/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details: * * Copyright (C) 2011 Ammonit Measurement GmbH * Copyright (C) 2011 Google Inc. * Author: Aleksander Morgado */ #include #include #include #include #include #include #include "ModemManager.h" #include "mm-modem-helpers.h" #include "mm-serial-parsers.h" #include "mm-log.h" #include "mm-errors-types.h" #include "mm-iface-modem.h" #include "mm-iface-modem-3gpp.h" #include "mm-iface-modem-messaging.h" #include "mm-base-modem-at.h" #include "mm-broadband-modem-cinterion.h" static void iface_modem_init (MMIfaceModem *iface); static void iface_modem_3gpp_init (MMIfaceModem3gpp *iface); static void iface_modem_messaging_init (MMIfaceModemMessaging *iface); static MMIfaceModem *iface_modem_parent; G_DEFINE_TYPE_EXTENDED (MMBroadbandModemCinterion, mm_broadband_modem_cinterion, MM_TYPE_BROADBAND_MODEM, 0, G_IMPLEMENT_INTERFACE (MM_TYPE_IFACE_MODEM, iface_modem_init) G_IMPLEMENT_INTERFACE (MM_TYPE_IFACE_MODEM_3GPP, iface_modem_3gpp_init) G_IMPLEMENT_INTERFACE (MM_TYPE_IFACE_MODEM_MESSAGING, iface_modem_messaging_init)) struct _MMBroadbandModemCinterionPrivate { /* Flag to know if we should try AT^SIND or not to get psinfo */ gboolean sind_psinfo; /* Command to go into sleep mode */ gchar *sleep_mode_cmd; }; /* Setup relationship between the band bitmask in the modem and the bitmask * in ModemManager. */ typedef struct { gchar *cinterion_band; guint n_mm_bands; MMModemBand mm_bands [4]; } CinterionBand2G; /* Table checked in both MC75i (GPRS/EDGE) and EGS5 (GPRS) references. * Note that the modem's configuration is also based on a bitmask, but as we * will just support some of the combinations, we just use strings for them. */ static const CinterionBand2G bands_2g[] = { { "1", 1, { MM_MODEM_BAND_EGSM, 0, 0, 0 }}, { "2", 1, { MM_MODEM_BAND_DCS, 0, 0, 0 }}, { "4", 1, { MM_MODEM_BAND_PCS, 0, 0, 0 }}, { "8", 1, { MM_MODEM_BAND_G850, 0, 0, 0 }}, { "3", 2, { MM_MODEM_BAND_EGSM, MM_MODEM_BAND_DCS, 0, 0 }}, { "5", 2, { MM_MODEM_BAND_EGSM, MM_MODEM_BAND_PCS, 0, 0 }}, { "10", 2, { MM_MODEM_BAND_G850, MM_MODEM_BAND_DCS, 0, 0 }}, { "12", 2, { MM_MODEM_BAND_G850, MM_MODEM_BAND_PCS, 0, 0 }}, { "15", 4, { MM_MODEM_BAND_EGSM, MM_MODEM_BAND_DCS, MM_MODEM_BAND_PCS, MM_MODEM_BAND_G850 }} }; /* Setup relationship between the 3G band bitmask in the modem and the bitmask * in ModemManager. */ typedef struct { guint32 cinterion_band_flag; MMModemBand mm_band; } CinterionBand3G; /* Table checked in HC25 (3G) reference. This table includes both 2G and 3G * frequencies. Depending on which one is configured, one access technology or * the other will be used. This may conflict with the allowed mode configuration * set, so you shouldn't for example set 3G frequency bands, and then use a * 2G-only allowed mode. */ static const CinterionBand3G bands_3g[] = { { (1 << 0), MM_MODEM_BAND_EGSM }, { (1 << 1), MM_MODEM_BAND_DCS }, { (1 << 2), MM_MODEM_BAND_PCS }, { (1 << 3), MM_MODEM_BAND_G850 }, { (1 << 4), MM_MODEM_BAND_U2100 }, { (1 << 5), MM_MODEM_BAND_U1900 }, { (1 << 6), MM_MODEM_BAND_U850 } }; /*****************************************************************************/ /* Unsolicited events enabling */ static gboolean enable_unsolicited_events_finish (MMIfaceModem3gpp *self, GAsyncResult *res, GError **error) { return !!mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, error); } static void enable_unsolicited_events (MMIfaceModem3gpp *self, GAsyncReadyCallback callback, gpointer user_data) { /* AT=CMER=[[,[,[,[,]]]]] * but should be either not set, or equal to 0 or 2. * Enabled with 2. */ mm_base_modem_at_command (MM_BASE_MODEM (self), "+CMER=3,0,0,2", 3, FALSE, callback, user_data); } /*****************************************************************************/ /* Enable unsolicited events (SMS indications) (Messaging interface) */ static gboolean messaging_enable_unsolicited_events_finish (MMIfaceModemMessaging *self, GAsyncResult *res, GError **error) { return !!mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, error); } static void messaging_enable_unsolicited_events (MMIfaceModemMessaging *self, GAsyncReadyCallback callback, gpointer user_data) { /* AT+CNMI=,[[,[,[,]]]] * but should be either not set, or equal to 1; * and can be only either 0 or 2 (EGS5) */ mm_base_modem_at_command (MM_BASE_MODEM (self), "+CNMI=2,1,2,2,1", 3, FALSE, callback, user_data); } /*****************************************************************************/ /* MODEM POWER DOWN */ static gboolean modem_power_down_finish (MMIfaceModem *self, GAsyncResult *res, GError **error) { return !g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error); } static void sleep_ready (MMBaseModem *self, GAsyncResult *res, GSimpleAsyncResult *operation_result) { GError *error = NULL; mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error); /* Ignore errors */ if (error) { mm_dbg ("Couldn't send power down command: '%s'", error->message); g_error_free (error); } g_simple_async_result_set_op_res_gboolean (operation_result, TRUE); g_simple_async_result_complete (operation_result); g_object_unref (operation_result); } static void send_sleep_mode_command (MMBroadbandModemCinterion *self, GSimpleAsyncResult *operation_result) { if (self->priv->sleep_mode_cmd && self->priv->sleep_mode_cmd[0]) { mm_base_modem_at_command (MM_BASE_MODEM (self), self->priv->sleep_mode_cmd, 5, FALSE, (GAsyncReadyCallback)sleep_ready, operation_result); return; } /* No default command; just finish without sending anything */ g_simple_async_result_set_op_res_gboolean (operation_result, TRUE); g_simple_async_result_complete_in_idle (operation_result); g_object_unref (operation_result); } static void supported_functionality_status_query_ready (MMBroadbandModemCinterion *self, GAsyncResult *res, GSimpleAsyncResult *operation_result) { const gchar *response; GError *error = NULL; g_assert (self->priv->sleep_mode_cmd == NULL); response = mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error); if (!response) { mm_warn ("Couldn't query supported functionality status: '%s'", error->message); g_error_free (error); self->priv->sleep_mode_cmd = g_strdup (""); } else { /* We need to get which power-off command to use to put the modem in low * power mode (with serial port open for AT commands, but with RF switched * off). According to the documentation of various Cinterion modems, some * support AT+CFUN=4 (HC25) and those which don't support it can use * AT+CFUN=7 (CYCLIC SLEEP mode with 2s timeout after last character * received in the serial port). * * So, just look for '4' in the reply; if not found, look for '7', and if * not found, report warning and don't use any. */ if (strstr (response, "4") != NULL) { mm_dbg ("Device supports CFUN=4 sleep mode"); self->priv->sleep_mode_cmd = g_strdup ("+CFUN=4"); } else if (strstr (response, "7") != NULL) { mm_dbg ("Device supports CFUN=7 sleep mode"); self->priv->sleep_mode_cmd = g_strdup ("+CFUN=7"); } else { mm_warn ("Unknown functionality mode to go into sleep mode"); self->priv->sleep_mode_cmd = g_strdup (""); } } send_sleep_mode_command (self, operation_result); } static void modem_power_down (MMIfaceModem *self, GAsyncReadyCallback callback, gpointer user_data) { MMBroadbandModemCinterion *cinterion = MM_BROADBAND_MODEM_CINTERION (self); GSimpleAsyncResult *result; result = g_simple_async_result_new (G_OBJECT (self), callback, user_data, modem_power_down); /* If sleep command already decided, use it. */ if (cinterion->priv->sleep_mode_cmd) send_sleep_mode_command (MM_BROADBAND_MODEM_CINTERION (self), result); else mm_base_modem_at_command ( MM_BASE_MODEM (self), "+CFUN=?", 3, FALSE, (GAsyncReadyCallback)supported_functionality_status_query_ready, result); } /*****************************************************************************/ /* ACCESS TECHNOLOGIES */ static gboolean load_access_technologies_finish (MMIfaceModem *self, GAsyncResult *res, MMModemAccessTechnology *access_technologies, guint *mask, GError **error) { if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error)) return FALSE; *access_technologies = (MMModemAccessTechnology) GPOINTER_TO_UINT ( g_simple_async_result_get_op_res_gpointer ( G_SIMPLE_ASYNC_RESULT (res))); *mask = MM_MODEM_ACCESS_TECHNOLOGY_ANY; return TRUE; } static MMModemAccessTechnology get_access_technology_from_smong_gprs_status (const gchar *gprs_status, GError **error) { if (strlen (gprs_status) == 1) { switch (gprs_status[0]) { case '0': return MM_MODEM_ACCESS_TECHNOLOGY_UNKNOWN; case '1': case '2': return MM_MODEM_ACCESS_TECHNOLOGY_GPRS; case '3': case '4': return MM_MODEM_ACCESS_TECHNOLOGY_EDGE; default: break; } } g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_INVALID_ARGS, "Couldn't get network capabilities, " "invalid GPRS status value: '%s'", gprs_status); return MM_MODEM_ACCESS_TECHNOLOGY_UNKNOWN; } static void smong_query_ready (MMBroadbandModemCinterion *self, GAsyncResult *res, GSimpleAsyncResult *operation_result) { const gchar *response; GError *error = NULL; GMatchInfo *match_info = NULL; GRegex *regex; response = mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error); if (!response) { /* Let the error be critical. */ g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete (operation_result); g_object_unref (operation_result); return; } /* The AT^SMONG command returns a cell info table, where the second * column identifies the "GPRS status", which is exactly what we want. * So we'll try to read that second number in the values row. * * AT^SMONG * GPRS Monitor * BCCH G PBCCH PAT MCC MNC NOM TA RAC # Cell # * 0776 1 - - 214 03 2 00 01 * OK */ regex = g_regex_new (".*GPRS Monitor\\r\\n" "BCCH\\s*G.*\\r\\n" "(\\d*)\\s*(\\d*)\\s*", 0, 0, NULL); if (g_regex_match_full (regex, response, strlen (response), 0, 0, &match_info, NULL)) { gchar *gprs_status; MMModemAccessTechnology act; gprs_status = g_match_info_fetch (match_info, 2); act = get_access_technology_from_smong_gprs_status (gprs_status, &error); g_free (gprs_status); if (error) g_simple_async_result_take_error (operation_result, error); else { /* We'll default to use SMONG then */ self->priv->sind_psinfo = FALSE; g_simple_async_result_set_op_res_gpointer (operation_result, GUINT_TO_POINTER (act), NULL); } } else { /* We'll reset here the flag to try to use SIND/psinfo the next time */ self->priv->sind_psinfo = TRUE; g_simple_async_result_set_error (operation_result, MM_CORE_ERROR, MM_CORE_ERROR_INVALID_ARGS, "Couldn't get network capabilities, " "invalid SMONG reply: '%s'", response); } g_match_info_free (match_info); g_regex_unref (regex); g_simple_async_result_complete (operation_result); g_object_unref (operation_result); } static MMModemAccessTechnology get_access_technology_from_psinfo (const gchar *psinfo, GError **error) { if (strlen (psinfo) == 1) { switch (psinfo[0]) { case '0': return MM_MODEM_ACCESS_TECHNOLOGY_UNKNOWN; case '1': case '2': return MM_MODEM_ACCESS_TECHNOLOGY_GPRS; case '3': case '4': return MM_MODEM_ACCESS_TECHNOLOGY_EDGE; case '5': case '6': return MM_MODEM_ACCESS_TECHNOLOGY_UMTS; case '7': case '8': return MM_MODEM_ACCESS_TECHNOLOGY_HSDPA; default: break; } } g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_INVALID_ARGS, "Couldn't get network capabilities, " "invalid psinfo value: '%s'", psinfo); return MM_MODEM_ACCESS_TECHNOLOGY_UNKNOWN; } static void sind_query_ready (MMBroadbandModemCinterion *self, GAsyncResult *res, GSimpleAsyncResult *operation_result) { const gchar *response; GError *error = NULL; GMatchInfo *match_info = NULL; GRegex *regex; response = mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error); if (!response) { /* Let the error be critical. */ g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete (operation_result); g_object_unref (operation_result); return; } /* The AT^SIND? command replies a list of several different indicators. * We will only look for 'psinfo' which is the one which may tell us * the available network access technology. Note that only 3G-enabled * devices seem to have this indicator. * * AT+SIND? * ^SIND: battchg,1,1 * ^SIND: signal,1,99 * ... */ regex = g_regex_new ("\\r\\n\\^SIND:\\s*psinfo,\\s*(\\d*),\\s*(\\d*)", 0, 0, NULL); if (g_regex_match_full (regex, response, strlen (response), 0, 0, &match_info, NULL)) { MMModemAccessTechnology act; gchar *ind_value; ind_value = g_match_info_fetch (match_info, 2); act = get_access_technology_from_psinfo (ind_value, &error); g_free (ind_value); g_simple_async_result_set_op_res_gpointer (operation_result, GUINT_TO_POINTER (act), NULL); g_simple_async_result_complete (operation_result); g_object_unref (operation_result); } else { /* If there was no 'psinfo' indicator, we'll try AT^SMONG and read the cell * info table. */ mm_base_modem_at_command ( MM_BASE_MODEM (self), "^SMONG", 3, FALSE, (GAsyncReadyCallback)smong_query_ready, operation_result); } g_match_info_free (match_info); g_regex_unref (regex); } static void load_access_technologies (MMIfaceModem *self, GAsyncReadyCallback callback, gpointer user_data) { MMBroadbandModemCinterion *broadband = MM_BROADBAND_MODEM_CINTERION (self); GSimpleAsyncResult *result; result = g_simple_async_result_new (G_OBJECT (self), callback, user_data, load_access_technologies); if (broadband->priv->sind_psinfo) { mm_base_modem_at_command ( MM_BASE_MODEM (self), "^SIND?", 