Thu Apr 28 2011 16:56:45

Asterisk developer's documentation


chan_usbradio.c

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00001 #define  NEW_ASTERISK
00002 /*
00003  * Asterisk -- An open source telephony toolkit.
00004  *
00005  * Copyright (C) 1999 - 2005, Digium, Inc.
00006  * Copyright (C) 2007 - 2008, Jim Dixon
00007  *
00008  * Jim Dixon, WB6NIL <jim@lambdatel.com>
00009  * Steve Henke, W9SH  <w9sh@arrl.net>
00010  * Based upon work by Mark Spencer <markster@digium.com> and Luigi Rizzo
00011  *
00012  * See http://www.asterisk.org for more information about
00013  * the Asterisk project. Please do not directly contact
00014  * any of the maintainers of this project for assistance;
00015  * the project provides a web site, mailing lists and IRC
00016  * channels for your use.
00017  *
00018  * This program is free software, distributed under the terms of
00019  * the GNU General Public License Version 2. See the LICENSE file
00020   * at the top of the source tree.
00021  */
00022 
00023 /*! \file
00024  *
00025  * \brief Channel driver for CM108 USB Cards with Radio Interface
00026  *
00027  * \author Jim Dixon  <jim@lambdatel.com>
00028  * \author Steve Henke  <w9sh@arrl.net>
00029  *
00030  * \par See also
00031  * \arg \ref Config_usbradio
00032  *
00033  * \ingroup channel_drivers
00034  */
00035 
00036 /*** MODULEINFO
00037    <depend>oss</depend>
00038    <depend>alsa</depend>
00039    <depend>usb</depend>
00040    <defaultenabled>no</defaultenabled>
00041  ***/
00042 
00043 /*** MAKEOPTS
00044 <category name="MENUSELECT_CFLAGS" displayname="Compiler Flags" positive_output="yes" remove_on_change=".lastclean">
00045    <member name="RADIO_RTX" displayname="Build RTX/DTX Radio Programming">
00046       <defaultenabled>no</defaultenabled>
00047       <depend>chan_usbradio</depend>
00048    </member>
00049    <member name="RADIO_XPMRX" displayname="Build Experimental Radio Protocols">
00050       <defaultenabled>no</defaultenabled>
00051       <depend>chan_usbradio</depend>
00052    </member>
00053 </category>
00054  ***/
00055 
00056 // 20070918 1600 EDT sph@xelatec.com changing to rx driven streams
00057 
00058 #include "asterisk.h"
00059 
00060 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 284665 $")
00061 
00062 #include <stdio.h>
00063 #include <ctype.h>
00064 #include <math.h>
00065 #include <string.h>
00066 #include <unistd.h>
00067 #ifdef HAVE_SYS_IO_H
00068 #include <sys/io.h>
00069 #endif
00070 #include <sys/ioctl.h>
00071 #include <fcntl.h>
00072 #include <sys/time.h>
00073 #include <stdlib.h>
00074 #include <errno.h>
00075 #include <usb.h>
00076 #include <alsa/asoundlib.h>
00077 
00078 //#define HAVE_XPMRX          1
00079 #ifdef RADIO_XPMRX
00080 #define HAVE_XPMRX            1
00081 #endif
00082 
00083 #define CHAN_USBRADIO           1
00084 #define DEBUG_USBRADIO          0   
00085 #define DEBUG_CAPTURES        1
00086 #define DEBUG_CAP_RX_OUT      0        
00087 #define DEBUG_CAP_TX_OUT       0       
00088 #define DEBUG_FILETEST        0         
00089 
00090 #define RX_CAP_RAW_FILE       "/tmp/rx_cap_in.pcm"
00091 #define RX_CAP_TRACE_FILE     "/tmp/rx_trace.pcm"
00092 #define RX_CAP_OUT_FILE       "/tmp/rx_cap_out.pcm"
00093 
00094 #define TX_CAP_RAW_FILE       "/tmp/tx_cap_in.pcm"
00095 #define TX_CAP_TRACE_FILE     "/tmp/tx_trace.pcm"
00096 #define TX_CAP_OUT_FILE       "/tmp/tx_cap_out.pcm"
00097 
00098 #define  MIXER_PARAM_MIC_PLAYBACK_SW "Mic Playback Switch"
00099 #define MIXER_PARAM_MIC_PLAYBACK_VOL "Mic Playback Volume"
00100 #define  MIXER_PARAM_MIC_CAPTURE_SW "Mic Capture Switch"
00101 #define  MIXER_PARAM_MIC_CAPTURE_VOL "Mic Capture Volume"
00102 #define  MIXER_PARAM_MIC_BOOST "Auto Gain Control"
00103 #define  MIXER_PARAM_SPKR_PLAYBACK_SW "Speaker Playback Switch"
00104 #define  MIXER_PARAM_SPKR_PLAYBACK_VOL "Speaker Playback Volume"
00105 
00106 #define  DELIMCHR ','
00107 #define  QUOTECHR 34
00108 
00109 #define  READERR_THRESHOLD 50
00110 
00111 #include "./xpmr/xpmr.h"
00112 #ifdef HAVE_XPMRX
00113 #include "./xpmrx/xpmrx.h"
00114 #include "./xpmrx/bitweight.h"
00115 #endif
00116 
00117 #if 0
00118 #define traceusb1(a) {printf a;}
00119 #else
00120 #define traceusb1(a)
00121 #endif
00122 
00123 #if 0
00124 #define traceusb2(a) {printf a;}
00125 #else
00126 #define traceusb2(a)
00127 #endif
00128 
00129 #ifdef __linux
00130 #include <linux/soundcard.h>
00131 #elif defined(__FreeBSD__)
00132 #include <sys/soundcard.h>
00133 #else
00134 #include <soundcard.h>
00135 #endif
00136 
00137 #include "asterisk/lock.h"
00138 #include "asterisk/frame.h"
00139 #include "asterisk/logger.h"
00140 #include "asterisk/callerid.h"
00141 #include "asterisk/channel.h"
00142 #include "asterisk/module.h"
00143 #include "asterisk/options.h"
00144 #include "asterisk/pbx.h"
00145 #include "asterisk/config.h"
00146 #include "asterisk/cli.h"
00147 #include "asterisk/utils.h"
00148 #include "asterisk/causes.h"
00149 #include "asterisk/endian.h"
00150 #include "asterisk/stringfields.h"
00151 #include "asterisk/abstract_jb.h"
00152 #include "asterisk/musiconhold.h"
00153 #include "asterisk/dsp.h"
00154 
00155 #ifndef  NEW_ASTERISK
00156 
00157 /* ringtones we use */
00158 #include "busy.h"
00159 #include "ringtone.h"
00160 #include "ring10.h"
00161 #include "answer.h"
00162 
00163 #endif
00164 
00165 #define C108_VENDOR_ID     0x0d8c
00166 #define C108_PRODUCT_ID    0x000c
00167 #define C108_HID_INTERFACE 3
00168 
00169 #define HID_REPORT_GET     0x01
00170 #define HID_REPORT_SET     0x09
00171 
00172 #define HID_RT_INPUT    0x01
00173 #define HID_RT_OUTPUT      0x02
00174 
00175 #define  EEPROM_START_ADDR 6
00176 #define  EEPROM_END_ADDR      63
00177 #define  EEPROM_PHYSICAL_LEN  64
00178 #define EEPROM_TEST_ADDR   EEPROM_END_ADDR
00179 #define  EEPROM_MAGIC_ADDR 6
00180 #define  EEPROM_MAGIC      34329
00181 #define  EEPROM_CS_ADDR    62
00182 #define  EEPROM_RXMIXERSET 8
00183 #define  EEPROM_TXMIXASET  9
00184 #define  EEPROM_TXMIXBSET  10
00185 #define  EEPROM_RXVOICEADJ 11
00186 #define  EEPROM_RXCTCSSADJ 13
00187 #define  EEPROM_TXCTCSSADJ 15
00188 #define  EEPROM_RXSQUELCHADJ  16
00189 
00190 /*! Global jitterbuffer configuration - by default, jb is disabled */
00191 static struct ast_jb_conf default_jbconf =
00192 {
00193    .flags = 0,
00194    .max_size = -1,
00195    .resync_threshold = -1,
00196    .impl = "",
00197    .target_extra = -1,
00198 };
00199 static struct ast_jb_conf global_jbconf;
00200 
00201 /*
00202  * usbradio.conf parameters are
00203 START_CONFIG
00204 
00205 [general]
00206     ; General config options which propigate to all devices, with
00207     ; default values shown. You may have as many devices as the
00208     ; system will allow. You must use one section per device, with
00209     ; [usb] generally (although its up to you) being the first device.
00210     ;
00211     ;
00212     ; debug = 0x0    ; misc debug flags, default is 0
00213 
00214    ; Set the device to use for I/O
00215    ; devicenum = 0
00216    ; Set hardware type here
00217    ; hdwtype=0               ; 0=limey, 1=sph
00218 
00219    ; rxboost=0          ; no rx gain boost
00220    ; rxctcssrelax=1        ; reduce talkoff from radios w/o CTCSS Tx HPF
00221    ; rxctcssfreqs=100.0,123.0      ; list of rx ctcss freq in floating point. must be in table
00222    ; txctcssfreqs=100.0,123.0      ; list tx ctcss freq, any frequency permitted
00223    ; txctcssdefault=100.0      ; default tx ctcss freq, any frequency permitted
00224 
00225    ; carrierfrom=dsp     ;no,usb,usbinvert,dsp,vox
00226    ; ctcssfrom=dsp       ;no,usb,dsp
00227 
00228    ; rxdemod=flat            ; input type from radio: no,speaker,flat
00229    ; txprelim=yes            ; output is pre-emphasised and limited
00230    ; txtoctype=no            ; no,phase,notone
00231 
00232    ; txmixa=composite        ;no,voice,tone,composite,auxvoice
00233    ; txmixb=no               ;no,voice,tone,composite,auxvoice
00234 
00235    ; invertptt=0
00236 
00237     ;------------------------------ JITTER BUFFER CONFIGURATION --------------------------
00238     ; jbenable = yes              ; Enables the use of a jitterbuffer on the receiving side of an
00239                                   ; USBRADIO channel. Defaults to "no". An enabled jitterbuffer will
00240                                   ; be used only if the sending side can create and the receiving
00241                                   ; side can not accept jitter. The USBRADIO channel can't accept jitter,
00242                                   ; thus an enabled jitterbuffer on the receive USBRADIO side will always
00243                                   ; be used if the sending side can create jitter.
00244 
00245     ; jbmaxsize = 200             ; Max length of the jitterbuffer in milliseconds.
00246 
00247     ; jbresyncthreshold = 1000    ; Jump in the frame timestamps over which the jitterbuffer is
00248                                   ; resynchronized. Useful to improve the quality of the voice, with
00249                                   ; big jumps in/broken timestamps, usualy sent from exotic devices
00250                                   ; and programs. Defaults to 1000.
00251 
00252     ; jbimpl = fixed              ; Jitterbuffer implementation, used on the receiving side of an USBRADIO
00253                                   ; channel. Two implementations are currenlty available - "fixed"
00254                                   ; (with size always equals to jbmax-size) and "adaptive" (with
00255                                   ; variable size, actually the new jb of IAX2). Defaults to fixed.
00256 
00257     ; jblog = no                  ; Enables jitterbuffer frame logging. Defaults to "no".
00258     ;-----------------------------------------------------------------------------------
00259 
00260 [usb]
00261 
00262 ; First channel unique config
00263 
00264 [usb1]
00265 
00266 ; Second channel config
00267 
00268 END_CONFIG
00269 
00270  */
00271 
00272 /*
00273  * Helper macros to parse config arguments. They will go in a common
00274  * header file if their usage is globally accepted. In the meantime,
00275  * we define them here. Typical usage is as below.
00276  * Remember to open a block right before M_START (as it declares
00277  * some variables) and use the M_* macros WITHOUT A SEMICOLON:
00278  *
00279  * {
00280  *    M_START(v->name, v->value) 
00281  *
00282  *    M_BOOL("dothis", x->flag1)
00283  *    M_STR("name", x->somestring)
00284  *    M_F("bar", some_c_code)
00285  *    M_END(some_final_statement)
00286  *    ... other code in the block
00287  * }
00288  *
00289  * XXX NOTE these macros should NOT be replicated in other parts of asterisk. 
00290  * Likely we will come up with a better way of doing config file parsing.
00291  */
00292 #define M_START(var, val) \
00293         char *__s = var; char *__val = val;
00294 #define M_END(x)   x;
00295 #define M_F(tag, f)        if (!strcasecmp((__s), tag)) { f; } else
00296 #define M_BOOL(tag, dst)   M_F(tag, (dst) = ast_true(__val) )
00297 #define M_UINT(tag, dst)   M_F(tag, (dst) = strtoul(__val, NULL, 0) )
00298 #define M_STR(tag, dst)    M_F(tag, ast_copy_string(dst, __val, sizeof(dst)))
00299 
00300 /*
00301  * The following parameters are used in the driver:
00302  *
00303  *  FRAME_SIZE the size of an audio frame, in samples.
00304  *    160 is used almost universally, so you should not change it.
00305  *
00306  *  FRAGS   the argument for the SETFRAGMENT ioctl.
00307  *    Overridden by the 'frags' parameter in usbradio.conf
00308  *
00309  *    Bits 0-7 are the base-2 log of the device's block size,
00310  *    bits 16-31 are the number of blocks in the driver's queue.
00311  *    There are a lot of differences in the way this parameter
00312  *    is supported by different drivers, so you may need to
00313  *    experiment a bit with the value.
00314  *    A good default for linux is 30 blocks of 64 bytes, which
00315  *    results in 6 frames of 320 bytes (160 samples).
00316  *    FreeBSD works decently with blocks of 256 or 512 bytes,
00317  *    leaving the number unspecified.
00318  *    Note that this only refers to the device buffer size,
00319  *    this module will then try to keep the lenght of audio
00320  *    buffered within small constraints.
00321  *
00322  *  QUEUE_SIZE The max number of blocks actually allowed in the device
00323  *    driver's buffer, irrespective of the available number.
00324  *    Overridden by the 'queuesize' parameter in usbradio.conf
00325  *
00326  *    Should be >=2, and at most as large as the hw queue above
00327  *    (otherwise it will never be full).
00328  */
00329 
00330 #define FRAME_SIZE   160
00331 #define  QUEUE_SIZE  2           
00332 
00333 #if defined(__FreeBSD__)
00334 #define  FRAGS 0x8
00335 #else
00336 #define  FRAGS ( ( (6 * 5) << 16 ) | 0xc )
00337 #endif
00338 
00339 /*
00340  * XXX text message sizes are probably 256 chars, but i am
00341  * not sure if there is a suitable definition anywhere.
00342  */
00343 #define TEXT_SIZE 256
00344 
00345 #if 0
00346 #define  TRYOPEN  1           /* try to open on startup */
00347 #endif
00348 #define  O_CLOSE  0x444       /* special 'close' mode for device */
00349 /* Which device to use */
00350 #if defined( __OpenBSD__ ) || defined( __NetBSD__ )
00351 #define DEV_DSP "/dev/audio"
00352 #else
00353 #define DEV_DSP "/dev/dsp"
00354 #endif
00355 
00356 static const char *config = "usbradio.conf"; /* default config file */
00357 #define config1 "usbradio_tune_%s.conf"    /* tune config file */
00358 
00359 static FILE *frxcapraw = NULL, *frxcaptrace = NULL, *frxoutraw = NULL;
00360 static FILE *ftxcapraw = NULL, *ftxcaptrace = NULL, *ftxoutraw = NULL;
00361 
00362 static char *usb_device_list = NULL;
00363 static int usb_device_list_size = 0;
00364 
00365 static int usbradio_debug;
00366 #if 0 //maw asdf sph
00367 static int usbradio_debug_level = 0;
00368 #endif
00369 
00370 enum {RX_AUDIO_NONE,RX_AUDIO_SPEAKER,RX_AUDIO_FLAT};
00371 enum {CD_IGNORE,CD_XPMR_NOISE,CD_XPMR_VOX,CD_HID,CD_HID_INVERT};
00372 enum {SD_IGNORE,SD_HID,SD_HID_INVERT,SD_XPMR};               // no,external,externalinvert,software
00373 enum {RX_KEY_CARRIER,RX_KEY_CARRIER_CODE};
00374 enum {TX_OUT_OFF,TX_OUT_VOICE,TX_OUT_LSD,TX_OUT_COMPOSITE,TX_OUT_AUX};
00375 enum {TOC_NONE,TOC_PHASE,TOC_NOTONE};
00376 
00377 /* DECLARE STRUCTURES */
00378 
00379 /*
00380  * Each sound is made of 'datalen' samples of sound, repeated as needed to
00381  * generate 'samplen' samples of data, then followed by 'silencelen' samples
00382  * of silence. The loop is repeated if 'repeat' is set.
00383  */
00384 struct sound {
00385    int ind;
00386    char *desc;
00387    short *data;
00388    int datalen;
00389    int samplen;
00390    int silencelen;
00391    int repeat;
00392 };
00393 
00394 #ifndef  NEW_ASTERISK
00395 
00396 static struct sound sounds[] = {
00397    { AST_CONTROL_RINGING, "RINGING", ringtone, sizeof(ringtone)/2, 16000, 32000, 1 },
00398    { AST_CONTROL_BUSY, "BUSY", busy, sizeof(busy)/2, 4000, 4000, 1 },
00399    { AST_CONTROL_CONGESTION, "CONGESTION", busy, sizeof(busy)/2, 2000, 2000, 1 },
00400    { AST_CONTROL_RING, "RING10", ring10, sizeof(ring10)/2, 16000, 32000, 1 },
00401    { AST_CONTROL_ANSWER, "ANSWER", answer, sizeof(answer)/2, 2200, 0, 0 },
00402    { -1, NULL, 0, 0, 0, 0 },  /* end marker */
00403 };
00404 
00405 #endif
00406 
00407 /*
00408  * descriptor for one of our channels.
00409  * There is one used for 'default' values (from the [general] entry in
00410  * the configuration file), and then one instance for each device
00411  * (the default is cloned from [general], others are only created
00412  * if the relevant section exists).
00413  */
00414 struct chan_usbradio_pvt {
00415    struct chan_usbradio_pvt *next;
00416 
00417    char *name;
00418 #ifndef  NEW_ASTERISK
00419    /*
00420     * cursound indicates which in struct sound we play. -1 means nothing,
00421     * any other value is a valid sound, in which case sampsent indicates
00422     * the next sample to send in [0..samplen + silencelen]
00423     * nosound is set to disable the audio data from the channel
00424     * (so we can play the tones etc.).
00425     */
00426    int sndcmd[2];          /* Sound command pipe */
00427    int cursound;           /* index of sound to send */
00428    int sampsent;           /* # of sound samples sent  */
00429    int nosound;            /* set to block audio from the PBX */
00430 #endif
00431 
00432    int pttkick[2];
00433    int total_blocks;       /* total blocks in the output device */
00434    int sounddev;
00435    enum { M_UNSET, M_FULL, M_READ, M_WRITE } duplex;
00436    i16 cdMethod;
00437    int autoanswer;
00438    int autohangup;
00439    int hookstate;
00440    unsigned int queuesize;    /* max fragments in queue */
00441    unsigned int frags;        /* parameter for SETFRAGMENT */
00442 
00443    int warned;             /* various flags used for warnings */
00444 #define WARN_used_blocks   1
00445 #define WARN_speed      2
00446 #define WARN_frag    4
00447    int w_errors;           /* overfull in the write path */
00448    struct timeval lastopen;
00449 
00450    int overridecontext;
00451    int mute;
00452 
00453    /* boost support. BOOST_SCALE * 10 ^(BOOST_MAX/20) must
00454     * be representable in 16 bits to avoid overflows.
