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ofono
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atmodem: Add Cinterion quirk for signal strength 

Implement OFONO_VENDOR_CINTERION specific vendor support to register
textual +CIEV indications for signal strength using AT^SIND command.
This commit is contained in:
Alex J Lennon 2015-05-12 18:23:00 +01:00 committed by Denis Kenzior
parent b31a3c2390
commit 4242f6ee72
2 changed files with 55 additions and 0 deletions
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54
drivers/atmodem/network-registration.c
View File

@ -838,6 +838,39 @@ static void telit_ciev_notify(GAtResult *result, gpointer user_data)
ofono_netreg_strength_notify(netreg, strength);
}
static void cinterion_ciev_notify(GAtResult *result, gpointer user_data)
{
struct ofono_netreg *netreg = user_data;
struct netreg_data *nd = ofono_netreg_get_data(netreg);
const char *signal_identifier = "rssi";
const char *ind_str;
int strength;
GAtResultIter iter;
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CIEV:"))
return;
if (!g_at_result_iter_next_unquoted_string(&iter, &ind_str))
return;
if (!g_str_equal(signal_identifier, ind_str))
return;
if (!g_at_result_iter_next_number(&iter, &strength))
return;
DBG("rssi %d", strength);
if (strength == nd->signal_invalid)
strength = -1;
else
strength = (strength * 100) / (nd->signal_max - nd->signal_min);
ofono_netreg_strength_notify(netreg, strength);
}
static void ctzv_notify(GAtResult *result, gpointer user_data)
{
struct ofono_netreg *netreg = user_data;
@ -1915,6 +1948,27 @@ static void at_creg_set_cb(gboolean ok, GAtResult *result, gpointer user_data)
g_at_chat_send(nd->chat, "AT*TLTS=1", none_prefix,
NULL, NULL, NULL);
break;
case OFONO_VENDOR_CINTERION:
/*
* We can't set rssi bounds from Cinterion responses
* so set them up to specified values here
*
* Cinterion rssi signal strength specified as:
* 0 <= -112dBm
* 1 - 4 signal strengh in 15 dB steps
* 5 >= -51 dBm
* 99 not known or undetectable
*/
nd->signal_min = 0;
nd->signal_max = 5;
nd->signal_invalid = 99;
/* Register for specific signal strength reports */
g_at_chat_send(nd->chat, "AT^SIND=\"rssi\",1", none_prefix,
NULL, NULL, NULL);
g_at_chat_register(nd->chat, "+CIEV:",
cinterion_ciev_notify, FALSE, netreg, NULL);
break;
case OFONO_VENDOR_NOKIA:
case OFONO_VENDOR_SAMSUNG:
/* Signal strength reporting via CIND is not supported */

1
drivers/atmodem/vendor.h
View File

@ -45,4 +45,5 @@ enum ofono_vendor {
OFONO_VENDOR_ALCATEL,
OFONO_VENDOR_QUECTEL,
OFONO_VENDOR_UBLOX,
OFONO_VENDOR_CINTERION,
};