colin/ModemManager
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
1f86a85c1cf4d73571dd65f7029d503e0cce3315
ModemManager/plugins/mm-modem-wavecom-gsm.c
Aleksander Morgado 863dbca631 wavecom: enable usage of MM_MODEM_GSM_BAND_ANY in SetBand()
2011-04-29 12:31:14 +02:00

1100 lines
35 KiB
C
Raw Blame History

/* -*- 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 Gesellschaft für Messtechnik mbH
*/
#include <config.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "mm-errors.h"
#include "mm-modem-helpers.h"
#include "mm-modem-wavecom-gsm.h"
#include "mm-serial-parsers.h"
#include "mm-log.h"
static void modem_init (MMModem *modem_class);
static void modem_gsm_network_init (MMModemGsmNetwork *gsm_network_class);
G_DEFINE_TYPE_EXTENDED (MMModemWavecomGsm, mm_modem_wavecom_gsm, MM_TYPE_GENERIC_GSM, 0,
G_IMPLEMENT_INTERFACE (MM_TYPE_MODEM, modem_init)
G_IMPLEMENT_INTERFACE (MM_TYPE_MODEM_GSM_NETWORK, modem_gsm_network_init))
/* Bit flags for mobile station classes supported by the modem */
typedef enum {
WAVECOM_MS_CLASS_UNKNOWN = 0,
/* Class C in circuit switched only mode, CS */
WAVECOM_MS_CLASS_CC = 1 << 0,
/* Class C in GPRS only mode, PS */
WAVECOM_MS_CLASS_CG = 1 << 1,
/* Class B (either CS or PS, not both at the same time)
* This should be the default for GSM/GPRS modems */
WAVECOM_MS_CLASS_B = 1 << 2,
/* Class A in 3G only mode */
WAVECOM_MS_CLASS_A = 1 << 3
} WavecomMSClass;
#define WAVECOM_MS_CLASS_CC_IDSTR "\"CC\""
#define WAVECOM_MS_CLASS_CG_IDSTR "\"CG\""
#define WAVECOM_MS_CLASS_B_IDSTR "\"B\""
#define WAVECOM_MS_CLASS_A_IDSTR "\"A\""
/* Mask of all supported 2G bands */
#define ALL_2G_BANDS \
(MM_MODEM_GSM_BAND_EGSM | \
MM_MODEM_GSM_BAND_DCS | \
MM_MODEM_GSM_BAND_PCS | \
MM_MODEM_GSM_BAND_G850)
/* Mask of all supported 3G bands */
#define ALL_3G_BANDS \
(MM_MODEM_GSM_BAND_U2100 | \
MM_MODEM_GSM_BAND_U1800 | \
MM_MODEM_GSM_BAND_U17IV | \
MM_MODEM_GSM_BAND_U800 | \
MM_MODEM_GSM_BAND_U850 | \
MM_MODEM_GSM_BAND_U900 | \
MM_MODEM_GSM_BAND_U17IX | \
MM_MODEM_GSM_BAND_U1900 | \
MM_MODEM_GSM_BAND_U2600)
#define MM_MODEM_WAVECOM_GSM_GET_PRIVATE(o) \
(G_TYPE_INSTANCE_GET_PRIVATE ((o), MM_TYPE_MODEM_WAVECOM_GSM, MMModemWavecomGsmPrivate))
typedef struct {
/* Bitmask for supported MS classes */
guint8 supported_ms_classes;
/* Current MS class */
WavecomMSClass current_ms_class;
/* Current allowed mode, only for 3G devices */
MMModemGsmAllowedMode allowed_mode;
/* Bitmask for currently active bands */
guint32 current_bands;
} MMModemWavecomGsmPrivate;
/* Setup relationship between 2G bands in the modem (identified by a
* single digit in ASCII) and the bitmask in ModemManager. */
typedef struct {
gchar wavecom_band;
guint32 mm_band_mask;
} WavecomBand2G;
static const WavecomBand2G bands_2g[] = {
{ '0', MM_MODEM_GSM_BAND_G850 },
{ '1', MM_MODEM_GSM_BAND_EGSM },
{ '2', MM_MODEM_GSM_BAND_DCS },
{ '3', MM_MODEM_GSM_BAND_PCS },
{ '4', (MM_MODEM_GSM_BAND_G850 | MM_MODEM_GSM_BAND_PCS) },
{ '5', (MM_MODEM_GSM_BAND_EGSM | MM_MODEM_GSM_BAND_DCS) },
{ '6', (MM_MODEM_GSM_BAND_EGSM | MM_MODEM_GSM_BAND_PCS) },
{ '7', ALL_2G_BANDS }
};
/* Setup relationship between the 3G band bitmask in the modem and the bitmask
* in ModemManager. */
typedef struct {
guint32 wavecom_band_flag;
guint32 mm_band_flag;
} WavecomBand3G;
