155 lines
4.6 KiB
C
155 lines
4.6 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) 2015 Aleksander Morgado <aleksander@aleksander.es>
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*/
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#include "mm-common-novatel.h"
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#include "mm-log.h"
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/*****************************************************************************/
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/* Custom init */
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typedef struct {
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MMPortProbe *probe;
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MMPortSerialAt *port;
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guint nwdmat_retries;
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guint wait_time;
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} CustomInitContext;
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static void
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custom_init_context_free (CustomInitContext *ctx)
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{
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g_object_unref (ctx->port);
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g_object_unref (ctx->probe);
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g_slice_free (CustomInitContext, ctx);
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}
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gboolean
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mm_common_novatel_custom_init_finish (MMPortProbe *probe,
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GAsyncResult *result,
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GError **error)
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{
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return g_task_propagate_boolean (G_TASK (result), error);
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}
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static void custom_init_step (GTask *task);
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static void
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nwdmat_ready (MMPortSerialAt *port,
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GAsyncResult *res,
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GTask* task)
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{
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const gchar *response;
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GError *error = NULL;
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response = mm_port_serial_at_command_finish (port, res, &error);
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if (error) {
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if (g_error_matches (error,
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MM_SERIAL_ERROR,
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MM_SERIAL_ERROR_RESPONSE_TIMEOUT)) {
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custom_init_step (task);
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goto out;
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}
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mm_dbg ("(Novatel) Error flipping secondary ports to AT mode: %s", error->message);
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}
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/* Finish custom_init */
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g_task_return_boolean (task, TRUE);
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g_object_unref (task);
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out:
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if (error)
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g_error_free (error);
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}
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static gboolean
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custom_init_wait_cb (GTask *task)
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{
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custom_init_step (task);
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return G_SOURCE_REMOVE;
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}
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static void
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custom_init_step (GTask *task)
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{
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CustomInitContext *ctx;
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ctx = g_task_get_task_data (task);
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/* If cancelled, end */
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if (g_cancellable_is_cancelled (g_task_get_cancellable (task))) {
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mm_dbg ("(Novatel) no need to keep on running custom init in (%s)",
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mm_port_get_device (MM_PORT (ctx->port)));
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g_task_return_boolean (task, TRUE);
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g_object_unref (task);
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return;
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}
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/* If device has a QMI port, don't run $NWDMAT */
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if (mm_port_probe_list_has_qmi_port (mm_device_peek_port_probe_list (mm_port_probe_peek_device (ctx->probe)))) {
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mm_dbg ("(Novatel) no need to run custom init in (%s): device has QMI port",
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mm_port_get_device (MM_PORT (ctx->port)));
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g_task_return_boolean (task, TRUE);
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g_object_unref (task);
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return;
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}
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if (ctx->wait_time > 0) {
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ctx->wait_time--;
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g_timeout_add_seconds (1, (GSourceFunc)custom_init_wait_cb, task);
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return;
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}
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if (ctx->nwdmat_retries > 0) {
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ctx->nwdmat_retries--;
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mm_port_serial_at_command (ctx->port,
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"$NWDMAT=1",
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3,
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FALSE, /* raw */
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FALSE, /* allow_cached */
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g_task_get_cancellable (task),
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(GAsyncReadyCallback)nwdmat_ready,
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task);
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return;
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}
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/* Finish custom_init */
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mm_dbg ("(Novatel) couldn't flip secondary port to AT in (%s): all retries consumed",
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mm_port_get_device (MM_PORT (ctx->port)));
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g_task_return_boolean (task, TRUE);
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g_object_unref (task);
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}
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void
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mm_common_novatel_custom_init (MMPortProbe *probe,
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MMPortSerialAt *port,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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CustomInitContext *ctx;
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GTask *task;
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ctx = g_slice_new (CustomInitContext);
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ctx->probe = g_object_ref (probe);
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ctx->port = g_object_ref (port);
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ctx->nwdmat_retries = 3;
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ctx->wait_time = 2;
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task = g_task_new (probe, cancellable, callback, user_data);
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g_task_set_task_data (task, ctx, (GDestroyNotify)custom_init_context_free);
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custom_init_step (task);
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}
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