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ofono
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atmodem: Use CSQ based notification for IFX signal strength 

Since the XCIEV notifications are unclear, use XCSQ notifcations to
report signal strength updates.
This commit is contained in:
Marcel Holtmann 2012-02-16 08:20:29 +01:00
parent bba5a1a000
commit 04ab1b2863
1 changed files with 31 additions and 0 deletions
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31
drivers/atmodem/network-registration.c
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@ -702,6 +702,33 @@ static void ifx_xciev_notify(GAtResult *result, gpointer user_data)
*/
}
static void ifx_xcsq_notify(GAtResult *result, gpointer user_data)
{
struct ofono_netreg *netreg = user_data;
int rssi, ber, strength;
GAtResultIter iter;
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+XCSQ:"))
return;
if (!g_at_result_iter_next_number(&iter, &rssi))
return;
if (!g_at_result_iter_next_number(&iter, &ber))
return;
DBG("rssi %d ber %d", rssi, ber);
if (rssi == 99)
strength = -1;
else
strength = (rssi * 100) / 31;
ofono_netreg_strength_notify(netreg, strength);
}
static void ciev_notify(GAtResult *result, gpointer user_data)
{
struct ofono_netreg *netreg = user_data;
@ -1470,6 +1497,10 @@ static void at_creg_set_cb(gboolean ok, GAtResult *result, gpointer user_data)
/* Register for specific signal strength reports */
g_at_chat_register(nd->chat, "+XCIEV:", ifx_xciev_notify,
FALSE, netreg, NULL);
g_at_chat_register(nd->chat, "+XCSQ:", ifx_xcsq_notify,
FALSE, netreg, NULL);
g_at_chat_send(nd->chat, "AT+XCSQ=1", none_prefix,
NULL, NULL, NULL);
g_at_chat_send(nd->chat, "AT+XMER=1", none_prefix,
NULL, NULL, NULL);