00455     */
00456 #define  BOOST_SCALE (1<<9)
00457 #define  BOOST_MAX   40       /* slightly less than 7 bits */
00458    int boost;              /* input boost, scaled by BOOST_SCALE */
00459    char devicenum;
00460    char devstr[128];
00461    int spkrmax;
00462    int micmax;
00463 
00464 #ifndef  NEW_ASTERISK
00465    pthread_t sthread;
00466 #endif
00467    pthread_t hidthread;
00468 
00469    int stophid;
00470    FILE *hkickhid;
00471 
00472    struct ast_channel *owner;
00473    char ext[AST_MAX_EXTENSION];
00474    char ctx[AST_MAX_CONTEXT];
00475    char language[MAX_LANGUAGE];
00476    char cid_name[256];        /*XXX */
00477    char cid_num[256];         /*XXX */
00478    char mohinterpret[MAX_MUSICCLASS];
00479 
00480    /* buffers used in usbradio_write, 2 per int by 2 channels by 6 times oversampling (48KS/s) */
00481    char usbradio_write_buf[FRAME_SIZE * 2 * 2 * 6];    
00482    char usbradio_write_buf_1[FRAME_SIZE * 2 * 2* 6];
00483 
00484    int usbradio_write_dst;
00485    /* buffers used in usbradio_read - AST_FRIENDLY_OFFSET space for headers
00486     * plus enough room for a full frame
00487     */
00488    char usbradio_read_buf[FRAME_SIZE * (2 * 12) + AST_FRIENDLY_OFFSET];
00489    char usbradio_read_buf_8k[FRAME_SIZE * 2 + AST_FRIENDLY_OFFSET];
00490    int readpos;            /* read position above */
00491    struct ast_frame read_f;   /* returned by usbradio_read */
00492 
00493    char  debuglevel;
00494    char  radioduplex;         // 
00495    char    wanteeprom;
00496 
00497    int   tracetype;
00498    int     tracelevel;
00499    char    area;
00500    char  rptnum;
00501    int     idleinterval;
00502    int      turnoffs;
00503    int   txsettletime;
00504    char    ukey[48];
00505 
00506    char lastrx;
00507    char rxhidsq;
00508    char rxcarrierdetect;      // status from pmr channel
00509    char rxctcssdecode;        // status from pmr channel
00510 
00511    int  rxdcsdecode;
00512    int  rxlsddecode;
00513 
00514    char rxkeytype;
00515    char rxkeyed;           // indicates rx signal present
00516 
00517    char lasttx;
00518    char txkeyed;           // tx key request from upper layers 
00519    char txchankey;
00520    char txtestkey;
00521 
00522    time_t lasthidtime;
00523     struct ast_dsp *dsp;
00524 
00525    t_pmr_chan  *pmrChan;
00526 
00527    char    rxcpusaver;
00528    char    txcpusaver;
00529 
00530    char  rxdemod;
00531    float rxgain;
00532    char  rxcdtype;
00533    char  rxsdtype;
00534    int      rxsquelchadj;   /* this copy needs to be here for initialization */
00535    int     rxsqvoxadj;
00536    char  txtoctype;
00537 
00538    char    txprelim;
00539    float txctcssgain;
00540    char  txmixa;
00541    char  txmixb;
00542 
00543    char  invertptt;
00544 
00545    char  rxctcssrelax;
00546    float rxctcssgain;
00547 
00548    char    txctcssdefault[16];            // for repeater operation
00549    char  rxctcssfreqs[512];            // a string
00550    char    txctcssfreqs[512];
00551 
00552    char  txctcssfreq[32];           // encode now
00553    char  rxctcssfreq[32];           // decode now
00554 
00555    char    numrxctcssfreqs;            // how many
00556    char    numtxctcssfreqs;
00557 
00558    char    *rxctcss[CTCSS_NUM_CODES];     // pointers to strings
00559    char    *txctcss[CTCSS_NUM_CODES];
00560 
00561    int      txfreq;                    // in Hz
00562    int     rxfreq;
00563 
00564    //       start remote operation info
00565    char    set_txctcssdefault[16];           // for remote operation
00566    char  set_txctcssfreq[16];          // encode now
00567    char  set_rxctcssfreq[16];          // decode now
00568 
00569    char    set_numrxctcssfreqs;           // how many
00570    char    set_numtxctcssfreqs;
00571 
00572    char  set_rxctcssfreqs[16];            // a string
00573    char    set_txctcssfreqs[16];
00574 
00575    char    *set_rxctcss;                   // pointers to strings
00576    char    *set_txctcss;
00577 
00578    int      set_txfreq;                   // in Hz
00579    int     set_rxfreq;
00580    //       end remote operation info
00581 
00582    int         rxmixerset;       
00583    int   rxboostset;
00584    float rxvoiceadj;
00585    float rxctcssadj;
00586    int   txmixaset;
00587    int   txmixbset;
00588    int     txctcssadj;
00589 
00590    int      hdwtype;
00591    int      hid_gpio_ctl;     
00592    int      hid_gpio_ctl_loc; 
00593    int      hid_io_cor;       
00594    int      hid_io_cor_loc;   
00595    int      hid_io_ctcss;     
00596    int      hid_io_ctcss_loc;    
00597    int      hid_io_ptt;       
00598    int      hid_gpio_loc;     
00599 
00600    struct {
00601        unsigned rxcapraw:1;
00602       unsigned txcapraw:1;
00603       unsigned txcap2:1;
00604       unsigned rxcap2:1;
00605       unsigned rxplmon:1;
00606       unsigned remoted:1;
00607       unsigned txpolarity:1;
00608       unsigned rxpolarity:1;
00609       unsigned dcstxpolarity:1;
00610       unsigned dcsrxpolarity:1;
00611       unsigned lsdtxpolarity:1;
00612       unsigned lsdrxpolarity:1;
00613       unsigned loopback:1;
00614       unsigned radioactive:1;
00615    }b;
00616    unsigned short eeprom[EEPROM_PHYSICAL_LEN];
00617    char eepromctl;
00618    ast_mutex_t eepromlock;
00619 
00620    struct usb_dev_handle *usb_handle;
00621    int readerrs;
00622 };
00623 
00624 // maw add additional defaults !!!
00625 static struct chan_usbradio_pvt usbradio_default = {
00626 #ifndef  NEW_ASTERISK
00627    .cursound = -1,
00628 #endif
00629    .sounddev = -1,
00630    .duplex = M_UNSET,         /* XXX check this */
00631    .autoanswer = 1,
00632    .autohangup = 1,
00633    .queuesize = QUEUE_SIZE,
00634    .frags = FRAGS,
00635    .ext = "s",
00636    .ctx = "default",
00637    .readpos = AST_FRIENDLY_OFFSET,  /* start here on reads */
00638    .lastopen = { 0, 0 },
00639    .boost = BOOST_SCALE,
00640    .wanteeprom = 1,
00641    .area = 0,
00642    .rptnum = 0,
00643 };
00644 
00645 /* DECLARE FUNCTION PROTOTYPES   */
00646 
00647 static void store_txtoctype(struct chan_usbradio_pvt *o, const char *s);
00648 static int  hidhdwconfig(struct chan_usbradio_pvt *o);
00649 static int set_txctcss_level(struct chan_usbradio_pvt *o);
00650 static void pmrdump(struct chan_usbradio_pvt *o);
00651 static void mult_set(struct chan_usbradio_pvt *o);
00652 static int  mult_calc(int value);
00653 static void mixer_write(struct chan_usbradio_pvt *o);
00654 static void tune_rxinput(int fd, struct chan_usbradio_pvt *o);
00655 static void tune_rxvoice(int fd, struct chan_usbradio_pvt *o);
00656 static void tune_rxctcss(int fd, struct chan_usbradio_pvt *o);
00657 static void tune_txoutput(struct chan_usbradio_pvt *o, int value, int fd);
00658 static void tune_write(struct chan_usbradio_pvt *o);
00659 
00660 static char *usbradio_active;  /* the active device */
00661 
00662 static int setformat(struct chan_usbradio_pvt *o, int mode);
00663 
00664 static struct ast_channel *usbradio_request(const char *type, int format, void *data
00665 , int *cause);
00666 static int usbradio_digit_begin(struct ast_channel *c, char digit);
00667 static int usbradio_digit_end(struct ast_channel *c, char digit, unsigned int duration);
00668 static int usbradio_text(struct ast_channel *c, const char *text);
00669 static int usbradio_hangup(struct ast_channel *c);
00670 static int usbradio_answer(struct ast_channel *c);
00671 static struct ast_frame *usbradio_read(struct ast_channel *chan);
00672 static int usbradio_call(struct ast_channel *c, char *dest, int timeout);
00673 static int usbradio_write(struct ast_channel *chan, struct ast_frame *f);
00674 static int usbradio_indicate(struct ast_channel *chan, int cond, const void *data, size_t datalen);
00675 static int usbradio_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
00676 static int xpmr_config(struct chan_usbradio_pvt *o);
00677 
00678 #if   DEBUG_FILETEST == 1
00679 static int RxTestIt(struct chan_usbradio_pvt *o);
00680 #endif
00681 
00682 static char tdesc[] = "USB (CM108) Radio Channel Driver";
00683 
00684 static const struct ast_channel_tech usbradio_tech = {
00685    .type = "Radio",
00686    .description = tdesc,
00687    .capabilities = AST_FORMAT_SLINEAR,
00688    .requester = usbradio_request,
00689    .send_digit_begin = usbradio_digit_begin,
00690    .send_digit_end = usbradio_digit_end,
00691    .send_text = usbradio_text,
00692    .hangup = usbradio_hangup,
00693    .answer = usbradio_answer,
00694    .read = usbradio_read,
00695    .call = usbradio_call,
00696    .write = usbradio_write,
00697    .indicate = usbradio_indicate,
00698    .fixup = usbradio_fixup,
00699 };
00700 
00701 /* Call with:  devnum: alsa major device number, param: ascii Formal
00702 Parameter Name, val1, first or only value, val2 second value, or 0 
00703 if only 1 value. Values: 0-99 (percent) or 0-1 for baboon.
00704 
00705 Note: must add -lasound to end of linkage */
00706 
00707 static int amixer_max(int devnum,char *param)
00708 {
00709 int   rv,type;
00710 char  str[100];
00711 snd_hctl_t *hctl;
00712 snd_ctl_elem_id_t *id;
00713 snd_hctl_elem_t *elem;
00714 snd_ctl_elem_info_t *info;
00715 
00716    sprintf(str,"hw:%d",devnum);
00717    if (snd_hctl_open(&hctl, str, 0)) return(-1);
00718    snd_hctl_load(hctl);
00719    snd_ctl_elem_id_alloca(&id);
00720    snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
00721    snd_ctl_elem_id_set_name(id, param);  
00722    elem = snd_hctl_find_elem(hctl, id);
00723    if (!elem)
00724    {
00725       snd_hctl_close(hctl);
00726       return(-1);
00727    }
00728    snd_ctl_elem_info_alloca(&info);
00729    snd_hctl_elem_info(elem,info);
00730    type = snd_ctl_elem_info_get_type(info);
00731    rv = 0;
00732    switch(type)
00733    {
00734        case SND_CTL_ELEM_TYPE_INTEGER:
00735       rv = snd_ctl_elem_info_get_max(info);
00736       break;
00737        case SND_CTL_ELEM_TYPE_BOOLEAN:
00738       rv = 1;
00739       break;
00740    }
00741    snd_hctl_close(hctl);
00742    return(rv);
00743 }
00744 
00745 /* Call with:  devnum: alsa major device number, param: ascii Formal
00746 Parameter Name, val1, first or only value, val2 second value, or 0 
00747 if only 1 value. Values: 0-99 (percent) or 0-1 for baboon.
00748 
00749 Note: must add -lasound to end of linkage */
00750 
00751 static int setamixer(int devnum,char *param, int v1, int v2)
00752 {
00753 int   type;
00754 char  str[100];
00755 snd_hctl_t *hctl;
00756 snd_ctl_elem_id_t *id;
00757 snd_ctl_elem_value_t *control;
00758 snd_hctl_elem_t *elem;
00759 snd_ctl_elem_info_t *info;
00760 
00761    sprintf(str,"hw:%d",devnum);
00762    if (snd_hctl_open(&hctl, str, 0)) return(-1);
00763    snd_hctl_load(hctl);
00764    snd_ctl_elem_id_alloca(&id);
00765    snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
00766    snd_ctl_elem_id_set_name(id, param);  
00767    elem = snd_hctl_find_elem(hctl, id);
00768    if (!elem)
00769    {
00770       snd_hctl_close(hctl);
00771       return(-1);
00772    }
00773    snd_ctl_elem_info_alloca(&info);
00774    snd_hctl_elem_info(elem,info);
00775    type = snd_ctl_elem_info_get_type(info);
00776    snd_ctl_elem_value_alloca(&control);
00777    snd_ctl_elem_value_set_id(control, id);    
00778    switch(type)
00779    {
00780        case SND_CTL_ELEM_TYPE_INTEGER:
00781       snd_ctl_elem_value_set_integer(control, 0, v1);
00782       if (v2 > 0) snd_ctl_elem_value_set_integer(control, 1, v2);
00783       break;
00784        case SND_CTL_ELEM_TYPE_BOOLEAN:
00785       snd_ctl_elem_value_set_integer(control, 0, (v1 != 0));
00786       break;
00787    }
00788    if (snd_hctl_elem_write(elem, control))
00789    {
00790       snd_hctl_close(hctl);
00791       return(-1);
00792    }
00793    snd_hctl_close(hctl);
00794    return(0);
00795 }
00796 
00797 static void hid_set_outputs(struct usb_dev_handle *handle,
00798          unsigned char *outputs)
00799 {
00800    usleep(1500);
00801    usb_control_msg(handle,
00802          USB_ENDPOINT_OUT + USB_TYPE_CLASS + USB_RECIP_INTERFACE,
00803          HID_REPORT_SET,
00804          0 + (HID_RT_OUTPUT << 8),
00805          C108_HID_INTERFACE,
00806          (char*)outputs, 4, 5000);
00807 }
00808 
00809 static void hid_get_inputs(struct usb_dev_handle *handle,
00810          unsigned char *inputs)
00811 {
00812    usleep(1500);
00813    usb_control_msg(handle,
00814          USB_ENDPOINT_IN + USB_TYPE_CLASS + USB_RECIP_INTERFACE,
00815          HID_REPORT_GET,
00816          0 + (HID_RT_INPUT << 8),
00817          C108_HID_INTERFACE,
00818          (char*)inputs, 4, 5000);
00819 }
00820 
00821 static unsigned short read_eeprom(struct usb_dev_handle *handle, int addr)
00822 {
00823    unsigned char buf[4];
00824 
00825    buf[0] = 0x80;
00826    buf[1] = 0;
00827    buf[2] = 0;
00828    buf[3] = 0x80 | (addr & 0x3f);
00829    hid_set_outputs(handle,buf);
00830    memset(buf,0,sizeof(buf));
00831    hid_get_inputs(handle,buf);
00832    return(buf[1] + (buf[2] << 8));
00833 }
00834 
00835 static void write_eeprom(struct usb_dev_handle *handle, int addr, 
00836    unsigned short data)
00837 {
00838 
00839    unsigned char buf[4];
00840 
00841    buf[0] = 0x80;
00842    buf[1] = data & 0xff;
00843    buf[2] = data >> 8;
00844    buf[3] = 0xc0 | (addr & 0x3f);
00845    hid_set_outputs(handle,buf);
00846 }
00847 
00848 static unsigned short get_eeprom(struct usb_dev_handle *handle,
00849    unsigned short *buf)
00850 {
00851 int   i;
00852 unsigned short cs;
00853 
00854    cs = 0xffff;
00855    for(i = EEPROM_START_ADDR; i < EEPROM_END_ADDR; i++)
00856    {
00857       cs += buf[i] = read_eeprom(handle,i);
00858    }
00859    return(cs);
00860 }
00861 
00862 static void put_eeprom(struct usb_dev_handle *handle,unsigned short *buf)
00863 {
00864 int   i;
00865 unsigned short cs;
00866 
00867    cs = 0xffff;
00868    buf[EEPROM_MAGIC_ADDR] = EEPROM_MAGIC;
00869    for(i = EEPROM_START_ADDR; i < EEPROM_CS_ADDR; i++)
00870    {
00871       write_eeprom(handle,i,buf[i]);
00872       cs += buf[i];
00873    }
00874    buf[EEPROM_CS_ADDR] = (65535 - cs) + 1;
00875    write_eeprom(handle,i,buf[EEPROM_CS_ADDR]);
00876 }
00877 
00878 static struct usb_device *hid_device_init(char *desired_device)
00879 {
00880     struct usb_bus *usb_bus;
00881     struct usb_device *dev;
00882     char devstr[200],str[200],desdev[200],*cp;
00883     int i;
00884     FILE *fp;
00885 
00886     usb_init();
00887     usb_find_busses();
00888     usb_find_devices();
00889     for (usb_bus = usb_busses;
00890          usb_bus;
00891          usb_bus = usb_bus->next) {
00892         for (dev = usb_bus->devices;
00893              dev;
00894              dev = dev->next) {
00895             if ((dev->descriptor.idVendor
00896                   == C108_VENDOR_ID) &&
00897                 (dev->descriptor.idProduct
00898                   == C108_PRODUCT_ID))
00899       {
00900                         sprintf(devstr,"%s/%s", usb_bus->dirname,dev->filename);
00901          for(i = 0; i < 32; i++)
00902          {
00903             sprintf(str,"/proc/asound/card%d/usbbus",i);
00904             fp = fopen(str,"r");
00905             if (!fp) continue;
00906             if ((!fgets(desdev,sizeof(desdev) - 1,fp)) || (!desdev[0]))
00907             {
00908                fclose(fp);
00909                continue;
00910             }
00911             fclose(fp);
00912             if (desdev[strlen(desdev) - 1] == '\n')
00913                   desdev[strlen(desdev) -1 ] = 0;
00914             if (strcasecmp(desdev,devstr)) continue;
00915             if (i) sprintf(str,"/sys/class/sound/dsp%d/device",i);
00916             else strcpy(str,"/sys/class/sound/dsp/device");
00917             memset(desdev,0,sizeof(desdev));
00918             if (readlink(str,desdev,sizeof(desdev) - 1) == -1)
00919             {
00920                sprintf(str,"/sys/class/sound/controlC%d/device",i);
00921                memset(desdev,0,sizeof(desdev));
00922                if (readlink(str,desdev,sizeof(desdev) - 1) == -1) continue;
00923             }
00924             cp = strrchr(desdev,'/');
00925             if (cp) *cp = 0; else continue;
00926             cp = strrchr(desdev,'/');
00927             if (!cp) continue;
00928             cp++;
00929             break;
00930          }
00931          if (i >= 32) continue;
00932                         if (!strcmp(cp,desired_device)) return dev;
00933       }
00934 
00935         }
00936     }
00937     return NULL;
00938 }
00939 
00940 static int hid_device_mklist(void)
00941 {
00942     struct usb_bus *usb_bus;
00943     struct usb_device *dev;
00944     char devstr[200],str[200],desdev[200],*cp;
00945     int i;
00946     FILE *fp;
00947 
00948     usb_device_list = ast_malloc(2);
00949     if (!usb_device_list) return -1;
00950     memset(usb_device_list,0,2);
00951 
00952     usb_init();
00953     usb_find_busses();
00954     usb_find_devices();
00955     for (usb_bus = usb_busses;
00956          usb_bus;
00957          usb_bus = usb_bus->next) {
00958         for (dev = usb_bus->devices;
00959              dev;
00960              dev = dev->next) {
00961             if ((dev->descriptor.idVendor
00962                   == C108_VENDOR_ID) &&
00963                 (dev->descriptor.idProduct
00964                   == C108_PRODUCT_ID))
00965       {
00966                         sprintf(devstr,"%s/%s", usb_bus->dirname,dev->filename);
00967          for(i = 0;i < 32; i++)
00968          {
00969             sprintf(str,"/proc/asound/card%d/usbbus",i);
00970             fp = fopen(str,"r");
00971             if (!fp) continue;
00972             if ((!fgets(desdev,sizeof(desdev) - 1,fp)) || (!desdev[0]))
00973             {
00974                fclose(fp);
00975                continue;
00976             }
00977             fclose(fp);
00978             if (desdev[strlen(desdev) - 1] == '\n')
00979                   desdev[strlen(desdev) -1 ] = 0;
00980             if (strcasecmp(desdev,devstr)) continue;
00981             if (i) sprintf(str,"/sys/class/sound/dsp%d/device",i);
00982             else strcpy(str,"/sys/class/sound/dsp/device");
00983             memset(desdev,0,sizeof(desdev));
00984             if (readlink(str,desdev,sizeof(desdev) - 1) == -1)
00985             {
00986                sprintf(str,"/sys/class/sound/controlC%d/device",i);
00987                memset(desdev,0,sizeof(desdev));
00988                if (readlink(str,desdev,sizeof(desdev) - 1) == -1) continue;
00989             }
00990             cp = strrchr(desdev,'/');
00991             if (cp) *cp = 0; else continue;
00992             cp = strrchr(desdev,'/');
00993             if (!cp) continue;
00994             cp++;
00995             break;
00996          }
00997          if (i >= 32) return -1;
00998          usb_device_list = ast_realloc(usb_device_list,
00999             usb_device_list_size + 2 +
01000                strlen(cp));
01001          if (!usb_device_list) return -1;
01002          usb_device_list_size += strlen(cp) + 2;
01003          i = 0;
01004          while(usb_device_list[i])
01005          {
01006             i += strlen(usb_device_list + i) + 1;
01007          }
01008          strcat(usb_device_list + i,cp);
01009          usb_device_list[strlen(cp) + i + 1] = 0;
01010       }
01011 
01012         }
01013     }
01014     return 0;
01015 }
01016 
01017 /* returns internal formatted string from external one */
01018 static int usb_get_usbdev(char *devstr)
01019 {
01020 int   i;
01021 char  str[200],desdev[200],*cp;
01022 
01023    for(i = 0;i < 32; i++)
01024    {
01025       if (i) sprintf(str,"/sys/class/sound/dsp%d/device",i);
01026       else strcpy(str,"/sys/class/sound/dsp/device");
01027       memset(desdev,0,sizeof(desdev));
01028       if (readlink(str,desdev,sizeof(desdev) - 1) == -1)
01029       {
01030          sprintf(str,"/sys/class/sound/controlC%d/device",i);
01031          memset(desdev,0,sizeof(desdev));
01032          if (readlink(str,desdev,sizeof(desdev) - 1) == -1) continue;
01033       }
01034       cp = strrchr(desdev,'/');
01035       if (cp) *cp = 0; else continue;