static const WavecomBand3G bands_3g[] = {
{ (1 << 0), MM_MODEM_GSM_BAND_U2100 },
{ (1 << 1), MM_MODEM_GSM_BAND_U1900 },
{ (1 << 2), MM_MODEM_GSM_BAND_U1800 },
{ (1 << 3), MM_MODEM_GSM_BAND_U17IV },
{ (1 << 4), MM_MODEM_GSM_BAND_U850 },
{ (1 << 5), MM_MODEM_GSM_BAND_U800 },
{ (1 << 6), MM_MODEM_GSM_BAND_U2600 },
{ (1 << 7), MM_MODEM_GSM_BAND_U900 },
{ (1 << 8), MM_MODEM_GSM_BAND_U17IX }
};
MMModem *
mm_modem_wavecom_gsm_new (const char *device,
const char *driver,
const char *plugin,
guint32 vendor,
guint32 product)
{
g_return_val_if_fail (device != NULL, NULL);
g_return_val_if_fail (driver != NULL, NULL);
g_return_val_if_fail (plugin != NULL, NULL);
return MM_MODEM (g_object_new (MM_TYPE_MODEM_WAVECOM_GSM,
MM_MODEM_MASTER_DEVICE, device,
MM_MODEM_DRIVER, driver,
MM_MODEM_PLUGIN, plugin,
MM_MODEM_HW_VID, vendor,
MM_MODEM_HW_PID, product,
NULL));
}
static const gchar *
wavecom_ms_class_to_str (WavecomMSClass class)
{
switch (class) {
case WAVECOM_MS_CLASS_CC:
return WAVECOM_MS_CLASS_CC_IDSTR;
case WAVECOM_MS_CLASS_CG:
return WAVECOM_MS_CLASS_CG_IDSTR;
case WAVECOM_MS_CLASS_B:
return WAVECOM_MS_CLASS_B_IDSTR;
case WAVECOM_MS_CLASS_A:
return WAVECOM_MS_CLASS_A_IDSTR;
default:
g_warn_if_reached ();
return NULL;
}
}
static gboolean
grab_port (MMModem *modem,
const char *subsys,
const char *name,
MMPortType suggested_type,
gpointer user_data,
GError **error)
{
MMGenericGsm *gsm = MM_GENERIC_GSM (modem);
MMPortType ptype = MM_PORT_TYPE_IGNORED;
MMPort *port = NULL;
if (suggested_type == MM_PORT_TYPE_UNKNOWN) {
if (!mm_generic_gsm_get_at_port (gsm, MM_PORT_TYPE_PRIMARY))
ptype = MM_PORT_TYPE_PRIMARY;
else if (!mm_generic_gsm_get_at_port (gsm, MM_PORT_TYPE_SECONDARY))
ptype = MM_PORT_TYPE_SECONDARY;
} else
ptype = suggested_type;
port = mm_generic_gsm_grab_port (gsm, subsys, name, ptype, error);
if (port && MM_IS_AT_SERIAL_PORT (port)) {
gpointer parser;
GRegex *regex;
parser = mm_serial_parser_v1_new ();
/* AT+CPIN? replies will never have an OK appended */
regex = g_regex_new ("\\r\\n\\+CPIN: .*\\r\\n",
G_REGEX_RAW | G_REGEX_OPTIMIZE,
0, NULL);
mm_serial_parser_v1_set_custom_regex (parser, regex, NULL);
g_regex_unref (regex);
mm_at_serial_port_set_response_parser (MM_AT_SERIAL_PORT (port),
mm_serial_parser_v1_parse,
parser,
mm_serial_parser_v1_destroy);
}
return !!port;
}
static void
set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
/* Do nothing... see set_property() in parent, which also does nothing */
}
static void
get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
switch (prop_id) {
case MM_GENERIC_GSM_PROP_POWER_UP_CMD:
/* Wavecom doesn't like CFUN=1, it will reset the whole software stack,
* including the USB connection and therefore connection would get
* closed */
g_value_set_string (value, "");
break;
case MM_GENERIC_GSM_PROP_FLOW_CONTROL_CMD:
/* Wavecom doesn't have XOFF/XON flow control, so we enable RTS/CTS */
g_value_set_string (value, "+IFC=2,2");
break;
default:
break;
}
}
static void
set_band_done (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = (MMCallbackInfo *) user_data;
MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (info->modem);
if (error)
info->error = g_error_copy (error);
else
priv->current_bands = GPOINTER_TO_UINT (mm_callback_info_get_data (info, "new-band"));
mm_callback_info_schedule (info);
}
