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option: generalize common Option/HSO mode and unsolicited response handling

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This commit is contained in:
Dan Williams
2010-03-16 15:50:58 -07:00
parent 4d5f4f9a82
commit ad9fe9da28
3 changed files with 352 additions and 107 deletions
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297
plugins/mm-modem-option-utils.c Normal file
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@@ -0,0 +1,297 @@
/* -*- 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) 2010 Red Hat, Inc.
*/
/******************************************
* Generic utilities for Option NV modems
* Used with both 'option' and 'hso'
******************************************/
#include "mm-callback-info.h"
#include "mm-at-serial-port.h"
#include "mm-generic-gsm.h"
static void
option_get_allowed_mode_done (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = (MMCallbackInfo *) user_data;
gboolean parsed = FALSE;
if (error)
info->error = g_error_copy (error);
else if (!g_str_has_prefix (response->str, "_OPSYS: ")) {
int a, b;
if (sscanf (response->str + 8, "%d,%d", &a, &b)) {
MMModemGsmAllowedMode mode = MM_MODEM_GSM_ALLOWED_MODE_ANY;
switch (a) {
case 0:
mode = MM_MODEM_GSM_ALLOWED_MODE_2G_ONLY;
break;
case 1:
mode = MM_MODEM_GSM_ALLOWED_MODE_3G_ONLY;
break;
case 2:
mode = MM_MODEM_GSM_ALLOWED_MODE_2G_PREFERRED;
break;
case 3:
mode = MM_MODEM_GSM_ALLOWED_MODE_3G_PREFERRED;
break;
default:
break;
}
mm_callback_info_set_result (info, GUINT_TO_POINTER (mode), NULL);
parsed = TRUE;
}
}
if (!error && !parsed)
info->error = g_error_new_literal (MM_MODEM_ERROR, MM_MODEM_ERROR_GENERAL,
"Could not parse allowed mode results");
mm_callback_info_schedule (info);
}
static void
option_get_allowed_mode (MMGenericGsm *gsm,
MMModemUIntFn callback,
gpointer user_data)
{
MMCallbackInfo *info;
MMAtSerialPort *port;
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, "AT_OPSYS?", 3, option_get_allowed_mode_done, info);
}
static void
option_set_allowed_mode_done (MMAtSerialPort *port,
GString *response,
GError *error,
gpointer user_data)
{
MMCallbackInfo *info = (MMCallbackInfo *) user_data;
if (error)
info->error = g_error_copy (error);
mm_callback_info_schedule (info);
}
static void
option_set_allowed_mode (MMGenericGsm *gsm,
MMModemGsmAllowedMode mode,
MMModemFn callback,
gpointer user_data)
{
MMCallbackInfo *info;
MMAtSerialPort *port;
char *command;
int i;
info = mm_callback_info_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;
}
switch (mode) {
case MM_MODEM_GSM_ALLOWED_MODE_2G_ONLY:
i = 0;
break;
case MM_MODEM_GSM_ALLOWED_MODE_3G_ONLY:
i = 1;
break;
case MM_MODEM_GSM_ALLOWED_MODE_2G_PREFERRED:
i = 2;
break;
case MM_MODEM_GSM_ALLOWED_MODE_3G_PREFERRED:
i = 3;
break;
case MM_MODEM_GSM_ALLOWED_MODE_ANY:
default:
i = 5;
break;
}
command = g_strdup_printf ("AT_OPSYS=%d,2", i);
mm_at_serial_port_queue_command (port, command, 3, option_set_allowed_mode_done, info);
g_free (command);
}
static void
option_ossys_tech_changed (MMAtSerialPort *port,
GMatchInfo *info,
gpointer user_data)
{
MMModemGsmAccessTech act = MM_MODEM_GSM_ACCESS_TECH_UNKNOWN;
char *str;
str = g_match_info_fetch (info, 1);
if (str) {
switch (atoi (str)) {
case 0:
act = MM_MODEM_GSM_ACCESS_TECH_GPRS;
break;
case 2:
act = MM_MODEM_GSM_ACCESS_TECH_UMTS;
break;
default:
/* _OSSYSI only indicates general 2G/3G mode */
break;
}
}
g_free (str);
mm_generic_gsm_update_access_technology (MM_GENERIC_GSM (user_data), act);
}
static void
option_2g_tech_changed (MMAtSerialPort *port,
GMatchInfo *match_info,
gpointer user_data)
{
MMModemGsmAccessTech act = MM_MODEM_GSM_ACCESS_TECH_UNKNOWN;
char *str;
str = g_match_info_fetch (match_info, 1);
switch (atoi (str)) {
case 1:
act = MM_MODEM_GSM_ACCESS_TECH_GSM;
break;
case 2:
act = MM_MODEM_GSM_ACCESS_TECH_GPRS;
break;
case 3:
act = MM_MODEM_GSM_ACCESS_TECH_EDGE;
break;
default:
break;
}
g_free (str);
/* At the moment we can't do much with this since it's not consistently
* reported by the modem. _OSSYSI appears to always be reported, but
* doesn't provide the granularity that _OCTI and _OWCTI do, and so it
* would overwrite any _OCTI or _OWCTI response, and cause the access tech
* to flip-flop often.
