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 btstack_assert(ds->process != NULL); 98 the_run_loop->add_data_source(ds); 99 } 100 101 /** 102 * Remove data_source from run loop 103 */ 104 int btstack_run_loop_remove_data_source(btstack_data_source_t *ds){ 105 btstack_assert(the_run_loop != NULL); 106 btstack_assert(the_run_loop->disable_data_source_callbacks != NULL); 107 btstack_assert(ds->process != NULL); 108 return the_run_loop->remove_data_source(ds); 109 } 110 111 void btstack_run_loop_set_timer(btstack_timer_source_t *a, uint32_t timeout_in_ms){ 112 btstack_assert(the_run_loop != NULL); 113 the_run_loop->set_timer(a, timeout_in_ms); 114 } 115 116 /** 117 * @brief Set context for this timer 118 */ 119 void btstack_run_loop_set_timer_context(btstack_timer_source_t *ts, void * context){ 120 ts->context = context; 121 } 122 123 /** 124 * @brief Get context for this timer 125 */ 126 void * btstack_run_loop_get_timer_context(btstack_timer_source_t *ts){ 127 return ts->context; 128 } 129 130 /** 131 * Add timer to run_loop (keep list sorted) 132 */ 133 void btstack_run_loop_add_timer(btstack_timer_source_t *ts){ 134 btstack_assert(the_run_loop != NULL); 135 btstack_assert(ts->process != NULL); 136 the_run_loop->add_timer(ts); 137 } 138 139 /** 140 * Remove timer from run loop 141 */ 142 int btstack_run_loop_remove_timer(btstack_timer_source_t *ts){ 143 btstack_assert(the_run_loop != NULL); 144 return the_run_loop->remove_timer(ts); 145 } 146 147 /** 148 * @brief Get current time in ms 149 */ 150 uint32_t btstack_run_loop_get_time_ms(void){ 151 btstack_assert(the_run_loop != NULL); 152 return the_run_loop->get_time_ms(); 153 } 154 155 156 void btstack_run_loop_timer_dump(void){ 157 btstack_assert(the_run_loop != NULL); 158 the_run_loop->dump_timer(); 159 } 160 161 /** 162 * Execute run_loop 163 */ 164 void btstack_run_loop_execute(void){ 165 btstack_assert(the_run_loop != NULL); 166 the_run_loop->execute(); 167 } 168 169 // init must be called before any other run_loop call 170 void btstack_run_loop_init(const btstack_run_loop_t * run_loop){ 171 btstack_assert(the_run_loop == NULL); 172 the_run_loop = run_loop; 173 the_run_loop->init(); 174 } 175 176 void btstack_run_loop_deinit(void){ 177 the_run_loop = NULL; 178 } 179 180