01036       cp = strrchr(desdev,'/');
01037       if (!cp) continue;
01038       cp++;
01039       if (!strcasecmp(cp,devstr)) break;
01040    }
01041    if (i >= 32) return -1;
01042    return i;
01043 
01044 }
01045 
01046 static int usb_list_check(char *devstr)
01047 {
01048 
01049 char *s = usb_device_list;
01050 
01051    if (!s) return(0);
01052    while(*s)
01053    {
01054       if (!strcasecmp(s,devstr)) return(1);
01055       s += strlen(s) + 1;
01056    }
01057    return(0);
01058 }
01059 
01060 
01061 static int  hidhdwconfig(struct chan_usbradio_pvt *o)
01062 {
01063    if(o->hdwtype==1)   //sphusb
01064    {
01065       o->hid_gpio_ctl      =  0x08; /* set GPIO4 to output mode */
01066       o->hid_gpio_ctl_loc  =  2;    /* For CTL of GPIO */
01067       o->hid_io_cor     =  4; /* GPIO3 is COR */
01068       o->hid_io_cor_loc =  1; /* GPIO3 is COR */
01069       o->hid_io_ctcss      =  2;    /* GPIO 2 is External CTCSS */
01070       o->hid_io_ctcss_loc =  1;  /* is GPIO 2 */
01071       o->hid_io_ptt     =  8;    /* GPIO 4 is PTT */
01072       o->hid_gpio_loc   =  1;    /* For ALL GPIO */
01073    }
01074    else if(o->hdwtype==0)  //dudeusb
01075    {
01076       o->hid_gpio_ctl      =  0x0c; /* set GPIO 3 & 4 to output mode */
01077       o->hid_gpio_ctl_loc  =  2;    /* For CTL of GPIO */
01078       o->hid_io_cor     =  2; /* VOLD DN is COR */
01079       o->hid_io_cor_loc =  0; /* VOL DN COR */
01080       o->hid_io_ctcss      =  2;    /* GPIO 2 is External CTCSS */
01081       o->hid_io_ctcss_loc =  1;  /* is GPIO 2 */
01082       o->hid_io_ptt     =  4;    /* GPIO 3 is PTT */
01083       o->hid_gpio_loc   =  1;    /* For ALL GPIO */
01084    }
01085    else if(o->hdwtype==3)  // custom version
01086    {
01087       o->hid_gpio_ctl      =  0x0c; /* set GPIO 3 & 4 to output mode */
01088       o->hid_gpio_ctl_loc  =  2;    /* For CTL of GPIO */
01089       o->hid_io_cor     =  2; /* VOLD DN is COR */
01090       o->hid_io_cor_loc =  0; /* VOL DN COR */
01091       o->hid_io_ctcss      =  2;    /* GPIO 2 is External CTCSS */
01092       o->hid_io_ctcss_loc =  1;  /* is GPIO 2 */
01093       o->hid_io_ptt     =  4;    /* GPIO 3 is PTT */
01094       o->hid_gpio_loc   =  1;    /* For ALL GPIO */
01095    }
01096 
01097    return 0;
01098 }
01099 /*
01100 */
01101 static void kickptt(struct chan_usbradio_pvt *o)
01102 {
01103    char c = 0;
01104    //printf("kickptt  %i  %i  %i\n",o->txkeyed,o->txchankey,o->txtestkey);
01105    if (!o) return;
01106    if (!o->pttkick) return;
01107    if (write(o->pttkick[1],&c,1) < 0) {
01108       ast_log(LOG_ERROR, "write() failed: %s\n", strerror(errno));
01109    }
01110 }
01111 /*
01112 */
01113 static void *hidthread(void *arg)
01114 {
01115    unsigned char buf[4],bufsave[4],keyed;
01116    char lastrx, txtmp;
01117    int res;
01118    struct usb_device *usb_dev;
01119    struct usb_dev_handle *usb_handle;
01120    struct chan_usbradio_pvt *o = (struct chan_usbradio_pvt *) arg;
01121    struct pollfd pfd = { .events = POLLIN };
01122 
01123    usb_dev = hid_device_init(o->devstr);
01124    if (usb_dev == NULL) {
01125       ast_log(LOG_ERROR,"USB HID device not found\n");
01126       pthread_exit(NULL);
01127    }
01128    usb_handle = usb_open(usb_dev);
01129    if (usb_handle == NULL) {
01130            ast_log(LOG_ERROR,"Not able to open USB device\n");
01131       pthread_exit(NULL);
01132    }
01133    if (usb_claim_interface(usb_handle,C108_HID_INTERFACE) < 0)
01134    {
01135        if (usb_detach_kernel_driver_np(usb_handle,C108_HID_INTERFACE) < 0) {
01136               ast_log(LOG_ERROR,"Not able to detach the USB device\n");
01137          pthread_exit(NULL);
01138       }
01139       if (usb_claim_interface(usb_handle,C108_HID_INTERFACE) < 0) {
01140               ast_log(LOG_ERROR,"Not able to claim the USB device\n");
01141          pthread_exit(NULL);
01142       }
01143    }
01144    memset(buf,0,sizeof(buf));
01145    buf[2] = o->hid_gpio_ctl;
01146    buf[1] = 0;
01147    hid_set_outputs(usb_handle,buf);
01148    memcpy(bufsave,buf,sizeof(buf));
01149    if (pipe(o->pttkick) == -1)
01150    {
01151        ast_log(LOG_ERROR,"Not able to create pipe\n");
01152       pthread_exit(NULL);
01153    }
01154    traceusb1(("hidthread: Starting normally on %s!!\n",o->name));
01155    lastrx = 0;
01156    // popen 
01157    while (!o->stophid) {
01158       pfd.fd = o->pttkick[0];
01159       pfd.revents = 0;
01160 
01161       res = ast_poll(&pfd, 1, 50);
01162       if (res < 0) {
01163          ast_log(LOG_WARNING, "poll() failed: %s\n", strerror(errno));
01164          usleep(10000);
01165          continue;
01166       }
01167       if (pfd.revents & POLLIN) {
01168          char c;
01169 
01170          if (read(o->pttkick[0], &c, 1) < 0) {
01171             ast_log(LOG_ERROR, "read() failed: %s\n", strerror(errno));
01172          }
01173       }
01174       if (o->wanteeprom) {
01175          ast_mutex_lock(&o->eepromlock);
01176          if (o->eepromctl == 1) { /* to read */
01177             /* if CS okay */
01178             if (!get_eeprom(usb_handle, o->eeprom)) {
01179                if (o->eeprom[EEPROM_MAGIC_ADDR] != EEPROM_MAGIC) {
01180                   ast_log(LOG_NOTICE, "UNSUCCESSFUL: EEPROM MAGIC NUMBER BAD on channel %s\n", o->name);
01181                } else {
01182                   o->rxmixerset = o->eeprom[EEPROM_RXMIXERSET];
01183                   o->txmixaset = o->eeprom[EEPROM_TXMIXASET];
01184                   o->txmixbset = o->eeprom[EEPROM_TXMIXBSET];
01185                   memcpy(&o->rxvoiceadj, &o->eeprom[EEPROM_RXVOICEADJ], sizeof(float));
01186                   memcpy(&o->rxctcssadj, &o->eeprom[EEPROM_RXCTCSSADJ], sizeof(float));
01187                   o->txctcssadj = o->eeprom[EEPROM_TXCTCSSADJ];
01188                   o->rxsquelchadj = o->eeprom[EEPROM_RXSQUELCHADJ];
01189                   ast_log(LOG_NOTICE,"EEPROM Loaded on channel %s\n",o->name);
01190                }
01191             } else {
01192                ast_log(LOG_NOTICE, "USB Adapter has no EEPROM installed or Checksum BAD on channel %s\n", o->name);
01193             }
01194             hid_set_outputs(usb_handle,bufsave);
01195          }
01196          if (o->eepromctl == 2) { /* to write */
01197             put_eeprom(usb_handle,o->eeprom);
01198             hid_set_outputs(usb_handle,bufsave);
01199             ast_log(LOG_NOTICE, "USB Parameters written to EEPROM on %s\n", o->name);
01200          }
01201          o->eepromctl = 0;
01202          ast_mutex_unlock(&o->eepromlock);
01203       }
01204       buf[o->hid_gpio_ctl_loc] = o->hid_gpio_ctl;
01205       hid_get_inputs(usb_handle,buf);
01206       keyed = !(buf[o->hid_io_cor_loc] & o->hid_io_cor);
01207       if (keyed != o->rxhidsq) {
01208          if (o->debuglevel) {
01209             printf("chan_usbradio() hidthread: update rxhidsq = %d\n", keyed);
01210          }
01211          o->rxhidsq=keyed;
01212       }
01213 
01214       /* if change in tx state as controlled by xpmr */
01215       txtmp = o->pmrChan->txPttOut;
01216 
01217       if (o->lasttx != txtmp) {
01218          o->pmrChan->txPttHid = o->lasttx = txtmp;
01219          if (o->debuglevel) {
01220             ast_debug(0, "hidthread: tx set to %d\n", txtmp);
01221          }
01222          buf[o->hid_gpio_loc] = 0;
01223          if (!o->invertptt) {
01224             if (txtmp) {
01225                buf[o->hid_gpio_loc] = o->hid_io_ptt;
01226             }
01227          } else {
01228             if (!txtmp) {
01229                buf[o->hid_gpio_loc] = o->hid_io_ptt;
01230             }
01231          }
01232          buf[o->hid_gpio_ctl_loc] = o->hid_gpio_ctl;
01233          memcpy(bufsave, buf, sizeof(buf));
01234          hid_set_outputs(usb_handle, buf);
01235       }
01236       time(&o->lasthidtime);
01237    }
01238    buf[o->hid_gpio_loc] = 0;
01239    if (o->invertptt) {
01240       buf[o->hid_gpio_loc] = o->hid_io_ptt;
01241    }
01242    buf[o->hid_gpio_ctl_loc] = o->hid_gpio_ctl;
01243    hid_set_outputs(usb_handle, buf);
01244    pthread_exit(0);
01245 }
01246 
01247 /*
01248  * returns a pointer to the descriptor with the given name
01249  */
01250 static struct chan_usbradio_pvt *find_desc(char *dev)
01251 {
01252    struct chan_usbradio_pvt *o = NULL;
01253 
01254    if (!dev)
01255       ast_log(LOG_WARNING, "null dev\n");
01256 
01257    for (o = usbradio_default.next; o && o->name && dev && strcmp(o->name, dev) != 0; o = o->next);
01258    if (!o)
01259    {
01260       ast_log(LOG_WARNING, "could not find <%s>\n", dev ? dev : "--no-device--");
01261    }
01262 
01263    return o;
01264 }
01265 
01266 static struct chan_usbradio_pvt *find_desc_usb(char *devstr)
01267 {
01268    struct chan_usbradio_pvt *o = NULL;
01269 
01270    if (!devstr)
01271       ast_log(LOG_WARNING, "null dev\n");
01272 
01273    for (o = usbradio_default.next; o && devstr && strcmp(o->devstr, devstr) != 0; o = o->next);
01274 
01275    return o;
01276 }
01277 
01278 /*
01279  * split a string in extension-context, returns pointers to malloc'ed
01280  * strings.
01281  * If we do not have 'overridecontext' then the last @ is considered as
01282  * a context separator, and the context is overridden.
01283  * This is usually not very necessary as you can play with the dialplan,
01284  * and it is nice not to need it because you have '@' in SIP addresses.
01285  * Return value is the buffer address.
01286  */
01287 #if   0
01288 static char *ast_ext_ctx(const char *src, char **ext, char **ctx)
01289 {
01290    struct chan_usbradio_pvt *o = find_desc(usbradio_active);
01291 
01292    if (ext == NULL || ctx == NULL)
01293       return NULL;         /* error */
01294 
01295    *ext = *ctx = NULL;
01296 
01297    if (src && *src != '\0')
01298       *ext = ast_strdup(src);
01299 
01300    if (*ext == NULL)
01301       return NULL;
01302 
01303    if (!o->overridecontext) {
01304       /* parse from the right */
01305       *ctx = strrchr(*ext, '@');
01306       if (*ctx)
01307          *(*ctx)++ = '\0';
01308    }
01309 
01310    return *ext;
01311 }
01312 #endif
01313 
01314 /*
01315  * Returns the number of blocks used in the audio output channel
01316  */
01317 static int used_blocks(struct chan_usbradio_pvt *o)
01318 {
01319    struct audio_buf_info info;
01320 
01321    if (ioctl(o->sounddev, SNDCTL_DSP_GETOSPACE, &info)) {
01322       if (!(o->warned & WARN_used_blocks)) {
01323          ast_log(LOG_WARNING, "Error reading output space\n");
01324          o->warned |= WARN_used_blocks;
01325       }
01326       return 1;
01327    }
01328 
01329    if (o->total_blocks == 0) {
01330       if (0)               /* debugging */
01331          ast_log(LOG_WARNING, "fragtotal %d size %d avail %d\n", info.fragstotal, info.fragsize, info.fragments);
01332       o->total_blocks = info.fragments;
01333    }
01334 
01335    return o->total_blocks - info.fragments;
01336 }
01337 
01338 /* Write an exactly FRAME_SIZE sized frame */
01339 static int soundcard_writeframe(struct chan_usbradio_pvt *o, short *data)
01340 {
01341    int res;
01342 
01343    if (o->sounddev < 0)
01344       setformat(o, O_RDWR);
01345    if (o->sounddev < 0)
01346       return 0;            /* not fatal */
01347    //  maw maw sph !!! may or may not be a good thing
01348    //  drop the frame if not transmitting, this keeps from gradually
01349    //  filling the buffer when asterisk clock > usb sound clock
01350    if(!o->pmrChan->txPttIn && !o->pmrChan->txPttOut)
01351    {
01352       //return 0;
01353    }
01354    /*
01355     * Nothing complex to manage the audio device queue.
01356     * If the buffer is full just drop the extra, otherwise write.
01357     * XXX in some cases it might be useful to write anyways after
01358     * a number of failures, to restart the output chain.
01359     */
01360    res = used_blocks(o);
01361    if (res > o->queuesize) {  /* no room to write a block */
01362        // ast_log(LOG_WARNING, "sound device write buffer overflow\n");
01363       if (o->w_errors++ == 0 && (usbradio_debug & 0x4))
01364          ast_log(LOG_WARNING, "write: used %d blocks (%d)\n", res, o->w_errors);
01365       return 0;
01366    }
01367    o->w_errors = 0;
01368 
01369    return write(o->sounddev, ((void *) data), FRAME_SIZE * 2 * 12);
01370 }
01371 
01372 #ifndef  NEW_ASTERISK
01373 
01374 /*
01375  * Handler for 'sound writable' events from the sound thread.
01376  * Builds a frame from the high level description of the sounds,
01377  * and passes it to the audio device.
01378  * The actual sound is made of 1 or more sequences of sound samples
01379  * (s->datalen, repeated to make s->samplen samples) followed by
01380  * s->silencelen samples of silence. The position in the sequence is stored
01381  * in o->sampsent, which goes between 0 .. s->samplen+s->silencelen.
01382  * In case we fail to write a frame, don't update o->sampsent.
01383  */
01384 static void send_sound(struct chan_usbradio_pvt *o)
01385 {
01386    short myframe[FRAME_SIZE];
01387    int ofs, l, start;
01388    int l_sampsent = o->sampsent;
01389    struct sound *s;
01390 
01391    if (o->cursound < 0)    /* no sound to send */
01392       return;
01393 
01394    s = &sounds[o->cursound];
01395 
01396    for (ofs = 0; ofs < FRAME_SIZE; ofs += l) {
01397       l = s->samplen - l_sampsent;  /* # of available samples */
01398       if (l > 0) {
01399          start = l_sampsent % s->datalen; /* source offset */
01400          if (l > FRAME_SIZE - ofs)  /* don't overflow the frame */
01401             l = FRAME_SIZE - ofs;
01402          if (l > s->datalen - start)   /* don't overflow the source */
01403             l = s->datalen - start;
01404          memmove(myframe + ofs, s->data + start, l * 2);
01405          if (0)
01406             ast_log(LOG_WARNING, "send_sound sound %d/%d of %d into %d\n", l_sampsent, l, s->samplen, ofs);
01407          l_sampsent += l;
01408       } else {          /* end of samples, maybe some silence */
01409          static const short silence[FRAME_SIZE] = { 0, };
01410 
01411          l += s->silencelen;
01412          if (l > 0) {
01413             if (l > FRAME_SIZE - ofs)
01414                l = FRAME_SIZE - ofs;
01415             memmove(myframe + ofs, silence, l * 2);
01416             l_sampsent += l;
01417          } else {       /* silence is over, restart sound if loop */
01418             if (s->repeat == 0) {   /* last block */
01419                o->cursound = -1;
01420                o->nosound = 0;   /* allow audio data */
01421                if (ofs < FRAME_SIZE)   /* pad with silence */
01422                   memmove(myframe + ofs, silence, (FRAME_SIZE - ofs) * 2);
01423             }
01424             l_sampsent = 0;
01425          }
01426       }
01427    }
01428    l = soundcard_writeframe(o, myframe);
01429    if (l > 0)
01430       o->sampsent = l_sampsent;  /* update status */
01431 }
01432 
01433 static void *sound_thread(void *arg)
01434 {
01435    char ign[4096];
01436    struct chan_usbradio_pvt *o = (struct chan_usbradio_pvt *) arg;
01437 
01438    /*
01439     * Just in case, kick the driver by trying to read from it.
01440     * Ignore errors - this read is almost guaranteed to fail.
01441     */
01442    read(o->sounddev, ign, sizeof(ign));
01443    for (;;) {
01444       struct pollfd pfd[2] = { { .fd = o->sndcmd[0], .events = POLLIN }, { .fd = o->sounddev } };
01445       int res;
01446 
01447       if (o->cursound > -1 && o->sounddev < 0) {
01448          setformat(o, O_RDWR);   /* need the channel, try to reopen */
01449       } else if (o->cursound == -1 && o->owner == NULL) {
01450          setformat(o, O_CLOSE);  /* can close */
01451       }
01452       if (o->sounddev > -1) {
01453          if (!o->owner) {  /* no one owns the audio, so we must drain it */
01454             pfd[1].events = POLLIN;
01455          }
01456          if (o->cursound > -1) {
01457             pfd[1].events |= POLLOUT;
01458          }
01459       }
01460       res = ast_poll(pfd, o->sounddev > -1 ? 2 : 1, -1);
01461       if (res < 1) {
01462          ast_log(LOG_WARNING, "poll failed: %s\n", strerror(errno));
01463          sleep(1);
01464          continue;
01465       }
01466       if (pfd[0].revents & POLLIN) {
01467          /* read which sound to play from the pipe */
01468          int i, what = -1;
01469 
01470          read(o->sndcmd[0], &what, sizeof(what));
01471          for (i = 0; sounds[i].ind != -1; i++) {
01472             if (sounds[i].ind == what) {
01473                o->cursound = i;
01474                o->sampsent = 0;
01475                o->nosound = 1;   /* block audio from pbx */
01476                break;
01477             }
01478          }
01479          if (sounds[i].ind == -1) {
01480             ast_log(LOG_WARNING, "invalid sound index: %d\n", what);
01481          }
01482       }
01483       if (o->sounddev > -1) {
01484          if (pfd[1].revents & POLLIN) { /* read and ignore errors */
01485             read(o->sounddev, ign, sizeof(ign)); 
01486          }
01487          if (pfd[1].revents & POLLOUT) {
01488             send_sound(o);
01489          }
01490       }
01491    }
01492    return NULL;            /* Never reached */
01493 }
01494 
01495 #endif
01496 
01497 /*
01498  * reset and close the device if opened,
01499  * then open and initialize it in the desired mode,
01500  * trigger reads and writes so we can start using it.
01501  */
01502 static int setformat(struct chan_usbradio_pvt *o, int mode)
01503 {
01504    int fmt, desired, res, fd;
01505    char device[100];
01506 
01507    if (o->sounddev >= 0) {
01508       ioctl(o->sounddev, SNDCTL_DSP_RESET, 0);
01509       close(o->sounddev);
01510       o->duplex = M_UNSET;
01511       o->sounddev = -1;
01512    }
01513    if (mode == O_CLOSE)    /* we are done */
01514       return 0;
01515    o->lastopen = ast_tvnow();
01516    strcpy(device,"/dev/dsp");
01517    if (o->devicenum)
01518       sprintf(device,"/dev/dsp%d",o->devicenum);
01519    fd = o->sounddev = open(device, mode | O_NONBLOCK);
01520    if (fd < 0) {
01521       ast_log(LOG_WARNING, "Unable to re-open DSP device %d: %s\n", o->devicenum, strerror(errno));
01522       return -1;
01523    }
01524    if (o->owner)
01525       o->owner->fds[0] = fd;
01526 
01527 #if __BYTE_ORDER == __LITTLE_ENDIAN
01528    fmt = AFMT_S16_LE;
01529 #else
01530    fmt = AFMT_S16_BE;
01531 #endif
01532    res = ioctl(fd, SNDCTL_DSP_SETFMT, &fmt);
01533    if (res < 0) {
01534       ast_log(LOG_WARNING, "Unable to set format to 16-bit signed\n");
01535       return -1;
01536    }
01537    switch (mode) {
01538       case O_RDWR:
01539          res = ioctl(fd, SNDCTL_DSP_SETDUPLEX, 0);
01540          /* Check to see if duplex set (FreeBSD Bug) */
01541          res = ioctl(fd, SNDCTL_DSP_GETCAPS, &fmt);
01542          if (res == 0 && (fmt & DSP_CAP_DUPLEX)) {
01543             if (option_verbose > 1)
01544                ast_verbose(VERBOSE_PREFIX_2 "Console is full duplex\n");
01545             o->duplex = M_FULL;
01546          };
01547          break;
01548       case O_WRONLY:
01549          o->duplex = M_WRITE;
01550          break;
01551       case O_RDONLY:
01552          o->duplex = M_READ;
01553          break;
01554    }
01555 
01556    fmt = 1;
01557    res = ioctl(fd, SNDCTL_DSP_STEREO, &fmt);
01558    if (res < 0) {
01559       ast_log(LOG_WARNING, "Failed to set audio device to mono\n");
01560       return -1;
01561    }
01562    fmt = desired = 48000;                    /* 8000 Hz desired */
01563    res = ioctl(fd, SNDCTL_DSP_SPEED, &fmt);
01564 
01565    if (res < 0) {
01566       ast_log(LOG_WARNING, "Failed to set audio device to mono\n");
01567       return -1;
01568    }
01569    if (fmt != desired) {
01570       if (!(o->warned & WARN_speed)) {
01571          ast_log(LOG_WARNING,
01572              "Requested %d Hz, got %d Hz -- sound may be choppy\n",
01573              desired, fmt);
01574          o->warned |= WARN_speed;
01575       }
01576    }
01577    /*
01578     * on Freebsd, SETFRAGMENT does not work very well on some cards.
