1 /* 2 * Copyright (c) 2023 Juan Manuel Cruz <jcruz@fi.uba.ar> <jcruz@frba.utn.edu.ar>. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 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 * 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 22 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 23 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 25 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 26 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 28 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 29 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 * 32 * 33 * @file : task_system_interface.c 34 * @date : Set 26, 2023 35 * @author : Juan Manuel Cruz <jcruz@fi.uba.ar> <jcruz@frba.utn.edu.ar> 36 * @version v1.0.0 37 */ 38 39 /********************** inclusions *******************************************/ 40 /* Project includes */ 41 #include "main.h" 42 43 /* Demo includes */ 44 #include "logger.h" 45 #include "dwt.h" 46 47 /* Application & Tasks includes */ 48 #include "board.h" 49 #include "app.h" 50 #include "task_system_attribute.h" 51 52 /********************** macros and definitions *******************************/ 53 #define EVENT_UNDEFINED (255) 54 #define MAX_EVENTS (16) 55 56 /********************** internal data declaration ****************************/ 57 58 /********************** internal functions declaration ***********************/ 59 60 /********************** internal data definition *****************************/ 61 struct 62 { 63 uint32_t head; 64 uint32_t tail; 65 uint32_t count; 66 task_system_ev_t queue[MAX_EVENTS]; 67 } queue_task_a; 68 69 /********************** external data declaration ****************************/ 70 71 /********************** external functions definition ************************/ 72 void init_queue_event_task_system(void) 73 { 74 uint32_t i; 75 76 queue_task_a.head = 0; 77 queue_task_a.tail = 0; 78 queue_task_a.count = 0; 79 80 for (i = 0; i < MAX_EVENTS; i++) 81 queue_task_a.queue[i] = EVENT_UNDEFINED; 82 } 83 84 void put_event_task_system(task_system_ev_t event) 85 { 86 queue_task_a.count++; 87 queue_task_a.queue[queue_task_a.head++] = event; 88 89 if (MAX_EVENTS == queue_task_a.head) 90 queue_task_a.head = 0; 91 } 92 93 task_system_ev_t get_event_task_system(void) 94 { 95 task_system_ev_t event; 96 97 queue_task_a.count--; 98 event = queue_task_a.queue[queue_task_a.tail]; 99 queue_task_a.queue[queue_task_a.tail++] = EVENT_UNDEFINED; 100 101 if (MAX_EVENTS == queue_task_a.tail) 102 queue_task_a.tail = 0; 103 104 return event; 105 } 106 107 bool any_event_task_system(void) 108 { 109 return (queue_task_a.head != queue_task_a.tail); 110 } 111 112 /********************** end of file ******************************************/
