mirror of git://git.sysmocom.de/ofono
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.
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@ -838,6 +838,39 @@ static void telit_ciev_notify(GAtResult *result, gpointer user_data)
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ofono_netreg_strength_notify(netreg, strength);
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}
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static void cinterion_ciev_notify(GAtResult *result, gpointer user_data)
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{
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struct ofono_netreg *netreg = user_data;
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struct netreg_data *nd = ofono_netreg_get_data(netreg);
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const char *signal_identifier = "rssi";
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const char *ind_str;
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int strength;
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GAtResultIter iter;
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g_at_result_iter_init(&iter, result);
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if (!g_at_result_iter_next(&iter, "+CIEV:"))
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return;
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if (!g_at_result_iter_next_unquoted_string(&iter, &ind_str))
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return;
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if (!g_str_equal(signal_identifier, ind_str))
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return;
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if (!g_at_result_iter_next_number(&iter, &strength))
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return;
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DBG("rssi %d", strength);
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if (strength == nd->signal_invalid)
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strength = -1;
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else
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strength = (strength * 100) / (nd->signal_max - nd->signal_min);
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ofono_netreg_strength_notify(netreg, strength);
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}
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static void ctzv_notify(GAtResult *result, gpointer user_data)
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{
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struct ofono_netreg *netreg = user_data;
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@ -1915,6 +1948,27 @@ static void at_creg_set_cb(gboolean ok, GAtResult *result, gpointer user_data)
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g_at_chat_send(nd->chat, "AT*TLTS=1", none_prefix,
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NULL, NULL, NULL);
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break;
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case OFONO_VENDOR_CINTERION:
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/*
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* We can't set rssi bounds from Cinterion responses
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* so set them up to specified values here
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*
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* Cinterion rssi signal strength specified as:
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* 0 <= -112dBm
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* 1 - 4 signal strengh in 15 dB steps
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* 5 >= -51 dBm
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* 99 not known or undetectable
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*/
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nd->signal_min = 0;
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nd->signal_max = 5;
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nd->signal_invalid = 99;
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/* Register for specific signal strength reports */
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g_at_chat_send(nd->chat, "AT^SIND=\"rssi\",1", none_prefix,
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NULL, NULL, NULL);
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g_at_chat_register(nd->chat, "+CIEV:",
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cinterion_ciev_notify, FALSE, netreg, NULL);
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break;
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case OFONO_VENDOR_NOKIA:
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case OFONO_VENDOR_SAMSUNG:
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/* Signal strength reporting via CIND is not supported */
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@ -45,4 +45,5 @@ enum ofono_vendor {
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OFONO_VENDOR_ALCATEL,
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OFONO_VENDOR_QUECTEL,
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OFONO_VENDOR_UBLOX,
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OFONO_VENDOR_CINTERION,
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};
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