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*
* oFono - Open Source Telephony
*
* Copyright (C) 2008-2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <glib.h>
#include <gatchat.h>
#include <gatresult.h>
#include <ofono/log.h>
#include <ofono/modem.h>
#include <ofono/emulator.h>
#include <ofono/handsfree-audio.h>
#include <drivers/atmodem/atutil.h>
#include "hfp.h"
#include "slc.h"
static const char *brsf_prefix[] = { "+BRSF:", NULL };
static const char *cind_prefix[] = { "+CIND:", NULL };
static const char *cmer_prefix[] = { "+CMER:", NULL };
static const char *chld_prefix[] = { "+CHLD:", NULL };
struct slc_establish_data {
gint ref_count;
struct hfp_slc_info *info;
hfp_slc_cb_t failed_cb;
hfp_slc_cb_t connect_cb;
gpointer userdata;
};
void hfp_slc_info_init(struct hfp_slc_info *info, guint16 version)
{
info->ag_features = 0;
info->ag_mpty_features = 0;
info->hf_features = HFP_HF_FEATURE_ECNR;
info->hf_features |= HFP_HF_FEATURE_3WAY;
info->hf_features |= HFP_HF_FEATURE_CLIP;
info->hf_features |= HFP_HF_FEATURE_REMOTE_VOLUME_CONTROL;
info->hf_features |= HFP_HF_FEATURE_VOICE_RECOGNITION;
if (version < HFP_VERSION_1_5)
goto done;
info->hf_features |= HFP_HF_FEATURE_ENHANCED_CALL_STATUS;
info->hf_features |= HFP_HF_FEATURE_ENHANCED_CALL_CONTROL;
if (version < HFP_VERSION_1_6)
goto done;
info->hf_features |= HFP_HF_FEATURE_CODEC_NEGOTIATION;
done:
memset(info->cind_val, 0, sizeof(info->cind_val));
memset(info->cind_pos, 0, sizeof(info->cind_pos));
}
static void slc_establish_data_unref(gpointer userdata)
{
struct slc_establish_data *sed = userdata;
if (g_atomic_int_dec_and_test(&sed->ref_count))
g_free(sed);
}
static void slc_establish_data_ref(struct slc_establish_data *sed)
{
g_atomic_int_inc(&sed->ref_count);
}
static void slc_failed(struct slc_establish_data *sed)
{
sed->failed_cb(sed->userdata);
}
static void slc_established(struct slc_establish_data *sed)
{
struct hfp_slc_info *info = sed->info;
g_at_chat_send(info->chat, "AT+CMEE=1", NULL, NULL, NULL, NULL);
sed->connect_cb(sed->userdata);
}
static void chld_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct slc_establish_data *sed = user_data;
struct hfp_slc_info *info = sed->info;
unsigned int ag_mpty_feature = 0;
GAtResultIter iter;
const char *str;
if (!ok)
goto error;
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CHLD:"))
goto error;
if (!g_at_result_iter_open_list(&iter))
goto error;
while (g_at_result_iter_next_unquoted_string(&iter, &str)) {
if (!strcmp(str, "0"))
ag_mpty_feature |= HFP_AG_CHLD_0;
else if (!strcmp(str, "1"))
ag_mpty_feature |= HFP_AG_CHLD_1;
else if (!strcmp(str, "1x"))
ag_mpty_feature |= HFP_AG_CHLD_1x;
else if (!strcmp(str, "2"))
ag_mpty_feature |= HFP_AG_CHLD_2;
else if (!strcmp(str, "2x"))
ag_mpty_feature |= HFP_AG_CHLD_2x;
else if (!strcmp(str, "3"))
ag_mpty_feature |= HFP_AG_CHLD_3;
else if (!strcmp(str, "4"))
ag_mpty_feature |= HFP_AG_CHLD_4;
}
if (!g_at_result_iter_close_list(&iter))
goto error;
info->ag_mpty_features = ag_mpty_feature;
slc_established(sed);
return;
error:
slc_failed(sed);
}
static void cmer_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct slc_establish_data *sed = user_data;
struct hfp_slc_info *info = sed->info;
if (!ok) {
slc_failed(sed);
return;
}
if (info->ag_features & HFP_AG_FEATURE_3WAY) {
slc_establish_data_ref(sed);
g_at_chat_send(info->chat, "AT+CHLD=?", chld_prefix,
chld_cb, sed, slc_establish_data_unref);
} else
slc_established(sed);
}
static void cind_status_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct slc_establish_data *sed = user_data;
struct hfp_slc_info *info = sed->info;
GAtResultIter iter;
int index;
int value;
if (!ok)
