Aleksander Morgado
15f2c56f89
Split the after power up step into: * querying supported functionality status during the first power-down request. * querying supported networks during supported modes loading.
349 lines
12 KiB
C
349 lines
12 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details:
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*
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* Copyright (C) 2011 Ammonit Measurement GmbH
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* Copyright (C) 2011 Google Inc.
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* Author: Aleksander Morgado <aleksander@lanedo.com>
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*/
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#include <config.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <ctype.h>
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#include "ModemManager.h"
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#include "mm-modem-helpers.h"
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#include "mm-serial-parsers.h"
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#include "mm-log.h"
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#include "mm-errors-types.h"
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#include "mm-iface-modem.h"
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#include "mm-base-modem-at.h"
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#include "mm-broadband-modem-cinterion.h"
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static void iface_modem_init (MMIfaceModem *iface);
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G_DEFINE_TYPE_EXTENDED (MMBroadbandModemCinterion, mm_broadband_modem_cinterion, MM_TYPE_BROADBAND_MODEM, 0,
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G_IMPLEMENT_INTERFACE (MM_TYPE_IFACE_MODEM, iface_modem_init));
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struct _MMBroadbandModemCinterionPrivate {
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/* Command to go into sleep mode */
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gchar *sleep_mode_cmd;
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/* Supported networks */
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gboolean only_geran;
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gboolean only_utran;
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gboolean both_geran_utran;
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};
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/*****************************************************************************/
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/* MODEM POWER DOWN */
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static gboolean
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modem_power_down_finish (MMIfaceModem *self,
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GAsyncResult *res,
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GError **error)
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{
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/* Ignore errors */
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return TRUE;
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}
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static void
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send_sleep_mode_command (MMBroadbandModemCinterion *self,
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GSimpleAsyncResult *operation_result)
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{
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if (self->priv->sleep_mode_cmd &&
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self->priv->sleep_mode_cmd[0])
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mm_base_modem_at_command_ignore_reply (MM_BASE_MODEM (self),
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self->priv->sleep_mode_cmd,
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5);
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}
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static void
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supported_functionality_status_query_ready (MMBroadbandModemCinterion *self,
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GAsyncResult *res,
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GSimpleAsyncResult *operation_result)
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{
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const gchar *response;
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GError *error = NULL;
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g_assert (self->priv->sleep_mode_cmd == NULL);
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response = mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error);
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if (!response) {
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mm_warn ("Couldn't query supported functionality status: '%s'",
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error->message);
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g_error_free (error);
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self->priv->sleep_mode_cmd = g_strdup ("");
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} else {
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/* We need to get which power-off command to use to put the modem in low
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* power mode (with serial port open for AT commands, but with RF switched
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* off). According to the documentation of various Cinterion modems, some
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* support AT+CFUN=4 (HC25) and those which don't support it can use
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* AT+CFUN=7 (CYCLIC SLEEP mode with 2s timeout after last character
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* received in the serial port).
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*
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* So, just look for '4' in the reply; if not found, look for '7', and if
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* not found, report warning and don't use any.
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*/
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if (strstr (response, "4") != NULL) {
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mm_dbg ("Device supports CFUN=4 sleep mode");
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self->priv->sleep_mode_cmd = g_strdup ("+CFUN=4");
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} else if (strstr (response, "7") != NULL) {
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mm_dbg ("Device supports CFUN=7 sleep mode");
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self->priv->sleep_mode_cmd = g_strdup ("+CFUN=7");
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} else {
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mm_warn ("Unknown functionality mode to go into sleep mode");
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self->priv->sleep_mode_cmd = g_strdup ("");
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}
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}
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send_sleep_mode_command (self, operation_result);
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}
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static void
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modem_power_down (MMIfaceModem *self,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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MMBroadbandModemCinterion *cinterion = MM_BROADBAND_MODEM_CINTERION (self);
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GSimpleAsyncResult *result;
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result = g_simple_async_result_new (G_OBJECT (self),
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callback,
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user_data,
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modem_power_down);
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/* If sleep command already decided, use it. */
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if (cinterion->priv->sleep_mode_cmd)
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send_sleep_mode_command (MM_BROADBAND_MODEM_CINTERION (self),
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result);
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else
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mm_base_modem_at_command (
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MM_BASE_MODEM (self),
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"+CFUN=?",
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3,
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FALSE,
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NULL, /* cancellable */
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(GAsyncReadyCallback)supported_functionality_status_query_ready,
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result);
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}
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/*****************************************************************************/
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/* SUPPORTED MODES */
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static MMModemMode
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load_supported_modes_finish (MMIfaceModem *self,
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GAsyncResult *res,
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GError **error)
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{
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if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error))
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return MM_MODEM_MODE_NONE;
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return (MMModemMode) GPOINTER_TO_UINT (g_simple_async_result_get_op_res_gpointer (
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G_SIMPLE_ASYNC_RESULT (res)));
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}
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static void
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supported_networks_query_ready (MMBroadbandModemCinterion *self,
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GAsyncResult *res,
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GSimpleAsyncResult *operation_result)
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{
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const gchar *response;
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GError *error = NULL;
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MMModemMode mode;
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response = mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error);
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if (!response) {
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/* Let the error be critical. */
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g_simple_async_result_take_error (operation_result, error);
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g_simple_async_result_complete (operation_result);
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g_object_unref (operation_result);
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return;
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}