01579     * Default to use 256 bytes, let the user override
01580     */
01581    if (o->frags) {
01582       fmt = o->frags;
01583       res = ioctl(fd, SNDCTL_DSP_SETFRAGMENT, &fmt);
01584       if (res < 0) {
01585          if (!(o->warned & WARN_frag)) {
01586             ast_log(LOG_WARNING,
01587                "Unable to set fragment size -- sound may be choppy\n");
01588             o->warned |= WARN_frag;
01589          }
01590       }
01591    }
01592    /* on some cards, we need SNDCTL_DSP_SETTRIGGER to start outputting */
01593    res = PCM_ENABLE_INPUT | PCM_ENABLE_OUTPUT;
01594    res = ioctl(fd, SNDCTL_DSP_SETTRIGGER, &res);
01595    /* it may fail if we are in half duplex, never mind */
01596    return 0;
01597 }
01598 
01599 /*
01600  * some of the standard methods supported by channels.
01601  */
01602 static int usbradio_digit_begin(struct ast_channel *c, char digit)
01603 {
01604    return 0;
01605 }
01606 
01607 static int usbradio_digit_end(struct ast_channel *c, char digit, unsigned int duration)
01608 {
01609    /* no better use for received digits than print them */
01610    ast_verbose(" << Console Received digit %c of duration %u ms >> \n", 
01611       digit, duration);
01612    return 0;
01613 }
01614 /*
01615    SETFREQ - sets spi programmable xcvr
01616    SETCHAN - sets binary parallel xcvr
01617 */
01618 static int usbradio_text(struct ast_channel *c, const char *text)
01619 {
01620    struct chan_usbradio_pvt *o = find_desc(usbradio_active);
01621    double tx,rx;
01622    char cnt,rxs[16],txs[16],txpl[16],rxpl[16];
01623    char pwr,*cmd;
01624 
01625    cmd = alloca(strlen(text) + 10);
01626 
01627    /* print received messages */
01628    if(o->debuglevel)ast_verbose(" << Console Received usbradio text %s >> \n", text);
01629 
01630    cnt = sscanf(text, "%300s %15s %15s %15s %15s %1c", cmd, rxs, txs, rxpl, txpl, &pwr);
01631 
01632    if (strcmp(cmd,"SETCHAN")==0)
01633     { 
01634       u8 chan;
01635       chan=strtod(rxs,NULL);
01636       ppbinout(chan);
01637         if(o->debuglevel)ast_log(LOG_NOTICE,"parse usbradio SETCHAN cmd: %s chan: %i\n",text,chan);
01638         return 0;
01639     }
01640    
01641     if (cnt < 6)
01642     {
01643        ast_log(LOG_ERROR,"Cannot parse usbradio text: %s\n",text);
01644        return 0;
01645     }
01646    else
01647    {
01648       if(o->debuglevel)ast_verbose(" << %s %s %s %s %s %c >> \n", cmd,rxs,txs,rxpl,txpl,pwr);   
01649    }
01650     
01651     if (strcmp(cmd,"SETFREQ")==0)
01652     {
01653         if(o->debuglevel)ast_log(LOG_NOTICE,"parse usbradio SETFREQ cmd: %s\n",text);
01654       tx=strtod(txs,NULL);
01655       rx=strtod(rxs,NULL);
01656       o->set_txfreq = round(tx * (double)1000000);
01657       o->set_rxfreq = round(rx * (double)1000000);
01658       o->pmrChan->txpower = (pwr == 'H');
01659       strcpy(o->set_rxctcssfreqs,rxpl);
01660       strcpy(o->set_txctcssfreqs,txpl);
01661    
01662       o->b.remoted=1;
01663       xpmr_config(o);
01664         return 0;
01665     }
01666    ast_log(LOG_ERROR,"Cannot parse usbradio cmd: %s\n",text);
01667    return 0;
01668 }
01669 
01670 /* Play ringtone 'x' on device 'o' */
01671 static void ring(struct chan_usbradio_pvt *o, int x)
01672 {
01673 #ifndef  NEW_ASTERISK
01674    write(o->sndcmd[1], &x, sizeof(x));
01675 #endif
01676 }
01677 
01678 /*
01679  * handler for incoming calls. Either autoanswer, or start ringing
01680  */
01681 static int usbradio_call(struct ast_channel *c, char *dest, int timeout)
01682 {
01683    struct chan_usbradio_pvt *o = c->tech_pvt;
01684 
01685    o->stophid = 0;
01686    time(&o->lasthidtime);
01687    ast_pthread_create_background(&o->hidthread, NULL, hidthread, o);
01688    ast_setstate(c, AST_STATE_UP);
01689    return 0;
01690 }
01691 
01692 /*
01693  * remote side answered the phone
01694  */
01695 static int usbradio_answer(struct ast_channel *c)
01696 {
01697 #ifndef  NEW_ASTERISK
01698    struct chan_usbradio_pvt *o = c->tech_pvt;
01699 #endif
01700 
01701    ast_setstate(c, AST_STATE_UP);
01702 #ifndef  NEW_ASTERISK
01703    o->cursound = -1;
01704    o->nosound = 0;
01705 #endif
01706    return 0;
01707 }
01708 
01709 static int usbradio_hangup(struct ast_channel *c)
01710 {
01711    struct chan_usbradio_pvt *o = c->tech_pvt;
01712 
01713    //ast_log(LOG_NOTICE, "usbradio_hangup()\n");
01714 #ifndef  NEW_ASTERISK
01715    o->cursound = -1;
01716    o->nosound = 0;
01717 #endif
01718    c->tech_pvt = NULL;
01719    o->owner = NULL;
01720    ast_module_unref(ast_module_info->self);
01721    if (o->hookstate) {
01722       if (o->autoanswer || o->autohangup) {
01723          /* Assume auto-hangup too */
01724          o->hookstate = 0;
01725          setformat(o, O_CLOSE);
01726       } else {
01727          /* Make congestion noise */
01728          ring(o, AST_CONTROL_CONGESTION);
01729       }
01730    }
01731    o->stophid = 1;
01732    pthread_join(o->hidthread,NULL);
01733    return 0;
01734 }
01735 
01736 
01737 /* used for data coming from the network */
01738 static int usbradio_write(struct ast_channel *c, struct ast_frame *f)
01739 {
01740    struct chan_usbradio_pvt *o = c->tech_pvt;
01741 
01742    traceusb2(("usbradio_write() o->nosound= %i\n",o->nosound));
01743 
01744 #ifndef  NEW_ASTERISK
01745    /* Immediately return if no sound is enabled */
01746    if (o->nosound)
01747       return 0;
01748    /* Stop any currently playing sound */
01749    o->cursound = -1;
01750 #endif
01751    /*
01752     * we could receive a block which is not a multiple of our
01753     * FRAME_SIZE, so buffer it locally and write to the device
01754     * in FRAME_SIZE chunks.
01755     * Keep the residue stored for future use.
01756     */
01757 
01758    #if DEBUG_CAPTURES == 1 // to write input data to a file   datalen=320
01759    if (ftxcapraw && o->b.txcapraw)
01760    {
01761       i16 i, tbuff[f->datalen];
01762       for(i=0;i<f->datalen;i+=2)
01763       {
01764          tbuff[i]= ((i16*)(f->data.ptr))[i/2];
01765          tbuff[i+1]= o->txkeyed*M_Q13;
01766       }
01767       if (fwrite(tbuff,2,f->datalen,ftxcapraw) != f->datalen) {
01768          ast_log(LOG_ERROR, "write() failed: %s\n", strerror(errno));
01769       }
01770       //fwrite(f->data,1,f->datalen,ftxcapraw);
01771    }
01772    #endif
01773 
01774    // maw just take the data from the network and save it for PmrRx processing
01775 
01776    PmrTx(o->pmrChan,(i16*)f->data.ptr);
01777    
01778    return 0;
01779 }
01780 
01781 static struct ast_frame *usbradio_read(struct ast_channel *c)
01782 {
01783    int res, src, datalen, oldpttout;
01784    int cd,sd;
01785    struct chan_usbradio_pvt *o = c->tech_pvt;
01786    struct ast_frame *f = &o->read_f,*f1;
01787    struct ast_frame wf = { AST_FRAME_CONTROL };
01788    time_t now;
01789 
01790    traceusb2(("usbradio_read()\n"));
01791 
01792    if (o->lasthidtime)
01793    {
01794       time(&now);
01795       if ((now - o->lasthidtime) > 3)
01796       {
01797          ast_log(LOG_ERROR,"HID process has died or something!!\n");
01798          return NULL;
01799       }
01800    }
01801    /* XXX can be simplified returning &ast_null_frame */
01802    /* prepare a NULL frame in case we don't have enough data to return */
01803    memset(f, '\0', sizeof(struct ast_frame));
01804    f->frametype = AST_FRAME_NULL;
01805    f->src = usbradio_tech.type;
01806 
01807    res = read(o->sounddev, o->usbradio_read_buf + o->readpos, 
01808       sizeof(o->usbradio_read_buf) - o->readpos);
01809    if (res < 0)            /* audio data not ready, return a NULL frame */
01810    {
01811       if (errno != EAGAIN) return NULL;
01812       if (o->readerrs++ > READERR_THRESHOLD)
01813       {
01814          ast_log(LOG_ERROR,"Stuck USB read channel [%s], un-sticking it!\n",o->name);
01815          o->readerrs = 0;
01816          return NULL;
01817       }
01818       if (o->readerrs == 1) 
01819          ast_log(LOG_WARNING,"Possibly stuck USB read channel. [%s]\n",o->name);
01820       return f;
01821    }
01822    if (o->readerrs) ast_log(LOG_WARNING,"Nope, USB read channel [%s] wasn't stuck after all.\n",o->name);
01823    o->readerrs = 0;
01824    o->readpos += res;
01825    if (o->readpos < sizeof(o->usbradio_read_buf))  /* not enough samples */
01826       return f;
01827 
01828    if (o->mute)
01829       return f;
01830 
01831    #if DEBUG_CAPTURES == 1
01832    if ((o->b.rxcapraw && frxcapraw) && (fwrite((o->usbradio_read_buf + AST_FRIENDLY_OFFSET),1,FRAME_SIZE * 2 * 2 * 6,frxcapraw) != FRAME_SIZE * 2 * 2 * 6)) {
01833       ast_log(LOG_ERROR, "fwrite() failed: %s\n", strerror(errno));
01834    }
01835    #endif
01836 
01837    #if 1
01838    if(o->txkeyed||o->txtestkey)
01839    {
01840       if(!o->pmrChan->txPttIn)
01841       {
01842          o->pmrChan->txPttIn=1;
01843          if(o->debuglevel) ast_log(LOG_NOTICE,"txPttIn = %i, chan %s\n",o->pmrChan->txPttIn,o->owner->name);
01844       }
01845    }
01846    else if(o->pmrChan->txPttIn)
01847    {
01848       o->pmrChan->txPttIn=0;
01849       if(o->debuglevel) ast_log(LOG_NOTICE,"txPttIn = %i, chan %s\n",o->pmrChan->txPttIn,o->owner->name);
01850    }
01851    oldpttout = o->pmrChan->txPttOut;
01852 
01853    PmrRx(         o->pmrChan, 
01854          (i16 *)(o->usbradio_read_buf + AST_FRIENDLY_OFFSET),
01855          (i16 *)(o->usbradio_read_buf_8k + AST_FRIENDLY_OFFSET),
01856          (i16 *)(o->usbradio_write_buf_1));
01857 
01858    if (oldpttout != o->pmrChan->txPttOut)
01859    {
01860       if(o->debuglevel) ast_log(LOG_NOTICE,"txPttOut = %i, chan %s\n",o->pmrChan->txPttOut,o->owner->name);
01861       kickptt(o);
01862    }
01863 
01864    #if 0 // to write 48KS/s stereo tx data to a file
01865    if (!ftxoutraw) ftxoutraw = fopen(TX_CAP_OUT_FILE,"w");
01866    if (ftxoutraw) fwrite(o->usbradio_write_buf_1,1,FRAME_SIZE * 2 * 6,ftxoutraw);
01867    #endif
01868 
01869    #if DEBUG_CAPTURES == 1 && XPMR_DEBUG0 == 1
01870     if ((o->b.txcap2 && ftxcaptrace) && (fwrite((o->pmrChan->ptxDebug),1,FRAME_SIZE * 2 * 16,ftxcaptrace) != FRAME_SIZE * 2 * 16)) {
01871       ast_log(LOG_ERROR, "fwrite() failed: %s\n", strerror(errno));
01872    }
01873    #endif
01874    
01875    // 160 samples * 2 bytes/sample * 2 chan * 6x oversampling to 48KS/s
01876    datalen = FRAME_SIZE * 24;  
01877    src = 0;             /* read position into f->data */
01878    while (src < datalen) 
01879    {
01880       /* Compute spare room in the buffer */
01881       int l = sizeof(o->usbradio_write_buf) - o->usbradio_write_dst;
01882 
01883       if (datalen - src >= l) 
01884       {  
01885          /* enough to fill a frame */
01886          memcpy(o->usbradio_write_buf + o->usbradio_write_dst, o->usbradio_write_buf_1 + src, l);
01887          soundcard_writeframe(o, (short *) o->usbradio_write_buf);
01888          src += l;
01889          o->usbradio_write_dst = 0;
01890       } 
01891       else 
01892       {           
01893          /* copy residue */
01894          l = datalen - src;
01895          memcpy(o->usbradio_write_buf + o->usbradio_write_dst, o->usbradio_write_buf_1 + src, l);
01896          src += l;         /* but really, we are done */
01897          o->usbradio_write_dst += l;
01898       }
01899    }
01900    #else
01901    static FILE *hInput;
01902    i16 iBuff[FRAME_SIZE*2*6];
01903 
01904    o->pmrChan->b.rxCapture=1;
01905 
01906    if(!hInput)
01907    {
01908       hInput  = fopen("/usr/src/xpmr/testdata/rx_in.pcm","r");
01909       if(!hInput)
01910       {
01911          printf(" Input Data File Not Found.\n");
01912          return 0;
01913       }
01914    }
01915 
01916    if(0==fread((void *)iBuff,2,FRAME_SIZE*2*6,hInput))exit;
01917 
01918    PmrRx(  o->pmrChan, 
01919          (i16 *)iBuff,
01920          (i16 *)(o->usbradio_read_buf_8k + AST_FRIENDLY_OFFSET));
01921 
01922    #endif
01923 
01924    #if 0
01925    if (!frxoutraw) frxoutraw = fopen(RX_CAP_OUT_FILE,"w");
01926     if (frxoutraw) fwrite((o->usbradio_read_buf_8k + AST_FRIENDLY_OFFSET),1,FRAME_SIZE * 2,frxoutraw);
01927    #endif
01928 
01929    #if DEBUG_CAPTURES == 1 && XPMR_DEBUG0 == 1
01930     if ((frxcaptrace && o->b.rxcap2 && o->pmrChan->b.radioactive) && (fwrite((o->pmrChan->prxDebug),1,FRAME_SIZE * 2 * 16,frxcaptrace) != FRAME_SIZE * 2 * 16 )) {
01931       ast_log(LOG_ERROR, "fwrite() failed: %s\n", strerror(errno));
01932    }
01933    #endif
01934 
01935    cd = 0;
01936    if(o->rxcdtype==CD_HID && (o->pmrChan->rxExtCarrierDetect!=o->rxhidsq))
01937       o->pmrChan->rxExtCarrierDetect=o->rxhidsq;
01938    
01939    if(o->rxcdtype==CD_HID_INVERT && (o->pmrChan->rxExtCarrierDetect==o->rxhidsq))
01940       o->pmrChan->rxExtCarrierDetect=!o->rxhidsq;
01941       
01942    if( (o->rxcdtype==CD_HID        && o->rxhidsq)                  ||
01943       (o->rxcdtype==CD_HID_INVERT && !o->rxhidsq)                 ||
01944       (o->rxcdtype==CD_XPMR_NOISE && o->pmrChan->rxCarrierDetect) ||
01945       (o->rxcdtype==CD_XPMR_VOX   && o->pmrChan->rxCarrierDetect)
01946      )
01947    {
01948       if (!o->pmrChan->txPttOut || o->radioduplex)cd=1;  
01949    }
01950    else
01951    {
01952       cd=0;
01953    }
01954 
01955    if(cd!=o->rxcarrierdetect)
01956    {
01957       o->rxcarrierdetect=cd;
01958       if(o->debuglevel) ast_log(LOG_NOTICE,"rxcarrierdetect = %i, chan %s\n",cd,o->owner->name);
01959       // printf("rxcarrierdetect = %i, chan %s\n",res,o->owner->name);
01960    }
01961 
01962    if(o->pmrChan->b.ctcssRxEnable && o->pmrChan->rxCtcss->decode!=o->rxctcssdecode)
01963    {
01964       if(o->debuglevel)ast_log(LOG_NOTICE,"rxctcssdecode = %i, chan %s\n",o->pmrChan->rxCtcss->decode,o->owner->name);
01965       // printf("rxctcssdecode = %i, chan %s\n",o->pmrChan->rxCtcss->decode,o->owner->name);
01966       o->rxctcssdecode=o->pmrChan->rxCtcss->decode;
01967       strcpy(o->rxctcssfreq, o->pmrChan->rxctcssfreq);
01968    }
01969 
01970    #ifndef HAVE_XPMRX
01971    if(  !o->pmrChan->b.ctcssRxEnable ||
01972       ( o->pmrChan->b.ctcssRxEnable && 
01973          o->pmrChan->rxCtcss->decode>CTCSS_NULL && 
01974          o->pmrChan->smode==SMODE_CTCSS )  
01975    )
01976    {
01977       sd=1; 
01978    }
01979    else
01980    {
01981       sd=0;
01982    }
01983    #else
01984    if( (!o->pmrChan->b.ctcssRxEnable && !o->pmrChan->b.dcsRxEnable && !o->pmrChan->b.lmrRxEnable) ||
01985       ( o->pmrChan->b.ctcssRxEnable && 
01986          o->pmrChan->rxCtcss->decode>CTCSS_NULL && 
01987          o->pmrChan->smode==SMODE_CTCSS ) ||
01988       ( o->pmrChan->b.dcsRxEnable && 
01989          o->pmrChan->decDcs->decode > 0 &&
01990          o->pmrChan->smode==SMODE_DCS )
01991    )
01992    {
01993       sd=1; 
01994    }
01995    else
01996    {
01997       sd=0;
01998    }
01999 
02000    if(o->pmrChan->decDcs->decode!=o->rxdcsdecode)
02001    {                                      
02002       if(o->debuglevel)ast_log(LOG_NOTICE,"rxdcsdecode = %s, chan %s\n",o->pmrChan->rxctcssfreq,o->owner->name);
02003       // printf("rxctcssdecode = %i, chan %s\n",o->pmrChan->rxCtcss->decode,o->owner->name);
02004       o->rxdcsdecode=o->pmrChan->decDcs->decode;
02005       strcpy(o->rxctcssfreq, o->pmrChan->rxctcssfreq);
02006    }                                                                      
02007 
02008    if(o->pmrChan->rptnum && (o->pmrChan->pLsdCtl->cs[o->pmrChan->rptnum].b.rxkeyed != o->rxlsddecode))
02009    {                       
02010       if(o->debuglevel)ast_log(LOG_NOTICE,"rxLSDecode = %s, chan %s\n",o->pmrChan->rxctcssfreq,o->owner->name);
02011       o->rxlsddecode=o->pmrChan->pLsdCtl->cs[o->pmrChan->rptnum].b.rxkeyed;
02012       strcpy(o->rxctcssfreq, o->pmrChan->rxctcssfreq);
02013    }
02014 
02015    if( (o->pmrChan->rptnum>0 && o->pmrChan->smode==SMODE_LSD && o->pmrChan->pLsdCtl->cs[o->pmrChan->rptnum].b.rxkeyed)||
02016        (o->pmrChan->smode==SMODE_DCS && o->pmrChan->decDcs->decode>0) )
02017    {
02018       sd=1;
02019    }
02020    #endif
02021 
02022    if ( cd && sd )
02023    {
02024       //if(!o->rxkeyed)o->pmrChan->dd.b.doitnow=1;
02025       if(!o->rxkeyed && o->debuglevel)ast_log(LOG_NOTICE,"o->rxkeyed = 1, chan %s\n", o->owner->name);
02026       o->rxkeyed = 1;
02027    }
02028    else 
02029    {
02030       //if(o->rxkeyed)o->pmrChan->dd.b.doitnow=1;
02031       if(o->rxkeyed && o->debuglevel)ast_log(LOG_NOTICE,"o->rxkeyed = 0, chan %s\n",o->owner->name);
02032       o->rxkeyed = 0;
02033    }
02034 
02035    // provide rx signal detect conditions
02036    if (o->lastrx && (!o->rxkeyed))
02037    {
02038       o->lastrx = 0;
02039       //printf("AST_CONTROL_RADIO_UNKEY\n");
02040       wf.subclass = AST_CONTROL_RADIO_UNKEY;
02041       ast_queue_frame(o->owner, &wf);
02042    }
02043    else if ((!o->lastrx) && (o->rxkeyed))
02044    {
02045       o->lastrx = 1;
02046       //printf("AST_CONTROL_RADIO_KEY\n");
02047       wf.subclass = AST_CONTROL_RADIO_KEY;
02048       if(o->rxctcssdecode)    
02049         {
02050            wf.data.ptr = o->rxctcssfreq;
02051            wf.datalen = strlen(o->rxctcssfreq) + 1;
02052          TRACEO(1,("AST_CONTROL_RADIO_KEY text=%s\n",o->rxctcssfreq));
02053         }
02054       ast_queue_frame(o->owner, &wf);
02055    }
02056 
02057    o->readpos = AST_FRIENDLY_OFFSET;   /* reset read pointer for next frame */
02058    if (c->_state != AST_STATE_UP)   /* drop data if frame is not up */
02059       return f;
02060    /* ok we can build and deliver the frame to the caller */
02061    f->frametype = AST_FRAME_VOICE;
02062    f->subclass = AST_FORMAT_SLINEAR;
02063    f->samples = FRAME_SIZE;
02064    f->datalen = FRAME_SIZE * 2;
02065    f->data.ptr = o->usbradio_read_buf_8k + AST_FRIENDLY_OFFSET;
02066    if (o->boost != BOOST_SCALE) {   /* scale and clip values */
02067       int i, x;
02068       int16_t *p = (int16_t *) f->data.ptr;
02069       for (i = 0; i < f->samples; i++) {
02070          x = (p[i] * o->boost) / BOOST_SCALE;
02071          if (x > 32767)
02072             x = 32767;
02073          else if (x < -32768)
02074             x = -32768;
02075          p[i] = x;
02076       }
02077    }
02078 
02079    f->offset = AST_FRIENDLY_OFFSET;
02080    if (o->dsp)
02081    {
02082        f1 = ast_dsp_process(c,o->dsp,f);
02083        if ((f1->frametype == AST_FRAME_DTMF_END) ||
02084          (f1->frametype == AST_FRAME_DTMF_BEGIN))
02085        {
02086       if ((f1->subclass == 'm') || (f1->subclass == 'u'))
02087       {
02088          f1->frametype = AST_FRAME_NULL;
02089          f1->subclass = 0;
02090          return(f1);
02091       }
02092       if (f1->frametype == AST_FRAME_DTMF_END)
02093          ast_log(LOG_NOTICE,"Got DTMF char %c\n",f1->subclass);
02094       return(f1);
02095        }
02096    }
02097    return f;
02098 }
02099 
02100 static int usbradio_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
02101 {
02102    struct chan_usbradio_pvt *o = newchan->tech_pvt;
02103    ast_log(LOG_WARNING,"usbradio_fixup()\n");
02104    o->owner = newchan;
02105    return 0;
02106 }
02107 
02108 static int usbradio_indicate(struct ast_channel *c, int cond, const void *data, size_t datalen)
02109 {
02110    struct chan_usbradio_pvt *o = c->tech_pvt;
02111    int res = -1;
02112 
02113    switch (cond) {
02114       case AST_CONTROL_BUSY:
02115       case AST_CONTROL_CONGESTION:
02116       case AST_CONTROL_RINGING:
02117          res = cond;
02118          break;
02119 
02120       case -1:
02121 #ifndef  NEW_ASTERISK
02122          o->cursound = -1;
02123          o->nosound = 0;      /* when cursound is -1 nosound must be 0 */
02124 #endif
02125          return 0;
02126 
02127       case AST_CONTROL_VIDUPDATE:
02128          res = -1;
02129          break;
02130       case AST_CONTROL_HOLD:
02131          ast_verbose(" << Console Has Been Placed on Hold >> \n");
02132          ast_moh_start(c, data, o->mohinterpret);
02133          break;
02134       case AST_CONTROL_UNHOLD:
02135          ast_verbose(" << Console Has Been Retrieved from Hold >> \n");
02136          ast_moh_stop(c);
02137          break;
02138       case AST_CONTROL_PROCEEDING:
02139          ast_verbose(" << Call Proceeding... >> \n");
02140          ast_moh_stop(c);
02141          break;
02142       case AST_CONTROL_PROGRESS:
02143          ast_verbose(" << Call Progress... >> \n");
02144          ast_moh_stop(c);
02145          break;
02146       case AST_CONTROL_RADIO_KEY:
02147          o->txkeyed = 1;
02148          if(o->debuglevel)ast_verbose(" << AST_CONTROL_RADIO_KEY Radio Transmit On. >> \n");
02149          break;
02150       case AST_CONTROL_RADIO_UNKEY:
02151          o->txkeyed = 0;
02152          if(o->debuglevel)ast_verbose(" << AST_CONTROL_RADIO_UNKEY Radio Transmit Off. >> \n");
02153          break;
02154       default:
02155          ast_log(LOG_WARNING, "Don't know how to display condition %d on %s\n", cond, c->name);
02156          return -1;
02157    }
02158 
02159    if (res > -1)
02160       ring(o, res);
02161 
02162    return 0;
02163 }
02164 
02165 /*
02166  * allocate a new channel.