3, FALSE, (GAsyncReadyCallback)sind_query_ready, result); return; } mm_base_modem_at_command ( MM_BASE_MODEM (self), "^SMONG", 3, FALSE, (GAsyncReadyCallback)smong_query_ready, result); } /*****************************************************************************/ /* Load supported modes (Modem interface) */ static GArray * load_supported_modes_finish (MMIfaceModem *self, GAsyncResult *res, GError **error) { if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error)) return NULL; return g_array_ref (g_simple_async_result_get_op_res_gpointer (G_SIMPLE_ASYNC_RESULT (res))); } static void parent_load_supported_modes_ready (MMIfaceModem *self, GAsyncResult *res, GSimpleAsyncResult *simple) { GError *error = NULL; GArray *all; GArray *combinations; GArray *filtered; MMModemModeCombination mode; all = iface_modem_parent->load_supported_modes_finish (self, res, &error); if (!all) { g_simple_async_result_take_error (simple, error); g_simple_async_result_complete (simple); g_object_unref (simple); return; } /* Build list of combinations */ combinations = g_array_sized_new (FALSE, FALSE, sizeof (MMModemModeCombination), 3); /* 2G only */ mode.allowed = MM_MODEM_MODE_2G; mode.preferred = MM_MODEM_MODE_NONE; g_array_append_val (combinations, mode); /* 3G only */ mode.allowed = MM_MODEM_MODE_3G; mode.preferred = MM_MODEM_MODE_NONE; g_array_append_val (combinations, mode); /* 2G and 3G */ mode.allowed = (MM_MODEM_MODE_2G | MM_MODEM_MODE_3G); mode.preferred = MM_MODEM_MODE_NONE; g_array_append_val (combinations, mode); /* Filter out those unsupported modes */ filtered = mm_filter_supported_modes (all, combinations); g_array_unref (all); g_array_unref (combinations); g_simple_async_result_set_op_res_gpointer (simple, filtered, (GDestroyNotify) g_array_unref); g_simple_async_result_complete (simple); g_object_unref (simple); } static void load_supported_modes (MMIfaceModem *self, GAsyncReadyCallback callback, gpointer user_data) { /* Run parent's loading */ iface_modem_parent->load_supported_modes ( MM_IFACE_MODEM (self), (GAsyncReadyCallback)parent_load_supported_modes_ready, g_simple_async_result_new (G_OBJECT (self), callback, user_data, load_supported_modes)); } /*****************************************************************************/ /* Set current modes (Modem interface) */ static gboolean set_current_modes_finish (MMIfaceModem *self, GAsyncResult *res, GError **error) { return !g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error); } static void allowed_access_technology_update_ready (MMBroadbandModemCinterion *self, GAsyncResult *res, GSimpleAsyncResult *operation_result) { GError *error = NULL; mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error); if (error) /* Let the error be critical. */ g_simple_async_result_take_error (operation_result, error); else g_simple_async_result_set_op_res_gboolean (operation_result, TRUE); g_simple_async_result_complete (operation_result); g_object_unref (operation_result); } static void set_current_modes (MMIfaceModem *self, MMModemMode allowed, MMModemMode preferred, GAsyncReadyCallback callback, gpointer user_data) { GSimpleAsyncResult *result; result = g_simple_async_result_new (G_OBJECT (self), callback, user_data, set_current_modes); /* For dual 2G/3G devices... */ if (mm_iface_modem_is_2g (self) && mm_iface_modem_is_3g (self)) { GString *cmd; /* We will try to simulate the possible allowed modes here. The * Cinterion devices do not seem to allow setting preferred access * technology in 3G devices, but they allow restricting to a given * one: * - 2G-only is forced by forcing GERAN RAT (AcT=0) * - 3G-only is forced by forcing UTRAN RAT (AcT=2) * - for the remaining ones, we default to automatic selection of RAT, * which is based on the quality of the connection. */ cmd = g_string_new ("+COPS=,,,"); if (allowed == MM_MODEM_MODE_3G) { g_string_append (cmd, "2"); } else if (allowed == MM_MODEM_MODE_2G) { g_string_append (cmd, "0"); } else { gchar *allowed_str; gchar *preferred_str; /* no AcT given, defaults to Auto */ allowed_str = mm_modem_mode_build_string_from_mask (allowed); preferred_str = mm_modem_mode_build_string_from_mask (preferred); mm_warn ("Requested mode (allowed: '%s', preferred: '%s') not " "supported by the modem. Defaulting to automatic mode.", allowed_str, preferred_str); g_free (allowed_str); g_free (preferred_str); } mm_base_modem_at_command ( MM_BASE_MODEM (self), cmd->str, 3, FALSE, (GAsyncReadyCallback)allowed_access_technology_update_ready, result); g_string_free (cmd, TRUE); return; } /* For 3G-only devices, allow only 3G-related allowed modes. * For 2G-only devices, allow only 2G-related allowed modes. * * Note that the common logic of the interface already limits the * allowed/preferred modes that can be tried in these cases. */ if (mm_iface_modem_is_2g_only (self) || mm_iface_modem_is_3g_only (self)) { gchar *allowed_str; gchar *preferred_str; allowed_str = mm_modem_mode_build_string_from_mask (allowed); preferred_str = mm_modem_mode_build_string_from_mask (preferred); mm_dbg ("Not doing anything. Assuming requested mode " "(allowed: '%s', preferred: '%s') is supported by " "%s-only modem.", allowed_str, preferred_str, mm_iface_modem_is_3g_only (self) ? "3G" : "2G"); g_free (allowed_str); g_free (preferred_str); g_simple_async_result_set_op_res_gboolean (result, TRUE); g_simple_async_result_complete_in_idle (result); g_object_unref (result); return; } g_assert_not_reached (); } /*****************************************************************************/ /* SUPPORTED BANDS */ static GArray * load_supported_bands_finish (MMIfaceModem *self, GAsyncResult *res, GError **error) { /* Never fails */ return (GArray *) g_array_ref (g_simple_async_result_get_op_res_gpointer ( G_SIMPLE_ASYNC_RESULT (res))); } static void load_supported_bands (MMIfaceModem *self, GAsyncReadyCallback callback, gpointer user_data) { GSimpleAsyncResult *result; GArray *bands; result = g_simple_async_result_new (G_OBJECT (self), callback, user_data, load_supported_bands); /* We do assume that we already know if the modem is 2G-only, 3G-only or * 2G+3G. This is checked quite before trying to load supported bands. */ #define _g_array_insert_enum(array,index,type,val) do { \ type aux = (type)val; \ g_array_insert_val (array, index, aux); \ } while (0) bands = g_array_sized_new (FALSE, FALSE, sizeof (MMModemBand), 4); _g_array_insert_enum (bands, 0, MMModemBand, MM_MODEM_BAND_EGSM); _g_array_insert_enum (bands, 1, MMModemBand, MM_MODEM_BAND_DCS); _g_array_insert_enum (bands, 2, MMModemBand, MM_MODEM_BAND_PCS); _g_array_insert_enum (bands, 3, MMModemBand, MM_MODEM_BAND_G850); /* Add 3G-specific bands */ if (mm_iface_modem_is_3g (self)) { g_array_set_size (bands, 7); _g_array_insert_enum (bands, 4, MMModemBand, MM_MODEM_BAND_U2100); _g_array_insert_enum (bands, 5, MMModemBand, MM_MODEM_BAND_U1900); _g_array_insert_enum (bands, 6, MMModemBand, MM_MODEM_BAND_U850); } g_simple_async_result_set_op_res_gpointer (result, bands, (GDestroyNotify)g_array_unref); g_simple_async_result_complete_in_idle (result); g_object_unref (result); } /*****************************************************************************/ /* CURRENT BANDS */ static GArray * load_current_bands_finish (MMIfaceModem *self, GAsyncResult *res, GError **error) { if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error)) return NULL; return (GArray *) g_array_ref (g_simple_async_result_get_op_res_gpointer ( G_SIMPLE_ASYNC_RESULT (res))); } static void get_2g_band_ready (MMBroadbandModemCinterion *self, GAsyncResult *res, GSimpleAsyncResult *operation_result) { const gchar *response; GError *error = NULL; GArray *bands_array = NULL; GRegex *regex; GMatchInfo *match_info = NULL; response = mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error); if (!response) { /* Let the error be critical. */ g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete (operation_result); g_object_unref (operation_result); return; } /* The AT^SCFG? command replies a list of several different config * values. We will only look for 'Radio/Band". * * AT+SCFG="Radio/Band" * ^SCFG: "Radio/Band","0031","0031" * * Note that "0031" is a UCS2-encoded string, as we configured UCS2 as * character set to use. */ regex = g_regex_new ("\\^SCFG:\\s*\"Radio/Band\",\\s*\"(.*)\",\\s*\"(.