--- /dev/null
+/* libsst.c - SPARC sound tools library
+**
+** Copyright (C) 1989 by Jef Poskanzer.
+**
+** Permission to use, copy, modify, and distribute this software and its
+** documentation for any purpose and without fee is hereby granted, provided
+** that the above copyright notice appear in all copies and that both that
+** copyright notice and this permission notice appear in supporting
+** documentation. This software is provided "as is" without express or
+** implied warranty.
+
+** Hacked on by jwz for emacs.
+
+*/
+
+/* Synched up with: Not in FSF. */
+
+#ifdef emacs
+#include <config.h>
+#include "lisp.h"
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include "libsst.h"
+
+#define AUDBUF 1024
+
+int
+sst_open(play_level, record_level)
+ int play_level, record_level;
+ {
+ int fd, i, gr, ger, gx;
+ struct audio_ioctl ai;
+ char *ep;
+
+ fd = open( "/dev/audio", O_RDWR );
+ if ( fd < 0 )
+ {
+ perror( "sst_open: open /dev/audio" );
+ return( fd );
+ }
+
+#ifdef AUDIOSETQSIZE /* This no longer exists as of 4.1.2. */
+
+ /* Shrink audio device's queue size, to cut down time delay. */
+ i = AUDBUF;
+ if ( ioctl( fd, AUDIOSETQSIZE, &i ) < 0 )
+ {
+ perror( "sst_open: SETQSIZE" );
+ return( fd );
+ }
+#endif /* AUDIOSETQSIZE */
+
+ /* Set gains. -10 <= ger <= 18, -18 <= gr <= 12, -18 <= gx <= 12. */
+ if (!play_level)
+ {
+ play_level = 75;
+ if ( (ep = getenv( "SST_PLAY" )) != NULL )
+ {
+ play_level = atoi( ep );
+ if ( play_level < 0 || play_level > 99 )
+ {
+ warn( "sst_open: SST_PLAY must be between 0 and 99" );
+ return( -1 );
+ }
+ }
+ }
+ if (!record_level)
+ {
+ record_level = 75;
+ if ( (ep = getenv( "SST_RECORD" )) != NULL )
+ {
+ record_level = atoi( ep );
+ if ( record_level < 0 || record_level > 99 )
+ {
+ warn( "sst_open: SST_RECORD must be between 0 and 99" );
+ return( -1 );
+ }
+ }
+ }
+
+ play_level = play_level * 59 / 100 - 28;
+ ger = play_level / 2;
+ gr = play_level - ger;
+ if ( ger < -10 )
+ {
+ ger = -10;
+ gr = play_level - ger;
+ }
+ if ( gr > 12 )
+ {
+ gr = 12;
+ ger = play_level - gr;
+ }
+ gx = record_level * 31 / 100 - 18;
+ sst_set_gr( fd, gr );
+ sst_set_ger( fd, ger );
+ sst_set_gx( fd, gx );
+
+ /* Initialize the MMR2 register to send the output to either
+ ** the speaker or the earphone jack, depending on SST_EARPHONES.
+ */
+ ai.control = AUDIO_MAP_MMR2;
+ if ( ioctl( fd, AUDIOGETREG, &ai ) < 0 )
+ {
+ perror( "sst_open: GETREG MMR2" );
+ return( -1 );
+ }
+ if ( (ep = getenv( "SST_EARPHONES" )) != NULL )
+ ai.data[0] &= ~AUDIO_MMR2_BITS_LS;
+ else
+ ai.data[0] |= AUDIO_MMR2_BITS_LS;
+ if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
+ {
+ perror( "sst_open: SETREG MMR2" );
+ return( fd );
+ }
+
+ return fd;
+ }
+
+void
+sst_close( fd )
+int fd;
+ {
+ struct audio_ioctl ai;
+
+ ai.control = AUDIO_MAP_MMR1;
+ ai.data[0] = 0;
+ if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
+ {
+ perror( "sst_close: SETREG MMR1" );
+ }
+ ai.control = AUDIO_MAP_MMR2;
+ ai.data[0] = 0;
+ if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
+ {
+ perror( "sst_close: SETREG MMR2" );
+ }
+ close( fd );
+ }
+
+/* These are tables of values to be loaded into various gain registers.
