2002-05-30 17:38:34 +00:00
|
|
|
/*
|
2005-09-14 20:46:50 +00:00
|
|
|
* Asterisk -- An open source telephony toolkit.
|
2002-05-30 17:38:34 +00:00
|
|
|
*
|
2005-09-14 20:46:50 +00:00
|
|
|
* Copyright (C) 1999 - 2005, Digium, Inc.
|
|
|
|
*
|
|
|
|
* Mark Spencer <markster@digium.com>
|
2002-05-30 17:38:34 +00:00
|
|
|
*
|
2005-09-14 20:46:50 +00:00
|
|
|
* See http://www.asterisk.org for more information about
|
|
|
|
* the Asterisk project. Please do not directly contact
|
|
|
|
* any of the maintainers of this project for assistance;
|
|
|
|
* the project provides a web site, mailing lists and IRC
|
|
|
|
* channels for your use.
|
2002-05-30 17:38:34 +00:00
|
|
|
*
|
|
|
|
* This program is free software, distributed under the terms of
|
2005-09-14 20:46:50 +00:00
|
|
|
* the GNU General Public License Version 2. See the LICENSE file
|
|
|
|
* at the top of the source tree.
|
|
|
|
*/
|
|
|
|
|
2005-10-24 20:12:06 +00:00
|
|
|
/*! \file
|
2005-09-14 20:46:50 +00:00
|
|
|
*
|
2005-10-24 20:12:06 +00:00
|
|
|
* \brief Digital Milliwatt Test
|
2005-12-30 21:18:06 +00:00
|
|
|
*
|
|
|
|
* \author Mark Spencer <markster@digium.com>
|
2005-09-14 20:46:50 +00:00
|
|
|
*
|
2005-11-06 15:09:47 +00:00
|
|
|
* \ingroup applications
|
2002-05-30 17:38:34 +00:00
|
|
|
*/
|
|
|
|
|
2006-06-07 18:54:56 +00:00
|
|
|
#include "asterisk.h"
|
|
|
|
|
|
|
|
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
|
|
|
|
|
2005-04-21 06:02:45 +00:00
|
|
|
#include "asterisk/module.h"
|
2007-11-22 03:50:04 +00:00
|
|
|
#include "asterisk/channel.h"
|
2008-05-29 17:46:04 +00:00
|
|
|
#include "asterisk/pbx.h"
|
2009-08-01 11:02:07 +00:00
|
|
|
#include "asterisk/indications.h"
|
2002-05-30 17:38:34 +00:00
|
|
|
|
2008-11-01 21:10:07 +00:00
|
|
|
/*** DOCUMENTATION
|
|
|
|
<application name="Milliwatt" language="en_US">
|
|
|
|
<synopsis>
|
|
|
|
Generate a Constant 1004Hz tone at 0dbm (mu-law).
