1 /* 2 * Copyright (C) 2020 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 BLUEKITCHEN 24 * GMBH 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 * hci_event.h 40 */ 41 42 #ifndef HAL_TIMER_H 43 #define HCI_TIMER_H 44 45 #include "bluetooth.h" 46 47 #include <stdint.h> 48 #include <stdarg.h> 49 50 #if defined __cplusplus 51 extern "C" { 52 #endif 53 54 /* 55 * @brief Initialize 32.768 kHz timer, usually low power and used by RTC and in deep sleep 56 */ 57 void hal_timer_init(void); 58 59 /* 60 * @brief Set Timer Callback 61 * @param callback 62 */ 63 void hal_timer_set_callback(void (*callback)(void)); 64 65 /** 66 * @brief Get current ticks 67 * @return num_ticks 68 */ 69 uint16_t hal_timer_get_ticks(void); 70 71 /** 72 * @brief Stop Timer 73 */ 74 void hal_timer_stop(void); 75 76 /** 77 * @brief Start Timer and fire at given timeout 78 * @param timeout_ticks timeout in ticks 79 */ 80 void hal_timer_start(uint16_t timeout_ticks); 81 82 #if defined __cplusplus 83 } 84 #endif 85 #endif // HAL_TIMER_H 86