 1 */
25  LARc[0] |= (*c >> 6) & 0x3;
26  LARc[1] = *c++ & 0x3F;
27  LARc[2] = (*c >> 3) & 0x1F;
28  LARc[3] = (*c++ & 0x7) << 2;
29  LARc[3] |= (*c >> 6) & 0x3;
30  LARc[4] = (*c >> 2) & 0xF;
31  LARc[5] = (*c++ & 0x3) << 2;
32  LARc[5] |= (*c >> 6) & 0x3;
33  LARc[6] = (*c >> 3) & 0x7;
34  LARc[7] = *c++ & 0x7;
35 
36 
37  Nc[0] = (*c >> 1) & 0x7F;
38  bc[0] = (*c++ & 0x1) << 1;
39  bc[0] |= (*c >> 7) & 0x1;
40  Mc[0] = (*c >> 5) & 0x3;
41  xmaxc[0] = (*c++ & 0x1F) << 1;
42  xmaxc[0] |= (*c >> 7) & 0x1;
43  xmc[0] = (*c >> 4) & 0x7;
44  xmc[1] = (*c >> 1) & 0x7;
45  xmc[2] = (*c++ & 0x1) << 2;
46  xmc[2] |= (*c >> 6) & 0x3;
47  xmc[3] = (*c >> 3) & 0x7;
48  xmc[4] = *c++ & 0x7;
49  xmc[5] = (*c >> 5) & 0x7;
50  xmc[6] = (*c >> 2) & 0x7;
51  xmc[7] = (*c++ & 0x3) << 1; /* 10 */
52  xmc[7] |= (*c >> 7) & 0x1;
53  xmc[8] = (*c >> 4) & 0x7;
54  xmc[9] = (*c >> 1) & 0x7;
55  xmc[10] = (*c++ & 0x1) << 2;
56  xmc[10] |= (*c >> 6) & 0x3;
57  xmc[11] = (*c >> 3) & 0x7;
58  xmc[12] = *c++ & 0x7;
59 
60  Nc[1] = (*c >> 1) & 0x7F;
61  bc[1] = (*c++ & 0x1) << 1;
62  bc[1] |= (*c >> 7) & 0x1;
63  Mc[1] = (*c >> 5) & 0x3;
64  xmaxc[1] = (*c++ & 0x1F) << 1;
65  xmaxc[1] |= (*c >> 7) & 0x1;
66  xmc[13] = (*c >> 4) & 0x7;
67  xmc[14] = (*c >> 1) & 0x7;
68  xmc[15] = (*c++ & 0x1) << 2;
69  xmc[15] |= (*c >> 6) & 0x3;
70  xmc[16] = (*c >> 3) & 0x7;
71  xmc[17] = *c++ & 0x7;
72  xmc[18] = (*c >> 5) & 0x7;
73  xmc[19] = (*c >> 2) & 0x7;
74  xmc[20] = (*c++ & 0x3) << 1;
75  xmc[20] |= (*c >> 7) & 0x1;
76  xmc[21] = (*c >> 4) & 0x7;
77  xmc[22] = (*c >> 1) & 0x7;
78  xmc[23] = (*c++ & 0x1) << 2;
79  xmc[23] |= (*c >> 6) & 0x3;
80  xmc[24] = (*c >> 3) & 0x7;
81  xmc[25] = *c++ & 0x7;
82 
83 
84  Nc[2] = (*c >> 1) & 0x7F;
85  bc[2] = (*c++ & 0x1) << 1; /* 20 */
86  bc[2] |= (*c >> 7) & 0x1;
87  Mc[2] = (*c >> 5) & 0x3;
88  xmaxc[2] = (*c++ & 0x1F) << 1;
89  xmaxc[2] |= (*c >> 7) & 0x1;
90  xmc[26] = (*c >> 4) & 0x7;
91  xmc[27] = (*c >> 1) & 0x7;
92  xmc[28] = (*c++ & 0x1) << 2;
93  xmc[28] |= (*c >> 6) & 0x3;
94  xmc[29] = (*c >> 3) & 0x7;
95  xmc[30] = *c++ & 0x7;
96  xmc[31] = (*c >> 5) & 0x7;
97  xmc[32] = (*c >> 2) & 0x7;
98  xmc[33] = (*c++ & 0x3) << 1;
99  xmc[33] |= (*c >> 7) & 0x1;
100  xmc[34] = (*c >> 4) & 0x7;
101  xmc[35] = (*c >> 1) & 0x7;
102  xmc[36] = (*c++ & 0x1) << 2;
103  xmc[36] |= (*c >> 6) & 0x3;
104  xmc[37] = (*c >> 3) & 0x7;
105  xmc[38] = *c++ & 0x7;
106 
107  Nc[3] = (*c >> 1) & 0x7F;
108  bc[3] = (*c++ & 0x1) << 1;
109  bc[3] |= (*c >> 7) & 0x1;
110  Mc[3] = (*c >> 5) & 0x3;
111  xmaxc[3] = (*c++ & 0x1F) << 1;
112  xmaxc[3] |= (*c >> 7) & 0x1;
