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0
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1 /* libsst.c - SPARC sound tools library
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2 **
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3 ** Copyright (C) 1989 by Jef Poskanzer.
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4 **
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5 ** Permission to use, copy, modify, and distribute this software and its
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6 ** documentation for any purpose and without fee is hereby granted, provided
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7 ** that the above copyright notice appear in all copies and that both that
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8 ** copyright notice and this permission notice appear in supporting
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9 ** documentation. This software is provided "as is" without express or
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10 ** implied warranty.
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11
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12 ** Hacked on by jwz for emacs.
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13
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14 */
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15
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16 /* Synched up with: Not in FSF. */
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17
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18 #ifdef emacs
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19 #include <config.h>
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20 #include "lisp.h"
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70
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21 #endif
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22
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23 #ifdef STDC_HEADERS
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0
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24 #include <stdlib.h>
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70
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25 #endif
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26
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27 #ifdef HAVE_UNISTD_H
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0
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28 #include <unistd.h>
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29 #endif
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70
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30
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0
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31 #include <stdio.h>
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32 #include <fcntl.h>
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33 #include "libsst.h"
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34
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35 #define AUDBUF 1024
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36
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37 extern void usleep();
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38
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39 int
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40 sst_open(play_level, record_level)
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41 int play_level, record_level;
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42 {
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43 int fd, i, gr, ger, gx;
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44 struct audio_ioctl ai;
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45 char *getenv(), *ep;
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46
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47 fd = open( "/dev/audio", O_RDWR );
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48 if ( fd < 0 )
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49 {
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50 perror( "sst_open: open /dev/audio" );
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51 return( fd );
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52 }
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53
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54 #ifdef AUDIOSETQSIZE /* This no longer exists as of 4.1.2. */
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55
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56 /* Shrink audio device's queue size, to cut down time delay. */
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57 i = AUDBUF;
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58 if ( ioctl( fd, AUDIOSETQSIZE, &i ) < 0 )
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59 {
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60 perror( "sst_open: SETQSIZE" );
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61 return( fd );
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62 }
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63 #endif /* AUDIOSETQSIZE */
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64
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65 /* Set gains. -10 <= ger <= 18, -18 <= gr <= 12, -18 <= gx <= 12. */
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66 if (!play_level)
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67 {
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68 play_level = 75;
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69 if ( (ep = getenv( "SST_PLAY" )) != NULL )
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70 {
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71 play_level = atoi( ep );
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72 if ( play_level < 0 || play_level > 99 )
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73 {
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74 warn( "sst_open: SST_PLAY must be between 0 and 99" );
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75 return( -1 );
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76 }
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77 }
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78 }
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79 if (!record_level)
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80 {
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81 record_level = 75;
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82 if ( (ep = getenv( "SST_RECORD" )) != NULL )
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83 {
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84 record_level = atoi( ep );
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85 if ( record_level < 0 || record_level > 99 )
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86 {
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87 warn( "sst_open: SST_RECORD must be between 0 and 99" );
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88 return( -1 );
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89 }
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90 }
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91 }
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92
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93 play_level = play_level * 59 / 100 - 28;
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94 ger = play_level / 2;
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95 gr = play_level - ger;
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96 if ( ger < -10 )
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97 {
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98 ger = -10;
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99 gr = play_level - ger;
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100 }
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101 if ( gr > 12 )
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102 {
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103 gr = 12;
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104 ger = play_level - gr;
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105 }
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106 gx = record_level * 31 / 100 - 18;
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107 sst_set_gr( fd, gr );
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108 sst_set_ger( fd, ger );
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109 sst_set_gx( fd, gx );
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110
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111 /* Initialize the MMR2 register to send the output to either
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112 ** the speaker or the earphone jack, depending on SST_EARPHONES.
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113 */
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114 ai.control = AUDIO_MAP_MMR2;
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115 if ( ioctl( fd, AUDIOGETREG, &ai ) < 0 )
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116 {
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117 perror( "sst_open: GETREG MMR2" );
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118 return( -1 );
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119 }
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120 if ( (ep = getenv( "SST_EARPHONES" )) != NULL )
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121 ai.data[0] &= ~AUDIO_MMR2_BITS_LS;
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122 else
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123 ai.data[0] |= AUDIO_MMR2_BITS_LS;
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124 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
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125 {
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126 perror( "sst_open: SETREG MMR2" );
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127 return( fd );
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128 }
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129
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130 return fd;
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131 }
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132
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133 void
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134 sst_close( fd )
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135 int fd;
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136 {
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137 struct audio_ioctl ai;
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138
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139 ai.control = AUDIO_MAP_MMR1;
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140 ai.data[0] = 0;
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141 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
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142 {
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143 perror( "sst_close: SETREG MMR1" );
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144 }
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145 ai.control = AUDIO_MAP_MMR2;
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146 ai.data[0] = 0;
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147 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
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148 {
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149 perror( "sst_close: SETREG MMR2" );
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150 }
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151 close( fd );
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152 }
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153
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154 /* These are tables of values to be loaded into various gain registers.