|
|
|
|
</synopsis>
|
|
|
|
<syntax>
|
|
|
|
<parameter name="options">
|
|
|
|
<optionlist>
|
|
|
|
<option name="o">
|
|
|
|
<para>Generate the tone at 1000Hz like previous version.</para>
|
|
|
|
</option>
|
|
|
|
</optionlist>
|
|
|
|
</parameter>
|
|
|
|
</syntax>
|
|
|
|
<description>
|
|
|
|
<para>Previous versions of this application generated the tone at 1000Hz. If for
|
|
|
|
some reason you would prefer that behavior, supply the <literal>o</literal> option to get the
|
|
|
|
old behavior.</para>
|
|
|
|
</description>
|
|
|
|
</application>
|
|
|
|
***/
|
2002-05-30 17:38:34 +00:00
|
|
|
|
2009-05-21 21:13:09 +00:00
|
|
|
static const char app[] = "Milliwatt";
|
2002-05-30 17:38:34 +00:00
|
|
|
|
2009-05-21 21:13:09 +00:00
|
|
|
static const char digital_milliwatt[] = {0x1e,0x0b,0x0b,0x1e,0x9e,0x8b,0x8b,0x9e} ;
|
2002-05-30 17:38:34 +00:00
|
|
|
|
|
|
|
static void *milliwatt_alloc(struct ast_channel *chan, void *params)
|
|
|
|
{
|
2006-01-13 03:34:31 +00:00
|
|
|
return ast_calloc(1, sizeof(int));
|
2002-05-30 17:38:34 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void milliwatt_release(struct ast_channel *chan, void *data)
|
|
|
|
{
|
2007-06-06 21:20:11 +00:00
|
|
|
ast_free(data);
|
2002-05-30 17:38:34 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2003-06-27 23:02:52 +00:00
|
|
|
static int milliwatt_generate(struct ast_channel *chan, void *data, int len, int samples)
|
2002-05-30 17:38:34 +00:00
|
|
|
{
|
2006-01-19 04:21:12 +00:00
|
|
|
unsigned char buf[AST_FRIENDLY_OFFSET + 640];
|
2008-07-11 18:09:35 +00:00
|
|
|
const int maxsamples = ARRAY_LEN(buf);
|
2006-03-30 06:07:04 +00:00
|
|
|
int i, *indexp = (int *) data;
|
2006-08-29 20:50:36 +00:00
|
|
|
struct ast_frame wf = {
|
|
|
|
.frametype = AST_FRAME_VOICE,
|
|
|
|
.subclass = AST_FORMAT_ULAW,
|
|
|
|
.offset = AST_FRIENDLY_OFFSET,
|
|
|
|
.src = __FUNCTION__,
|
|
|
|
};
|
2008-05-22 16:29:54 +00:00
|
|
|
wf.data.ptr = buf + AST_FRIENDLY_OFFSET;
|
2006-03-30 06:07:04 +00:00
|
|
|
|
|
|
|
/* Instead of len, use samples, because channel.c generator_force
|
|
|
|
* generate(chan, tmp, 0, 160) ignores len. In any case, len is
|
|
|
|
* a multiple of samples, given by number of samples times bytes per
|
|
|
|
* sample. In the case of ulaw, len = samples. for signed linear
|
|
|
|
* len = 2 * samples */
|
|
|
|
if (samples > maxsamples) {
|
|
|
|
ast_log(LOG_WARNING, "Only doing %d samples (%d requested)\n", maxsamples, samples);
|
|
|
|
samples = maxsamples;
|
2002-05-30 17:38:34 +00:00
|
|
|
}
|
2008-05-29 17:46:04 +00:00
|
|
|
|
2006-03-30 06:07:04 +00:00
|
|
|
len = samples * sizeof (buf[0]);
|
2002-05-30 17:38:34 +00:00
|
|
|
wf.datalen = len;
|
2006-03-30 06:07:04 +00:00
|
|
|
wf.samples = samples;
|
2007-02-15 01:52:10 +00:00
|
|
|
|
2002-05-30 17:38:34 +00:00
|
|
|
/* create a buffer containing the digital milliwatt pattern */
|
2007-02-15 01:52:10 +00:00
|
|
|
for (i = 0; i < len; i++) {
|
2006-01-19 04:21:12 +00:00
|
|
|
