diff intercom/gsm/gsm_impl.c @ 2:13be24d74cd2

import intercom-0.4.1
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Fri, 25 Jun 2010 09:57:52 +0200
parents
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/intercom/gsm/gsm_impl.c	Fri Jun 25 09:57:52 2010 +0200
@@ -0,0 +1,250 @@
+/*
+ * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
+ * Universitaet Berlin.  See the accompanying file "COPYRIGHT" for
+ * details.  THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
+ */
+
+/* $Header: /home/kbs/jutta/src/gsm/gsm-1.0/src/RCS/gsm_implode.c,v 1.1 1992/10/28 00:15:50 jutta Exp $ */
+
+#include "private.h"
+
+#include "gsm.h"
+#include "proto.h"
+
+void gsm_implode P3((s, source, c), gsm s, gsm_signal * source,
+  gsm_byte * c)
+{
+  /*      variable        size    index
+
+     GSM_MAGIC    4       -
+
+     LARc[0]              6       0
+     LARc[1]              6       1
+     LARc[2]              5       2
+     LARc[3]              5       3
+     LARc[4]              4       4
+     LARc[5]              4       5
+     LARc[6]              3       6
+     LARc[7]              3       7
+
+     Nc[0]                7       8
+     bc[0]                2       9
+     Mc[0]                2       10
+     xmaxc[0]     6       11
+     xmc[0]               3       12
+     xmc[1]               3       13
+     xmc[2]               3       14
+     xmc[3]               3       15
+     xmc[4]               3       16
+     xmc[5]               3       17
+     xmc[6]               3       18
+     xmc[7]               3       19
+     xmc[8]               3       20
+     xmc[9]               3       21
+     xmc[10]              3       22
+     xmc[11]              3       23
+     xmc[12]              3       24
+
+     Nc[1]                7       25
+     bc[1]                2       26
+     Mc[1]                2       27
+     xmaxc[1]     6       28
+     xmc[13]              3       29
+     xmc[14]              3       30
+     xmc[15]              3       31
+     xmc[16]              3       32
+     xmc[17]              3       33
+     xmc[18]              3       34
+     xmc[19]              3       35
+     xmc[20]              3       36
+     xmc[21]              3       37
+     xmc[22]              3       38
+     xmc[23]              3       39
+     xmc[24]              3       40
+     xmc[25]              3       41
+
+     Nc[2]                7       42
+     bc[2]                2       43
+     Mc[2]                2       44
+     xmaxc[2]     6       45
+     xmc[26]              3       46
+     xmc[27]              3       47
+     xmc[28]              3       48
+     xmc[29]              3       49
+     xmc[30]              3       50
+     xmc[31]              3       51
+     xmc[32]              3       52
+     xmc[33]              3       53
+     xmc[34]              3       54
+     xmc[35]              3       55
+     xmc[36]              3       56
+     xmc[37]              3       57
+     xmc[38]              3       58
+
+     Nc[3]                7       59
+     bc[3]                2       60
+     Mc[3]                2       61
+     xmaxc[3]     6       62
+     xmc[39]              3       63
+     xmc[40]              3       64
+     xmc[41]              3       65
+     xmc[42]              3       66
+     xmc[43]              3       67
+     xmc[44]              3       68
+     xmc[45]              3       69
+     xmc[46]              3       70
+     xmc[47]              3       71
+     xmc[48]              3       72
+     xmc[49]              3       73
+     xmc[50]              3       74
+     xmc[51]              3       75
+   */
+
+
+#define	LARc	source
+
+  *c++ = ((GSM_MAGIC & 0xF) << 4)       /* 1 */
+    |((LARc[0] >> 2) & 0xF);
+  *c++ = ((LARc[0] & 0x3) << 6)