02167  */
02168 static struct ast_channel *usbradio_new(struct chan_usbradio_pvt *o, char *ext, char *ctx, int state)
02169 {
02170    struct ast_channel *c;
02171 
02172    c = ast_channel_alloc(1, state, o->cid_num, o->cid_name, "", ext, ctx, 0, "Radio/%s", o->name);
02173    if (c == NULL)
02174       return NULL;
02175    c->tech = &usbradio_tech;
02176    if (o->sounddev < 0)
02177       setformat(o, O_RDWR);
02178    c->fds[0] = o->sounddev;   /* -1 if device closed, override later */
02179    c->nativeformats = AST_FORMAT_SLINEAR;
02180    c->readformat = AST_FORMAT_SLINEAR;
02181    c->writeformat = AST_FORMAT_SLINEAR;
02182    c->tech_pvt = o;
02183 
02184    if (!ast_strlen_zero(o->language))
02185       ast_string_field_set(c, language, o->language);
02186    /* Don't use ast_set_callerid() here because it will
02187     * generate a needless NewCallerID event */
02188    c->cid.cid_num = ast_strdup(o->cid_num);
02189    c->cid.cid_ani = ast_strdup(o->cid_num);
02190    c->cid.cid_name = ast_strdup(o->cid_name);
02191    if (!ast_strlen_zero(ext))
02192       c->cid.cid_dnid = ast_strdup(ext);
02193 
02194    o->owner = c;
02195    ast_module_ref(ast_module_info->self);
02196    ast_jb_configure(c, &global_jbconf);
02197    if (state != AST_STATE_DOWN) {
02198       if (ast_pbx_start(c)) {
02199          ast_log(LOG_WARNING, "Unable to start PBX on %s\n", c->name);
02200          ast_hangup(c);
02201          o->owner = c = NULL;
02202          /* XXX what about the channel itself ? */
02203          /* XXX what about usecnt ? */
02204       }
02205    }
02206 
02207    return c;
02208 }
02209 /*
02210 */
02211 static struct ast_channel *usbradio_request(const char *type, int format, void *data, int *cause)
02212 {
02213    struct ast_channel *c;
02214    struct chan_usbradio_pvt *o = find_desc(data);
02215 
02216    TRACEO(1,("usbradio_request()\n"));
02217 
02218    if (0)
02219    {
02220       ast_log(LOG_WARNING, "usbradio_request type <%s> data 0x%p <%s>\n", type, data, (char *) data);
02221    }
02222    if (o == NULL) {
02223       ast_log(LOG_NOTICE, "Device %s not found\n", (char *) data);
02224       /* XXX we could default to 'dsp' perhaps ? */
02225       return NULL;
02226    }
02227    if ((format & AST_FORMAT_SLINEAR) == 0) {
02228       ast_log(LOG_NOTICE, "Format 0x%x unsupported\n", format);
02229       return NULL;
02230    }
02231    if (o->owner) {
02232       ast_log(LOG_NOTICE, "Already have a call (chan %p) on the usb channel\n", o->owner);
02233       *cause = AST_CAUSE_BUSY;
02234       return NULL;
02235    }
02236    c = usbradio_new(o, NULL, NULL, AST_STATE_DOWN);
02237    if (c == NULL) {
02238       ast_log(LOG_WARNING, "Unable to create new usb channel\n");
02239       return NULL;
02240    }
02241       
02242    o->b.remoted=0;
02243    xpmr_config(o);
02244 
02245    return c;
02246 }
02247 /*
02248 */
02249 static int console_key(int fd, int argc, char *argv[])
02250 {
02251    struct chan_usbradio_pvt *o = find_desc(usbradio_active);
02252 
02253    if (argc != 2)
02254       return RESULT_SHOWUSAGE; 
02255    o->txtestkey = 1;
02256    return RESULT_SUCCESS;
02257 }
02258 /*
02259 */
02260 static int console_unkey(int fd, int argc, char *argv[])
02261 {
02262    struct chan_usbradio_pvt *o = find_desc(usbradio_active);
02263 
02264    if (argc != 2)
02265       return RESULT_SHOWUSAGE;
02266    o->txtestkey = 0;
02267    return RESULT_SUCCESS;
02268 }
02269 
02270 static int radio_tune(int fd, int argc, char *argv[])
02271 {
02272    struct chan_usbradio_pvt *o = find_desc(usbradio_active);
02273    int i=0;
02274 
02275    if ((argc < 2) || (argc > 4))
02276       return RESULT_SHOWUSAGE; 
02277 
02278    if (argc == 2) /* just show stuff */
02279    {
02280       ast_cli(fd,"Active radio interface is [%s]\n",usbradio_active);
02281       ast_cli(fd,"Output A is currently set to ");
02282       if(o->txmixa==TX_OUT_COMPOSITE)ast_cli(fd,"composite.\n");
02283       else if (o->txmixa==TX_OUT_VOICE)ast_cli(fd,"voice.\n");
02284       else if (o->txmixa==TX_OUT_LSD)ast_cli(fd,"tone.\n");
02285       else if (o->txmixa==TX_OUT_AUX)ast_cli(fd,"auxvoice.\n");
02286       else ast_cli(fd,"off.\n");
02287 
02288       ast_cli(fd,"Output B is currently set to ");
02289       if(o->txmixb==TX_OUT_COMPOSITE)ast_cli(fd,"composite.\n");
02290       else if (o->txmixb==TX_OUT_VOICE)ast_cli(fd,"voice.\n");
02291       else if (o->txmixb==TX_OUT_LSD)ast_cli(fd,"tone.\n");
02292       else if (o->txmixb==TX_OUT_AUX)ast_cli(fd,"auxvoice.\n");
02293       else ast_cli(fd,"off.\n");
02294 
02295       ast_cli(fd,"Tx Voice Level currently set to %d\n",o->txmixaset);
02296       ast_cli(fd,"Tx Tone Level currently set to %d\n",o->txctcssadj);
02297       ast_cli(fd,"Rx Squelch currently set to %d\n",o->rxsquelchadj);
02298       ast_cli(fd,"Device String is %s\n",o->devstr);
02299       return RESULT_SHOWUSAGE;
02300    }
02301 
02302    o->pmrChan->b.tuning=1;
02303 
02304    if (!strcasecmp(argv[2],"rxnoise")) tune_rxinput(fd,o);
02305    else if (!strcasecmp(argv[2],"rxvoice")) tune_rxvoice(fd,o);
02306    else if (!strcasecmp(argv[2],"rxtone")) tune_rxctcss(fd,o);
02307    else if (!strcasecmp(argv[2],"rxsquelch"))
02308    {
02309       if (argc == 3)
02310       {
02311           ast_cli(fd,"Current Signal Strength is %d\n",((32767-o->pmrChan->rxRssi)*1000/32767));
02312           ast_cli(fd,"Current Squelch setting is %d\n",o->rxsquelchadj);
02313          //ast_cli(fd,"Current Raw RSSI        is %d\n",o->pmrChan->rxRssi);
02314           //ast_cli(fd,"Current (real) Squelch setting is %d\n",*(o->pmrChan->prxSquelchAdjust));
02315       } else {
02316          i = atoi(argv[3]);
02317          if ((i < 0) || (i > 999)) return RESULT_SHOWUSAGE;
02318          ast_cli(fd,"Changed Squelch setting to %d\n",i);
02319          o->rxsquelchadj = i;
02320          *(o->pmrChan->prxSquelchAdjust)= ((999 - i) * 32767) / 1000;
02321       }
02322    }
02323    else if (!strcasecmp(argv[2],"txvoice")) {
02324       i = 0;
02325 
02326       if( (o->txmixa!=TX_OUT_VOICE) && (o->txmixb!=TX_OUT_VOICE) &&
02327          (o->txmixa!=TX_OUT_COMPOSITE) && (o->txmixb!=TX_OUT_COMPOSITE)
02328         )
02329       {
02330          ast_log(LOG_ERROR,"No txvoice output configured.\n");
02331       }
02332       else if (argc == 3)
02333       {
02334          if((o->txmixa==TX_OUT_VOICE)||(o->txmixa==TX_OUT_COMPOSITE))
02335             ast_cli(fd,"Current txvoice setting on Channel A is %d\n",o->txmixaset);
02336          else
02337             ast_cli(fd,"Current txvoice setting on Channel B is %d\n",o->txmixbset);
02338       }
02339       else
02340       {
02341          i = atoi(argv[3]);
02342          if ((i < 0) || (i > 999)) return RESULT_SHOWUSAGE;
02343 
02344          if((o->txmixa==TX_OUT_VOICE)||(o->txmixa==TX_OUT_COMPOSITE))
02345          {
02346             o->txmixaset=i;
02347             ast_cli(fd,"Changed txvoice setting on Channel A to %d\n",o->txmixaset);
02348          }
02349          else
02350          {
02351             o->txmixbset=i;   
02352             ast_cli(fd,"Changed txvoice setting on Channel B to %d\n",o->txmixbset);
02353          }
02354          mixer_write(o);
02355          mult_set(o);
02356          ast_cli(fd,"Changed Tx Voice Output setting to %d\n",i);
02357       }
02358       o->pmrChan->b.txCtcssInhibit=1;
02359       tune_txoutput(o,i,fd);
02360       o->pmrChan->b.txCtcssInhibit=0;
02361    }
02362    else if (!strcasecmp(argv[2],"txall")) {
02363       i = 0;
02364 
02365       if( (o->txmixa!=TX_OUT_VOICE) && (o->txmixb!=TX_OUT_VOICE) &&
02366          (o->txmixa!=TX_OUT_COMPOSITE) && (o->txmixb!=TX_OUT_COMPOSITE)
02367         )
02368       {
02369          ast_log(LOG_ERROR,"No txvoice output configured.\n");
02370       }
02371       else if (argc == 3)
02372       {
02373          if((o->txmixa==TX_OUT_VOICE)||(o->txmixa==TX_OUT_COMPOSITE))
02374             ast_cli(fd,"Current txvoice setting on Channel A is %d\n",o->txmixaset);
02375          else
02376             ast_cli(fd,"Current txvoice setting on Channel B is %d\n",o->txmixbset);
02377       }
02378       else
02379       {
02380          i = atoi(argv[3]);
02381          if ((i < 0) || (i > 999)) return RESULT_SHOWUSAGE;
02382 
02383          if((o->txmixa==TX_OUT_VOICE)||(o->txmixa==TX_OUT_COMPOSITE))
02384          {
02385             o->txmixaset=i;
02386             ast_cli(fd,"Changed txvoice setting on Channel A to %d\n",o->txmixaset);
02387          }
02388          else
02389          {
02390             o->txmixbset=i;   
02391             ast_cli(fd,"Changed txvoice setting on Channel B to %d\n",o->txmixbset);
02392          }
02393          mixer_write(o);
02394          mult_set(o);
02395          ast_cli(fd,"Changed Tx Voice Output setting to %d\n",i);
02396       }
02397       tune_txoutput(o,i,fd);
02398    }
02399    else if (!strcasecmp(argv[2],"auxvoice")) {
02400       i = 0;
02401       if( (o->txmixa!=TX_OUT_AUX) && (o->txmixb!=TX_OUT_AUX))
02402       {
02403          ast_log(LOG_WARNING,"No auxvoice output configured.\n");
02404       }
02405       else if (argc == 3)
02406       {
02407          if(o->txmixa==TX_OUT_AUX)
02408             ast_cli(fd,"Current auxvoice setting on Channel A is %d\n",o->txmixaset);
02409          else
02410             ast_cli(fd,"Current auxvoice setting on Channel B is %d\n",o->txmixbset);
02411       }
02412       else
02413       {
02414          i = atoi(argv[3]);
02415          if ((i < 0) || (i > 999)) return RESULT_SHOWUSAGE;
02416          if(o->txmixa==TX_OUT_AUX)
02417          {
02418             o->txmixbset=i;
02419             ast_cli(fd,"Changed auxvoice setting on Channel A to %d\n",o->txmixaset);
02420          }
02421          else
02422          {
02423             o->txmixbset=i;
02424             ast_cli(fd,"Changed auxvoice setting on Channel B to %d\n",o->txmixbset);
02425          }
02426          mixer_write(o);
02427          mult_set(o);
02428       }
02429       //tune_auxoutput(o,i);
02430    }
02431    else if (!strcasecmp(argv[2],"txtone"))
02432    {
02433       if (argc == 3)
02434          ast_cli(fd,"Current Tx CTCSS modulation setting = %d\n",o->txctcssadj);
02435       else
02436       {
02437          i = atoi(argv[3]);
02438          if ((i < 0) || (i > 999)) return RESULT_SHOWUSAGE;
02439          o->txctcssadj = i;
02440          set_txctcss_level(o);
02441          ast_cli(fd,"Changed Tx CTCSS modulation setting to %i\n",i);
02442       }
02443       o->txtestkey=1;
02444       usleep(5000000);
02445       o->txtestkey=0;
02446    }
02447    else if (!strcasecmp(argv[2],"dump")) pmrdump(o);
02448    else if (!strcasecmp(argv[2],"nocap"))    
02449    {
02450       ast_cli(fd,"File capture (trace) was rx=%d tx=%d and now off.\n",o->b.rxcap2,o->b.txcap2);
02451       ast_cli(fd,"File capture (raw)   was rx=%d tx=%d and now off.\n",o->b.rxcapraw,o->b.txcapraw);
02452       o->b.rxcapraw=o->b.txcapraw=o->b.rxcap2=o->b.txcap2=o->pmrChan->b.rxCapture=o->pmrChan->b.txCapture=0;
02453       if (frxcapraw) { fclose(frxcapraw); frxcapraw = NULL; }
02454       if (frxcaptrace) { fclose(frxcaptrace); frxcaptrace = NULL; }
02455       if (frxoutraw) { fclose(frxoutraw); frxoutraw = NULL; }
02456       if (ftxcapraw) { fclose(ftxcapraw); ftxcapraw = NULL; }
02457       if (ftxcaptrace) { fclose(ftxcaptrace); ftxcaptrace = NULL; }
02458       if (ftxoutraw) { fclose(ftxoutraw); ftxoutraw = NULL; }
02459    }
02460    else if (!strcasecmp(argv[2],"rxtracecap")) 
02461    {
02462       if (!frxcaptrace) frxcaptrace= fopen(RX_CAP_TRACE_FILE,"w");
02463       ast_cli(fd,"Trace rx on.\n");
02464       o->b.rxcap2=o->pmrChan->b.rxCapture=1;
02465    }
02466    else if (!strcasecmp(argv[2],"txtracecap")) 
02467    {
02468       if (!ftxcaptrace) ftxcaptrace= fopen(TX_CAP_TRACE_FILE,"w");
02469       ast_cli(fd,"Trace tx on.\n");
02470       o->b.txcap2=o->pmrChan->b.txCapture=1;
02471    }
02472    else if (!strcasecmp(argv[2],"rxcap")) 
02473    {
02474       if (!frxcapraw) frxcapraw = fopen(RX_CAP_RAW_FILE,"w");
02475       ast_cli(fd,"cap rx raw on.\n");
02476       o->b.rxcapraw=1;
02477    }
02478    else if (!strcasecmp(argv[2],"txcap")) 
02479    {
02480       if (!ftxcapraw) ftxcapraw = fopen(TX_CAP_RAW_FILE,"w");
02481       ast_cli(fd,"cap tx raw on.\n");
02482       o->b.txcapraw=1;
02483    }
02484    else if (!strcasecmp(argv[2],"save"))
02485    {
02486       tune_write(o);
02487       ast_cli(fd,"Saved radio tuning settings to usbradio_tune_%s.conf\n",o->name);
02488    }
02489    else if (!strcasecmp(argv[2],"load"))
02490    {
02491       ast_mutex_lock(&o->eepromlock);
02492       while(o->eepromctl)
02493       {
02494          ast_mutex_unlock(&o->eepromlock);
02495          usleep(10000);
02496          ast_mutex_lock(&o->eepromlock);
02497       }
02498       o->eepromctl = 1;  /* request a load */
02499       ast_mutex_unlock(&o->eepromlock);
02500 
02501       ast_cli(fd,"Requesting loading of tuning settings from EEPROM for channel %s\n",o->name);
02502    }
02503    else
02504    {
02505       o->pmrChan->b.tuning=0;
02506       return RESULT_SHOWUSAGE;
02507    }
02508    o->pmrChan->b.tuning=0;
02509    return RESULT_SUCCESS;
02510 }
02511 
02512 /*
02513    set transmit ctcss modulation level
02514    adjust mixer output or internal gain depending on output type
02515    setting range is 0.0 to 0.9
02516 */
02517 static int set_txctcss_level(struct chan_usbradio_pvt *o)
02518 {                      
02519    if (o->txmixa == TX_OUT_LSD)
02520    {
02521 //    o->txmixaset=(151*o->txctcssadj) / 1000;
02522       o->txmixaset=o->txctcssadj;
02523       mixer_write(o);
02524       mult_set(o);
02525    }
02526    else if (o->txmixb == TX_OUT_LSD)
02527    {
02528 //    o->txmixbset=(151*o->txctcssadj) / 1000;
02529       o->txmixbset=o->txctcssadj;
02530       mixer_write(o);
02531       mult_set(o);
02532    }
02533    else
02534    {
02535       *o->pmrChan->ptxCtcssAdjust=(o->txctcssadj * M_Q8) / 1000;
