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