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btstack_run_loop_base: portable implementation of timer and data source managment as base for platform specific implementations
This commit is contained in:
Matthias Ringwald
parent
26244be471
commit
98a6a0788e
@ -11,7 +11,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
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### Fixed
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- RFCOMM: accept incoming L2CAP connection in Basic mode if ERTM is enabled but not requested for this connection
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---
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### Added
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- btstack_run_loop_base: portable implementation of timer and data source managment as base for platform specific implementations
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## Changes July 2019
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@ -21,8 +23,6 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
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### Changed
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- SM: Start encryption upon receiving slave securiy request if bonded
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### Added
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---
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## Changes June 2019
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123
src/btstack_run_loop_base.c
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123
src/btstack_run_loop_base.c
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@ -0,0 +1,123 @@
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/*
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* Copyright (C) 2019 BlueKitchen GmbH
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* 4. Any redistribution, use, or modification is done solely for
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* personal benefit and not for any commercial purpose or for
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* monetary gain.
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*
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* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
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* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Please inquire about commercial licensing options at
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* contact@bluekitchen-gmbh.com
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*
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*/
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#define BTSTACK_FILE__ "btstack_run_loop_base.c"
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/*
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* btstack_run_loop_base.h
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*
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* Portable implementation of timer and data source managment as base for platform specific implementations
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*/
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#include "btstack_debug.h"
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#include "btstack_config.h"
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#include "btstack_util.h"
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#include "btstack_run_loop_base.h"
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// private data (access only by run loop implementations)
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btstack_linked_list_t btstack_run_loop_base_timers;
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btstack_linked_list_t btstack_run_loop_base_data_sources;
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void btstack_run_loop_base_init(void){
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btstack_run_loop_base_timers = NULL;
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btstack_run_loop_base_data_sources = NULL;
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}
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void btstack_run_loop_base_add_data_source(btstack_data_source_t *ds){
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btstack_linked_list_add(&btstack_run_loop_base_data_sources, (btstack_linked_item_t *) ds);
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}
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int btstack_run_loop_base_remove_data_source(btstack_data_source_t *ds){
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return btstack_linked_list_remove(&btstack_run_loop_base_data_sources, (btstack_linked_item_t *) ds);
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}
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void btstack_run_loop_base_enable_data_source_callbacks(btstack_data_source_t * ds, uint16_t callback_types){
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ds->flags |= callback_types;
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}
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void btstack_run_loop_base_disable_data_source_callbacks(btstack_data_source_t * ds, uint16_t callback_types){
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ds->flags &= ~callback_types;
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}
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int btstack_run_loop_base_remove_timer(btstack_timer_source_t *ts){
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return btstack_linked_list_remove(&btstack_run_loop_base_timers, (btstack_linked_item_t *) ts);
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}
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void btstack_run_loop_base_add_timer(btstack_timer_source_t *ts){
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btstack_linked_item_t *it;
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for (it = (btstack_linked_item_t *) &btstack_run_loop_base_timers; it->next ; it = it->next){
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// don't add timer that's already in there
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if ((btstack_timer_source_t *) it->next == ts){
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log_error( "btstack_run_loop_timer_add error: timer to add already in list!");
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return;
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}
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// exit if list timeout is after new timeout
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uint32_t list_timeout = ((btstack_timer_source_t *) it->next)->timeout;
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int32_t delta = btstack_time_delta(ts->timeout, list_timeout);
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if (delta < 0) break;
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}
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ts->item.next = it->next;
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it->next = (btstack_linked_item_t *) ts;
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}
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void btstack_run_loop_base_process_timers(uint32_t now){
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// process timers, exit when timeout is in the future
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while (btstack_run_loop_base_timers) {
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btstack_timer_source_t * ts = (btstack_timer_source_t *) btstack_run_loop_base_timers;
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int32_t delta = btstack_time_delta(ts->timeout, now);
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if (delta > 0) break;
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btstack_run_loop_base_remove_timer(ts);
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ts->process(ts);
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}
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}
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/**
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* @brief Get time until first timer fires
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* @returns -1 if no timers, time until next timeout otherwise
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*/
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int32_t btstack_run_loop_base_get_time_until_timeout(uint32_t now){
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if (btstack_run_loop_base_timers == NULL) return -1;
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btstack_timer_source_t * ts = (btstack_timer_source_t *) btstack_run_loop_base_timers;
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uint32_t list_timeout = ts->timeout;
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int32_t delta = btstack_time_delta(list_timeout, now);
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if (delta < 0){
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delta = 0;
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}
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return delta;
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}
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118
src/btstack_run_loop_base.h
Normal file
118
src/btstack_run_loop_base.h
Normal file
@ -0,0 +1,118 @@
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/*
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* Copyright (C) 2019 BlueKitchen GmbH
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* 4. Any redistribution, use, or modification is done solely for
|
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* personal benefit and not for any commercial purpose or for
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* monetary gain.
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*
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* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
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* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Please inquire about commercial licensing options at
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* contact@bluekitchen-gmbh.com
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*
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*/
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/*
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* btstack_run_loop_base.h
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*
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* Portable implementation of timer and data source managment as base for platform specific implementations
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*/
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#ifndef BTSTACK_RUN_LOOP_BASE_H
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#define BTSTACK_RUN_LOOP_BASE_H
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#include "btstack_run_loop.h"
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#include "btstack_linked_list.h"
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#include <stdint.h>
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#if defined __cplusplus
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extern "C" {
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#endif
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// private data (access only by run loop implementations)
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extern btstack_linked_list_t btstack_run_loop_base_timers;
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extern btstack_linked_list_t btstack_run_loop_base_data_sources;
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/**
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* @brief Init
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*/
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void btstack_run_loop_base_init(void);
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/**
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* @brief Add timer source.
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*/
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void btstack_run_loop_base_add_timer(btstack_timer_source_t * timer);
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/**
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* @brief Remove timer source.
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*/
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int btstack_run_loop_base_remove_timer(btstack_timer_source_t * timer);
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/**
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* @brief Process timers: remove expired timers from list and call their process function
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* @param now
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*/
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void btstack_run_loop_base_process_timers(uint32_t now);
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/**
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* @brief Get time until first timer fires
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* @returns -1 if no timers, time until next timeout otherwise
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*/
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int32_t btstack_run_loop_base_get_time_until_timeout(uint32_t now);
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/**
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* @brief Add data source to run loop
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* @param data_source to add
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*/
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void btstack_run_loop_base_add_data_source(btstack_data_source_t * data_source);
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/**
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* @brief Remove data source from run loop
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* @param data_source to remove
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*/
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int btstack_run_loop_base_remove_data_source(btstack_data_source_t * data_source);
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/**
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* @brief Enable callbacks for a data source
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* @param data_source to remove
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* @param callback types to enable
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*/
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void btstack_run_loop_base_enable_data_source_callbacks(btstack_data_source_t * data_source, uint16_t callbacks);
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/**
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* @brief Enable callbacks for a data source
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* @param data_source to remove
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* @param callback types to disable
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*/
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void btstack_run_loop_base_disable_data_source_callbacks(btstack_data_source_t * data_source, uint16_t callbacks);
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#if defined __cplusplus
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}
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#endif
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#endif // BTSTACK_RUN_LOOP_BASE_H
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