113 
114  xmc[39] = (*c >> 4) & 0x7;
115  xmc[40] = (*c >> 1) & 0x7;
116  xmc[41] = (*c++ & 0x1) << 2;
117  xmc[41] |= (*c >> 6) & 0x3;
118  xmc[42] = (*c >> 3) & 0x7;
119  xmc[43] = *c++ & 0x7; /* 30 */
120  xmc[44] = (*c >> 5) & 0x7;
121  xmc[45] = (*c >> 2) & 0x7;
122  xmc[46] = (*c++ & 0x3) << 1;
123  xmc[46] |= (*c >> 7) & 0x1;
124  xmc[47] = (*c >> 4) & 0x7;
125  xmc[48] = (*c >> 1) & 0x7;
126  xmc[49] = (*c++ & 0x1) << 2;
127  xmc[49] |= (*c >> 6) & 0x3;
128  xmc[50] = (*c >> 3) & 0x7;
129  xmc[51] = *c & 0x7; /* 33 */
130 
131  fprintf(f,
132  "LARc:\t%2.2d %2.2d %2.2d %2.2d %2.2d %2.2d %2.2d %2.2d\n",
133  LARc[0],LARc[1],LARc[2],LARc[3],LARc[4],LARc[5],LARc[6],LARc[7]);
134 
135  fprintf(f, "#1: Nc %4.4d bc %d Mc %d xmaxc %d\n",
136  Nc[0], bc[0], Mc[0], xmaxc[0]);
137  fprintf(f,
138 "\t%.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d\n",
139  xmc[0],xmc[1],xmc[2],xmc[3],xmc[4],xmc[5],xmc[6],
140  xmc[7],xmc[8],xmc[9],xmc[10],xmc[11],xmc[12] );
141 
142  fprintf(f, "#2: Nc %4.4d bc %d Mc %d xmaxc %d\n",
143  Nc[1], bc[1], Mc[1], xmaxc[1]);
144  fprintf(f,
145 "\t%.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d\n",
146  xmc[13+0],xmc[13+1],xmc[13+2],xmc[13+3],xmc[13+4],xmc[13+5],
147  xmc[13+6], xmc[13+7],xmc[13+8],xmc[13+9],xmc[13+10],xmc[13+11],
148  xmc[13+12] );
149 
150  fprintf(f, "#3: Nc %4.4d bc %d Mc %d xmaxc %d\n",
151  Nc[2], bc[2], Mc[2], xmaxc[2]);
152  fprintf(f,
153 "\t%.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d\n",
154  xmc[26+0],xmc[26+1],xmc[26+2],xmc[26+3],xmc[26+4],xmc[26+5],
155  xmc[26+6], xmc[26+7],xmc[26+8],xmc[26+9],xmc[26+10],xmc[26+11],
156  xmc[26+12] );
157 
158  fprintf(f, "#4: Nc %4.4d bc %d Mc %d xmaxc %d\n",
159  Nc[3], bc[3], Mc[3], xmaxc[3]);
160  fprintf(f,
161 "\t%.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d\n",
162  xmc[39+0],xmc[39+1],xmc[39+2],xmc[39+3],xmc[39+4],xmc[39+5],
163  xmc[39+6], xmc[39+7],xmc[39+8],xmc[39+9],xmc[39+10],xmc[39+11],
164  xmc[39+12] );
165 
166  return 0;
167 }
P3
int gsm_print P3((f, s, c), FILE *f, gsm s, gsm_byte *c)
Definition: gsm_print.c:16
bc
#define bc
Mc
#define Mc
xmc
#define xmc
gsm_byte
unsigned char gsm_byte
Definition: gsm.h:41
c
static struct test_val c
Definition: test_linkedlists.c:48
GSM_MAGIC
#define GSM_MAGIC
Definition: gsm.h:44
xmaxc
#define xmaxc
Nc
#define Nc
gsm_state
Definition: codecs/gsm/inc/private.h:18
LARc
#define LARc
word
short word
Definition: codecs/gsm/inc/private.h:12
Generated on Sun Aug 8 2021 19:43:47 for Asterisk - The Open Source Telephony Project by   doxygen 1.8.13