static void
set_2g_band (MMModemGsmNetwork *self,
MMModemGsmBand band,
MMAtSerialPort *port,
MMCallbackInfo *info)
{
gchar wavecom_band;
gchar *cmd;
guint i;
/* Ensure we don't get 3G bands when trying to configure 2G bands */
if (band & ALL_3G_BANDS) {
info->error = g_error_new (MM_MODEM_ERROR,
MM_MODEM_ERROR_GENERAL,
"Not allowed to set 3G bands in 2G mode");
mm_callback_info_schedule (info);
return;
}
/* If we get ANY, reset to all-2G bands to get the proper value */
if (band == MM_MODEM_GSM_BAND_ANY)
band = ALL_2G_BANDS;
/* Loop looking for allowed masks */
wavecom_band = '\0';
for (i = 0; i < G_N_ELEMENTS (bands_2g); i++) {
if (bands_2g[i].mm_band_mask == band) {
wavecom_band = bands_2g[i].wavecom_band;
break;
}
}
/* If we didn't find a match, set an error */
if (wavecom_band == '\0') {
info->error = g_error_new (MM_MODEM_ERROR,
MM_MODEM_ERROR_GENERAL,
"Wrong 2G band mask: '%u'", band);
mm_callback_info_schedule (info);
return;
}
mm_callback_info_set_data (info,
"new-band",
GUINT_TO_POINTER ((guint)band),
NULL);
cmd = g_strdup_printf ("+WMBS=%c,1", wavecom_band);
mm_at_serial_port_queue_command (port, cmd, 3, set_band_done, info);
g_free (cmd);
}
static void
set_3g_band (MMModemGsmNetwork *self,
MMModemGsmBand band,
MMAtSerialPort *port,
MMCallbackInfo *info)
{
guint wavecom_band;
gchar *cmd;
guint i;
/* Ensure we don't get 2G bands when trying to configure 2G bands */
if (band & ALL_2G_BANDS) {
info->error = g_error_new (MM_MODEM_ERROR,
MM_MODEM_ERROR_GENERAL,
"Not allowed to set 2G bands in 3G mode");
mm_callback_info_schedule (info);
return;
}
/* If we get ANY, reset to all-3G bands to get the proper value */
if (band == MM_MODEM_GSM_BAND_ANY)
band = ALL_3G_BANDS;
/* Loop looking for allowed masks */
wavecom_band = 0;
for (i = 0; i < G_N_ELEMENTS (bands_3g); i++) {
if (bands_3g[i].mm_band_flag & band) {
wavecom_band |= bands_3g[i].wavecom_band_flag;
}
}
/* If we didn't find a match, set an error */
if (wavecom_band == 0) {
info->error = g_error_new (MM_MODEM_ERROR,
MM_MODEM_ERROR_GENERAL,
"Wrong 3G band mask: '%u'", band);
mm_callback_info_schedule (info);
return;
}
mm_callback_info_set_data (info,
"new-band",
GUINT_TO_POINTER ((guint)band),
NULL);
cmd = g_strdup_printf ("+WMBS=\"%u\",1", wavecom_band);
mm_at_serial_port_queue_command (port, cmd, 3, set_band_done, info);
g_free (cmd);
}
static void
set_band (MMModemGsmNetwork *self,
MMModemGsmBand band,
MMModemFn callback,
gpointer user_data)
{
MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (self);
MMAtSerialPort *port;
MMCallbackInfo *info;
info = mm_callback_info_new (MM_MODEM (self), callback, user_data);
/* Are we trying to change the band to the same bands currently
* being used? if so, we're done */
if (priv->current_bands == band) {
mm_callback_info_schedule (info);
return;
}
/* Otherwise ask the modem */
port = mm_generic_gsm_get_best_at_port (MM_GENERIC_GSM (self), &info->error);
if (!port) {
mm_callback_info_schedule (info);
return;
}
if (priv->current_ms_class != WAVECOM_MS_CLASS_A)
set_2g_band (self, band, port, info);
else
set_3g_band (self, band, port, info);
}
static void
get_2g_band_done (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = (MMCallbackInfo *) user_data;
MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (info->modem);
if (error)