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155 */
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156
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157 static unsigned char ger_table[][2] = {
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158 0xaa, 0xaa, /* -10db */
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159 0x79, 0xac,
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160 0x41, 0x99,
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161 0x9c, 0xde,
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162 0x74, 0x9c, /* -6db */
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163 0x6a, 0xae,
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164 0xab, 0xdf,
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165 0x64, 0xab,
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166 0x2a, 0xbd,
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167 0x5c, 0xce,
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168 0x00, 0x99, /* 0db */
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169 0x43, 0xdd,
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170 0x52, 0xef,
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171 0x55, 0x42,
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172 0x31, 0xdd,
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173 0x43, 0x1f,
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174 0x40, 0xdd, /* 6db */
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175 0x44, 0x0f,
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176 0x31, 0x1f,
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177 0x10, 0xdd,
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178 0x41, 0x0f,
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179 0x60, 0x0b,
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180 0x42, 0x10, /* 12db */
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181 0x11, 0x0f,
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182 0x72, 0x00,
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183 0x21, 0x10,
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184 0x22, 0x00,
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185 0x00, 0x0b,
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186 0x00, 0x0f, /* 18db */
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187 };
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188
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189
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190 static unsigned char gr_gx_table[][2] = {
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191 0x8b, 0x7c, /* -18db */
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192 0x8b, 0x35,
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193 0x8b, 0x24,
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194 0x91, 0x23,
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195 0x91, 0x2a,
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196 0x91, 0x3b,
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197 0x91, 0xf9, /* -12db */
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198 0x91, 0xb6,
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199 0x91, 0xa4,
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200 0x92, 0x32,
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201 0x92, 0xaa,
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202 0x93, 0xb3,
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203 0x9f, 0x91, /* -6db */
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204 0x9b, 0xf9,
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205 0x9a, 0x4a,
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206 0xa2, 0xa2,
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207 0xaa, 0xa3,
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208 0xbb, 0x52,
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209 0x08, 0x08, /* 0db */
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210 0x3d, 0xac,
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211 0x25, 0x33,
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212 0x21, 0x22,
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213 0x12, 0xa2,
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214 0x11, 0x3b,
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215 0x10, 0xf2, /* 6db */
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216 0x02, 0xca,
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217 0x01, 0x5a,
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218 0x01, 0x12,
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219 0x00, 0x32,
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220 0x00, 0x13,
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221 0x00, 0x0e, /* 12db */
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222 };
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223
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224 void
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225 sst_set_ger( fd, value )
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226 int fd, value;
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227 {
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228 struct audio_ioctl ai;
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229
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230 if ( ( value < -10 ) || ( value > 18 ) )
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231 {
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232 char buf [255];
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233 sprintf (buf, "sst_set_ger: GER %d out of range", value);
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234 warn(buf);
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235 return;
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236 }
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237
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238 /* Add 10 to the value to get the index into the table. */
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239 ai.control = AUDIO_MAP_GER;
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240 ai.data[0] = ger_table[value + 10][1];
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241 ai.data[1] = ger_table[value + 10][0];
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242
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243 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
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244 {
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245 perror( "sst_set_ger: SETREG GER" );
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246 }
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247
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248 ai.control = AUDIO_MAP_MMR1;
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249 if ( ioctl( fd, AUDIOGETREG, &ai ) < 0 )
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250 {
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251 perror( "sst_set_ger: GETREG MMR1" );
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252 }
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253 ai.data[0] |= AUDIO_MMR1_BITS_LOAD_GER;
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254 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
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255 {
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256 perror( "sst_set_ger: SETREG MMR1" );
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257 }
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258 }
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259
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260 void
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261 sst_set_gr( fd, value )
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262 int fd, value;
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263 {
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264 struct audio_ioctl ai;
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265
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266 if ( ( value < -18 ) || ( value > 12 ) )
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267 {
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268 char buf [255];
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269 sprintf (buf, "sst_set_gr: GR %d out of range", value);
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270 warn (buf);
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271 return;
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272 }
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273
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274 ai.control = AUDIO_MAP_GR;
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275 ai.data[0] = gr_gx_table[value + 18][1];
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276 ai.data[1] = gr_gx_table[value + 18][0];
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277
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278 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
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279 {
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280 perror( "sst_set_gr: SETREG GR" );
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281 }
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282
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283 ai.control = AUDIO_MAP_MMR1;
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284 if ( ioctl( fd, AUDIOGETREG, &ai ) < 0 )
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285 {
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286 perror( "sst_set_gr: GETREG MMR1" );
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287 }
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288 ai.data[0] |= AUDIO_MMR1_BITS_LOAD_GR;
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289 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
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290 {
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291 perror( "sst_set_gr: SETREG MMR1" );
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292 }
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293 }
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294
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295 void
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296 sst_set_gx( fd, value )
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297 int fd, value;
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298 {
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299 struct audio_ioctl ai;
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300 char buf [255];
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301
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302 if ( ( value < -18 ) || ( value > 12 ) )
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303 {
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304 sprintf (buf, "sst_set_gx: GX %d out of range", value);
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305 warn (buf);
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306 return;
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307 }
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308
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309 /* We add 18 to get the index into the table, since entry 0 represents
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310 * -18db.