+*/
+
+static unsigned char ger_table[][2] = {
+ 0xaa, 0xaa, /* -10db */
+ 0x79, 0xac,
+ 0x41, 0x99,
+ 0x9c, 0xde,
+ 0x74, 0x9c, /* -6db */
+ 0x6a, 0xae,
+ 0xab, 0xdf,
+ 0x64, 0xab,
+ 0x2a, 0xbd,
+ 0x5c, 0xce,
+ 0x00, 0x99, /* 0db */
+ 0x43, 0xdd,
+ 0x52, 0xef,
+ 0x55, 0x42,
+ 0x31, 0xdd,
+ 0x43, 0x1f,
+ 0x40, 0xdd, /* 6db */
+ 0x44, 0x0f,
+ 0x31, 0x1f,
+ 0x10, 0xdd,
+ 0x41, 0x0f,
+ 0x60, 0x0b,
+ 0x42, 0x10, /* 12db */
+ 0x11, 0x0f,
+ 0x72, 0x00,
+ 0x21, 0x10,
+ 0x22, 0x00,
+ 0x00, 0x0b,
+ 0x00, 0x0f, /* 18db */
+ };
+
+
+static unsigned char gr_gx_table[][2] = {
+ 0x8b, 0x7c, /* -18db */
+ 0x8b, 0x35,
+ 0x8b, 0x24,
+ 0x91, 0x23,
+ 0x91, 0x2a,
+ 0x91, 0x3b,
+ 0x91, 0xf9, /* -12db */
+ 0x91, 0xb6,
+ 0x91, 0xa4,
+ 0x92, 0x32,
+ 0x92, 0xaa,
+ 0x93, 0xb3,
+ 0x9f, 0x91, /* -6db */
+ 0x9b, 0xf9,
+ 0x9a, 0x4a,
+ 0xa2, 0xa2,
+ 0xaa, 0xa3,
+ 0xbb, 0x52,
+ 0x08, 0x08, /* 0db */
+ 0x3d, 0xac,
+ 0x25, 0x33,
+ 0x21, 0x22,
+ 0x12, 0xa2,
+ 0x11, 0x3b,
+ 0x10, 0xf2, /* 6db */
+ 0x02, 0xca,
+ 0x01, 0x5a,
+ 0x01, 0x12,
+ 0x00, 0x32,
+ 0x00, 0x13,
+ 0x00, 0x0e, /* 12db */
+ };
+
+void
+sst_set_ger( fd, value )
+int fd, value;
+ {
+ struct audio_ioctl ai;
+
+ if ( ( value < -10 ) || ( value > 18 ) )
+ {
+ char buf [255];
+ sprintf (buf, "sst_set_ger: GER %d out of range", value);
+ warn(buf);
+ return;
+ }
+
+ /* Add 10 to the value to get the index into the table. */
+ ai.control = AUDIO_MAP_GER;
+ ai.data[0] = ger_table[value + 10][1];
+ ai.data[1] = ger_table[value + 10][0];
+
+ if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
+ {
+ perror( "sst_set_ger: SETREG GER" );
+ }
+
+ ai.control = AUDIO_MAP_MMR1;
+ if ( ioctl( fd, AUDIOGETREG, &ai ) < 0 )
+ {
+ perror( "sst_set_ger: GETREG MMR1" );
+ }
+ ai.data[0] |= AUDIO_MMR1_BITS_LOAD_GER;
+ if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
+ {
+ perror( "sst_set_ger: SETREG MMR1" );
+ }
+ }
+
+void
+sst_set_gr( fd, value )
+int fd, value;
+ {
+ struct audio_ioctl ai;
+
+ if ( ( value < -18 ) || ( value > 12 ) )
+ {
+ char buf [255];
+ sprintf (buf, "sst_set_gr: GR %d out of range", value);
+ warn (buf);
+ return;
+ }
+
+ ai.control = AUDIO_MAP_GR;
+ ai.data[0] = gr_gx_table[value + 18][1];
+ ai.data[1] = gr_gx_table[value + 18][0];
+
+ if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
+ {
+ perror( "sst_set_gr: SETREG GR" );
+ }
+
+ ai.control = AUDIO_MAP_MMR1;
+ if ( ioctl( fd, AUDIOGETREG, &ai ) < 0 )
+ {
+ perror( "sst_set_gr: GETREG MMR1" );
+ }
+ ai.data[0] |= AUDIO_MMR1_BITS_LOAD_GR;
+ if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
+ {
+ perror( "sst_set_gr: SETREG MMR1" );
+ }
+ }
+
+void
+sst_set_gx( fd, value )
+int fd, value;
+ {
+ struct audio_ioctl ai;
+ char buf [255];
+
+ if ( ( value < -18 ) || ( value > 12 ) )
+ {
+ sprintf (buf, "sst_set_gx: GX %d out of range", value);
+ warn (buf);
+ return;
+ }
+
+ /* We add 18 to get the index into the table, since entry 0 represents
+ * -18db.