buf[AST_FRIENDLY_OFFSET + i] = digital_milliwatt[(*indexp)++];
|
2002-05-30 17:38:34 +00:00
|
|
|
*indexp &= 7;
|
|
|
|
}
|
2007-02-15 01:52:10 +00:00
|
|
|
|
|
|
|
if (ast_write(chan,&wf) < 0) {
|
2002-05-30 17:38:34 +00:00
|
|
|
ast_log(LOG_WARNING,"Failed to write frame to '%s': %s\n",chan->name,strerror(errno));
|
|
|
|
return -1;
|
|
|
|
}
|
2007-02-15 01:52:10 +00:00
|
|
|
|
2002-05-30 17:38:34 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2008-05-29 17:46:04 +00:00
|
|
|
static struct ast_generator milliwattgen = {
|
2002-05-30 17:38:34 +00:00
|
|
|
alloc: milliwatt_alloc,
|
|
|
|
release: milliwatt_release,
|
|
|
|
generate: milliwatt_generate,
|
2007-02-15 01:52:10 +00:00
|
|
|
};
|
2002-05-30 17:38:34 +00:00
|
|
|
|
2008-05-29 17:46:04 +00:00
|
|
|
static int old_milliwatt_exec(struct ast_channel *chan)
|
2002-05-30 17:38:34 +00:00
|
|
|
{
|
2004-04-06 22:17:32 +00:00
|
|
|
ast_set_write_format(chan, AST_FORMAT_ULAW);
|
|
|
|
ast_set_read_format(chan, AST_FORMAT_ULAW);
|
2007-02-15 01:52:10 +00:00
|
|
|
|
2008-05-29 17:46:04 +00:00
|
|
|
if (chan->_state != AST_STATE_UP) {
|
2002-05-30 17:38:34 +00:00
|
|
|
ast_answer(chan);
|
2008-05-29 17:46:04 +00:00
|
|
|
}
|
2007-02-15 01:52:10 +00:00
|
|
|
|
|
|
|
if (ast_activate_generator(chan,&milliwattgen,"milliwatt") < 0) {
|
2002-05-30 17:38:34 +00:00
|
|
|
ast_log(LOG_WARNING,"Failed to activate generator on '%s'\n",chan->name);
|
|
|
|
return -1;
|
|
|
|
}
|
2007-02-15 01:52:10 +00:00
|
|
|
|
2008-05-29 17:46:04 +00:00
|
|
|
while (!ast_safe_sleep(chan, 10000))
|
|
|
|
;
|
2007-02-15 01:52:10 +00:00
|
|
|
|
2002-05-30 17:38:34 +00:00
|
|
|
ast_deactivate_generator(chan);
|
2007-02-15 01:52:10 +00:00
|
|
|
|
2002-05-30 17:38:34 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2009-05-21 21:13:09 +00:00
|
|
|
static int milliwatt_exec(struct ast_channel *chan, const char *data)
|
2008-05-29 17:46:04 +00:00
|
|
|
{
|
|
|
|
const char *options = data;
|
|
|
|
int res = -1;
|
|
|
|
|
|
|
|
if (!ast_strlen_zero(options) && strchr(options, 'o')) {
|
|
|
|
return old_milliwatt_exec(chan);
|
|
|
|
}
|
|
|
|
|
2009-08-01 11:02:07 +00:00
|
|
|
res = ast_playtones_start(chan, 23255, "1004/1000", 0);
|
2008-05-29 17:46:04 +00:00
|
|
|
|
|
|
|
while (!res) {
|
2008-05-29 19:05:33 +00:00
|
|
|
res = ast_safe_sleep(chan, 10000);
|
2008-05-29 17:46:04 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2006-08-21 02:11:39 +00:00
|
|
|
static int unload_module(void)
|
2002-05-30 17:38:34 +00:00
|
|
|
{
|
2007-07-16 13:35:20 +00:00
|
|
|
return ast_unregister_application(app);
|
2002-05-30 17:38:34 +00:00
|
|
|
}
|
|
|
|
|
2006-08-21 02:11:39 +00:00
|
|
|
static int load_module(void)
|
2002-05-30 17:38:34 +00:00
|
|
|
{
|
2008-11-01 21:10:07 +00:00
|
|
|
return ast_register_application_xml(app, milliwatt_exec);
|
2002-05-30 17:38:34 +00:00
|
|
|
}
|
|
|
|
|
2006-08-21 02:11:39 +00:00
|
|
|
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Digital Milliwatt (mu-law) Test Application");
|