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311 */
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312 ai.control = AUDIO_MAP_GX;
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313 ai.data[0] = gr_gx_table[value + 18][1];
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314 ai.data[1] = gr_gx_table[value + 18][0];
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315
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316 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
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317 {
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318 perror( "sst_set_gx: SETREG GX" );
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319 }
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320
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321 ai.control = AUDIO_MAP_MMR1;
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322 if ( ioctl( fd, AUDIOGETREG, &ai ) < 0 )
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323 {
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324 perror( "sst_set_gx: GETREG MMR1" );
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325 }
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326 ai.data[0] |= AUDIO_MMR1_BITS_LOAD_GX;
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327 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
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328 {
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329 perror( "sst_set_gx: SETREG MMR1" );
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330 }
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331 }
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332
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333 void
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334 sst_tones( fd, dhz1, dhz2, thz, rhz, usec )
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335 int fd, dhz1, dhz2, thz, rhz, usec;
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336 {
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337 char buf [255];
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338 struct audio_ioctl ai;
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339 int dval1, dval2, tval, rval;
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340 unsigned char oldmmr2, newmmr2;
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341
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342 if ( dhz1 == 0 )
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343 dval1 = 0;
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344 else
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345 {
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346 dval1 = ( dhz1 * 128 + 63 ) / 1000;
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347 if ( ( dval1 < 1 ) || ( dval1 > 255 ) )
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348 {
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349 sprintf(buf, "sst_tones: dhz1 %d out of range", dhz1 );
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350 warn (buf);
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351 return;
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352 }
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353 }
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354
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355 if ( dhz2 == 0 )
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356 dval2 = 0;
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357 else
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358 {
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359 dval2 = ( dhz2 * 128 + 63 ) / 1000;
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360 if ( ( dval2 < 1 ) || ( dval2 > 255 ) )
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361 {
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362 sprintf(buf, "sst_tones: dhz2 %d out of range", dhz2 );
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363 warn (buf);
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364 return;
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365 }
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366 }
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367
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368 if ( thz == 0 )
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369 tval = 0;
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370 else
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371 {
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372 tval = ( thz * 128 + 63 ) / 2000;
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373 if ( ( tval < 1 ) || ( tval > 255 ) )
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374 {
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375 sprintf(buf, "sst_tones: thz %d out of range", thz );
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376 warn (buf);
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377 return;
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378 }
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379 }
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380
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381 if ( rhz == 0 )
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382 rval = 0;
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383 else
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384 {
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385 rval = ( rhz * 128 + 63 ) / 2000;
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386 if ( ( rval < 1 ) || ( rval > 255 ) )
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387 {
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388 sprintf(buf, "sst_tones: rhz %d out of range", dhz2 );
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389 warn (buf);
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390 return;
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391 }
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392 }