+ */
+ ai.control = AUDIO_MAP_GX;
+ ai.data[0] = gr_gx_table[value + 18][1];
+ ai.data[1] = gr_gx_table[value + 18][0];
+
+ if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
+ {
+ perror( "sst_set_gx: SETREG GX" );
+ }
+
+ ai.control = AUDIO_MAP_MMR1;
+ if ( ioctl( fd, AUDIOGETREG, &ai ) < 0 )
+ {
+ perror( "sst_set_gx: GETREG MMR1" );
+ }
+ ai.data[0] |= AUDIO_MMR1_BITS_LOAD_GX;
+ if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
+ {
+ perror( "sst_set_gx: SETREG MMR1" );
+ }
+ }
+
+void
+sst_tones( fd, dhz1, dhz2, thz, rhz, usec )
+int fd, dhz1, dhz2, thz, rhz, usec;
+ {
+ char buf [255];
+ struct audio_ioctl ai;
+ int dval1, dval2, tval, rval;
+ unsigned char oldmmr2, newmmr2;
+
+ if ( dhz1 == 0 )
+ dval1 = 0;
+ else
+ {
+ dval1 = ( dhz1 * 128 + 63 ) / 1000;
+ if ( ( dval1 < 1 ) || ( dval1 > 255 ) )
+ {
+ sprintf(buf, "sst_tones: dhz1 %d out of range", dhz1 );
+ warn (buf);
+ return;
+ }
+ }
+
+ if ( dhz2 == 0 )
+ dval2 = 0;
+ else
+ {
+ dval2 = ( dhz2 * 128 + 63 ) / 1000;
+ if ( ( dval2 < 1 ) || ( dval2 > 255 ) )
+ {
+ sprintf(buf, "sst_tones: dhz2 %d out of range", dhz2 );
+ warn (buf);
+ return;
+ }
+ }
+
+ if ( thz == 0 )
+ tval = 0;
+ else
+ {
+ tval = ( thz * 128 + 63 ) / 2000;
+ if ( ( tval < 1 ) || ( tval > 255 ) )
+ {
+ sprintf(buf, "sst_tones: thz %d out of range", thz );
+ warn (buf);
+ return;
+ }
+ }
+
+ if ( rhz == 0 )
+ rval = 0;
+ else
+ {
+ rval = ( rhz * 128 + 63 ) / 2000;
+ if ( ( rval < 1 ) || ( rval > 255 ) )
+ {
+ sprintf(buf, "sst_tones: rhz %d out of range", dhz2 );
+ warn (buf);
+ return;
+ }
+ }
+
+ if ( ( dval1 != 0 || dval2 != 0 ) && ( tval != 0 || rval != 0 ) )
+ {
+ sprintf(buf, "sst_tones: cannot use DTMF and TONE or RINGER at the same time", dhz2 );
+ warn (buf);
+ return;
+ }
+
+ if ( tval != 0 && rval != 0 )
+ {
+ sprintf(buf, "sst_tones: cannot use TONE and RINGER at the same time", dhz2 );
+ warn (buf);
+ return;
+ }
+
+ ai.control = AUDIO_MAP_MMR2;
+ if ( ioctl( fd, AUDIOGETREG, &ai ) < 0 )
+ {
+ perror( "sst_tones: GETREG MMR2" );
+ }
+ oldmmr2 = newmmr2 = ai.data[0];
+
+ if ( dval1 != 0 || dval2 != 0 )
+ {
+ newmmr2 |= AUDIO_MMR2_BITS_DTMF;
+ ai.control = AUDIO_MAP_FTGR;
+ ai.data[0] = dval1;
+ ai.data[1] = dval2;
+ if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
+ {
+ perror( "sst_tones: SETREG FTGR" );
