xref: /btstack/src/btstack_run_loop.c (revision 71d52576632fe7d9f24dc827de54333b4a282b5a)
1 /*
2  * Copyright (C) 2014 BlueKitchen GmbH
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the copyright holders nor the names of
14  *    contributors may be used to endorse or promote products derived
15  *    from this software without specific prior written permission.
16  * 4. Any redistribution, use, or modification is done solely for
17  *    personal benefit and not for any commercial purpose or for
18  *    monetary gain.
19  *
20  * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
24  * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
27  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
30  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  * Please inquire about commercial licensing options at
34  * [email protected]
35  *
36  */
37 
38 #define BTSTACK_FILE__ "btstack_run_loop.c"
39 
40 /*
41  *  run_loop.c
42  *
43  *  Created by Matthias Ringwald on 6/6/09.
44  */
45 
46 #include "btstack_run_loop.h"
47 
48 #include "btstack_debug.h"
49 #include "btstack_config.h"
50 
51 static const btstack_run_loop_t * the_run_loop = NULL;
52 
53 extern const btstack_run_loop_t btstack_run_loop_embedded;
54 
55 void btstack_run_loop_set_timer_handler(btstack_timer_source_t *ts, void (*process)(btstack_timer_source_t *_ts)){
56     ts->process = process;
57 };
58 
59 void btstack_run_loop_set_data_source_handler(btstack_data_source_t *ds, void (*process)(btstack_data_source_t *_ds,  btstack_data_source_callback_type_t callback_type)){
60     ds->process = process;
61 };
62 
63 void btstack_run_loop_set_data_source_fd(btstack_data_source_t *ds, int fd){
64     ds->source.fd = fd;
65 }
66 
67 int btstack_run_loop_get_data_source_fd(btstack_data_source_t *ds){
68     return ds->source.fd;
69 }
70 
71 void btstack_run_loop_set_data_source_handle(btstack_data_source_t *ds, void * handle){
72     ds->source.handle = handle;
73 }
74 
75 void * btstack_run_loop_get_data_source_handle(btstack_data_source_t *ds){
76     return ds->source.handle;
77 }
78 
79 void btstack_run_loop_enable_data_source_callbacks(btstack_data_source_t *ds, uint16_t callbacks){
80     btstack_assert(the_run_loop != NULL);
81     btstack_assert(the_run_loop->enable_data_source_callbacks != NULL);
82     the_run_loop->enable_data_source_callbacks(ds, callbacks);
83 }
84 
85 void btstack_run_loop_disable_data_source_callbacks(btstack_data_source_t *ds, uint16_t callbacks){
86     btstack_assert(the_run_loop != NULL);
87     btstack_assert(the_run_loop->enable_data_source_callbacks != NULL);
88     the_run_loop->disable_data_source_callbacks(ds, callbacks);
89 }
90 
91 /**
92  * Add data_source to run_loop
93  */
94 void btstack_run_loop_add_data_source(btstack_data_source_t *ds){
95     btstack_assert(the_run_loop != NULL);
96     btstack_assert(the_run_loop->enable_data_source_callbacks != NULL);
97     the_run_loop->add_data_source(ds);
98 }
99 
100 /**
101  * Remove data_source from run loop
102  */
103 int btstack_run_loop_remove_data_source(btstack_data_source_t *ds){
104     btstack_assert(the_run_loop != NULL);
105     btstack_assert(the_run_loop->enable_data_source_callbacks != NULL);
106     return the_run_loop->remove_data_source(ds);
107 }
108 
109 void btstack_run_loop_set_timer(btstack_timer_source_t *a, uint32_t timeout_in_ms){
110     btstack_assert(the_run_loop != NULL);
111     the_run_loop->set_timer(a, timeout_in_ms);
112 }
113 
114 /**
115  * @brief Set context for this timer
116  */
117 void btstack_run_loop_set_timer_context(btstack_timer_source_t *ts, void * context){
118     ts->context = context;
119 }
120 
121 /**
122  * @brief Get context for this timer
123  */
124 void * btstack_run_loop_get_timer_context(btstack_timer_source_t *ts){
125     return ts->context;
126 }
127 
128 /**
129  * Add timer to run_loop (keep list sorted)
130  */
131 void btstack_run_loop_add_timer(btstack_timer_source_t *ts){
132     btstack_assert(the_run_loop != NULL);
133     the_run_loop->add_timer(ts);
134 }
135 
136 /**
137  * Remove timer from run loop
138  */
139 int btstack_run_loop_remove_timer(btstack_timer_source_t *ts){
140     btstack_assert(the_run_loop != NULL);
141     return the_run_loop->remove_timer(ts);
142 }
143 
144 /**
145  * @brief Get current time in ms
146  */
147 uint32_t btstack_run_loop_get_time_ms(void){
148     btstack_assert(the_run_loop != NULL);
149     return the_run_loop->get_time_ms();
150 }
151 
152 
153 void btstack_run_loop_timer_dump(void){
154     btstack_assert(the_run_loop != NULL);
155     the_run_loop->dump_timer();
156 }
157 
158 /**
159  * Execute run_loop
160  */
161 void btstack_run_loop_execute(void){
162     btstack_assert(the_run_loop != NULL);
163     the_run_loop->execute();
164 }
165 
166 // init must be called before any other run_loop call
167 void btstack_run_loop_init(const btstack_run_loop_t * run_loop){
168     btstack_assert(the_run_loop == NULL);
169     the_run_loop = run_loop;
170     the_run_loop->init();
171 }
172 
173 void btstack_run_loop_deinit(void){
174     the_run_loop = NULL;
175 }
176 
177