02536    }
02537    return 0;
02538 }
02539 /*
02540    CLI debugging on and off
02541 */
02542 static int radio_set_debug(int fd, int argc, char *argv[])
02543 {
02544    struct chan_usbradio_pvt *o = find_desc(usbradio_active);
02545 
02546    o->debuglevel=1;
02547    ast_cli(fd,"usbradio debug on.\n");
02548    return RESULT_SUCCESS;
02549 }
02550 
02551 static int radio_set_debug_off(int fd, int argc, char *argv[])
02552 {
02553    struct chan_usbradio_pvt *o = find_desc(usbradio_active);
02554 
02555    o->debuglevel=0;
02556    ast_cli(fd,"usbradio debug off.\n");
02557    return RESULT_SUCCESS;
02558 }
02559 
02560 static int radio_active(int fd, int argc, char *argv[])
02561 {
02562         if (argc == 2)
02563                 ast_cli(fd, "active (command) USB Radio device is [%s]\n", usbradio_active);
02564         else if (argc != 3)
02565                 return RESULT_SHOWUSAGE;
02566         else {
02567                 struct chan_usbradio_pvt *o;
02568                 if (strcmp(argv[2], "show") == 0) {
02569                         for (o = usbradio_default.next; o; o = o->next)
02570                                 ast_cli(fd, "device [%s] exists\n", o->name);
02571                         return RESULT_SUCCESS;
02572                 }
02573                 o = find_desc(argv[2]);
02574                 if (o == NULL)
02575                         ast_cli(fd, "No device [%s] exists\n", argv[2]);
02576                 else
02577             {
02578                struct chan_usbradio_pvt *ao;
02579                for (ao = usbradio_default.next; ao && ao->name ; ao = ao->next)ao->pmrChan->b.radioactive=0;
02580                     usbradio_active = o->name;
02581                 o->pmrChan->b.radioactive=1;
02582             }
02583         }
02584         return RESULT_SUCCESS;
02585 }
02586 /*
02587    CLI debugging on and off
02588 */
02589 static int radio_set_xpmr_debug(int fd, int argc, char *argv[])
02590 {
02591    struct chan_usbradio_pvt *o = find_desc(usbradio_active);
02592 
02593    if (argc == 4)
02594    {
02595       int i;
02596       i = atoi(argv[3]);
02597       if ((i >= 0) && (i <= 100))
02598       { 
02599          o->pmrChan->tracelevel=i;
02600       }
02601     }
02602    // add ability to set it for a number of frames after which it reverts
02603    ast_cli(fd,"usbradio xdebug on tracelevel %i\n",o->pmrChan->tracelevel);
02604 
02605    return RESULT_SUCCESS;
02606 }
02607 
02608 
02609 static char key_usage[] =
02610    "Usage: radio key\n"
02611    "       Simulates COR active.\n";
02612 
02613 static char unkey_usage[] =
02614    "Usage: radio unkey\n"
02615    "       Simulates COR un-active.\n";
02616 
02617 static char active_usage[] =
02618         "Usage: radio active [device-name]\n"
02619         "       If used without a parameter, displays which device is the current\n"
02620         "one being commanded.  If a device is specified, the commanded radio device is changed\n"
02621         "to the device specified.\n";
02622 /*
02623 radio tune 6 3000    measured tx value
02624 */
02625 static char radio_tune_usage[] =
02626    "Usage: radio tune <function>\n"
02627    "       rxnoise\n"
02628    "       rxvoice\n"
02629    "       rxtone\n"
02630    "       rxsquelch [newsetting]\n"
02631    "       txvoice [newsetting]\n"
02632    "       txtone [newsetting]\n"
02633    "       auxvoice [newsetting]\n"
02634    "       save (settings to tuning file)\n"
02635    "       load (tuning settings from EEPROM)\n"
02636    "\n       All [newsetting]'s are values 0-999\n\n";
02637                  
02638 #ifndef  NEW_ASTERISK
02639 
02640 static struct ast_cli_entry cli_usbradio[] = {
02641    { { "radio", "key", NULL },
02642    console_key, "Simulate Rx Signal Present",
02643    key_usage, NULL, NULL},
02644 
02645    { { "radio", "unkey", NULL },
02646    console_unkey, "Simulate Rx Signal Lusb",
02647    unkey_usage, NULL, NULL },
02648 
02649    { { "radio", "tune", NULL },
02650    radio_tune, "Radio Tune",
02651    radio_tune_usage, NULL, NULL },
02652 
02653    { { "radio", "set", "debug", NULL },
02654    radio_set_debug, "Radio Debug",
02655    radio_tune_usage, NULL, NULL },
02656 
02657    { { "radio", "set", "debug", "off", NULL },
02658    radio_set_debug_off, "Radio Debug",
02659    radio_tune_usage, NULL, NULL },
02660 
02661    { { "radio", "active", NULL },
02662    radio_active, "Change commanded device",
02663    active_usage, NULL, NULL },
02664 
02665     { { "radio", "set", "xdebug", NULL },
02666    radio_set_xpmr_debug, "Radio set xpmr debug level",
02667    active_usage, NULL, NULL },
02668 
02669 };
02670 #endif
02671 
02672 /*
02673  * store the callerid components
02674  */
02675 #if 0
02676 static void store_callerid(struct chan_usbradio_pvt *o, char *s)
02677 {
02678    ast_callerid_split(s, o->cid_name, sizeof(o->cid_name), o->cid_num, sizeof(o->cid_num));
02679 }
02680 #endif
02681 
02682 static void store_rxdemod(struct chan_usbradio_pvt *o, const char *s)
02683 {
02684    if (!strcasecmp(s,"no")){
02685       o->rxdemod = RX_AUDIO_NONE;
02686    }
02687    else if (!strcasecmp(s,"speaker")){
02688       o->rxdemod = RX_AUDIO_SPEAKER;
02689    }
02690    else if (!strcasecmp(s,"flat")){
02691          o->rxdemod = RX_AUDIO_FLAT;
02692    }  
02693    else {
02694       ast_log(LOG_WARNING,"Unrecognized rxdemod parameter: %s\n",s);
02695    }
02696 
02697    //ast_log(LOG_WARNING, "set rxdemod = %s\n", s);
02698 }
02699 
02700                   
02701 static void store_txmixa(struct chan_usbradio_pvt *o, const char *s)
02702 {
02703    if (!strcasecmp(s,"no")){
02704       o->txmixa = TX_OUT_OFF;
02705    }
02706    else if (!strcasecmp(s,"voice")){
02707       o->txmixa = TX_OUT_VOICE;
02708    }
02709    else if (!strcasecmp(s,"tone")){
02710          o->txmixa = TX_OUT_LSD;
02711    }  
02712    else if (!strcasecmp(s,"composite")){
02713       o->txmixa = TX_OUT_COMPOSITE;
02714    }  
02715    else if (!strcasecmp(s,"auxvoice")){
02716       o->txmixa = TX_OUT_AUX;
02717    }  
02718    else {
02719       ast_log(LOG_WARNING,"Unrecognized txmixa parameter: %s\n",s);
02720    }
02721 
02722    //ast_log(LOG_WARNING, "set txmixa = %s\n", s);
02723 }
02724 
02725 static void store_txmixb(struct chan_usbradio_pvt *o, const char *s)
02726 {
02727    if (!strcasecmp(s,"no")){
02728       o->txmixb = TX_OUT_OFF;
02729    }
02730    else if (!strcasecmp(s,"voice")){
02731       o->txmixb = TX_OUT_VOICE;
02732    }
02733    else if (!strcasecmp(s,"tone")){
02734          o->txmixb = TX_OUT_LSD;
02735    }  
02736    else if (!strcasecmp(s,"composite")){
02737       o->txmixb = TX_OUT_COMPOSITE;
02738    }  
02739    else if (!strcasecmp(s,"auxvoice")){
02740       o->txmixb = TX_OUT_AUX;
02741    }  
02742    else {
02743       ast_log(LOG_WARNING,"Unrecognized txmixb parameter: %s\n",s);
02744    }
02745 
02746    //ast_log(LOG_WARNING, "set txmixb = %s\n", s);
02747 }
02748 /*
02749 */
02750 static void store_rxcdtype(struct chan_usbradio_pvt *o, const char *s)
02751 {
02752    if (!strcasecmp(s,"no")){
02753       o->rxcdtype = CD_IGNORE;
02754    }
02755    else if (!strcasecmp(s,"usb")){
02756       o->rxcdtype = CD_HID;
02757    }
02758    else if (!strcasecmp(s,"dsp")){
02759       o->rxcdtype = CD_XPMR_NOISE;
02760    }  
02761    else if (!strcasecmp(s,"vox")){
02762       o->rxcdtype = CD_XPMR_VOX;
02763    }  
02764    else if (!strcasecmp(s,"usbinvert")){
02765       o->rxcdtype = CD_HID_INVERT;
02766    }  
02767    else {
02768       ast_log(LOG_WARNING,"Unrecognized rxcdtype parameter: %s\n",s);
02769    }
02770 
02771    //ast_log(LOG_WARNING, "set rxcdtype = %s\n", s);
02772 }
02773 /*
02774 */
02775 static void store_rxsdtype(struct chan_usbradio_pvt *o, const char *s)
02776 {
02777    if (!strcasecmp(s,"no") || !strcasecmp(s,"SD_IGNORE")){
02778       o->rxsdtype = SD_IGNORE;
02779    }
02780    else if (!strcasecmp(s,"usb") || !strcasecmp(s,"SD_HID")){
02781       o->rxsdtype = SD_HID;
02782    }
02783    else if (!strcasecmp(s,"usbinvert") || !strcasecmp(s,"SD_HID_INVERT")){
02784       o->rxsdtype = SD_HID_INVERT;
02785    }  
02786    else if (!strcasecmp(s,"software") || !strcasecmp(s,"SD_XPMR")){
02787       o->rxsdtype = SD_XPMR;
02788    }  
02789    else {
02790       ast_log(LOG_WARNING,"Unrecognized rxsdtype parameter: %s\n",s);
02791    }
02792 
02793    //ast_log(LOG_WARNING, "set rxsdtype = %s\n", s);
02794 }
02795 /*
02796 */
02797 static void store_rxgain(struct chan_usbradio_pvt *o, const char *s)
02798 {
02799    float f;
02800    sscanf(s, "%30f", &f); 
02801    o->rxgain = f;
02802    //ast_log(LOG_WARNING, "set rxgain = %f\n", f);
02803 }
02804 /*
02805 */
02806 static void store_rxvoiceadj(struct chan_usbradio_pvt *o, const char *s)
02807 {
02808    float f;
02809    sscanf(s, "%30f", &f);
02810    o->rxvoiceadj = f;
02811    //ast_log(LOG_WARNING, "set rxvoiceadj = %f\n", f);
02812 }
02813 /*
02814 */
02815 static void store_rxctcssadj(struct chan_usbradio_pvt *o, const char *s)
02816 {
02817    float f;
02818    sscanf(s, "%30f", &f);
02819    o->rxctcssadj = f;
02820    //ast_log(LOG_WARNING, "set rxctcssadj = %f\n", f);
02821 }
02822 /*
02823 */
02824 static void store_txtoctype(struct chan_usbradio_pvt *o, const char *s)
02825 {
02826    if (!strcasecmp(s,"no") || !strcasecmp(s,"TOC_NONE")){
02827       o->txtoctype = TOC_NONE;
02828    }
02829    else if (!strcasecmp(s,"phase") || !strcasecmp(s,"TOC_PHASE")){
02830       o->txtoctype = TOC_PHASE;
02831    }
02832    else if (!strcasecmp(s,"notone") || !strcasecmp(s,"TOC_NOTONE")){
02833       o->txtoctype = TOC_NOTONE;
02834    }  
02835    else {
02836       ast_log(LOG_WARNING,"Unrecognized txtoctype parameter: %s\n",s);
02837    }
02838 }
02839 /*
02840 */
02841 static void tune_txoutput(struct chan_usbradio_pvt *o, int value, int fd)
02842 {
02843    o->txtestkey=1;
02844    o->pmrChan->txPttIn=1;
02845    TxTestTone(o->pmrChan, 1);   // generate 1KHz tone at 7200 peak
02846    if (fd > 0) ast_cli(fd,"Tone output starting on channel %s...\n",o->name);
02847    usleep(5000000);
02848    TxTestTone(o->pmrChan, 0);
02849    if (fd > 0) ast_cli(fd,"Tone output ending on channel %s...\n",o->name);
02850    o->pmrChan->txPttIn=0;
02851    o->txtestkey=0;
02852 }
02853 /*
02854 */
02855 static void tune_rxinput(int fd, struct chan_usbradio_pvt *o)
02856 {
02857    const int target=23000;
02858    const int tolerance=2000;
02859    const int settingmin=1;
02860    const int settingstart=2;
02861    const int maxtries=12;
02862 
02863    float settingmax;
02864    
02865    int setting=0, tries=0, tmpdiscfactor, meas;
02866    int tunetype=0;
02867 
02868    settingmax = o->micmax;
02869 
02870    if(o->pmrChan->rxDemod)tunetype=1;
02871    o->pmrChan->b.tuning=1;
02872 
02873    setting = settingstart;
02874 
02875     ast_cli(fd,"tune rxnoise maxtries=%i, target=%i, tolerance=%i\n",maxtries,target,tolerance);
02876 
02877    while(tries<maxtries)
02878    {
02879       setamixer(o->devicenum,MIXER_PARAM_MIC_CAPTURE_VOL,setting,0);
02880       setamixer(o->devicenum,MIXER_PARAM_MIC_BOOST,o->rxboostset,0);
02881        
02882       usleep(100000);
02883       if(o->rxcdtype!=CD_XPMR_NOISE || o->rxdemod==RX_AUDIO_SPEAKER) 
02884       {
02885          // printf("Measure Direct Input\n");
02886          o->pmrChan->spsMeasure->source = o->pmrChan->spsRx->source;
02887          o->pmrChan->spsMeasure->discfactor=2000;
02888          o->pmrChan->spsMeasure->enabled=1;
02889          o->pmrChan->spsMeasure->amax = o->pmrChan->spsMeasure->amin = 0;
02890          usleep(400000);   
02891          meas=o->pmrChan->spsMeasure->apeak;
02892          o->pmrChan->spsMeasure->enabled=0;  
02893       }
02894       else
02895       {
02896          // printf("Measure HF Noise\n");
02897          tmpdiscfactor=o->pmrChan->spsRx->discfactor;
02898          o->pmrChan->spsRx->discfactor=(i16)2000;
02899          o->pmrChan->spsRx->discounteru=o->pmrChan->spsRx->discounterl=0;
02900          o->pmrChan->spsRx->amax=o->pmrChan->spsRx->amin=0;
02901          usleep(200000);
02902          meas=o->pmrChan->rxRssi;
02903          o->pmrChan->spsRx->discfactor=tmpdiscfactor;
02904          o->pmrChan->spsRx->discounteru=o->pmrChan->spsRx->discounterl=0;
02905          o->pmrChan->spsRx->amax=o->pmrChan->spsRx->amin=0;
02906       }
02907         if(!meas)meas++;
02908       ast_cli(fd,"tries=%i, setting=%i, meas=%i\n",tries,setting,meas);
02909 
02910       if( meas<(target-tolerance) || meas>(target+tolerance) || tries<3){
02911          setting=setting*target/meas;
02912       }
02913       else if(tries>4 && meas>(target-tolerance) && meas<(target+tolerance) )
02914       {
02915          break;
02916       }
02917 
02918       if(setting<settingmin)setting=settingmin;
02919       else if(setting>settingmax)setting=settingmax;
02920 
02921       tries++;
02922    }
02923    ast_cli(fd,"DONE tries=%i, setting=%i, meas=%i\n",tries,
02924       (setting * 1000) / o->micmax,meas);
02925    if( meas<(target-tolerance) || meas>(target+tolerance) ){
02926       ast_cli(fd,"ERROR: RX INPUT ADJUST FAILED.\n");
02927    }else{
02928       ast_cli(fd,"INFO: RX INPUT ADJUST SUCCESS.\n"); 
02929       o->rxmixerset=(setting * 1000) / o->micmax;
02930    }
02931    o->pmrChan->b.tuning=0;
02932 }
02933 /*
02934 */
02935 static void tune_rxvoice(int fd, struct chan_usbradio_pvt *o)
02936 {
02937    const int target=7200;           // peak
02938    const int tolerance=360;            // peak to peak
02939    const float settingmin=0.1;
02940    const float settingmax=4;
02941    const float settingstart=1;
02942    const int maxtries=12;
02943 
02944    float setting;
02945 
02946    int tries=0, meas;
02947 
02948    ast_cli(fd,"INFO: RX VOICE ADJUST START.\n");   
02949    ast_cli(fd,"target=%i tolerance=%i \n",target,tolerance);
02950 
02951    o->pmrChan->b.tuning=1;
02952    if(!o->pmrChan->spsMeasure)
02953       ast_cli(fd,"ERROR: NO MEASURE BLOCK.\n");
