gsm_prin.c

IP网络语音通讯软件源代码. 不可多得的语音源代码

/*
 * 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: n:\\development/speak_freely/GSM/GSM_PRIN.C,v 1.1.1.1 1998/10/15 00:47:39 Administrator Exp $ */

#include		<stdio.h>

#include "private.h"

#include "gsm.h"
#include "proto.h"

int gsm_print P3((f, s, c), FILE * f, gsm s, gsm_byte * c)
{
		word	LARc[8], Nc[4], Mc[4], bc[4], xmaxc[4], xmc[13*4];

		/* GSM_MAGIC  = (*c >> 4) & 0xF; */

		if (((*c >> 4) & 0x0F) != GSM_MAGIC) return -1;

		LARc[0]  = (*c++ & 0xF) << 2;			/* 1 */
		LARc[0] |= (*c >> 6) & 0x3;
		LARc[1]  = *c++ & 0x3F;
		LARc[2]  = (*c >> 3) & 0x1F;
		LARc[3]  = (*c++ & 0x7) << 2;
		LARc[3] |= (*c >> 6) & 0x3;
		LARc[4]  = (*c >> 2) & 0xF;
		LARc[5]  = (*c++ & 0x3) << 2;
		LARc[5] |= (*c >> 6) & 0x3;
		LARc[6]  = (*c >> 3) & 0x7;
		LARc[7]  = *c++ & 0x7;


		Nc[0]  = (*c >> 1) & 0x7F;
		bc[0]  = (*c++ & 0x1) << 1;
		bc[0] |= (*c >> 7) & 0x1;
		Mc[0]  = (*c >> 5) & 0x3;
		xmaxc[0]  = (*c++ & 0x1F) << 1;
		xmaxc[0] |= (*c >> 7) & 0x1;
		xmc[0]	= (*c >> 4) & 0x7;
		xmc[1]	= (*c >> 1) & 0x7;
		xmc[2]	= (*c++ & 0x1) << 2;
		xmc[2] |= (*c >> 6) & 0x3;
		xmc[3]	= (*c >> 3) & 0x7;
		xmc[4]	= *c++ & 0x7;
		xmc[5]	= (*c >> 5) & 0x7;
		xmc[6]	= (*c >> 2) & 0x7;
		xmc[7]	= (*c++ & 0x3) << 1;			/* 10 */
		xmc[7] |= (*c >> 7) & 0x1;
		xmc[8]	= (*c >> 4) & 0x7;
		xmc[9]	= (*c >> 1) & 0x7;
		xmc[10]  = (*c++ & 0x1) << 2;
		xmc[10] |= (*c >> 6) & 0x3;
		xmc[11]  = (*c >> 3) & 0x7;
		xmc[12]  = *c++ & 0x7;

		Nc[1]  = (*c >> 1) & 0x7F;
		bc[1]  = (*c++ & 0x1) << 1;
		bc[1] |= (*c >> 7) & 0x1;
		Mc[1]  = (*c >> 5) & 0x3;
		xmaxc[1]  = (*c++ & 0x1F) << 1;
		xmaxc[1] |= (*c >> 7) & 0x1;
		xmc[13]  = (*c >> 4) & 0x7;
		xmc[14]  = (*c >> 1) & 0x7;
		xmc[15]  = (*c++ & 0x1) << 2;
		xmc[15] |= (*c >> 6) & 0x3;
		xmc[16]  = (*c >> 3) & 0x7;
		xmc[17]  = *c++ & 0x7;
		xmc[18]  = (*c >> 5) & 0x7;
		xmc[19]  = (*c >> 2) & 0x7;
		xmc[20]  = (*c++ & 0x3) << 1;
		xmc[20] |= (*c >> 7) & 0x1;
		xmc[21]  = (*c >> 4) & 0x7;
		xmc[22]  = (*c >> 1) & 0x7;
		xmc[23]  = (*c++ & 0x1) << 2;
		xmc[23] |= (*c >> 6) & 0x3;
		xmc[24]  = (*c >> 3) & 0x7;
		xmc[25]  = *c++ & 0x7;