info->error = g_error_copy (error);
else {
const gchar *p;
guint32 mm_band = MM_MODEM_GSM_BAND_UNKNOWN;
p = mm_strip_tag (response->str, "+WMBS:");
if (p) {
guint i;
for (i = 0; i < G_N_ELEMENTS (bands_2g); i++) {
if (bands_2g[i].wavecom_band == *p) {
mm_band = bands_2g[i].mm_band_mask;
break;
}
}
}
if (mm_band == MM_MODEM_GSM_BAND_UNKNOWN) {
g_set_error (&info->error,
MM_MODEM_ERROR,
MM_MODEM_ERROR_GENERAL,
"Couldn't get 2G bands");
} else {
priv->current_bands = mm_band;
mm_callback_info_set_result (info, GUINT_TO_POINTER (mm_band), NULL);
}
}
mm_callback_info_schedule (info);
}
static void
get_3g_band_done (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = (MMCallbackInfo *) user_data;
MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (info->modem);
if (error)
info->error = g_error_copy (error);
else {
const gchar *p;
guint mm_band = MM_MODEM_GSM_BAND_UNKNOWN;
guint32 wavecom_band;
/* Example reply:
* AT+WUBS? -->
* <-- +WUBS: "3",1
* <-- OK
* The "3" meaning here Band I and II are selected.
*/
p = mm_strip_tag (response->str, "+WUBS:");
if (*p == '"')
p++;
wavecom_band = atoi (p);
if (wavecom_band > 0) {
guint i;
for (i = 0; i < G_N_ELEMENTS (bands_3g); i++) {
if (bands_3g[i].wavecom_band_flag & wavecom_band) {
mm_band |= bands_3g[i].mm_band_flag;
}
}
}
if (mm_band == MM_MODEM_GSM_BAND_UNKNOWN) {
g_set_error (&info->error,
MM_MODEM_ERROR,
MM_MODEM_ERROR_GENERAL,
"Couldn't get 3G bands");
} else {
priv->current_bands = mm_band;
mm_callback_info_set_result (info, GUINT_TO_POINTER (mm_band), NULL);
}
}
mm_callback_info_schedule (info);
}
static void
get_band (MMModemGsmNetwork *self,
MMModemUIntFn callback,
gpointer user_data)
{
MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (self);
MMAtSerialPort *port;
MMCallbackInfo *info;
info = mm_callback_info_uint_new (MM_MODEM (self), callback, user_data);
/* If results are already cached, return them */
if (priv->current_bands > 0) {
mm_callback_info_set_result (info, GUINT_TO_POINTER (priv->current_bands), NULL);
mm_callback_info_schedule (info);
return;
}
/* Otherwise ask the modem */
port = mm_generic_gsm_get_best_at_port (MM_GENERIC_GSM (self), &info->error);
if (!port) {
mm_callback_info_schedule (info);
return;
}
if (priv->current_ms_class != WAVECOM_MS_CLASS_A)
mm_at_serial_port_queue_command (port, "AT+WMBS?", 3, get_2g_band_done, info);
else
mm_at_serial_port_queue_command (port, "AT+WUBS?", 3, get_3g_band_done, info);
}
static void
get_access_technology_cb (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = user_data;
MMModemGsmAccessTech act = MM_MODEM_GSM_ACCESS_TECH_UNKNOWN;
const gchar *p;
if (error)
info->error = g_error_copy (error);
else {
p = mm_strip_tag (response->str, "+WGPRSIND:");
if (!p) {
g_set_error (&info->error,
MM_MODEM_ERROR,
MM_MODEM_ERROR_GENERAL,
"Couldn't get network capabilities");
} else {
switch (*p) {
case '1':
/* GPRS only */
act = MM_MODEM_GSM_ACCESS_TECH_GPRS;
break;
case '2':
/* EGPRS/EDGE supported */
act = MM_MODEM_GSM_ACCESS_TECH_EDGE;
break;
case '3':
/* 3G R99 supported */
act = MM_MODEM_GSM_ACCESS_TECH_UMTS;
break;
case '4':
/* HSDPA supported */
act = MM_MODEM_GSM_ACCESS_TECH_HSDPA;
break;
case '5':
/* HSUPA supported */
act = MM_MODEM_GSM_ACCESS_TECH_HSUPA;
break;
default:
break;
}
}
}
mm_callback_info_set_result (info, GUINT_TO_POINTER (act), NULL);