02954 
02955    if(!o->pmrChan->spsMeasure->source || !o->pmrChan->prxVoiceAdjust )
02956       ast_cli(fd,"ERROR: NO SOURCE OR MEASURE SETTING.\n");
02957 
02958    o->pmrChan->spsMeasure->source=o->pmrChan->spsRxOut->sink;
02959    o->pmrChan->spsMeasure->enabled=1;
02960    o->pmrChan->spsMeasure->discfactor=1000;
02961    
02962    setting=settingstart;
02963 
02964    // ast_cli(fd,"ERROR: NO MEASURE BLOCK.\n");
02965 
02966    while(tries<maxtries)
02967    {
02968       *(o->pmrChan->prxVoiceAdjust)=setting*M_Q8;
02969       usleep(10000);
02970       o->pmrChan->spsMeasure->amax = o->pmrChan->spsMeasure->amin = 0;
02971       usleep(1000000);
02972       meas = o->pmrChan->spsMeasure->apeak;
02973       ast_cli(fd,"tries=%i, setting=%f, meas=%i\n",tries,setting,meas);
02974 
02975       if( meas<(target-tolerance) || meas>(target+tolerance) || tries<3){
02976          setting=setting*target/meas;
02977       }
02978       else if(tries>4 && meas>(target-tolerance) && meas<(target+tolerance) )
02979       {
02980          break;
02981       }
02982       if(setting<settingmin)setting=settingmin;
02983       else if(setting>settingmax)setting=settingmax;
02984 
02985       tries++;
02986    }
02987 
02988    o->pmrChan->spsMeasure->enabled=0;
02989 
02990    ast_cli(fd,"DONE tries=%i, setting=%f, meas=%f\n",tries,setting,(float)meas);
02991    if( meas<(target-tolerance) || meas>(target+tolerance) ){
02992       ast_cli(fd,"ERROR: RX VOICE GAIN ADJUST FAILED.\n");
02993    }else{
02994       ast_cli(fd,"INFO: RX VOICE GAIN ADJUST SUCCESS.\n");
02995       o->rxvoiceadj=setting;
02996    }
02997    o->pmrChan->b.tuning=0;
02998 }
02999 /*
03000 */
03001 static void tune_rxctcss(int fd, struct chan_usbradio_pvt *o)
03002 {
03003    const int target=2400;      // was 4096 pre 20080205
03004    const int tolerance=100;
03005    const float settingmin=0.1;
03006    const float settingmax=8;
03007    const float settingstart=1;
03008    const int maxtries=12;
03009 
03010    float setting;
03011    int tries=0, meas;
03012 
03013    ast_cli(fd,"INFO: RX CTCSS ADJUST START.\n");   
03014    ast_cli(fd,"target=%i tolerance=%i \n",target,tolerance);
03015 
03016    o->pmrChan->b.tuning=1;
03017    o->pmrChan->spsMeasure->source=o->pmrChan->prxCtcssMeasure;
03018    o->pmrChan->spsMeasure->discfactor=400;
03019    o->pmrChan->spsMeasure->enabled=1;
03020 
03021    setting=settingstart;
03022 
03023    while(tries<maxtries)
03024    {
03025       *(o->pmrChan->prxCtcssAdjust)=setting*M_Q8;
03026       usleep(10000);
03027       o->pmrChan->spsMeasure->amax = o->pmrChan->spsMeasure->amin = 0;
03028       usleep(500000);
03029       meas = o->pmrChan->spsMeasure->apeak;
03030       ast_cli(fd,"tries=%i, setting=%f, meas=%i\n",tries,setting,meas);
03031 
03032       if( meas<(target-tolerance) || meas>(target+tolerance) || tries<3){
03033          setting=setting*target/meas;
03034       }
03035       else if(tries>4 && meas>(target-tolerance) && meas<(target+tolerance) )
03036       {
03037          break;
03038       }
03039       if(setting<settingmin)setting=settingmin;
03040       else if(setting>settingmax)setting=settingmax;
03041 
03042       tries++;
03043    }
03044    o->pmrChan->spsMeasure->enabled=0;
03045    ast_cli(fd,"DONE tries=%i, setting=%f, meas=%f\n",tries,setting,(float)meas);
03046    if( meas<(target-tolerance) || meas>(target+tolerance) ){
03047       ast_cli(fd,"ERROR: RX CTCSS GAIN ADJUST FAILED.\n");
03048    }else{
03049       ast_cli(fd,"INFO: RX CTCSS GAIN ADJUST SUCCESS.\n");
03050       o->rxctcssadj=setting;
03051    }
03052    o->pmrChan->b.tuning=0;
03053 }
03054 /*
03055    after radio tune is performed data is serialized here 
03056 */
03057 static void tune_write(struct chan_usbradio_pvt *o)
03058 {
03059    FILE *fp;
03060    char fname[200];
03061 
03062    snprintf(fname,sizeof(fname) - 1,"/etc/asterisk/usbradio_tune_%s.conf",o->name);
03063    fp = fopen(fname,"w");
03064 
03065    fprintf(fp,"[%s]\n",o->name);
03066 
03067    fprintf(fp,"; name=%s\n",o->name);
03068    fprintf(fp,"; devicenum=%i\n",o->devicenum);
03069    fprintf(fp,"devstr=%s\n",o->devstr);
03070    fprintf(fp,"rxmixerset=%i\n",o->rxmixerset);
03071    fprintf(fp,"txmixaset=%i\n",o->txmixaset);
03072    fprintf(fp,"txmixbset=%i\n",o->txmixbset);
03073    fprintf(fp,"rxvoiceadj=%f\n",o->rxvoiceadj);
03074    fprintf(fp,"rxctcssadj=%f\n",o->rxctcssadj);
03075    fprintf(fp,"txctcssadj=%i\n",o->txctcssadj);
03076    fprintf(fp,"rxsquelchadj=%i\n",o->rxsquelchadj);
03077    fclose(fp);
03078 
03079    if(o->wanteeprom)
03080    {
03081       ast_mutex_lock(&o->eepromlock);
03082       while(o->eepromctl)
03083       {
03084          ast_mutex_unlock(&o->eepromlock);
03085          usleep(10000);
03086          ast_mutex_lock(&o->eepromlock);
03087       }
03088       o->eeprom[EEPROM_RXMIXERSET] = o->rxmixerset;
03089       o->eeprom[EEPROM_TXMIXASET] = o->txmixaset;
03090       o->eeprom[EEPROM_TXMIXBSET] = o->txmixbset;
03091       memcpy(&o->eeprom[EEPROM_RXVOICEADJ],&o->rxvoiceadj,sizeof(float));
03092       memcpy(&o->eeprom[EEPROM_RXCTCSSADJ],&o->rxctcssadj,sizeof(float));
03093       o->eeprom[EEPROM_TXCTCSSADJ] = o->txctcssadj;
03094       o->eeprom[EEPROM_RXSQUELCHADJ] = o->rxsquelchadj;
03095       o->eepromctl = 2;  /* request a write */
03096       ast_mutex_unlock(&o->eepromlock);
03097    }
03098 }
03099 //
03100 static void mixer_write(struct chan_usbradio_pvt *o)
03101 {
03102    setamixer(o->devicenum,MIXER_PARAM_MIC_PLAYBACK_SW,0,0);
03103    setamixer(o->devicenum,MIXER_PARAM_MIC_PLAYBACK_VOL,0,0);
03104    setamixer(o->devicenum,MIXER_PARAM_SPKR_PLAYBACK_SW,1,0);
03105    setamixer(o->devicenum,MIXER_PARAM_SPKR_PLAYBACK_VOL,
03106       o->txmixaset * o->spkrmax / 1000,
03107       o->txmixbset * o->spkrmax / 1000);
03108    setamixer(o->devicenum,MIXER_PARAM_MIC_CAPTURE_VOL,
03109       o->rxmixerset * o->micmax / 1000,0);
03110    setamixer(o->devicenum,MIXER_PARAM_MIC_BOOST,o->rxboostset,0);
03111    setamixer(o->devicenum,MIXER_PARAM_MIC_CAPTURE_SW,1,0);
03112 }
03113 /*
03114    adjust dsp multiplier to add resolution to tx level adjustment
03115 */
03116 static void mult_set(struct chan_usbradio_pvt *o)
03117 {
03118 
03119    if(o->pmrChan->spsTxOutA) {
03120       o->pmrChan->spsTxOutA->outputGain = 
03121          mult_calc((o->txmixaset * 152) / 1000);
03122    }
03123    if(o->pmrChan->spsTxOutB){
03124       o->pmrChan->spsTxOutB->outputGain = 
03125          mult_calc((o->txmixbset * 152) / 1000);
03126    }
03127 }
03128 //
03129 // input 0 - 151 outputs are pot and multiplier
03130 //
03131 static int mult_calc(int value)
03132 {
03133    const int multx=M_Q8;
03134    int pot,mult;
03135 
03136    pot=((int)(value/4)*4)+2;
03137    mult = multx-( ( multx * (3-(value%4)) ) / (pot+2) );
03138    return(mult);
03139 }
03140 
03141 #define pd(x) {printf(#x" = %d\n",x);}
03142 #define pp(x) {printf(#x" = %p\n",x);}
03143 #define ps(x) {printf(#x" = %s\n",x);}
03144 #define pf(x) {printf(#x" = %f\n",x);}
03145 
03146 
03147 #if 0
03148 /*
03149    do hid output if only requirement is ptt out
03150    this give fastest performance with least overhead
03151    where gpio inputs are not required.
03152 */
03153 
03154 static int usbhider(struct chan_usbradio_pvt *o, int opt)
03155 {
03156    unsigned char buf[4];
03157    char lastrx, txtmp;
03158 
03159    if(opt)
03160    {
03161       struct usb_device *usb_dev;
03162 
03163       usb_dev = hid_device_init(o->devstr);
03164       if (usb_dev == NULL) {
03165          ast_log(LOG_ERROR,"USB HID device not found\n");
03166          return -1;
03167       }
03168       o->usb_handle = usb_open(usb_dev);
03169       if (o->usb_handle == NULL) {
03170           ast_log(LOG_ERROR,"Not able to open USB device\n");
03171          return -1;
03172       }
03173       if (usb_claim_interface(o->usb_handle,C108_HID_INTERFACE) < 0)
03174       {
03175           if (usb_detach_kernel_driver_np(o->usb_handle,C108_HID_INTERFACE) < 0) {
03176              ast_log(LOG_ERROR,"Not able to detach the USB device\n");
03177             return -1;
03178          }
03179          if (usb_claim_interface(o->usb_handle,C108_HID_INTERFACE) < 0) {
03180             ast_log(LOG_ERROR,"Not able to claim the USB device\n");
03181             return -1;
03182          }
03183       }
03184    
03185       memset(buf,0,sizeof(buf));
03186       buf[2] = o->hid_gpio_ctl;
03187       buf[1] = 0;
03188       hid_set_outputs(o->usb_handle,buf);
03189       memcpy(bufsave,buf,sizeof(buf));
03190     
03191       buf[o->hid_gpio_ctl_loc] = o->hid_gpio_ctl;
03192       o->lasttx=0;
03193    }
03194 
03195    /* if change in tx state as controlled by xpmr */
03196    txtmp=o->pmrChan->txPttOut;
03197          
03198    if (o->lasttx != txtmp)
03199    {
03200       o->pmrChan->txPttHid=o->lasttx = txtmp;
03201       if(o->debuglevel)printf("usbhid: tx set to %d\n",txtmp);
03202       buf[o->hid_gpio_loc] = 0;
03203       if (!o->invertptt)
03204       {
03205          if (txtmp) buf[o->hid_gpio_loc] = o->hid_io_ptt;
03206       }
03207       else
03208       {
03209          if (!txtmp) buf[o->hid_gpio_loc] = o->hid_io_ptt;
03210       }
03211       buf[o->hid_gpio_ctl_loc] = o->hid_gpio_ctl;
03212       hid_set_outputs(o->usb_handle,buf);
03213    }
03214 
03215    return(0);
03216 }
03217 #endif
03218 /*
03219 */
03220 static void pmrdump(struct chan_usbradio_pvt *o)
03221 {
03222    t_pmr_chan *p;
03223    int i;
03224 
03225    p=o->pmrChan;
03226 
03227    printf("\nodump()\n");
03228 
03229    pd(o->devicenum);
03230    ps(o->devstr);
03231 
03232    pd(o->micmax);
03233    pd(o->spkrmax);
03234 
03235    pd(o->rxdemod);
03236    pd(o->rxcdtype);
03237    pd(o->rxsdtype);
03238    pd(o->txtoctype);
03239 
03240    pd(o->rxmixerset);
03241    pd(o->rxboostset);
03242 
03243    pf(o->rxvoiceadj);
03244    pf(o->rxctcssadj);
03245    pd(o->rxsquelchadj);
03246 
03247    ps(o->txctcssdefault);
03248    ps(o->txctcssfreq);
03249 
03250    pd(o->numrxctcssfreqs);
03251    if(o->numrxctcssfreqs>0)
03252    {
03253       for(i=0;i<o->numrxctcssfreqs;i++)
03254       {
03255          printf(" %i =  %s  %s\n",i,o->rxctcss[i],o->txctcss[i]); 
03256       }
03257    }
03258 
03259    pd(o->b.rxpolarity);
03260    pd(o->b.txpolarity);
03261 
03262    pd(o->txprelim);
03263    pd(o->txmixa);
03264    pd(o->txmixb);
03265    
03266    pd(o->txmixaset);
03267    pd(o->txmixbset);
03268    
03269    printf("\npmrdump()\n");
03270  
03271    pd(p->devicenum);
03272 
03273    printf("prxSquelchAdjust=%i\n",*(o->pmrChan->prxSquelchAdjust));
03274 
03275    pd(p->rxCarrierPoint);
03276    pd(p->rxCarrierHyst);
03277 
03278    pd(*p->prxVoiceAdjust);
03279    pd(*p->prxCtcssAdjust);
03280 
03281    pd(p->rxfreq);
03282    pd(p->txfreq);
03283 
03284    pd(p->rxCtcss->relax);
03285    //pf(p->rxCtcssFreq);   
03286    pd(p->numrxcodes);
03287    if(o->pmrChan->numrxcodes>0)
03288    {
03289       for(i=0;i<o->pmrChan->numrxcodes;i++)
03290       {
03291          printf(" %i = %s\n",i,o->pmrChan->pRxCode[i]); 
03292       }
03293    }
03294 
03295    pd(p->txTocType);
03296    ps(p->pTxCodeDefault);
03297    pd(p->txcodedefaultsmode);
03298    pd(p->numtxcodes);
03299    if(o->pmrChan->numtxcodes>0)
03300    {
03301       for(i=0;i<o->pmrChan->numtxcodes;i++)
03302       {                                       
03303          printf(" %i = %s\n",i,o->pmrChan->pTxCode[i]); 
03304       }
03305    }
03306 
03307    pd(p->b.rxpolarity);
03308    pd(p->b.txpolarity);
03309    pd(p->b.dcsrxpolarity);
03310    pd(p->b.dcstxpolarity);
03311    pd(p->b.lsdrxpolarity);
03312    pd(p->b.lsdtxpolarity);
03313 
03314    pd(p->txMixA);
03315    pd(p->txMixB);
03316     
03317    pd(p->rxDeEmpEnable);
03318    pd(p->rxCenterSlicerEnable);
03319    pd(p->rxCtcssDecodeEnable);
03320    pd(p->rxDcsDecodeEnable);
03321    pd(p->b.ctcssRxEnable);
03322    pd(p->b.dcsRxEnable);
03323    pd(p->b.lmrRxEnable);
03324    pd(p->b.dstRxEnable);
03325    pd(p->smode);
03326 
03327    pd(p->txHpfEnable);
03328    pd(p->txLimiterEnable);
03329    pd(p->txPreEmpEnable);
03330    pd(p->txLpfEnable);
03331 
03332    if(p->spsTxOutA)pd(p->spsTxOutA->outputGain);
03333    if(p->spsTxOutB)pd(p->spsTxOutB->outputGain);
03334    pd(p->txPttIn);
03335    pd(p->txPttOut);
03336 
03337    pd(p->tracetype);
03338 
03339    return;
03340 }
03341 /*
03342    takes data from a chan_usbradio_pvt struct (e.g. o->)
03343    and configures the xpmr radio layer
03344 */
03345 static int xpmr_config(struct chan_usbradio_pvt *o)
03346 {
03347    //ast_log(LOG_NOTICE,"xpmr_config()\n");
03348 
03349    TRACEO(1,("xpmr_config()\n"));
03350 
03351    if(o->pmrChan==NULL)
03352    {
03353       ast_log(LOG_ERROR,"pmr channel structure NULL\n");
03354       return 1;
03355    }
03356 
03357    o->pmrChan->rxCtcss->relax = o->rxctcssrelax;
03358    o->pmrChan->txpower=0;
03359 
03360    if(o->b.remoted)
03361    {
03362       o->pmrChan->pTxCodeDefault = o->set_txctcssdefault;
03363       o->pmrChan->pRxCodeSrc=o->set_rxctcssfreqs;
03364       o->pmrChan->pTxCodeSrc=o->set_txctcssfreqs;
03365 
03366       o->pmrChan->rxfreq=o->set_rxfreq;
03367       o->pmrChan->txfreq=o->set_txfreq;
03368       /* printf(" remoted %s %s --> %s \n",o->pmrChan->txctcssdefault,
03369          o->pmrChan->txctcssfreq,o->pmrChan->rxctcssfreq); */
03370    }
03371    else
03372    {
03373       // set xpmr pointers to source strings
03374 
03375       o->pmrChan->pTxCodeDefault = o->txctcssdefault;
03376       o->pmrChan->pRxCodeSrc     = o->rxctcssfreqs;
03377       o->pmrChan->pTxCodeSrc     = o->txctcssfreqs;
03378    
03379       o->pmrChan->rxfreq = o->rxfreq;
03380       o->pmrChan->txfreq = o->txfreq;
03381    }
03382    
03383    code_string_parse(o->pmrChan);
03384    if(o->pmrChan->rxfreq) o->pmrChan->b.reprog=1;
03385 
03386    return 0;
03387 }
03388 /*
03389  * grab fields from the config file, init the descriptor and open the device.