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/* Note: Documentation says that AT+WS46=? is replied with '+WS46:' followed
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* by a list of supported network modes between parenthesis, but the EGS5
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* used to test this didn't use the 'WS46:' prefix. Also, more than one
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* numeric ID may appear in the list, that's why they are checked
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* separately. */
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mode = MM_MODEM_MODE_NONE;
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if (strstr (response, "12") != NULL) {
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mm_dbg ("Device allows 2G-only network mode");
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self->priv->only_geran = TRUE;
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mode |= MM_MODEM_MODE_2G;
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}
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if (strstr (response, "22") != NULL) {
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mm_dbg ("Device allows 3G-only network mode");
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self->priv->only_utran = TRUE;
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mode |= MM_MODEM_MODE_3G;
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}
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if (strstr (response, "25") != NULL) {
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mm_dbg ("Device allows 2G/3G network mode");
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self->priv->both_geran_utran = TRUE;
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mode |= (MM_MODEM_MODE_2G | MM_MODEM_MODE_3G);
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}
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/* If no expected ID found, error */
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if (mode == MM_MODEM_MODE_NONE)
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g_simple_async_result_set_error (operation_result,
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MM_CORE_ERROR,
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MM_CORE_ERROR_FAILED,
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"Invalid list of supported networks: '%s'",
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response);
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else
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g_simple_async_result_set_op_res_gpointer (operation_result,
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GUINT_TO_POINTER (mode),
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NULL);
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g_simple_async_result_complete (operation_result);
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g_object_unref (operation_result);
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}
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static void
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load_supported_modes (MMIfaceModem *self,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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GSimpleAsyncResult *result;
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result = g_simple_async_result_new (G_OBJECT (self),
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callback,
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user_data,
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load_supported_modes);
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mm_base_modem_at_command (
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MM_BASE_MODEM (self),
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"+WS46=?",
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3,
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FALSE,
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NULL, /* cancellable */
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(GAsyncReadyCallback)supported_networks_query_ready,
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result);
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}
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/*****************************************************************************/
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/* FLOW CONTROL */
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static gboolean
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setup_flow_control_finish (MMIfaceModem *self,
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GAsyncResult *res,
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GError **error)
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{
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return !g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error);
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}
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static void
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setup_flow_control_ready (MMBroadbandModemCinterion *self,
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GAsyncResult *res,
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GSimpleAsyncResult *operation_result)
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{
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GError *error = NULL;
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if (!mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error))
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/* Let the error be critical. We DO need RTS/CTS in order to have
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* proper modem disabling. */
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g_simple_async_result_take_error (operation_result, error);
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else
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g_simple_async_result_set_op_res_gboolean (operation_result, TRUE);
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g_simple_async_result_complete (operation_result);
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g_object_unref (operation_result);
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}
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static void
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setup_flow_control (MMIfaceModem *self,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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GSimpleAsyncResult *result;
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result = g_simple_async_result_new (G_OBJECT (self),
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callback,
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user_data,
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setup_flow_control);
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/* We need to enable RTS/CTS so that CYCLIC SLEEP mode works */
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mm_base_modem_at_command (MM_BASE_MODEM (self),
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"\\Q3",
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3,
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FALSE,
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NULL, /* cancellable */
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(GAsyncReadyCallback)setup_flow_control_ready,
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result);
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}
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/*****************************************************************************/
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MMBroadbandModemCinterion *
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mm_broadband_modem_cinterion_new (const gchar *device,
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const gchar *driver,
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const gchar *plugin,
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guint16 vendor_id,
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guint16 product_id)
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{
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return g_object_new (MM_TYPE_BROADBAND_MODEM_CINTERION,
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MM_BASE_MODEM_DEVICE, device,
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MM_BASE_MODEM_DRIVER, driver,
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MM_BASE_MODEM_PLUGIN, plugin,
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MM_BASE_MODEM_VENDOR_ID, vendor_id,
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MM_BASE_MODEM_PRODUCT_ID, product_id,
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NULL);
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}
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static void
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mm_broadband_modem_cinterion_init (MMBroadbandModemCinterion *self)
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{
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/* Initialize private data */
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self->priv = G_TYPE_INSTANCE_GET_PRIVATE ((self),
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MM_TYPE_BROADBAND_MODEM_CINTERION,
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MMBroadbandModemCinterionPrivate);
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}
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static void
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finalize (GObject *object)
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{
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MMBroadbandModemCinterion *self = MM_BROADBAND_MODEM_CINTERION (object);
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g_free (self->priv->sleep_mode_cmd);
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G_OBJECT_CLASS (mm_broadband_modem_cinterion_parent_class)->finalize (object);
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}
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static void
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iface_modem_init (MMIfaceModem *iface)
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{
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iface->load_supported_modes = load_supported_modes;
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iface->load_supported_modes_finish = load_supported_modes_finish;
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iface->setup_flow_control = setup_flow_control;
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iface->setup_flow_control_finish = setup_flow_control_finish;
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iface->modem_power_down = modem_power_down;
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iface->modem_power_down_finish = modem_power_down_finish;
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}
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static void
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mm_broadband_modem_cinterion_class_init (MMBroadbandModemCinterionClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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g_type_class_add_private (object_class, sizeof (MMBroadbandModemCinterionPrivate));
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/* Virtual methods */
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object_class->finalize = finalize;
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}
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