mm_callback_info_schedule (info);
}
static void
get_access_technology (MMGenericGsm *gsm,
MMModemUIntFn callback,
gpointer user_data)
{
MMAtSerialPort *port;
MMCallbackInfo *info;
info = mm_callback_info_uint_new (MM_MODEM (gsm), callback, user_data);
port = mm_generic_gsm_get_best_at_port (gsm, &info->error);
if (!port) {
mm_callback_info_schedule (info);
return;
}
mm_at_serial_port_queue_command (port, "+WGPRS=9,2", 3, get_access_technology_cb, info);
}
static void
get_allowed_mode_cb (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = user_data;
MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (info->modem);
gint read_mode = -1;
gchar *mode_str = NULL;
gchar *prefer_str = NULL;
GRegex *r = NULL;
GMatchInfo *match_info = NULL;
if (error) {
info->error = g_error_copy (error);
mm_callback_info_schedule (info);
return;
}
/* Possible responses:
* +WWSM: 0 (2G only)
* +WWSM: 1 (3G only)
* +WWSM: 2,0 (Any)
* +WWSM: 2,1 (2G preferred)
* +WWSM: 2,2 (3G preferred)
*/
r = g_regex_new ("\\r\\n\\+WWSM: ([0-2])(,([0-2]))?.*$", 0, 0, NULL);
if (r && g_regex_match_full (r, response->str, response->len, 0, 0, &match_info, NULL)) {
mode_str = g_match_info_fetch (match_info, 1);
prefer_str = g_match_info_fetch (match_info, 3); /* 3, to avoid the comma */
if (mode_str) {
switch (atoi (mode_str)) {
case 0:
if (!prefer_str)
read_mode = MM_MODEM_GSM_ALLOWED_MODE_2G_ONLY;
break;
case 1:
if (!prefer_str)
read_mode = MM_MODEM_GSM_ALLOWED_MODE_3G_ONLY;
break;
case 2:
if (prefer_str) {
switch (atoi (prefer_str)) {
case 0:
read_mode = MM_MODEM_GSM_ALLOWED_MODE_ANY;
break;
case 1:
read_mode = MM_MODEM_GSM_ALLOWED_MODE_2G_PREFERRED;
break;
case 2:
read_mode = MM_MODEM_GSM_ALLOWED_MODE_3G_PREFERRED;
break;
default:
g_warn_if_reached ();
break;
}
}
break;
default:
g_warn_if_reached ();
break;
}
}
}
if (read_mode < 0) {
info->error = g_error_new (MM_MODEM_ERROR,
MM_MODEM_ERROR_GENERAL,
"Unexpected wireless data service reply: '%s' "
"(mode: '%s', prefer: '%s')",
response->str,
mode_str ? mode_str : "none",
prefer_str ? prefer_str : "none");
} else {
priv->allowed_mode = (guint)read_mode;
mm_callback_info_set_result (info,
GUINT_TO_POINTER (priv->allowed_mode),
NULL);
}
if (r)
g_regex_unref (r);
if (match_info)
g_match_info_free (match_info);
g_free (mode_str);
g_free (prefer_str);
mm_callback_info_schedule (info);
}
static void
get_allowed_mode (MMGenericGsm *gsm,
MMModemUIntFn callback,
gpointer user_data)
{
MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (gsm);
MMCallbackInfo *info;
info = mm_callback_info_uint_new (MM_MODEM (gsm), callback, user_data);
/* For 3G devices, query WWSM status */
if (priv->supported_ms_classes & WAVECOM_MS_CLASS_A) {
MMAtSerialPort *port;
port = mm_generic_gsm_get_best_at_port (gsm, &info->error);
if (!port) {
mm_callback_info_schedule (info);
return;
}
mm_at_serial_port_queue_command (port, "+WWSM?", 3, get_allowed_mode_cb, info);
return;
}
/* For 2G devices, just return cached value */
mm_callback_info_set_result (info,
GUINT_TO_POINTER (priv->allowed_mode),
NULL);
mm_callback_info_schedule (info);
}
static void
set_allowed_mode_cb (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = (MMCallbackInfo *) user_data;
MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (info->modem);