03390  */
03391 static struct chan_usbradio_pvt *store_config(struct ast_config *cfg, char *ctg)
03392 {
03393    struct ast_variable *v;
03394    struct chan_usbradio_pvt *o;
03395    struct ast_config *cfg1;
03396    int i;
03397    char fname[200];
03398 #ifdef   NEW_ASTERISK
03399    struct ast_flags zeroflag = {0};
03400 #endif
03401    if (ctg == NULL) {
03402       traceusb1((" store_config() ctg == NULL\n"));
03403       o = &usbradio_default;
03404       ctg = "general";
03405    } else {
03406       /* "general" is also the default thing */
03407       if (strcmp(ctg, "general") == 0) {
03408          o = &usbradio_default;
03409       } else {
03410           // ast_log(LOG_NOTICE,"ast_calloc for chan_usbradio_pvt of %s\n",ctg);
03411          if (!(o = ast_calloc(1, sizeof(*o))))
03412             return NULL;
03413          *o = usbradio_default;
03414          o->name = ast_strdup(ctg);
03415          if (!usbradio_active) 
03416             usbradio_active = o->name;
03417       }
03418    }
03419    ast_mutex_init(&o->eepromlock);
03420    strcpy(o->mohinterpret, "default");
03421    /* fill other fields from configuration */
03422    for (v = ast_variable_browse(cfg, ctg); v; v = v->next) {
03423       M_START((char *)v->name, (char *)v->value);
03424 
03425       /* handle jb conf */
03426       if (!ast_jb_read_conf(&global_jbconf, v->name, v->value))
03427          continue;
03428 
03429 #if   0
03430          M_BOOL("autoanswer", o->autoanswer)
03431          M_BOOL("autohangup", o->autohangup)
03432          M_BOOL("overridecontext", o->overridecontext)
03433          M_STR("context", o->ctx)
03434          M_STR("language", o->language)
03435          M_STR("mohinterpret", o->mohinterpret)
03436          M_STR("extension", o->ext)
03437          M_F("callerid", store_callerid(o, v->value))
03438 #endif
03439          M_UINT("frags", o->frags)
03440          M_UINT("queuesize",o->queuesize)
03441 #if 0
03442          M_UINT("devicenum",o->devicenum)
03443 #endif
03444          M_UINT("debug", usbradio_debug)
03445          M_BOOL("rxcpusaver",o->rxcpusaver)
03446          M_BOOL("txcpusaver",o->txcpusaver)
03447          M_BOOL("invertptt",o->invertptt)
03448          M_F("rxdemod",store_rxdemod(o,(char *)v->value))
03449          M_BOOL("txprelim",o->txprelim);
03450          M_F("txmixa",store_txmixa(o,(char *)v->value))
03451          M_F("txmixb",store_txmixb(o,(char *)v->value))
03452          M_F("carrierfrom",store_rxcdtype(o,(char *)v->value))
03453          M_F("rxsdtype",store_rxsdtype(o,(char *)v->value))
03454           M_UINT("rxsqvox",o->rxsqvoxadj)
03455          M_STR("txctcssdefault",o->txctcssdefault)
03456          M_STR("rxctcssfreqs",o->rxctcssfreqs)
03457          M_STR("txctcssfreqs",o->txctcssfreqs)
03458          M_UINT("rxfreq",o->rxfreq)
03459          M_UINT("txfreq",o->txfreq)
03460          M_F("rxgain",store_rxgain(o,(char *)v->value))
03461          M_BOOL("rxboost",o->rxboostset)
03462          M_UINT("rxctcssrelax",o->rxctcssrelax)
03463          M_F("txtoctype",store_txtoctype(o,(char *)v->value))
03464          M_UINT("hdwtype",o->hdwtype)
03465          M_UINT("eeprom",o->wanteeprom)
03466          M_UINT("duplex",o->radioduplex)
03467          M_UINT("txsettletime",o->txsettletime)
03468          M_BOOL("rxpolarity",o->b.rxpolarity)
03469          M_BOOL("txpolarity",o->b.txpolarity)
03470          M_BOOL("dcsrxpolarity",o->b.dcsrxpolarity)
03471          M_BOOL("dcstxpolarity",o->b.dcstxpolarity)
03472          M_BOOL("lsdrxpolarity",o->b.lsdrxpolarity)
03473          M_BOOL("lsdtxpolarity",o->b.lsdtxpolarity)
03474          M_BOOL("loopback",o->b.loopback)
03475          M_BOOL("radioactive",o->b.radioactive)
03476          M_UINT("rptnum",o->rptnum)
03477          M_UINT("idleinterval",o->idleinterval)
03478          M_UINT("turnoffs",o->turnoffs)
03479          M_UINT("tracetype",o->tracetype)
03480          M_UINT("tracelevel",o->tracelevel)
03481          M_UINT("area",o->area)
03482          M_STR("ukey",o->ukey)
03483          M_END(;
03484          );
03485    }
03486 
03487    o->debuglevel=0;
03488 
03489    if (o == &usbradio_default)      /* we are done with the default */
03490       return NULL;
03491 
03492    snprintf(fname,sizeof(fname) - 1,config1,o->name);
03493 #ifdef   NEW_ASTERISK
03494    cfg1 = ast_config_load(fname,zeroflag);
03495 #else
03496    cfg1 = ast_config_load(fname);
03497 #endif
03498    o->rxmixerset = 500;
03499    o->txmixaset = 500;
03500    o->txmixbset = 500;
03501    o->rxvoiceadj = 0.5;
03502    o->rxctcssadj = 0.5;
03503    o->txctcssadj = 200;
03504    o->rxsquelchadj = 500;
03505    o->devstr[0] = 0;
03506    if (cfg1 && cfg1 != CONFIG_STATUS_FILEINVALID) {
03507       for (v = ast_variable_browse(cfg1, o->name); v; v = v->next) {
03508    
03509          M_START((char *)v->name, (char *)v->value);
03510          M_UINT("rxmixerset", o->rxmixerset)
03511          M_UINT("txmixaset", o->txmixaset)
03512          M_UINT("txmixbset", o->txmixbset)
03513          M_F("rxvoiceadj",store_rxvoiceadj(o,(char *)v->value))
03514          M_F("rxctcssadj",store_rxctcssadj(o,(char *)v->value))
03515          M_UINT("txctcssadj",o->txctcssadj);
03516          M_UINT("rxsquelchadj", o->rxsquelchadj)
03517          M_STR("devstr", o->devstr)
03518          M_END(;
03519          );
03520       }
03521       ast_config_destroy(cfg1);
03522    } else ast_log(LOG_WARNING,"File %s not found, using default parameters.\n",fname);
03523 
03524    if(o->wanteeprom)
03525    {
03526       ast_mutex_lock(&o->eepromlock);
03527       while(o->eepromctl)
03528       {
03529          ast_mutex_unlock(&o->eepromlock);
03530          usleep(10000);
03531          ast_mutex_lock(&o->eepromlock);
03532       }
03533       o->eepromctl = 1;  /* request a load */
03534       ast_mutex_unlock(&o->eepromlock);
03535    }
03536    /* if our specified one exists in the list */
03537    if ((!usb_list_check(o->devstr)) || find_desc_usb(o->devstr))
03538    {
03539       char *s;
03540 
03541       for(s = usb_device_list; *s; s += strlen(s) + 1)
03542       {
03543          if (!find_desc_usb(s)) break;
03544       }
03545       if (!*s)
03546       {
03547          ast_log(LOG_WARNING,"Unable to assign USB device for channel %s\n",o->name);
03548          goto error;
03549       }
03550       ast_log(LOG_NOTICE,"Assigned USB device %s to usbradio channel %s\n",s,o->name);
03551       strcpy(o->devstr,s);
03552    }
03553 
03554    i = usb_get_usbdev(o->devstr);
03555    if (i < 0)
03556    {
03557            ast_log(LOG_ERROR,"Not able to find alsa USB device\n");
03558       goto error;
03559    }
03560    o->devicenum = i;
03561 
03562    o->micmax = amixer_max(o->devicenum,MIXER_PARAM_MIC_CAPTURE_VOL);
03563    o->spkrmax = amixer_max(o->devicenum,MIXER_PARAM_SPKR_PLAYBACK_VOL);
03564    o->lastopen = ast_tvnow(); /* don't leave it 0 or tvdiff may wrap */
03565    o->dsp = ast_dsp_new();
03566    if (o->dsp)
03567    {
03568 #ifdef   NEW_ASTERISK
03569      ast_dsp_set_features(o->dsp,DSP_FEATURE_DIGIT_DETECT);
03570      ast_dsp_set_digitmode(o->dsp,DSP_DIGITMODE_DTMF | DSP_DIGITMODE_MUTECONF | DSP_DIGITMODE_RELAXDTMF);
03571 #else
03572      ast_dsp_set_features(o->dsp,DSP_FEATURE_DTMF_DETECT);
03573      ast_dsp_digitmode(o->dsp,DSP_DIGITMODE_DTMF | DSP_DIGITMODE_MUTECONF | DSP_DIGITMODE_RELAXDTMF);
03574 #endif
03575    }
03576 
03577    if(o->pmrChan==NULL)
03578    {
03579       t_pmr_chan tChan;
03580 
03581       // ast_log(LOG_NOTICE,"createPmrChannel() %s\n",o->name);
03582       memset(&tChan,0,sizeof(t_pmr_chan));
03583 
03584       tChan.pTxCodeDefault = o->txctcssdefault;
03585       tChan.pRxCodeSrc     = o->rxctcssfreqs;
03586       tChan.pTxCodeSrc     = o->txctcssfreqs;
03587 
03588       tChan.rxDemod=o->rxdemod;
03589       tChan.rxCdType=o->rxcdtype;
03590       tChan.rxSqVoxAdj=o->rxsqvoxadj;
03591 
03592       if (o->txprelim) 
03593          tChan.txMod = 2;
03594 
03595       tChan.txMixA = o->txmixa;
03596       tChan.txMixB = o->txmixb;
03597 
03598       tChan.rxCpuSaver=o->rxcpusaver;
03599       tChan.txCpuSaver=o->txcpusaver;
03600 
03601       tChan.b.rxpolarity=o->b.rxpolarity;
03602       tChan.b.txpolarity=o->b.txpolarity;
03603 
03604       tChan.b.dcsrxpolarity=o->b.dcsrxpolarity;
03605       tChan.b.dcstxpolarity=o->b.dcstxpolarity;
03606 
03607       tChan.b.lsdrxpolarity=o->b.lsdrxpolarity;
03608       tChan.b.lsdtxpolarity=o->b.lsdtxpolarity;
03609 
03610       tChan.tracetype=o->tracetype;
03611       tChan.tracelevel=o->tracelevel;
03612       tChan.rptnum=o->rptnum;
03613       tChan.idleinterval=o->idleinterval;
03614       tChan.turnoffs=o->turnoffs;
03615       tChan.area=o->area;
03616       tChan.ukey=o->ukey;
03617       tChan.name=o->name;
03618 
03619       o->pmrChan=createPmrChannel(&tChan,FRAME_SIZE);
03620                             
03621       o->pmrChan->radioDuplex=o->radioduplex;
03622       o->pmrChan->b.loopback=0; 
03623       o->pmrChan->txsettletime=o->txsettletime;
03624       o->pmrChan->rxCpuSaver=o->rxcpusaver;
03625       o->pmrChan->txCpuSaver=o->txcpusaver;
03626 
03627       *(o->pmrChan->prxSquelchAdjust) = 
03628          ((999 - o->rxsquelchadj) * 32767) / 1000;
03629 
03630       *(o->pmrChan->prxVoiceAdjust)=o->rxvoiceadj*M_Q8;
03631       *(o->pmrChan->prxCtcssAdjust)=o->rxctcssadj*M_Q8;
03632       o->pmrChan->rxCtcss->relax=o->rxctcssrelax;
03633       o->pmrChan->txTocType = o->txtoctype;
03634 
03635         if (    (o->txmixa == TX_OUT_LSD) ||
03636                 (o->txmixa == TX_OUT_COMPOSITE) ||
03637                 (o->txmixb == TX_OUT_LSD) ||
03638                 (o->txmixb == TX_OUT_COMPOSITE))
03639         {
03640                 set_txctcss_level(o);
03641         }
03642 
03643       if( (o->txmixa!=TX_OUT_VOICE) && (o->txmixb!=TX_OUT_VOICE) &&
03644          (o->txmixa!=TX_OUT_COMPOSITE) && (o->txmixb!=TX_OUT_COMPOSITE)
03645         )
03646       {
03647          ast_log(LOG_ERROR,"No txvoice output configured.\n");
03648       }
03649    
03650       if( o->txctcssfreq[0] && 
03651           o->txmixa!=TX_OUT_LSD && o->txmixa!=TX_OUT_COMPOSITE  &&
03652          o->txmixb!=TX_OUT_LSD && o->txmixb!=TX_OUT_COMPOSITE
03653         )
03654       {
03655          ast_log(LOG_ERROR,"No txtone output configured.\n");
03656       }
03657       
03658       if(o->b.radioactive)
03659       {
03660           // 20080328 sphenke asdf maw !!!
03661           // this diagnostic option was working but now appears broken
03662          // it's not required for operation so I'll fix it later.
03663          //struct chan_usbradio_pvt *ao;
03664          //for (ao = usbradio_default.next; ao && ao->name ; ao = ao->next)ao->pmrChan->b.radioactive=0;
03665          usbradio_active = o->name;
03666          // o->pmrChan->b.radioactive=1;
03667          //o->b.radioactive=0;
03668          //o->pmrChan->b.radioactive=0;
03669          ast_log(LOG_NOTICE,"radio active set to [%s]\n",o->name);
03670       }
03671    }
03672 
03673    xpmr_config(o);
03674 
03675    TRACEO(1,("store_config() 120\n"));
03676    mixer_write(o);
03677    TRACEO(1,("store_config() 130\n"));
03678    mult_set(o);    
03679    TRACEO(1,("store_config() 140\n"));
03680    hidhdwconfig(o);
03681 
03682    TRACEO(1,("store_config() 200\n"));
03683 
03684 #ifndef  NEW_ASTERISK
03685    if (pipe(o->sndcmd) != 0) {
03686       ast_log(LOG_ERROR, "Unable to create pipe\n");
03687       goto error;
03688    }
03689 
03690    ast_pthread_create_background(&o->sthread, NULL, sound_thread, o);
03691 #endif
03692 
03693    /* link into list of devices */
03694    if (o != &usbradio_default) {
03695       o->next = usbradio_default.next;
03696       usbradio_default.next = o;
03697    }
03698    TRACEO(1,("store_config() complete\n"));
03699    return o;
03700   
03701   error:
03702    if (o != &usbradio_default)
03703       free(o);
03704    return NULL;
03705 }
03706 
03707 
03708 #if   DEBUG_FILETEST == 1
03709 /*
03710    Test It on a File
03711 */
03712 int RxTestIt(struct chan_usbradio_pvt *o)
03713 {
03714    const int numSamples = SAMPLES_PER_BLOCK;
03715    const int numChannels = 16;
03716 
03717    i16 sample,i,ii;
03718    
03719    i32 txHangTime;
03720 
03721    i16 txEnable;
03722 
03723    t_pmr_chan  tChan;
03724    t_pmr_chan *pChan;
03725 
03726    FILE *hInput=NULL, *hOutput=NULL, *hOutputTx=NULL;
03727  
03728    i16 iBuff[numSamples*2*6], oBuff[numSamples];
03729               
03730    printf("RxTestIt()\n");
03731 
03732    pChan=o->pmrChan;
03733    pChan->b.txCapture=1;
03734    pChan->b.rxCapture=1;
03735 
03736    txEnable = 0;
03737 
03738    hInput  = fopen("/usr/src/xpmr/testdata/rx_in.pcm","r");
03739    if(!hInput){
03740       printf(" RxTestIt() File Not Found.\n");
03741       return 0;
03742    }
03743    hOutput = fopen("/usr/src/xpmr/testdata/rx_debug.pcm","w");
03744 
03745    printf(" RxTestIt() Working...\n");
03746             
03747    while(!feof(hInput))
03748    {
03749       fread((void *)iBuff,2,numSamples*2*6,hInput);
03750        
03751       if(txHangTime)txHangTime-=numSamples;
03752       if(txHangTime<0)txHangTime=0;
03753       
03754       if(pChan->rxCtcss->decode)txHangTime=(8000/1000*2000);
03755 
03756       if(pChan->rxCtcss->decode && !txEnable)
03757       {
03758          txEnable=1;
03759          //pChan->inputBlanking=(8000/1000*200);
03760       }
03761       else if(!pChan->rxCtcss->decode && txEnable)
03762       {
03763          txEnable=0; 
03764       }
03765 
03766       PmrRx(pChan,iBuff,oBuff);
03767 
03768       if (fwrite((void *)pChan->prxDebug,2,numSamples*numChannels,hOutput) != numSamples * numChannels) {
03769          ast_log(LOG_ERROR, "fwrite() failed: %s\n", strerror(errno));
03770       }
03771    }
03772    pChan->b.txCapture=0;
03773    pChan->b.rxCapture=0;
03774 
03775    if(hInput)fclose(hInput);
03776    if(hOutput)fclose(hOutput);
03777 
03778    printf(" RxTestIt() Complete.\n");
03779 
03780    return 0;
03781 }
03782 #endif
03783 
03784 #ifdef   NEW_ASTERISK
03785 
03786 static char *res2cli(int r)
03787 
03788 {
03789    switch (r)
03790    {
03791        case RESULT_SUCCESS:
03792       return(CLI_SUCCESS);
03793        case RESULT_SHOWUSAGE:
03794       return(CLI_SHOWUSAGE);
03795        default:
03796       return(CLI_FAILURE);
03797    }
03798 }
03799 
03800 static char *handle_console_key(struct ast_cli_entry *e,
03801    int cmd, struct ast_cli_args *a)
03802 {
03803    char *argv[] = { "radio", "key", NULL };
03804 
03805         switch (cmd) {
03806         case CLI_INIT:
03807                 e->command = "radio key";
03808                 e->usage = key_usage;
03809                 return NULL;
03810         case CLI_GENERATE:
03811                 return NULL;
03812    }
03813    return res2cli(console_key(a->fd, 2, argv));
03814 }
03815 
03816 static char *handle_console_unkey(struct ast_cli_entry *e,
03817    int cmd, struct ast_cli_args *a)
03818 {
03819    char *argv[] = { "radio", "unkey", NULL };
03820         switch (cmd) {
03821         case CLI_INIT:
03822                 e->command = "radio unkey";
03823                 e->usage = unkey_usage;
03824                 return NULL;
03825         case CLI_GENERATE:
03826                 return NULL;
03827    }
03828    return res2cli(console_unkey(a->fd, 2, argv));
03829 }
03830 
03831 static char *handle_radio_tune(struct ast_cli_entry *e,
03832    int cmd, struct ast_cli_args *a)
03833 {
03834    char *argv[5] = { "radio", "tune", a->argc > 2 ? (char *) a->argv[2] : NULL, a->argc > 3 ? (char *) a->argv[3] : NULL };
03835         switch (cmd) {
03836         case CLI_INIT:
03837                 e->command = "radio tune";
03838                 e->usage = radio_tune_usage;
03839                 return NULL;
03840         case CLI_GENERATE:
03841                 return NULL;
03842    }
03843    return res2cli(radio_tune(a->fd, a->argc, argv));
03844 }
03845 
03846 static char *handle_radio_debug(struct ast_cli_entry *e,
03847    int cmd, struct ast_cli_args *a)
03848 {
03849         switch (cmd) {
03850         case CLI_INIT:
03851                 e->command = "radio debug";
03852                 e->usage = radio_tune_usage;
03853                 return NULL;
03854         case CLI_GENERATE:
03855                 return NULL;
03856    }
03857    return res2cli(radio_set_debug(a->fd, a->argc, NULL /* ignored */));
03858 }
03859 
03860 static char *handle_radio_debug_off(struct ast_cli_entry *e,
03861    int cmd, struct ast_cli_args *a)
03862 {
03863         switch (cmd) {
03864         case CLI_INIT:
03865                 e->command = "radio debug off";
03866                 e->usage = radio_tune_usage;
03867                 return NULL;
03868         case CLI_GENERATE:
03869                 return NULL;
03870    }
03871    return res2cli(radio_set_debug_off(a->fd, a->argc, NULL /* ignored */));
03872 }
03873 
03874 static char *handle_radio_active(struct ast_cli_entry *e,
03875    int cmd, struct ast_cli_args *a)
03876 {
03877    char *argv[4] = { "radio", "active", a->argc > 2 ? (char *) a->argv[2] : NULL, };
03878         switch (cmd) {
03879         case CLI_INIT:
03880                 e->command = "radio active";
03881                 e->usage = active_usage;
03882                 return NULL;
03883         case CLI_GENERATE:
03884                 return NULL;
03885    }
03886    return res2cli(radio_active(a->fd, a->argc, argv));
03887 }
03888 
03889 static char *handle_set_xdebug(struct ast_cli_entry *e,
03890    int cmd, struct ast_cli_args *a)
03891 {
03892    char *argv[5] = { "radio", "set", "xdebug", a->argc == 4 ? (char *) a->argv[3] : NULL, };
03893         switch (cmd) {
03894         case CLI_INIT:
03895                 e->command = "radio set xdebug";
03896                 e->usage = active_usage;
03897                 return NULL;
03898         case CLI_GENERATE:
03899                 return NULL;
03900    }
03901    return res2cli(radio_set_xpmr_debug(a->fd, a->argc, argv));
03902 }
03903 
03904 
03905 static struct ast_cli_entry cli_usbradio[] = {
03906    AST_CLI_DEFINE(handle_console_key,"Simulate Rx Signal Present"),
03907    AST_CLI_DEFINE(handle_console_unkey,"Simulate Rx Signal Loss"),
03908    AST_CLI_DEFINE(handle_radio_tune,"Radio Tune"),
03909    AST_CLI_DEFINE(handle_radio_debug,"Radio Debug On"),
03910    AST_CLI_DEFINE(handle_radio_debug_off,"Radio Debug Off"),
03911    AST_CLI_DEFINE(handle_radio_active,"Change commanded device"),
03912    AST_CLI_DEFINE(handle_set_xdebug,"Radio set xpmr debug level")
03913 };
03914 
03915 #endif
03916 
03917 #include "./xpmr/xpmr.c"
03918 #ifdef HAVE_XPMRX
03919 #include "./xpmrx/xpmrx.c"
03920 #endif
03921 
03922 /*
03923 */
03924 static int load_module(void)
03925 {
03926    struct ast_config *cfg = NULL;
03927    char *ctg = NULL;
03928 #ifdef   NEW_ASTERISK
03929    struct ast_flags zeroflag = {0};
03930 #endif
03931 
03932    if (hid_device_mklist()) {
03933       ast_log(LOG_NOTICE, "Unable to make hid list\n");
03934       return AST_MODULE_LOAD_DECLINE;
03935    }
03936 
03937    usb_list_check("");
03938 
03939    usbradio_active = NULL;
03940 
03941    /* Copy the default jb config over global_jbconf */
03942    memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf));
03943 
03944    /* load config file */
03945 #ifdef   NEW_ASTERISK
03946    if (!(cfg = ast_config_load(config,zeroflag)) || cfg == CONFIG_STATUS_FILEINVALID) {
03947 #else
03948    if (!(cfg = ast_config_load(config))) || cfg == CONFIG_STATUS_FILEINVALID {
03949 #endif
03950       ast_log(LOG_NOTICE, "Unable to load config %s\n", config);
03951       return AST_MODULE_LOAD_DECLINE;
03952    }
03953 
03954    do {
03955       store_config(cfg, ctg);
03956    } while ( (ctg = ast_category_browse(cfg, ctg)) != NULL);
03957 
03958    ast_config_destroy(cfg);
03959 
03960    if (find_desc(usbradio_active) == NULL) {
03961       ast_log(LOG_NOTICE, "radio active device %s not found\n", usbradio_active);
03962       /* XXX we could default to 'dsp' perhaps ? */
03963       /* XXX should cleanup allocated memory etc. */
03964       return AST_MODULE_LOAD_DECLINE;
03965    }
03966 
03967    if (ast_channel_register(&usbradio_tech)) {
03968       ast_log(LOG_ERROR, "Unable to register channel type 'usb'\n");
03969       return AST_MODULE_LOAD_DECLINE;
03970    }
03971 
03972    ast_cli_register_multiple(cli_usbradio, ARRAY_LEN(cli_usbradio));
03973 
03974    return AST_MODULE_LOAD_SUCCESS;
03975 }
03976 /*
03977 */
03978 static int unload_module(void)
03979 {
03980    struct chan_usbradio_pvt *o;
03981 
03982    ast_log(LOG_WARNING, "unload_module() called\n");
03983 
03984    ast_channel_unregister(&usbradio_tech);
03985    ast_cli_unregister_multiple(cli_usbradio, ARRAY_LEN(cli_usbradio));
03986 
03987    for (o = usbradio_default.next; o; o = o->next) {
03988 
03989       ast_log(LOG_WARNING, "destroyPmrChannel() called\n");
03990       if(o->pmrChan)destroyPmrChannel(o->pmrChan);
03991       
03992       #if DEBUG_CAPTURES == 1
03993       if (frxcapraw) { fclose(frxcapraw); frxcapraw = NULL; }
03994       if (frxcaptrace) { fclose(frxcaptrace); frxcaptrace = NULL; }
03995       if (frxoutraw) { fclose(frxoutraw); frxoutraw = NULL; }
03996       if (ftxcapraw) { fclose(ftxcapraw); ftxcapraw = NULL; }
03997       if (ftxcaptrace) { fclose(ftxcaptrace); ftxcaptrace = NULL; }
03998       if (ftxoutraw) { fclose(ftxoutraw); ftxoutraw = NULL; }
03999       #endif
04000 
04001       close(o->sounddev);
04002 #ifndef  NEW_ASTERISK
04003       if (o->sndcmd[0] > 0) {
04004          close(o->sndcmd[0]);
04005          close(o->sndcmd[1]);
04006       }
04007 #endif
04008       if (o->dsp) ast_dsp_free(o->dsp);
04009       if (o->owner)
04010          ast_softhangup(o->owner, AST_SOFTHANGUP_APPUNLOAD);
04011       if (o->owner)        /* XXX how ??? */
04012          return -1;
04013       /* XXX what about the thread ? */
04014       /* XXX what about the memory allocated ? */
04015    }
04016    return 0;
04017 }
04018 
04019 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "usb Console Channel Driver");
04020 
04021 /* end of file */
04022 
04023