*/
}
static void
option_3g_tech_changed (MMAtSerialPort *port,
GMatchInfo *match_info,
gpointer user_data)
{
MMModemGsmAccessTech act = MM_MODEM_GSM_ACCESS_TECH_UNKNOWN;
char *str;
str = g_match_info_fetch (match_info, 1);
switch (atoi (str)) {
case 1:
act = MM_MODEM_GSM_ACCESS_TECH_UMTS;
break;
case 2:
act = MM_MODEM_GSM_ACCESS_TECH_HSDPA;
break;
case 3:
act = MM_MODEM_GSM_ACCESS_TECH_HSUPA;
break;
case 4:
act = MM_MODEM_GSM_ACCESS_TECH_HSPA;
break;
default:
break;
}
g_free (str);
/* At the moment we can't do much with this since it's not consistently
* reported by the modem. _OSSYSI appears to always be reported, but
* doesn't provide the granularity that _OCTI and _OWCTI do, and so it
* would overwrite any _OCTI or _OWCTI response, and cause the access tech
* to flip-flop often.
*/
}
static void
option_signal_changed (MMAtSerialPort *port,
GMatchInfo *match_info,
gpointer user_data)
{
char *str;
int quality = 0;
str = g_match_info_fetch (match_info, 1);
quality = atoi (str);
g_free (str);
if (quality == 99) {
/* 99 means unknown */
quality = 0;
} else {
/* Normalize the quality */
quality = CLAMP (quality, 0, 31) * 100 / 31;
}
mm_generic_gsm_update_signal_quality (MM_GENERIC_GSM (user_data), (guint32) quality);
}
static void
option_register_unsolicted_handlers (MMGenericGsm *modem, MMAtSerialPort *port)
{
GRegex *regex;
regex = g_regex_new ("\\r\\n_OSSYSI:\\s*(\\d+)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
mm_at_serial_port_add_unsolicited_msg_handler (port, regex, option_ossys_tech_changed, modem, NULL);
g_regex_unref (regex);
regex = g_regex_new ("\\r\\n_OCTI:\\s*(\\d+)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
mm_at_serial_port_add_unsolicited_msg_handler (port, regex, option_2g_tech_changed, modem, NULL);
g_regex_unref (regex);
regex = g_regex_new ("\\r\\n_OWCTI:\\s*(\\d+)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
mm_at_serial_port_add_unsolicited_msg_handler (port, regex, option_3g_tech_changed, modem, NULL);
g_regex_unref (regex);
regex = g_regex_new ("\\r\\n_OSIGQ:\\s*(\\d+),(\\d)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
mm_at_serial_port_add_unsolicited_msg_handler (port, regex, option_signal_changed, modem, NULL);
g_regex_unref (regex);
}
static void
option_change_unsolicited_messages (MMGenericGsm *modem, gboolean enabled)
{
MMAtSerialPort *primary;
primary = mm_generic_gsm_get_at_port (modem, MM_PORT_TYPE_PRIMARY);
g_assert (primary);
mm_at_serial_port_queue_command (primary, enabled ? "_OSSYS=1" : "_OSSYS=0", 3, NULL, NULL);
mm_at_serial_port_queue_command (primary, enabled ? "_OCTI=1" : "_OCTI=0", 3, NULL, NULL);
mm_at_serial_port_queue_command (primary, enabled ? "_OSQI=1" : "_OSQI=0", 3, NULL, NULL);
}