if (error)
info->error = g_error_copy (error);
else
priv->allowed_mode = GPOINTER_TO_UINT (mm_callback_info_get_data (info, "new-mode"));
mm_callback_info_schedule (info);
}
static void
set_allowed_mode (MMGenericGsm *gsm,
MMModemGsmAllowedMode mode,
MMModemFn callback,
gpointer user_data)
{
MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (gsm);
MMCallbackInfo *info;
info = mm_callback_info_new (MM_MODEM (gsm), callback, user_data);
/* For 3G devices, go on with WWSM */
if (priv->supported_ms_classes & WAVECOM_MS_CLASS_A) {
MMAtSerialPort *port;
GString *cmd;
gint net = -1;
gint prefer = -1;
/* Get port */
port = mm_generic_gsm_get_best_at_port (gsm, &info->error);
if (!port) {
mm_callback_info_schedule (info);
return;
}
mm_callback_info_set_data (info,
"new-mode",
GUINT_TO_POINTER (mode),
NULL);
switch (mode) {
case MM_MODEM_GSM_ALLOWED_MODE_ANY:
net = 2;
prefer = 0;
break;
case MM_MODEM_GSM_ALLOWED_MODE_2G_PREFERRED:
net = 2;
prefer = 1;
break;
case MM_MODEM_GSM_ALLOWED_MODE_3G_PREFERRED:
net = 2;
prefer = 2;
break;
case MM_MODEM_GSM_ALLOWED_MODE_2G_ONLY:
net = 0;
break;
case MM_MODEM_GSM_ALLOWED_MODE_3G_ONLY:
net = 1;
break;
}
cmd = g_string_new ("+WWSM=");
g_string_append_printf (cmd, "%d", net);
if (net == 2)
g_string_append_printf (cmd, ",%d", prefer);
mm_at_serial_port_queue_command (port, cmd->str, 3, set_allowed_mode_cb, info);
g_string_free (cmd, TRUE);
return;
}
/* For non-3G devices, allow only 2G-related allowed modes */
switch (mode) {
case MM_MODEM_GSM_ALLOWED_MODE_2G_PREFERRED:
case MM_MODEM_GSM_ALLOWED_MODE_2G_ONLY:
case MM_MODEM_GSM_ALLOWED_MODE_ANY:
priv->allowed_mode = mode;
break;
default:
info->error = g_error_new (MM_MODEM_ERROR,
MM_MODEM_ERROR_GENERAL,
"Cannot set desired allowed mode, "
"not a 3G device");
break;
}
mm_callback_info_schedule (info);
}
static void
enable_complete (MMGenericGsm *gsm,
GError *error,
MMCallbackInfo *info)
{
/* Do NOT chain up parent do_enable_power_up_done(), as it actually ignores
* all errors. */
mm_generic_gsm_enable_complete (MM_GENERIC_GSM (info->modem), error, info);
}
static void
set_highest_ms_class_cb (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = (MMCallbackInfo *) user_data;
MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (info->modem);
guint new_class;
if (error) {
enable_complete (MM_GENERIC_GSM (info->modem), error, info);
return;
}
new_class = GPOINTER_TO_UINT (mm_callback_info_get_data (info, "new-class"));
if (new_class)
priv->current_ms_class = new_class;
/* All done without errors! */
mm_dbg ("[5/5] All done");
enable_complete (MM_GENERIC_GSM (info->modem), NULL, info);
}
static void
set_highest_ms_class (MMAtSerialPort *port,
MMCallbackInfo *info)
{
MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (info->modem);
guint new_class = 0;
if (priv->supported_ms_classes & WAVECOM_MS_CLASS_A) {
if (priv->current_ms_class != WAVECOM_MS_CLASS_A) {
/* A is supported but is not currently selected, switch to A */
new_class = WAVECOM_MS_CLASS_A;
}
} else if (priv->supported_ms_classes & WAVECOM_MS_CLASS_B) {
if (priv->current_ms_class != WAVECOM_MS_CLASS_B) {
/* B is supported but is not currently selected, switch to B */
new_class = WAVECOM_MS_CLASS_B;
}
} else if (priv->supported_ms_classes & WAVECOM_MS_CLASS_CG) {