goto error;
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CIND:"))
goto error;
index = 1;
while (g_at_result_iter_next_number(&iter, &value)) {
int i;
for (i = 0; i < HFP_INDICATOR_LAST; i++) {
if (index != info->cind_pos[i])
continue;
info->cind_val[i] = value;
}
index += 1;
}
slc_establish_data_ref(sed);
g_at_chat_send(info->chat, "AT+CMER=3,0,0,1", cmer_prefix,
cmer_cb, sed, slc_establish_data_unref);
return;
error:
slc_failed(sed);
}
static void cind_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct slc_establish_data *sed = user_data;
struct hfp_slc_info *info = sed->info;
GAtResultIter iter;
const char *str;
int index;
int min, max;
if (!ok)
goto error;
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CIND:"))
goto error;
index = 1;
while (g_at_result_iter_open_list(&iter)) {
if (!g_at_result_iter_next_string(&iter, &str))
goto error;
if (!g_at_result_iter_open_list(&iter))
goto error;
while (g_at_result_iter_next_range(&iter, &min, &max))
;
if (!g_at_result_iter_close_list(&iter))
goto error;
if (!g_at_result_iter_close_list(&iter))
goto error;
if (g_str_equal("service", str) == TRUE)
info->cind_pos[HFP_INDICATOR_SERVICE] = index;
else if (g_str_equal("call", str) == TRUE)
info->cind_pos[HFP_INDICATOR_CALL] = index;
else if (g_str_equal("callsetup", str) == TRUE)
info->cind_pos[HFP_INDICATOR_CALLSETUP] = index;
else if (g_str_equal("callheld", str) == TRUE)
info->cind_pos[HFP_INDICATOR_CALLHELD] = index;
else if (g_str_equal("signal", str) == TRUE)
info->cind_pos[HFP_INDICATOR_SIGNAL] = index;
else if (g_str_equal("roam", str) == TRUE)
info->cind_pos[HFP_INDICATOR_ROAM] = index;
else if (g_str_equal("battchg", str) == TRUE)
info->cind_pos[HFP_INDICATOR_BATTCHG] = index;
index += 1;
}
slc_establish_data_ref(sed);
g_at_chat_send(info->chat, "AT+CIND?", cind_prefix,
cind_status_cb, sed, slc_establish_data_unref);
return;
error:
slc_failed(sed);
}
static void bac_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct slc_establish_data *sed = user_data;
struct hfp_slc_info *info = sed->info;
if (!ok) {
slc_failed(sed);
return;
}
slc_establish_data_ref(sed);
g_at_chat_send(info->chat, "AT+CIND=?", cind_prefix,
cind_cb, sed, slc_establish_data_unref);
}
static void brsf_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct slc_establish_data *sed = user_data;
struct hfp_slc_info *info = sed->info;
GAtResultIter iter;
if (!ok)
goto error;
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+BRSF:"))
goto error;
g_at_result_iter_next_number(&iter, (gint *)&info->ag_features);
if (info->ag_features & HFP_AG_FEATURE_CODEC_NEGOTIATION &&
info->hf_features & HFP_HF_FEATURE_CODEC_NEGOTIATION) {
char str[32];
memset(str, 0, sizeof(str));
if (ofono_handsfree_audio_has_wideband())
sprintf(str, "AT+BAC=%d,%d", HFP_CODEC_CVSD,
HFP_CODEC_MSBC);
else
sprintf(str, "AT+BAC=%d", HFP_CODEC_CVSD);
slc_establish_data_ref(sed);
g_at_chat_send(info->chat, str, NULL, bac_cb, sed,
slc_establish_data_unref);
return;
}
slc_establish_data_ref(sed);
g_at_chat_send(info->chat, "AT+CIND=?", cind_prefix,
cind_cb, sed, slc_establish_data_unref);
return;
error:
slc_failed(sed);
}
void hfp_slc_establish(struct hfp_slc_info *info, hfp_slc_cb_t connect_cb,
hfp_slc_cb_t failed_cb, void *userdata)
{
char buf[64];
struct slc_establish_data *sed = g_new0(struct slc_establish_data, 1);
sed->ref_count = 1;
sed->connect_cb = connect_cb;
sed->failed_cb = failed_cb;
sed->userdata = userdata;
sed->info = info;
snprintf(buf, sizeof(buf), "AT+BRSF=%d", info->hf_features);
g_at_chat_send(info->chat, buf, brsf_prefix,
brsf_cb, sed, slc_establish_data_unref);
}
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