*)\"", 0, 0, NULL); g_assert (regex != NULL); if (g_regex_match_full (regex, response, strlen (response), 0, 0, &match_info, NULL)) { gchar *current; /* The first number given is the current band configuration, the * second number given is the allowed band configuration, which we * don't really need to get here. */ current = g_match_info_fetch (match_info, 1); if (current) { guint i; /* If in UCS2, convert to UTF-8 */ current = mm_broadband_modem_take_and_convert_to_utf8 (MM_BROADBAND_MODEM (self), current); for (i = 0; i < G_N_ELEMENTS (bands_2g); i++) { if (strcmp (bands_2g[i].cinterion_band, current) == 0) { guint j; if (G_UNLIKELY (!bands_array)) bands_array = g_array_new (FALSE, FALSE, sizeof (MMModemBand)); for (j = 0; j < bands_2g[i].n_mm_bands; j++) g_array_append_val (bands_array, bands_2g[i].mm_bands[j]); break; } } g_free (current); } } if (match_info) g_match_info_free (match_info); g_regex_unref (regex); if (!bands_array) g_simple_async_result_set_error (operation_result, MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't parse current bands reply"); else g_simple_async_result_set_op_res_gpointer (operation_result, bands_array, (GDestroyNotify)g_array_unref); g_simple_async_result_complete (operation_result); g_object_unref (operation_result); } static void get_3g_band_ready (MMBroadbandModemCinterion *self, GAsyncResult *res, GSimpleAsyncResult *operation_result) { const gchar *response; GError *error = NULL; GArray *bands_array = NULL; GRegex *regex; GMatchInfo *match_info = NULL; response = mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error); if (!response) { /* Let the error be critical. */ g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete (operation_result); g_object_unref (operation_result); return; } /* The AT^SCFG? command replies a list of several different config * values. We will only look for 'Radio/Band". * * AT+SCFG="Radio/Band" * ^SCFG: "Radio/Band",127 * * Note that in this case, the replied is a number, not a string. */ regex = g_regex_new ("\\^SCFG:\\s*\"Radio/Band\",\\s*(\\d*)", 0, 0, NULL); g_assert (regex != NULL); if (g_regex_match_full (regex, response, strlen (response), 0, 0, &match_info, NULL)) { gchar *current; current = g_match_info_fetch (match_info, 1); if (current) { guint32 current_int; guint i; current_int = (guint32) atoi (current); for (i = 0; i < G_N_ELEMENTS (bands_3g); i++) { if (current_int & bands_3g[i].cinterion_band_flag) { if (G_UNLIKELY (!bands_array)) bands_array = g_array_new (FALSE, FALSE, sizeof (MMModemBand)); g_array_append_val (bands_array, bands_3g[i].mm_band); } } g_free (current); } } if (match_info) g_match_info_free (match_info); g_regex_unref (regex); if (!bands_array) g_simple_async_result_set_error (operation_result, MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't parse current bands reply"); else g_simple_async_result_set_op_res_gpointer (operation_result, bands_array, (GDestroyNotify)g_array_unref); g_simple_async_result_complete (operation_result); g_object_unref (operation_result); } static void load_current_bands (MMIfaceModem *self, GAsyncReadyCallback callback, gpointer user_data) { GSimpleAsyncResult *result; result = g_simple_async_result_new (G_OBJECT (self), callback, user_data, load_current_bands); /* Query the currently used Radio/Band. The query command is the same for * both 2G and 3G devices, but the reply reader is different. */ mm_base_modem_at_command (MM_BASE_MODEM (self), "AT^SCFG=\"Radio/Band\"", 3, FALSE, (GAsyncReadyCallback)(mm_iface_modem_is_3g (self) ? get_3g_band_ready : get_2g_band_ready), result); } /*****************************************************************************/ /* Set current bands (Modem interface) */ static gboolean set_current_bands_finish (MMIfaceModem *self, GAsyncResult *res, GError **error) { return !g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error); } static void scfg_set_ready (MMBaseModem *self, GAsyncResult *res, GSimpleAsyncResult *operation_result) { GError *error = NULL; if (!mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error)) /* Let the error be critical */ g_simple_async_result_take_error (operation_result, error); else g_simple_async_result_set_op_res_gboolean (operation_result, TRUE); g_simple_async_result_complete (operation_result); g_object_unref (operation_result); } static void set_bands_3g (MMIfaceModem *self, GArray *bands_array, GSimpleAsyncResult *result) { GArray *bands_array_final; guint cinterion_band = 0; guint i; gchar *bands_string; gchar *cmd; /* The special case of ANY should be treated separately. */ if (bands_array->len == 1 && g_array_index (bands_array, MMModemBand, 0) == MM_MODEM_BAND_ANY) { /* We build an array with all bands to set; so that we use the same * logic to build the cinterion_band, and so that we can log the list of * bands being set properly */ bands_array_final = g_array_sized_new (FALSE, FALSE, sizeof (MMModemBand), G_N_ELEMENTS (bands_3g)); for (i = 0; i < G_N_ELEMENTS (bands_3g); i++) g_array_append_val (bands_array_final, bands_3g[i].mm_band); } else