+ }
+ }
+
+ if ( tval != 0 )
+ {
+ newmmr2 |= AUDIO_MMR2_BITS_TONE;
+ ai.control = AUDIO_MAP_FTGR;
+ ai.data[0] = tval;
+ ai.data[1] = 0;
+ if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
+ {
+ perror( "sst_tones: SETREG FTGR" );
+ }
+ }
+
+ if ( rval != 0 )
+ {
+ newmmr2 |= AUDIO_MMR2_BITS_RINGER;
+ ai.control = AUDIO_MAP_FTGR;
+ ai.data[0] = rval;
+ ai.data[1] = 0;
+ if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
+ {
+ perror( "sst_tones: SETREG FTGR" );
+ }
+ }
+
+ ai.control = AUDIO_MAP_MMR2;
+ ai.data[0] = newmmr2;
+ if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
+ {
+ perror( "sst_tones: SETREG MMR2" );
+ }
+
+ usleep( usec );
+
+ ai.data[0] = oldmmr2;
+ if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
+ {
+ perror( "sst_tones: SETREG MMR2" );
+ }
+ }
+
+void
+sst_dtmf( fd, dial, usecper, usecpause )
+int fd, usecper, usecpause;
+char *dial;
+ {
+ char *cp;
+
+ for ( cp = dial; *cp != '\0'; cp++ )
+ {
+ switch ( *cp )
+ {
+ case '1': sst_tones( fd, 703, 1211, 0, 0, usecper ); break;
+ case '2': sst_tones( fd, 703, 1336, 0, 0, usecper ); break;
+ case '3': sst_tones( fd, 703, 1492, 0, 0, usecper ); break;
+ case 'A': sst_tones( fd, 703, 1648, 0, 0, usecper ); break;
+ case '4': sst_tones( fd, 773, 1211, 0, 0, usecper ); break;
+ case '5': sst_tones( fd, 773, 1336, 0, 0, usecper ); break;
+ case '6': sst_tones( fd, 773, 1492, 0, 0, usecper ); break;
+ case 'B': sst_tones( fd, 773, 1648, 0, 0, usecper ); break;
+ case '7': sst_tones( fd, 859, 1211, 0, 0, usecper ); break;
+ case '8': sst_tones( fd, 859, 1336, 0, 0, usecper ); break;
+ case '9': sst_tones( fd, 859, 1492, 0, 0, usecper ); break;
+ case 'C': sst_tones( fd, 859, 1648, 0, 0, usecper ); break;
+ case '*': sst_tones( fd, 945, 1211, 0, 0, usecper ); break;
+ case '0': sst_tones( fd, 945, 1336, 0, 0, usecper ); break;
+ case '#': sst_tones( fd, 945, 1492, 0, 0, usecper ); break;
+ case 'D': sst_tones( fd, 945, 1648, 0, 0, usecper ); break;
+
+ case ' ': case '-': case '(': case ')': case '+':
+ continue; /* ignore */
+
+ case ',': usleep( usecper ); break; /* big pause */
+
+ default:
+ {
+ char buf [255];
+ sprintf( buf, "sst_dtmf: unknown dialing code '%c'", *cp );
+ warn (buf);
+ }
+ }
+ usleep( usecpause );
+ }
+ }
projects / chise / xemacs-chise.git- / blobdiff