diff options
Diffstat (limited to 'src/plugins/novatel/mm-common-novatel.c')
-rw-r--r-- | src/plugins/novatel/mm-common-novatel.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/src/plugins/novatel/mm-common-novatel.c b/src/plugins/novatel/mm-common-novatel.c new file mode 100644 index 00000000..b6b0e272 --- /dev/null +++ b/src/plugins/novatel/mm-common-novatel.c @@ -0,0 +1,145 @@ +/* -*- 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-object.h" + +/*****************************************************************************/ +/* Custom init */ + +typedef struct { + MMPortSerialAt *port; + guint nwdmat_retries; + guint wait_time; +} CustomInitContext; + +static void +custom_init_context_free (CustomInitContext *ctx) +{ + g_object_unref (ctx->port); + g_slice_free (CustomInitContext, ctx); +} + +gboolean +mm_common_novatel_custom_init_finish (MMPortProbe *probe, + GAsyncResult *result, + GError **error) +{ + return g_task_propagate_boolean (G_TASK (result), error); +} + +static void custom_init_step (GTask *task); + +static void +nwdmat_ready (MMPortSerialAt *port, + GAsyncResult *res, + GTask *task) +{ + g_autoptr(GError) error = NULL; + MMPortProbe *probe; + + probe = g_task_get_source_object (task); + + 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 (task); + return; + } + + mm_obj_dbg (probe, "error flipping secondary ports to AT mode: %s", error->message); + } + + /* Finish custom_init */ + g_task_return_boolean (task, TRUE); + g_object_unref (task); +} + +static gboolean +custom_init_wait_cb (GTask *task) +{ + custom_init_step (task); + return G_SOURCE_REMOVE; +} + +static void +custom_init_step (GTask *task) +{ + CustomInitContext *ctx; + MMPortProbe *probe; + + probe = g_task_get_source_object (task); + ctx = g_task_get_task_data (task); + + /* If cancelled, end */ + if (g_task_return_error_if_cancelled (task)) { + mm_obj_dbg (probe, "no need to keep on running custom init"); + g_object_unref (task); + return; + } + + /* If device has a QMI port, don't run $NWDMAT */ + if (mm_port_probe_list_has_qmi_port (mm_device_peek_port_probe_list (mm_port_probe_peek_device (probe)))) { + mm_obj_dbg (probe, "no need to run custom init: device has QMI port"); + g_task_return_boolean (task, TRUE); + g_object_unref (task); + return; + } + + if (ctx->wait_time > 0) { + ctx->wait_time--; + g_timeout_add_seconds (1, (GSourceFunc)custom_init_wait_cb, task); + return; + } + + if (ctx->nwdmat_retries > 0) { + ctx->nwdmat_retries--; + mm_port_serial_at_command (ctx->port, + "$NWDMAT=1", + 3, + FALSE, /* raw */ + FALSE, /* allow_cached */ + g_task_get_cancellable (task), + (GAsyncReadyCallback)nwdmat_ready, + task); + return; + } + + /* Finish custom_init */ + mm_obj_dbg (probe, "couldn't flip secondary port to AT: all retries consumed"); + g_task_return_boolean (task, TRUE); + g_object_unref (task); +} + +void +mm_common_novatel_custom_init (MMPortProbe *probe, + MMPortSerialAt *port, + GCancellable *cancellable, + GAsyncReadyCallback callback, + gpointer user_data) +{ + CustomInitContext *ctx; + GTask *task; + + ctx = g_slice_new (CustomInitContext); + ctx->port = g_object_ref (port); + ctx->nwdmat_retries = 3; + ctx->wait_time = 2; + + task = g_task_new (probe, cancellable, callback, user_data); + g_task_set_task_data (task, ctx, (GDestroyNotify)custom_init_context_free); + + custom_init_step (task); +} |