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393
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394 if ( ( dval1 != 0 || dval2 != 0 ) && ( tval != 0 || rval != 0 ) )
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395 {
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396 sprintf(buf, "sst_tones: cannot use DTMF and TONE or RINGER at the same time", dhz2 );
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397 warn (buf);
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398 return;
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399 }
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400
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401 if ( tval != 0 && rval != 0 )
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402 {
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403 sprintf(buf, "sst_tones: cannot use TONE and RINGER at the same time", dhz2 );
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404 warn (buf);
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405 return;
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406 }
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407
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408 ai.control = AUDIO_MAP_MMR2;
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409 if ( ioctl( fd, AUDIOGETREG, &ai ) < 0 )
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410 {
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411 perror( "sst_tones: GETREG MMR2" );
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412 }
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413 oldmmr2 = newmmr2 = ai.data[0];
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414
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415 if ( dval1 != 0 || dval2 != 0 )
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416 {
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417 newmmr2 |= AUDIO_MMR2_BITS_DTMF;
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|
418 ai.control = AUDIO_MAP_FTGR;
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|
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419 ai.data[0] = dval1;
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|
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420 ai.data[1] = dval2;
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|
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421 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
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|
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422 {
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|
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423 perror( "sst_tones: SETREG FTGR" );
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|
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424 }
|
|
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425 }
|
|
|
426
|
|
|
427 if ( tval != 0 )
|
|
|
428 {
|
|
|
429 newmmr2 |= AUDIO_MMR2_BITS_TONE;
|
|
|
430 ai.control = AUDIO_MAP_FTGR;
|
|
|
431 ai.data[0] = tval;
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|
|
432 ai.data[1] = 0;
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|
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433 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
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|
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434 {
|
|
|
435 perror( "sst_tones: SETREG FTGR" );
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|
|
436 }
|
|
|
437 }
|
|
|
438
|
|
|
439 if ( rval != 0 )
|
|
|
440 {
|
|
|
441 newmmr2 |= AUDIO_MMR2_BITS_RINGER;
|
|
|
442 ai.control = AUDIO_MAP_FTGR;
|
|
|
443 ai.data[0] = rval;
|
|
|
444 ai.data[1] = 0;
|
|
|
445 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
|
|
|
446 {
|
|
|
447 perror( "sst_tones: SETREG FTGR" );
|
|
|
448 }
|
|
|
449 }
|
|
|
450
|
|
|
451 ai.control = AUDIO_MAP_MMR2;
|
|
|
452 ai.data[0] = newmmr2;
|
|
|
453 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
|
|
|
454 {
|
|
|
455 perror( "sst_tones: SETREG MMR2" );
|
|
|
456 }
|
|
|
457
|
|
|
458 usleep( usec );
|
|
|
459
|
|
|
460 ai.data[0] = oldmmr2;
|
|
|
461 if ( ioctl( fd, AUDIOSETREG, &ai ) < 0 )
|
|
|
462 {
|
|
|
463 perror( "sst_tones: SETREG MMR2" );
|
|
|
464 }
|
|
|
465 }
|
|
|
466
|
|
|
467 void
|
|
|
468 sst_dtmf( fd, dial, usecper, usecpause )
|
|
|
469 int fd, usecper, usecpause;
|
|
|
470 char *dial;
|
|
|
471 {
|
|
|
472 char *cp;
|
|
|
473
|
|
|
474 for ( cp = dial; *cp != '\0'; cp++ )
|
|
|
475 {
|
|
|
476 switch ( *cp )
|
|
|
477 {
|
|
|
478 case '1': sst_tones( fd, 703, 1211, 0, 0, usecper ); break;
|
|
|
479 case '2': sst_tones( fd, 703, 1336, 0, 0, usecper ); break;
|
|
|
480 case '3': sst_tones( fd, 703, 1492, 0, 0, usecper ); break;
|
|
|
481 case 'A': sst_tones( fd, 703, 1648, 0, 0, usecper ); break;
|
|
|
482 case '4': sst_tones( fd, 773, 1211, 0, 0, usecper ); break;
|
|
|
483 case '5': sst_tones( fd, 773, 1336, 0, 0, usecper ); break;
|
|
|
484 case '6': sst_tones( fd, 773, 1492, 0, 0, usecper ); break;
|
|
|
485 case 'B': sst_tones( fd, 773, 1648, 0, 0, usecper ); break;
|
|
|
486 case '7': sst_tones( fd, 859, 1211, 0, 0, usecper ); break;
|
|
|
487 case '8': sst_tones( fd, 859, 1336, 0, 0, usecper ); break;
|
|
|
488 case '9': sst_tones( fd, 859, 1492, 0, 0, usecper ); break;
|
|
|
489 case 'C': sst_tones( fd, 859, 1648, 0, 0, usecper ); break;
|
|
|
490 case '*': sst_tones( fd, 945, 1211, 0, 0, usecper ); break;
|
|
|
491 case '0': sst_tones( fd, 945, 1336, 0, 0, usecper ); break;
|
|
|
492 case '#': sst_tones( fd, 945, 1492, 0, 0, usecper ); break;
|
|
|
493 case 'D': sst_tones( fd, 945, 1648, 0, 0, usecper ); break;
|
|
|
494
|
|
|
495 case ' ': case '-': case '(': case ')': case '+':
|
|
|
496 continue; /* ignore */
|
|
|
497
|
|
|
498 case ',': usleep( usecper ); break; /* big pause */
|
|
|
499
|
|
|
500 default:
|
|
|
501 {
|
|
|
502 char buf [255];
|
|
|
503 sprintf( buf, "sst_dtmf: unknown dialing code '%c'", *cp );
|
|
|
504 warn (buf);
|
|
|
505 }
|
|
|
506 }
|
|
|
507 usleep( usecpause );
|
|
|
508 }
|
|
|
509 }
|