+    | (LARc[1] & 0x3F);
+  *c++ = ((LARc[2] & 0x1F) << 3)
+    | ((LARc[3] >> 2) & 0x7);
+  *c++ = ((LARc[3] & 0x3) << 6)
+    | ((LARc[4] & 0xF) << 2)
+    | ((LARc[5] >> 2) & 0x3);
+  *c++ = ((LARc[5] & 0x3) << 6)
+    | ((LARc[6] & 0x7) << 3)
+    | (LARc[7] & 0x7);
+
+#define	Nc	(source + 8)
+
+  *c++ = ((Nc[0] & 0x7F) << 1)
+#define	bc	(source + 9)
+    | ((bc[0] >> 1) & 0x1);
+  *c++ = ((bc[0] & 0x1) << 7)
+#define	Mc	(source + 10)
+    | ((Mc[0] & 0x3) << 5)
+#define	xmaxc	(source + 11)
+    | ((xmaxc[0] >> 1) & 0x1F);
+  *c++ = ((xmaxc[0] & 0x1) << 7)
+#define	xmc	(source + 12)
+    | ((xmc[0] & 0x7) << 4)
+    | ((xmc[1] & 0x7) << 1)
+    | ((xmc[2] >> 2) & 0x1);
+  *c++ = ((xmc[2] & 0x3) << 6)
+    | ((xmc[3] & 0x7) << 3)
+    | (xmc[4] & 0x7);
+  *c++ = ((xmc[5] & 0x7) << 5)  /* 10 */
+    |((xmc[6] & 0x7) << 2)
+    | ((xmc[7] >> 1) & 0x3);
+  *c++ = ((xmc[7] & 0x1) << 7)
+    | ((xmc[8] & 0x7) << 4)
+    | ((xmc[9] & 0x7) << 1)
+    | ((xmc[10] >> 2) & 0x1);
+  *c++ = ((xmc[10] & 0x3) << 6)
+    | ((xmc[11] & 0x7) << 3)
+    | (xmc[12] & 0x7);
+
+#undef	Nc
+#define	Nc	(source + 25 - 1)
+
+  *c++ = ((Nc[1] & 0x7F) << 1)
+#undef	bc
+#define	bc	(source + 26 - 1)
+    | ((bc[1] >> 1) & 0x1);
+  *c++ = ((bc[1] & 0x1) << 7)
+#undef	Mc
+#define	Mc	(source + 27 - 1)
+    | ((Mc[1] & 0x3) << 5)
+#undef 	xmaxc
+#define	xmaxc	(source + 28 - 1)
+    | ((xmaxc[1] >> 1) & 0x1F);
+  *c++ = ((xmaxc[1] & 0x1) << 7)
+#undef	xmc
+#define	xmc	(source + 29 - 13)
+    | ((xmc[13] & 0x7) << 4)
+    | ((xmc[14] & 0x7) << 1)
+    | ((xmc[15] >> 2) & 0x1);
+  *c++ = ((xmc[15] & 0x3) << 6)
+    | ((xmc[16] & 0x7) << 3)
+    | (xmc[17] & 0x7);
+  *c++ = ((xmc[18] & 0x7) << 5)
+    | ((xmc[19] & 0x7) << 2)
+    | ((xmc[20] >> 1) & 0x3);
+  *c++ = ((xmc[20] & 0x1) << 7)
+    | ((xmc[21] & 0x7) << 4)
+    | ((xmc[22] & 0x7) << 1)
+    | ((xmc[23] >> 2) & 0x1);
+  *c++ = ((xmc[23] & 0x3) << 6)
+    | ((xmc[24] & 0x7) << 3)
+    | (xmc[25] & 0x7);
+
+#undef	Nc
+#define	Nc	(source + 42 - 2)
+
+  *c++ = ((Nc[2] & 0x7F) << 1)
+    /* 20 */
+#undef	bc
+#define	bc	(source + 43 - 2)
+    | ((bc[2] >> 1) & 0x1);
+  *c++ = ((bc[2] & 0x1) << 7)
+#undef	Mc
+#define	Mc	(source + 44 - 2)
+    | ((Mc[2] & 0x3) << 5)
+#undef	xmaxc
+#define	xmaxc	(source + 45 - 2)
+    | ((xmaxc[2] >> 1) & 0x1F);
+  *c++ = ((xmaxc[2] & 0x1) << 7)
+#undef	xmc
+#define	xmc	(source + 46 - 26)
+    | ((xmc[26] & 0x7) << 4)
+    | ((xmc[27] & 0x7) << 1)
+    | ((xmc[28] >> 2) & 0x1);
+  *c++ = ((xmc[28] & 0x3) << 6)
+    | ((xmc[29] & 0x7) << 3)
+    | (xmc[30] & 0x7);
+  *c++ = ((xmc[31] & 0x7) << 5)
+    | ((xmc[32] & 0x7) << 2)
+    | ((xmc[33] >> 1) & 0x3);
+  *c++ = ((xmc[33] & 0x1) << 7)
+    | ((xmc[34] & 0x7) << 4)
+    | ((xmc[35] & 0x7) << 1)
+    | ((xmc[36] >> 2) & 0x1);
+  *c++ = ((xmc[36] & 0x3) << 6)
+    | ((xmc[37] & 0x7) << 3)
+    | (xmc[38] & 0x7);
+
+#undef	Nc
+#define	Nc	(source + 59 - 3)
+
+  *c++ = ((Nc[3] & 0x7F) << 1)
+#undef	bc
+#define	bc	(source + 60 - 3)
+    | ((bc[3] >> 1) & 0x1);
+  *c++ = ((bc[3] & 0x1) << 7)
+#undef	Mc
+#define	Mc	(source + 61 - 3)
+    | ((Mc[3] & 0x3) << 5)
+#undef	xmaxc
+#define	xmaxc	(source + 62 - 3)
+    | ((xmaxc[3] >> 1) & 0x1F);
+  *c++ = ((xmaxc[3] & 0x1) << 7)
+#undef	xmc
+#define	xmc	(source + 63 - 39)
+    | ((xmc[39] & 0x7) << 4)
+    | ((xmc[40] & 0x7) << 1)
+    | ((xmc[41] >> 2) & 0x1);
+  *c++ = ((xmc[41] & 0x3) << 6) /* 30 */
+    |((xmc[42] & 0x7) << 3)
+    | (xmc[43] & 0x7);
+  *c++ = ((xmc[44] & 0x7) << 5)
+    | ((xmc[45] & 0x7) << 2)
+    | ((xmc[46] >> 1) & 0x3);
+  *c++ = ((xmc[46] & 0x1) << 7)
+    | ((xmc[47] & 0x7) << 4)
+    | ((xmc[48] & 0x7) << 1)
+    | ((xmc[49] >> 2) & 0x1);
+  *c++ = ((xmc[49] & 0x3) << 6)
+    | ((xmc[50] & 0x7) << 3)
+    | (xmc[51] & 0x7);
+}

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