bands_array_final = g_array_ref (bands_array); for (i = 0; i < G_N_ELEMENTS (bands_3g); i++) { guint j; for (j = 0; j < bands_array_final->len; j++) { if (g_array_index (bands_array_final, MMModemBand, j) == bands_3g[i].mm_band) { cinterion_band |= bands_3g[i].cinterion_band_flag; break; } } } bands_string = mm_common_build_bands_string ((MMModemBand *)bands_array_final->data, bands_array_final->len); g_array_unref (bands_array_final); if (!cinterion_band) { g_simple_async_result_set_error (result, MM_CORE_ERROR, MM_CORE_ERROR_UNSUPPORTED, "The given band combination is not supported: '%s'", bands_string); g_simple_async_result_complete_in_idle (result); g_object_unref (result); g_free (bands_string); return; } mm_dbg ("Setting new bands to use: '%s'", bands_string); /* Following the setup: * AT^SCFG="Radion/Band", * We will set the preferred band equal to the allowed band, so that we force * the modem to connect at that specific frequency only. Note that we will be * passing a number here! */ cmd = g_strdup_printf ("^SCFG=\"Radio/Band\",%u", cinterion_band); mm_base_modem_at_command (MM_BASE_MODEM (self), cmd, 15, FALSE, (GAsyncReadyCallback)scfg_set_ready, result); g_free (cmd); g_free (bands_string); } static void set_bands_2g (MMIfaceModem *self, GArray *bands_array, GSimpleAsyncResult *result) { GArray *bands_array_final; gchar *cinterion_band = NULL; guint i; gchar *bands_string; gchar *cmd; /* If the iface properly checked the given list against the supported bands, * it's not possible to get an array longer than 4 here. */ g_assert (bands_array->len <= 4); /* The special case of ANY should be treated separately. */ if (bands_array->len == 1 && g_array_index (bands_array, MMModemBand, 0) == MM_MODEM_BAND_ANY) { const CinterionBand2G *all; /* All bands is the last element in our 2G bands array */ all = &bands_2g[G_N_ELEMENTS (bands_2g) - 1]; /* We build an array with all bands to set; so that we use the same * logic to build the cinterion_band, and so that we can log the list of * bands being set properly */ bands_array_final = g_array_sized_new (FALSE, FALSE, sizeof (MMModemBand), 4); g_array_append_vals (bands_array_final, all->mm_bands, all->n_mm_bands); } else bands_array_final = g_array_ref (bands_array); for (i = 0; !cinterion_band && i < G_N_ELEMENTS (bands_2g); i++) { GArray *supported_combination; supported_combination = g_array_sized_new (FALSE, FALSE, sizeof (MMModemBand), bands_2g[i].n_mm_bands); g_array_append_vals (supported_combination, bands_2g[i].mm_bands, bands_2g[i].n_mm_bands); /* Check if the given array is exactly one of the supported combinations */ if (mm_common_bands_garray_cmp (bands_array_final, supported_combination)) cinterion_band = g_strdup (bands_2g[i].cinterion_band); g_array_unref (supported_combination); } bands_string = mm_common_build_bands_string ((MMModemBand *)bands_array_final->data, bands_array_final->len); g_array_unref (bands_array_final); if (!cinterion_band) { g_simple_async_result_set_error (result, MM_CORE_ERROR, MM_CORE_ERROR_UNSUPPORTED, "The given band combination is not supported: '%s'", bands_string); g_simple_async_result_complete_in_idle (result); g_object_unref (result); g_free (bands_string); return; } mm_dbg ("Setting new bands to use: '%s'", bands_string); cinterion_band = (mm_broadband_modem_take_and_convert_to_current_charset ( MM_BROADBAND_MODEM (self), cinterion_band)); if (!cinterion_band) { g_simple_async_result_set_error (result, MM_CORE_ERROR, MM_CORE_ERROR_UNSUPPORTED, "Couldn't convert band set to current charset"); g_simple_async_result_complete_in_idle (result); g_object_unref (result); g_free (bands_string); return; } /* Following the setup: * AT^SCFG="Radion/Band",, * We will set the preferred band equal to the allowed band, so that we force * the modem to connect at that specific frequency only. Note that we will be * passing double-quote enclosed strings here! */ cmd = g_strdup_printf ("^SCFG=\"Radio/Band\",\"%s\",\"%s\"", cinterion_band, cinterion_band); mm_base_modem_at_command (MM_BASE_MODEM (self), cmd, 15, FALSE, (GAsyncReadyCallback)scfg_set_ready, result); g_free (cmd); g_free (cinterion_band); g_free (bands_string); } static void set_current_bands (MMIfaceModem *self, GArray *bands_array, GAsyncReadyCallback callback, gpointer user_data) { GSimpleAsyncResult *result; /* The bands that we get here are previously validated by the interface, and * that means that ALL the bands given here were