Files
ModemManager/plugins/cinterion/mm-broadband-modem-cinterion.c
Aleksander Morgado eec5d00a97 core,plugins: remove initial power down sequence
We no longer power down the modem during initialization, so remove that
implementation.
2013-01-11 10:05:46 +01:00

1234 lines
44 KiB
C

/* -*- 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 <aleksander@lanedo.com>
*/
#include <config.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <ctype.h>
#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);
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=[<mode>[,<keyp>[,<disp>[,<ind>[,<bfr>]]]]]
* but <ind> 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=<mode>,[<mt>[,<bm>[,<ds>[,<bfr>]]]]
* but <bfr> should be either not set, or equal to 1;
* and <ds> 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);
}
/*****************************************************************************/
/* ALLOWED MODES */
static gboolean
set_allowed_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_allowed_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_allowed_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 &&
preferred == MM_MODEM_MODE_NONE) {
g_string_append (cmd, "2");
} else if (allowed == MM_MODEM_MODE_2G &&
preferred == MM_MODEM_MODE_NONE) {
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 <rba> 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 BANDS */
static gboolean
set_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",<rba>
* 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",<rbp>,<rba>
* 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_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_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->set_allowed_modes = set_allowed_modes;
iface->set_allowed_modes_finish = set_allowed_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_bands = set_bands;
iface->set_bands_finish = set_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;
}