diff --git a/src/config.c b/src/config.c index 1ad6c08..739eb2f 100644 --- a/src/config.c +++ b/src/config.c @@ -1,7 +1,7 @@ // // This file is part of Dire Wolf, an amateur radio packet TNC. // -// Copyright (C) 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2021 John Langner, WB2OSZ +// Copyright (C) 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2021, 2023 John Langner, WB2OSZ // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by @@ -755,12 +755,13 @@ void config_init (char *fname, struct audio_s *p_audio_config, strlcpy (p_audio_config->adev[adevice].adevice_out, DEFAULT_ADEVICE, sizeof(p_audio_config->adev[adevice].adevice_out)); p_audio_config->adev[adevice].defined = 0; + p_audio_config->adev[adevice].copy_from = -1; p_audio_config->adev[adevice].num_channels = DEFAULT_NUM_CHANNELS; /* -2 stereo */ p_audio_config->adev[adevice].samples_per_sec = DEFAULT_SAMPLES_PER_SEC; /* -r option */ p_audio_config->adev[adevice].bits_per_sample = DEFAULT_BITS_PER_SAMPLE; /* -8 option for 8 instead of 16 bits */ } - p_audio_config->adev[0].defined = 1; + p_audio_config->adev[0].defined = 2; // 2 means it was done by default and not the user's config file. for (channel=0; channelmaxframe_extended = AX25_K_MAXFRAME_EXTENDED_DEFAULT; /* Max frames to send before ACK. mod 128 "Window" size. */ - p_misc_config->maxv22 = AX25_N2_RETRY_DEFAULT / 3; /* Max SABME before falling back to SABM. */ - p_misc_config->v20_addrs = NULL; /* Go directly to v2.0 for stations listed. */ + p_misc_config->maxv22 = AX25_N2_RETRY_DEFAULT / 3; /* Send SABME this many times before falling back to SABM. */ + p_misc_config->v20_addrs = NULL; /* Go directly to v2.0 for stations listed */ + /* without trying v2.2 first. */ p_misc_config->v20_count = 0; p_misc_config->noxid_addrs = NULL; /* Don't send XID to these stations. */ + /* Might work with a partial v2.2 implementation */ + /* on the other end. */ p_misc_config->noxid_count = 0; /* @@ -1012,7 +1016,11 @@ void config_init (char *fname, struct audio_s *p_audio_config, * ADEVICE plughw:1,0 -- same for in and out. * ADEVICE plughw:2,0 plughw:3,0 -- different in/out for a channel or channel pair. * ADEVICE1 udp:7355 default -- from Software defined radio (SDR) via UDP. - * + * + * New in 1.8: Ability to map to another audio device. + * This allows multiple modems (i.e. data speeds) on the same audio interface. + * + * ADEVICEn = n -- Copy from different already defined channel. */ /* Note that ALSA name can contain comma such as hw:1,0 */ @@ -1040,17 +1048,42 @@ void config_init (char *fname, struct audio_s *p_audio_config, exit(EXIT_FAILURE); } + // Do not allow same adevice to be defined more than once. + // Overriding the default for adevice 0 is ok. + // In that case definded was 2. That's why we check for 1, not just non-zero. + + if (p_audio_config->adev[adevice].defined == 1) { // 1 means defined by user. + text_color_set(DW_COLOR_ERROR); + dw_printf ("Config file: ADEVICE%d can't be defined more than once. Line %d.\n", adevice, line); + continue; + } + p_audio_config->adev[adevice].defined = 1; - - /* First channel of device is valid. */ - p_audio_config->chan_medium[ADEVFIRSTCHAN(adevice)] = MEDIUM_RADIO; - strlcpy (p_audio_config->adev[adevice].adevice_in, t, sizeof(p_audio_config->adev[adevice].adevice_in)); - strlcpy (p_audio_config->adev[adevice].adevice_out, t, sizeof(p_audio_config->adev[adevice].adevice_out)); + // New case for release 1.8. - t = split(NULL,0); - if (t != NULL) { + if (strcmp(t, "=") == 0) { + t = split(NULL,0); + if (t != NULL) { + + } + +///////// to be continued.... FIXME + + } + else { + /* First channel of device is valid. */ + // This might be changed to UDP or STDIN when the device name is examined. + p_audio_config->chan_medium[ADEVFIRSTCHAN(adevice)] = MEDIUM_RADIO; + + strlcpy (p_audio_config->adev[adevice].adevice_in, t, sizeof(p_audio_config->adev[adevice].adevice_in)); strlcpy (p_audio_config->adev[adevice].adevice_out, t, sizeof(p_audio_config->adev[adevice].adevice_out)); + + t = split(NULL,0); + if (t != NULL) { + // Different audio devices for receive and transmit. + strlcpy (p_audio_config->adev[adevice].adevice_out, t, sizeof(p_audio_config->adev[adevice].adevice_out)); + } } } @@ -2173,7 +2206,7 @@ void config_init (char *fname, struct audio_s *p_audio_config, else { p_audio_config->achan[channel].slottime = DEFAULT_SLOTTIME; text_color_set(DW_COLOR_ERROR); - dw_printf ("Line %d: Invalid delay time for persist algorithm. Using %d.\n", + dw_printf ("Line %d: Invalid delay time for persist algorithm. Using default %d.\n", line, p_audio_config->achan[channel].slottime); } } @@ -2197,7 +2230,7 @@ void config_init (char *fname, struct audio_s *p_audio_config, else { p_audio_config->achan[channel].persist = DEFAULT_PERSIST; text_color_set(DW_COLOR_ERROR); - dw_printf ("Line %d: Invalid probability for persist algorithm. Using %d.\n", + dw_printf ("Line %d: Invalid probability for persist algorithm. Using default %d.\n", line, p_audio_config->achan[channel].persist); } } @@ -2216,6 +2249,19 @@ void config_init (char *fname, struct audio_s *p_audio_config, } n = atoi(t); if (n >= 0 && n <= 255) { + text_color_set(DW_COLOR_ERROR); + if (n == 0) { + dw_printf ("Line %d: Setting TXDELAY to 0 is a REALLY BAD idea if you want other stations to hear you.\n", + line); + dw_printf ("Line %d: See User Guide, \"Radio Channel - Transmit Timing\" for an explanation.\n", + line); + } + if (n >= 100) { + dw_printf ("Line %d: Keeping with tradition, going back to the 1980s, TXDELAY is in 10 millisecond units.\n", + line); + dw_printf ("Line %d: The value %d would be %.3f seconds which seems rather excessive. Are you sure you want that?\n", + line, n, (double)n * 10. / 1000.); + } p_audio_config->achan[channel].txdelay = n; } else { @@ -2240,6 +2286,18 @@ void config_init (char *fname, struct audio_s *p_audio_config, } n = atoi(t); if (n >= 0 && n <= 255) { + if (n == 0) { + dw_printf ("Line %d: Setting TXTAIL to 0 is a REALLY BAD idea if you want other stations to hear you.\n", + line); + dw_printf ("Line %d: See User Guide, \"Radio Channel - Transmit Timing\" for an explanation.\n", + line); + } + if (n >= 50) { + dw_printf ("Line %d: Keeping with tradition, going back to the 1980s, TXTAIL is in 10 millisecond units.\n", + line); + dw_printf ("Line %d: The value %d would be %.3f seconds which seems rather excessive. Are you sure you want that?\n", + line, n, (double)n * 10. / 1000.); + } p_audio_config->achan[channel].txtail = n; } else {