65 lines
2 KiB
C++
65 lines
2 KiB
C++
/***************************************************************************
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*
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* Copyright 2015-2019 BES.
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* All rights reserved. All unpublished rights reserved.
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*
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* No part of this work may be used or reproduced in any form or by any
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* means, or stored in a database or retrieval system, without prior written
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* permission of BES.
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*
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* Use of this work is governed by a license granted by BES.
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* This work contains confidential and proprietary information of
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* BES. which is protected by copyright, trade secret,
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* trademark and other intellectual property rights.
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*
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****************************************************************************/
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#include "app_overlay.h"
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#include "cmsis_os.h"
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#include "hal_location.h"
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#include "hal_trace.h"
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osMutexDef(app_overlay_mutex);
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static osMutexId app_overlay_mutex_id = NULL;
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static APP_OVERLAY_ID_T app_overlay_id = APP_OVERLAY_ID_QTY;
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APP_OVERLAY_ID_T app_get_current_overlay(void) { return app_overlay_id; }
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void app_overlay_select(enum APP_OVERLAY_ID_T id) {
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TRACE(3, "%s id:%d:%d", __func__, id, app_overlay_id);
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osMutexWait(app_overlay_mutex_id, osWaitForever);
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if (app_overlay_id == APP_OVERLAY_ID_QTY) {
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app_overlay_load(id);
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} else if (app_overlay_id != APP_OVERLAY_ID_QTY) {
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if (app_overlay_id != id) {
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app_overlay_unload(app_overlay_id);
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app_overlay_load(id);
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}
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}
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app_overlay_id = id;
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osMutexRelease(app_overlay_mutex_id);
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}
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void app_overlay_unloadall(void) {
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osMutexWait(app_overlay_mutex_id, osWaitForever);
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if (app_overlay_id != APP_OVERLAY_ID_QTY) {
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app_overlay_unload(app_overlay_id);
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}
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app_overlay_id = APP_OVERLAY_ID_QTY;
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osMutexRelease(app_overlay_mutex_id);
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}
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void app_overlay_open(void) {
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if (app_overlay_mutex_id == NULL) {
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app_overlay_mutex_id = osMutexCreate(osMutex(app_overlay_mutex));
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}
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}
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void app_overlay_close(void) {
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app_overlay_unloadall();
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if (app_overlay_mutex_id != NULL) {
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osMutexDelete(app_overlay_mutex_id);
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app_overlay_mutex_id = NULL;
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}
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}
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