if (priv->current_ms_class != WAVECOM_MS_CLASS_CG) {
/* CG is supported but is not currently selected, switch to CG */
new_class = WAVECOM_MS_CLASS_CG;
}
}
if (new_class) {
const gchar *new_class_str;
gchar *cmd;
new_class_str = wavecom_ms_class_to_str (new_class);
mm_dbg ("Changing mobile station class to: %s", new_class_str);
mm_callback_info_set_data (info,
"new-class",
GUINT_TO_POINTER (new_class),
NULL);
cmd = g_strdup_printf ("+CGCLASS=%s", new_class_str);
mm_at_serial_port_queue_command (port, cmd, 3, set_highest_ms_class_cb, info);
g_free (cmd);
return;
}
/* if no need to change station class, then just go on */
mm_dbg ("No need to change mobile station class");
set_highest_ms_class_cb (port, NULL, NULL, info);
}
static void
get_current_ms_class_cb (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = user_data;
MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (info->modem);
const gchar *p;
if (error) {
enable_complete (MM_GENERIC_GSM (info->modem), error, info);
return;
}
p = mm_strip_tag (response->str, "+CGCLASS:");
if (strncmp (p,
WAVECOM_MS_CLASS_A_IDSTR,
strlen (WAVECOM_MS_CLASS_A_IDSTR)) == 0) {
mm_dbg ("Modem configured as a Class A mobile station");
priv->current_ms_class = WAVECOM_MS_CLASS_A;
} else if (strncmp (p,
WAVECOM_MS_CLASS_B_IDSTR,
strlen (WAVECOM_MS_CLASS_B_IDSTR)) == 0) {
mm_dbg ("Modem configured as a Class B mobile station");
priv->current_ms_class = WAVECOM_MS_CLASS_B;
} else if (strncmp (p,
WAVECOM_MS_CLASS_CG_IDSTR,
strlen (WAVECOM_MS_CLASS_CG_IDSTR)) == 0) {
mm_dbg ("Modem configured as a Class CG mobile station");
priv->current_ms_class = WAVECOM_MS_CLASS_CG;
} else if (strncmp (p,
WAVECOM_MS_CLASS_CC_IDSTR,
strlen (WAVECOM_MS_CLASS_CC_IDSTR)) == 0) {
mm_dbg ("Modem configured as a Class CC mobile station");
priv->current_ms_class = WAVECOM_MS_CLASS_CC;
} else {
GError *inner_error;
inner_error = g_error_new (MM_MODEM_ERROR,
MM_MODEM_ERROR_GENERAL,
"Unknown mobile station class: '%s'",
p);
enable_complete (MM_GENERIC_GSM (info->modem), inner_error, info);
g_error_free (inner_error);
return;
}
/* Next, set highest mobile station class possible */
mm_dbg ("[4/5] Ensuring highest MS class...");
set_highest_ms_class (port, info);
}
static void
get_supported_ms_classes_cb (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = user_data;
MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (info->modem);
const gchar *p;
if (error) {
enable_complete (MM_GENERIC_GSM (info->modem), error, info);
return;
}
/* Reset currently supported MS classes */
priv->supported_ms_classes = 0;
p = mm_strip_tag (response->str, "+CGCLASS:");
if (strstr (p, WAVECOM_MS_CLASS_A_IDSTR)) {
mm_dbg ("Modem supports Class A mobile station");
priv->supported_ms_classes |= WAVECOM_MS_CLASS_A;
}
if (strstr (p, WAVECOM_MS_CLASS_B_IDSTR)) {
mm_dbg ("Modem supports Class B mobile station");
priv->supported_ms_classes |= WAVECOM_MS_CLASS_B;
}
if (strstr (p, WAVECOM_MS_CLASS_CG_IDSTR)) {
mm_dbg ("Modem supports Class CG mobile station");
priv->supported_ms_classes |= WAVECOM_MS_CLASS_CG;
}
if (strstr (p, WAVECOM_MS_CLASS_CC_IDSTR)) {
mm_dbg ("Modem supports Class CC mobile station");
priv->supported_ms_classes |= WAVECOM_MS_CLASS_CC;
}
/* If none received, error */
if (!priv->supported_ms_classes) {
GError *inner_error;
inner_error = g_error_new (MM_MODEM_ERROR,
