diff options
Diffstat (limited to 'plugins/xmm/mm-modem-helpers-xmm.c')
| -rw-r--r-- | plugins/xmm/mm-modem-helpers-xmm.c | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/plugins/xmm/mm-modem-helpers-xmm.c b/plugins/xmm/mm-modem-helpers-xmm.c index 1c2280af..6b2e98d3 100644 --- a/plugins/xmm/mm-modem-helpers-xmm.c +++ b/plugins/xmm/mm-modem-helpers-xmm.c @@ -18,6 +18,7 @@ #include "mm-log.h" #include "mm-modem-helpers.h" #include "mm-modem-helpers-xmm.h" +#include "mm-signal.h" /*****************************************************************************/ /* XACT common config */ @@ -593,3 +594,217 @@ mm_xmm_get_modem_mode_any (const GArray *combinations) g_assert (any != MM_MODEM_MODE_NONE); return any; } + +/*****************************************************************************/ +/* +XCESQ? response parser */ +gboolean +mm_xmm_parse_xcesq_query_response (const gchar *response, + guint *out_rxlev, + guint *out_ber, + guint *out_rscp, + guint *out_ecn0, + guint *out_rsrq, + guint *out_rsrp, + gint *out_rssnr, + GError **error) +{ + GRegex *r; + GMatchInfo *match_info; + GError *inner_error = NULL; + guint rxlev = 99; + guint ber = 99; + guint rscp = 255; + guint ecn0 = 255; + guint rsrq = 255; + guint rsrp = 255; + gint rssnr = 255; + gboolean success = FALSE; + + g_assert (out_rxlev); + g_assert (out_ber); + g_assert (out_rscp); + g_assert (out_ecn0); + g_assert (out_rsrq); + g_assert (out_rsrp); + g_assert (out_rssnr); + + /* Response may be e.g.: + * +XCESQ: 0,99,99,255,255,24,51,18 + * +XCESQ: 0,99,99,46,31,255,255,255 + * +XCESQ: 0,99,99,255,255,17,45,-2 + */ + r = g_regex_new ("\\+XCESQ: (\\d+),(\\d+),(\\d+),(\\d+),(\\d+),(\\d+),(\\d+),(-?\\d+)(?:\\r\\n)?", 0, 0, NULL); + g_assert (r != NULL); + + g_regex_match_full (r, response, strlen (response), 0, 0, &match_info, &inner_error); + if (!inner_error && g_match_info_matches (match_info)) { + /* Ignore "n" value */ + if (!mm_get_uint_from_match_info (match_info, 2, &rxlev)) { + inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't read RXLEV"); + goto out; + } + if (!mm_get_uint_from_match_info (match_info, 3, &ber)) { + inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't read BER"); + goto out; + } + if (!mm_get_uint_from_match_info (match_info, 4, &rscp)) { + inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't read RSCP"); + goto out; + } + if (!mm_get_uint_from_match_info (match_info, 5, &ecn0)) { + inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't read Ec/N0"); + goto out; + } + if (!mm_get_uint_from_match_info (match_info, 6, &rsrq)) { + inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't read RSRQ"); + goto out; + } + if (!mm_get_uint_from_match_info (match_info, 7, &rsrp)) { + inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't read RSRP"); + goto out; + } + if (!mm_get_int_from_match_info (match_info, 8, &rssnr)) { + inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't read RSSNR"); + goto out; + } + success = TRUE; + } + +out: + + if (match_info) + g_match_info_free (match_info); + g_regex_unref (r); + + if (inner_error) { + g_propagate_error (error, inner_error); + return FALSE; + } + + if (!success) { + g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED, + "Couldn't parse +XCESQ response: %s", response); + return FALSE; + } + + *out_rxlev = rxlev; + *out_ber = ber; + *out_rscp = rscp; + *out_ecn0 = ecn0; + *out_rsrq = rsrq; + *out_rsrp = rsrp; + *out_rssnr = rssnr; + return TRUE; +} + +static gboolean +rssnr_level_to_rssnr (gint rssnr_level, + gdouble *out_rssnr) +{ + if (rssnr_level <= 100 && + rssnr_level >= -100) { + *out_rssnr = rssnr_level / 2.0; + return TRUE; + } + + if (rssnr_level != 255) + mm_warn ("unexpected RSSNR level: %u", rssnr_level); + return FALSE; +} + + +/*****************************************************************************/ +/* Get extended signal information */ +gboolean +mm_xmm_xcesq_response_to_signal_info (const gchar *response, + MMSignal **out_gsm, + MMSignal **out_umts, + MMSignal **out_lte, + GError **error) +{ + guint rxlev = 0; + guint ber = 0; + guint rscp_level = 0; + guint ecn0_level = 0; + guint rsrq_level = 0; + guint rsrp_level = 0; + gint rssnr_level = 0; + gdouble rssi = MM_SIGNAL_UNKNOWN; + gdouble rscp = MM_SIGNAL_UNKNOWN; + gdouble ecio = MM_SIGNAL_UNKNOWN; + gdouble rsrq = MM_SIGNAL_UNKNOWN; + gdouble rsrp = MM_SIGNAL_UNKNOWN; + gdouble rssnr = MM_SIGNAL_UNKNOWN; + MMSignal *gsm = NULL; + MMSignal *umts = NULL; + MMSignal *lte = NULL; + + if (!mm_xmm_parse_xcesq_query_response (response, + &rxlev, &ber, + &rscp_level, &ecn0_level, + &rsrq_level, &rsrp_level, + &rssnr_level, error)) + return FALSE; + + /* GERAN RSSI */ + if (mm_3gpp_rxlev_to_rssi (rxlev, &rssi)) { + gsm = mm_signal_new (); + mm_signal_set_rssi (gsm, rssi); + } + + /* ignore BER */ + + /* UMTS RSCP */ + if (mm_3gpp_rscp_level_to_rscp (rscp_level, &rscp)) { + umts = mm_signal_new (); + mm_signal_set_rscp (umts, rscp); + } + + /* UMTS EcIo (assumed EcN0) */ + if (mm_3gpp_ecn0_level_to_ecio (ecn0_level, &ecio)) { + if (!umts) + umts = mm_signal_new (); + mm_signal_set_ecio (umts, ecio); + } + + /* Calculate RSSI if we have ecio and rscp */ + if (umts && ecio != -G_MAXDOUBLE && rscp != -G_MAXDOUBLE) + { + mm_signal_set_rssi (umts, rscp - ecio); + } + + /* LTE RSRQ */ + if (mm_3gpp_rsrq_level_to_rsrq (rsrq_level, &rsrq)) { + lte = mm_signal_new (); + mm_signal_set_rsrq (lte, rsrq); + } + + /* LTE RSRP */ + if (mm_3gpp_rsrp_level_to_rsrp (rsrp_level, &rsrp)) { + if (!lte) + lte = mm_signal_new (); + mm_signal_set_rsrp (lte, rsrp); + } + + /* LTE RSSNR */ + if (rssnr_level_to_rssnr (rssnr_level, &rssnr)) { + if (!lte) + lte = mm_signal_new (); + mm_signal_set_snr (lte, rssnr); + } + + if (!gsm && !umts && !lte) { + g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED, + "Couldn't build detailed signal info"); + return FALSE; + } + + if (gsm) + *out_gsm = gsm; + if (umts) + *out_umts = umts; + if (lte) + *out_lte = lte; + + return TRUE; +} |