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 /* 39 * btstack_run_loop_embedded.h 40 * Functionality special to the embedded run loop 41 */ 42 43 #ifndef BTSTACK_RUN_LOOP_EMBEDDED_H 44 #define BTSTACK_RUN_LOOP_EMBEDDED_H 45 46 #include "btstack_config.h" 47 #include "btstack_linked_list.h" 48 #include "btstack_run_loop.h" 49 50 #ifdef HAVE_POSIX_TIME 51 #include <sys/time.h> 52 #endif 53 #include <stdint.h> 54 55 #if defined __cplusplus 56 extern "C" { 57 #endif 58 59 /** 60 * Provide btstack_run_loop_embedded instance 61 */ 62 const btstack_run_loop_t * btstack_run_loop_embedded_get_instance(void); 63 64 // hack to fix HCI timer handling 65 #ifdef HAVE_EMBEDDED_TICK 66 /** 67 * @brief Sets how many milliseconds has one tick. 68 */ 69 uint32_t btstack_run_loop_embedded_ticks_for_ms(uint32_t time_in_ms); 70 /** 71 * @brief Queries the current time in ticks. 72 */ 73 uint32_t btstack_run_loop_embedded_get_ticks(void); 74 #endif 75 76 /** 77 * @brief Sets an internal flag that is checked in the critical section just before entering sleep mode. Has to be called by the interrupt handler of a data source to signal the run loop that a new data is available. 78 * @deprecated Please use btstack_run_loop_poll_data_sources_from_irq() instead 79 */ 80 void btstack_run_loop_embedded_trigger(void); 81 82 /** 83 * @brief Execute run_loop once. It can be used to integrate BTstack's timer and data source processing into a foreign run loop 84 * 85 * @note Not recommended. Instead, you can implement the btstack_run_loop_t interface with your own run loop and request 86 * - processing of timers by calling btstack_run_loop_base_process_timers and 87 * - poll data sources with by calling btstack_run_loop_base_poll_data_sources 88 */ 89 void btstack_run_loop_embedded_execute_once(void); 90 91 /* API_END */ 92 93 #if defined __cplusplus 94 } 95 #endif 96 97 #endif // BTSTACK_RUN_LOOP_EMBEDDED_H 98