MM_MODEM_ERROR_GENERAL,
"Couldn't get supported mobile station classes");
enable_complete (MM_GENERIC_GSM (info->modem), inner_error, info);
g_error_free (inner_error);
return;
}
/* Next, query for current MS class */
mm_dbg ("[3/5] Getting current MS class...");
mm_at_serial_port_queue_command (port, "+CGCLASS?", 3, get_current_ms_class_cb, info);
}
static void
get_current_functionality_status_cb (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = user_data;
const gchar *p;
GError *inner_error;
if (error) {
enable_complete (MM_GENERIC_GSM (info->modem), error, info);
return;
}
p = mm_strip_tag (response->str, "+CFUN:");
if (!p || *p != '1') {
/* Reported functionality status MUST be '1'. Otherwise, RF is probably
* switched off. */
inner_error = g_error_new (MM_MODEM_ERROR,
MM_MODEM_ERROR_GENERAL,
"Unexpected functionality status: '%c'. ",
p ? *p :' ');
enable_complete (MM_GENERIC_GSM (info->modem), inner_error, info);
g_error_free (inner_error);
}
/* Nex, query for supported MS classes */
mm_dbg ("[2/5] Getting supported MS classes...");
mm_at_serial_port_queue_command (port, "+CGCLASS=?", 3, get_supported_ms_classes_cb, info);
}
static void
do_enable_power_up_done (MMGenericGsm *gsm,
GString *response,
GError *error,
MMCallbackInfo *info)
{
MMAtSerialPort *port;
GError *inner_error = NULL;
if (error) {
enable_complete (gsm, error, info);
return;
}
/* Get port */
port = mm_generic_gsm_get_best_at_port (gsm, &inner_error);
if (!port) {
enable_complete (gsm, inner_error, info);
g_error_free (inner_error);
return;
}
/* Next, get current functionality status */
mm_dbg ("[1/5] Getting current functionality status...");
mm_at_serial_port_queue_command (port, "+CFUN?", 3, get_current_functionality_status_cb, info);
}
/*****************************************************************************/
static void
modem_init (MMModem *modem_class)
{
modem_class->grab_port = grab_port;
}
static void
modem_gsm_network_init (MMModemGsmNetwork *network_class)
{
network_class->set_band = set_band;
network_class->get_band = get_band;
}
static void
mm_modem_wavecom_gsm_init (MMModemWavecomGsm *self)
{
MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (self);
/* Set defaults */
priv->supported_ms_classes = 0; /* This is a bitmask, so empty */
priv->current_ms_class = WAVECOM_MS_CLASS_UNKNOWN;
priv->allowed_mode = MM_MODEM_GSM_ALLOWED_MODE_ANY;
priv->current_bands = 0; /* This is a bitmask, so empty */
}
static void
mm_modem_wavecom_gsm_class_init (MMModemWavecomGsmClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
MMGenericGsmClass *gsm_class = MM_GENERIC_GSM_CLASS (klass);
g_type_class_add_private (object_class, sizeof (MMModemWavecomGsmPrivate));
object_class->get_property = get_property;
object_class->set_property = set_property;
g_object_class_override_property (object_class,
MM_GENERIC_GSM_PROP_POWER_UP_CMD,
MM_GENERIC_GSM_POWER_UP_CMD);
g_object_class_override_property (object_class,
MM_GENERIC_GSM_PROP_FLOW_CONTROL_CMD,
MM_GENERIC_GSM_FLOW_CONTROL_CMD);
gsm_class->do_enable_power_up_done = do_enable_power_up_done;
gsm_class->set_allowed_mode = set_allowed_mode;
gsm_class->get_allowed_mode = get_allowed_mode;
gsm_class->get_access_technology = get_access_technology;
}
Reference in New Issue View Git Blame Copy Permalink