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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the MIT License which is available at |
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* https://opensource.org/licenses/MIT. |
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* |
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* SPDX-License-Identifier: MIT |
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**************************************************************************/ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/** */ |
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/** GUIX Component */ |
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/** */ |
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/** System Management (System) */ |
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/** */ |
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/**************************************************************************/ |
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#define GX_SOURCE_CODE |
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/* Include necessary system files. */ |
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#include "gx_api.h" |
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#include "gx_system.h" |
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#include "gx_animation.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_system_timer_update PORTABLE C */ |
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/* 6.1 */ |
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/* AUTHOR */ |
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/* */ |
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/* Kenneth Maxwell, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* This function is called when the GUIX timers need to be updated. */ |
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/* It updates all of the GUIX application timers, and sends events */ |
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/* as needed. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* None */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* None */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* _gx_system_lock Lock system mutex */ |
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/* _gx_system_unlock Unlock system mutex */ |
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/* [gx_widget_event_process_function] Event handler of timer owner */ |
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/* _gx_system_timer_stop Stop the system timer */ |
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/* _gx_animation_update Update the animation sequence */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* tx_timer */ |
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/* */ |
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/* RELEASE HISTORY */ |
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/* */ |
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/* DATE NAME DESCRIPTION */ |
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/* */ |
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/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
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/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
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/* resulting in version 6.1 */ |
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/* */ |
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/**************************************************************************/ |
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VOID _gx_system_timer_update(ULONG ticks) |
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{ |
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GX_TIMER *current_timer; |
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GX_TIMER *next_timer; |
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GX_WIDGET *timer_owner; |
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UINT timer_id; |
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GX_EVENT timer_event; |
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GX_ENTER_CRITICAL |
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current_timer = _gx_system_active_timer_list; |
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timer_event.gx_event_type = GX_EVENT_TIMER; |
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✓✓ |
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while (current_timer) |
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{ |
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next_timer = current_timer -> gx_timer_next; |
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/* has this timer expired? */ |
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✓✓ |
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if (current_timer -> gx_timer_initial_ticks > ticks) |
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{ |
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/* just decrement the timer */ |
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current_timer -> gx_timer_initial_ticks -= ticks; |
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} |
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else |
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{ |
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/* timer has expired, call the timer owner's event handler */ |
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timer_owner = current_timer -> gx_timer_owner; |
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timer_id = current_timer -> gx_timer_id; |
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/* check to see if this timer should be removed or restarted */ |
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✓✓ |
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if (current_timer -> gx_timer_reschedule_ticks > 0) |
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{ |
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/* reload the timer */ |
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current_timer -> gx_timer_initial_ticks = current_timer -> gx_timer_reschedule_ticks; |
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} |
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else |
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{ |
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/* remove the timer */ |
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_gx_system_timer_stop(current_timer -> gx_timer_owner, current_timer -> gx_timer_id); |
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} |
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✓✓✓✓
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if (timer_owner != GX_NULL && timer_owner -> gx_widget_event_process_function) |
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{ |
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timer_event.gx_event_payload.gx_event_timer_id = timer_id; |
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timer_event.gx_event_target = timer_owner; |
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/*_gx_system_event_fold(&timer_event);*/ |
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_gx_system_event_send(&timer_event); |
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} |
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} |
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current_timer = next_timer; |
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} |
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✓✓ |
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if (_gx_system_animation_list) |
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{ |
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_gx_animation_update(); |
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} |
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/* release our lock */ |
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GX_EXIT_CRITICAL |
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} |
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