		Nc[2]  = (*c >> 1) & 0x7F;
		bc[2]  = (*c++ & 0x1) << 1; 			/* 20 */
		bc[2] |= (*c >> 7) & 0x1;
		Mc[2]  = (*c >> 5) & 0x3;
		xmaxc[2]  = (*c++ & 0x1F) << 1;
		xmaxc[2] |= (*c >> 7) & 0x1;
		xmc[26]  = (*c >> 4) & 0x7;
		xmc[27]  = (*c >> 1) & 0x7;
		xmc[28]  = (*c++ & 0x1) << 2;
		xmc[28] |= (*c >> 6) & 0x3;
		xmc[29]  = (*c >> 3) & 0x7;
		xmc[30]  = *c++ & 0x7;
		xmc[31]  = (*c >> 5) & 0x7;
		xmc[32]  = (*c >> 2) & 0x7;
		xmc[33]  = (*c++ & 0x3) << 1;
		xmc[33] |= (*c >> 7) & 0x1;
		xmc[34]  = (*c >> 4) & 0x7;
		xmc[35]  = (*c >> 1) & 0x7;
		xmc[36]  = (*c++ & 0x1) << 2;
		xmc[36] |= (*c >> 6) & 0x3;
		xmc[37]  = (*c >> 3) & 0x7;
		xmc[38]  = *c++ & 0x7;

		Nc[3]  = (*c >> 1) & 0x7F;
		bc[3]  = (*c++ & 0x1) << 1;
		bc[3] |= (*c >> 7) & 0x1;
		Mc[3]  = (*c >> 5) & 0x3;
		xmaxc[3]  = (*c++ & 0x1F) << 1;
		xmaxc[3] |= (*c >> 7) & 0x1;

		xmc[39]  = (*c >> 4) & 0x7;
		xmc[40]  = (*c >> 1) & 0x7;
		xmc[41]  = (*c++ & 0x1) << 2;
		xmc[41] |= (*c >> 6) & 0x3;
		xmc[42]  = (*c >> 3) & 0x7;
		xmc[43]  = *c++ & 0x7;					/* 30  */
		xmc[44]  = (*c >> 5) & 0x7;
		xmc[45]  = (*c >> 2) & 0x7;
		xmc[46]  = (*c++ & 0x3) << 1;
		xmc[46] |= (*c >> 7) & 0x1;
		xmc[47]  = (*c >> 4) & 0x7;
		xmc[48]  = (*c >> 1) & 0x7;
		xmc[49]  = (*c++ & 0x1) << 2;
		xmc[49] |= (*c >> 6) & 0x3;
		xmc[50]  = (*c >> 3) & 0x7;
		xmc[51]  = *c & 0x7;					/* 33 */

		fprintf(f,
              "LARc:\t%2.2d  %2.2d  %2.2d  %2.2d  %2.2d  %2.2d  %2.2d  %2.2d\n",
			   LARc[0],LARc[1],LARc[2],LARc[3],LARc[4],LARc[5],LARc[6],LARc[7]);

        fprintf(f, "#1:         Nc %4.4d    bc %d    Mc %d    xmaxc %d\n",
				Nc[0], bc[0], Mc[0], xmaxc[0]);
		fprintf(f,
"\t%.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d\n",
				xmc[0],xmc[1],xmc[2],xmc[3],xmc[4],xmc[5],xmc[6],
				xmc[7],xmc[8],xmc[9],xmc[10],xmc[11],xmc[12] );

        fprintf(f, "#2:         Nc %4.4d    bc %d    Mc %d    xmaxc %d\n",
				Nc[1], bc[1], Mc[1], xmaxc[1]);
		fprintf(f,
"\t%.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d\n",
				xmc[13+0],xmc[13+1],xmc[13+2],xmc[13+3],xmc[13+4],xmc[13+5],
				xmc[13+6], xmc[13+7],xmc[13+8],xmc[13+9],xmc[13+10],xmc[13+11],
				xmc[13+12] );

        fprintf(f, "#3:         Nc %4.4d    bc %d    Mc %d    xmaxc %d\n",
				Nc[2], bc[2], Mc[2], xmaxc[2]);
		fprintf(f,
"\t%.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d\n",
				xmc[26+0],xmc[26+1],xmc[26+2],xmc[26+3],xmc[26+4],xmc[26+5],
				xmc[26+6], xmc[26+7],xmc[26+8],xmc[26+9],xmc[26+10],xmc[26+11],
				xmc[26+12] );

        fprintf(f, "#4:         Nc %4.4d    bc %d    Mc %d    xmaxc %d\n",
				Nc[3], bc[3], Mc[3], xmaxc[3]);
		fprintf(f,
"\t%.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d %.2d\n",
				xmc[39+0],xmc[39+1],xmc[39+2],xmc[39+3],xmc[39+4],xmc[39+5],
				xmc[39+6], xmc[39+7],xmc[39+8],xmc[39+9],xmc[39+10],xmc[39+11],
				xmc[39+12] );

		return 0;
}