also given in the list of * supported bands. BUT BUT, that doesn't mean that the exact list of bands * will end up being valid, as not all combinations are possible. E.g, * Cinterion modems supporting only 2G have specific combinations allowed. */ result = g_simple_async_result_new (G_OBJECT (self), callback, user_data, set_current_bands); if (mm_iface_modem_is_3g (self)) set_bands_3g (self, bands_array, result); else set_bands_2g (self, bands_array, result); } /*****************************************************************************/ /* FLOW CONTROL */ static gboolean setup_flow_control_finish (MMIfaceModem *self, GAsyncResult *res, GError **error) { return !g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error); } static void setup_flow_control_ready (MMBroadbandModemCinterion *self, GAsyncResult *res, GSimpleAsyncResult *operation_result) { GError *error = NULL; if (!mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error)) /* Let the error be critical. We DO need RTS/CTS in order to have * proper modem disabling. */ g_simple_async_result_take_error (operation_result, error); else g_simple_async_result_set_op_res_gboolean (operation_result, TRUE); g_simple_async_result_complete (operation_result); g_object_unref (operation_result); } static void setup_flow_control (MMIfaceModem *self, GAsyncReadyCallback callback, gpointer user_data) { GSimpleAsyncResult *result; result = g_simple_async_result_new (G_OBJECT (self), callback, user_data, setup_flow_control); /* We need to enable RTS/CTS so that CYCLIC SLEEP mode works */ mm_base_modem_at_command (MM_BASE_MODEM (self), "\\Q3", 3, FALSE, (GAsyncReadyCallback)setup_flow_control_ready, result); } /*****************************************************************************/ MMBroadbandModemCinterion * mm_broadband_modem_cinterion_new (const gchar *device, const gchar **drivers, const gchar *plugin, guint16 vendor_id, guint16 product_id) { return g_object_new (MM_TYPE_BROADBAND_MODEM_CINTERION, MM_BASE_MODEM_DEVICE, device, MM_BASE_MODEM_DRIVERS, drivers, MM_BASE_MODEM_PLUGIN, plugin, MM_BASE_MODEM_VENDOR_ID, vendor_id, MM_BASE_MODEM_PRODUCT_ID, product_id, NULL); } static void mm_broadband_modem_cinterion_init (MMBroadbandModemCinterion *self) { /* Initialize private data */ self->priv = G_TYPE_INSTANCE_GET_PRIVATE ((self), MM_TYPE_BROADBAND_MODEM_CINTERION, MMBroadbandModemCinterionPrivate); /* Set defaults */ self->priv->sind_psinfo = TRUE; /* Initially, always try to get psinfo */ } static void finalize (GObject *object) { MMBroadbandModemCinterion *self = MM_BROADBAND_MODEM_CINTERION (object); g_free (self->priv->sleep_mode_cmd); G_OBJECT_CLASS (mm_broadband_modem_cinterion_parent_class)->finalize (object); } static void iface_modem_init (MMIfaceModem *iface) { iface_modem_parent = g_type_interface_peek_parent (iface); iface->load_supported_modes = load_supported_modes; iface->load_supported_modes_finish = load_supported_modes_finish; iface->set_current_modes = set_current_modes; iface->set_current_modes_finish = set_current_modes_finish; iface->load_supported_bands = load_supported_bands; iface->load_supported_bands_finish = load_supported_bands_finish; iface->load_current_bands = load_current_bands; iface->load_current_bands_finish = load_current_bands_finish; iface->set_current_bands = set_current_bands; iface->set_current_bands_finish = set_current_bands_finish; iface->load_access_technologies = load_access_technologies; iface->load_access_technologies_finish = load_access_technologies_finish; iface->setup_flow_control = setup_flow_control; iface->setup_flow_control_finish = setup_flow_control_finish; iface->modem_power_down = modem_power_down; iface->modem_power_down_finish = modem_power_down_finish; } static void iface_modem_3gpp_init (MMIfaceModem3gpp *iface) { iface->enable_unsolicited_events = enable_unsolicited_events; iface->enable_unsolicited_events_finish = enable_unsolicited_events_finish; } static void iface_modem_messaging_init (MMIfaceModemMessaging *iface) { iface->enable_unsolicited_events = messaging_enable_unsolicited_events; iface->enable_unsolicited_events_finish = messaging_enable_unsolicited_events_finish; } static void mm_broadband_modem_cinterion_class_init (MMBroadbandModemCinterionClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); g_type_class_add_private (object_class, sizeof (MMBroadbandModemCinterionPrivate)); /* Virtual methods */ object_class->finalize = finalize; }