diff options
| -rw-r--r-- | plugins/mm-broadband-modem-iridium.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/plugins/mm-broadband-modem-iridium.c b/plugins/mm-broadband-modem-iridium.c index 1a9753f2..4b3f3cf4 100644 --- a/plugins/mm-broadband-modem-iridium.c +++ b/plugins/mm-broadband-modem-iridium.c @@ -30,6 +30,7 @@ #include "mm-iface-modem-messaging.h" #include "mm-broadband-modem-iridium.h" #include "mm-sim-iridium.h" +#include "mm-modem-helpers.h" static void iface_modem_init (MMIfaceModem *iface); @@ -37,6 +38,56 @@ G_DEFINE_TYPE_EXTENDED (MMBroadbandModemIridium, mm_broadband_modem_iridium, MM_ G_IMPLEMENT_INTERFACE (MM_TYPE_IFACE_MODEM, iface_modem_init)); /*****************************************************************************/ +/* Signal quality (Modem interface) */ + +static guint +load_signal_quality_finish (MMIfaceModem *self, + GAsyncResult *res, + GError **error) +{ + gint quality = 0; + const gchar *result; + + result = mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, error); + if (!result) + return 0; + + /* Skip possible whitespaces after '+CSQF:' and before the response */ + result = mm_strip_tag (result, "+CSQF:"); + while (*result == ' ') + result++; + + if (sscanf (result, "%d", &quality)) + /* Normalize the quality. <rssi> is NOT given in dBs, + * given as a relative value between 0 and 5 */ + quality = CLAMP (quality, 0, 5) * 100 / 5; + else + g_set_error (error, + MM_CORE_ERROR, + MM_CORE_ERROR_FAILED, + "Could not parse signal quality results"); + + return quality; +} + +static void +load_signal_quality (MMIfaceModem *self, + GAsyncReadyCallback callback, + gpointer user_data) +{ + /* The iridium modem may have a huge delay to get signal quality if we pass + * AT+CSQ, so we'll default to use AT+CSQF, which is a fast version that + * returns right away the last signal quality value retrieved */ + mm_base_modem_at_command (MM_BASE_MODEM (self), + "+CSQF", + 3, + FALSE, + NULL, /* cancellable */ + callback, + user_data); +} + +/*****************************************************************************/ /* Flow control (Modem interface) */ static gboolean @@ -149,6 +200,10 @@ iface_modem_init (MMIfaceModem *iface) iface->create_sim = create_sim; iface->create_sim_finish = create_sim_finish; + /* CSQF-based signal quality */ + iface->load_signal_quality = load_signal_quality; + iface->load_signal_quality_finish = load_signal_quality_finish; + /* RTS/CTS flow control */ iface->setup_flow_control = setup_flow_control; iface->setup_flow_control_finish = setup_flow_control_finish; |