Marco Mayer / Mbed OS Queue

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mbed-os/rtos/EventFlags.cpp@0:6bf0743ece18, 2020-03-28 (annotated)

Committer:
demayer
Date:
Sat Mar 28 15:28:19 2020 +0000
Revision:
0:6bf0743ece18
IMU Thread with an event-queue running parallel to handle tasks like a 5 times blinking LED. Button with interrupt detected.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
demayer 0:6bf0743ece18 1 /* mbed Microcontroller Library
demayer 0:6bf0743ece18 2 * Copyright (c) 2006-2017 ARM Limited
demayer 0:6bf0743ece18 3 *
demayer 0:6bf0743ece18 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
demayer 0:6bf0743ece18 5 * of this software and associated documentation files (the "Software"), to deal
demayer 0:6bf0743ece18 6 * in the Software without restriction, including without limitation the rights
demayer 0:6bf0743ece18 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
demayer 0:6bf0743ece18 8 * copies of the Software, and to permit persons to whom the Software is
demayer 0:6bf0743ece18 9 * furnished to do so, subject to the following conditions:
demayer 0:6bf0743ece18 10 *
demayer 0:6bf0743ece18 11 * The above copyright notice and this permission notice shall be included in
demayer 0:6bf0743ece18 12 * all copies or substantial portions of the Software.
demayer 0:6bf0743ece18 13 *
demayer 0:6bf0743ece18 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
demayer 0:6bf0743ece18 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
demayer 0:6bf0743ece18 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
demayer 0:6bf0743ece18 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
demayer 0:6bf0743ece18 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
demayer 0:6bf0743ece18 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
demayer 0:6bf0743ece18 20 * SOFTWARE.
demayer 0:6bf0743ece18 21 */
demayer 0:6bf0743ece18 22 #include "rtos/EventFlags.h"
demayer 0:6bf0743ece18 23 #include <string.h>
demayer 0:6bf0743ece18 24 #include "mbed_error.h"
demayer 0:6bf0743ece18 25 #include "mbed_assert.h"
demayer 0:6bf0743ece18 26
demayer 0:6bf0743ece18 27 namespace rtos {
demayer 0:6bf0743ece18 28
demayer 0:6bf0743ece18 29 EventFlags::EventFlags()
demayer 0:6bf0743ece18 30 {
demayer 0:6bf0743ece18 31 constructor();
demayer 0:6bf0743ece18 32 }
demayer 0:6bf0743ece18 33
demayer 0:6bf0743ece18 34 EventFlags::EventFlags(const char *name)
demayer 0:6bf0743ece18 35 {
demayer 0:6bf0743ece18 36 constructor(name);
demayer 0:6bf0743ece18 37 }
demayer 0:6bf0743ece18 38
demayer 0:6bf0743ece18 39 void EventFlags::constructor(const char *name)
demayer 0:6bf0743ece18 40 {
demayer 0:6bf0743ece18 41 memset(&_obj_mem, 0, sizeof(_obj_mem));
demayer 0:6bf0743ece18 42 osEventFlagsAttr_t attr;
demayer 0:6bf0743ece18 43 attr.name = name ? name : "application_unnamed_event_flags";
demayer 0:6bf0743ece18 44 attr.cb_mem = &_obj_mem;
demayer 0:6bf0743ece18 45 attr.cb_size = sizeof(_obj_mem);
demayer 0:6bf0743ece18 46 _id = osEventFlagsNew(&attr);
demayer 0:6bf0743ece18 47 MBED_ASSERT(_id);
demayer 0:6bf0743ece18 48 }
demayer 0:6bf0743ece18 49
demayer 0:6bf0743ece18 50 uint32_t EventFlags::set(uint32_t flags)
demayer 0:6bf0743ece18 51 {
demayer 0:6bf0743ece18 52 return osEventFlagsSet(_id, flags);
demayer 0:6bf0743ece18 53 }
demayer 0:6bf0743ece18 54
demayer 0:6bf0743ece18 55 uint32_t EventFlags::clear(uint32_t flags)
demayer 0:6bf0743ece18 56 {
demayer 0:6bf0743ece18 57 return osEventFlagsClear(_id, flags);
demayer 0:6bf0743ece18 58 }
demayer 0:6bf0743ece18 59
demayer 0:6bf0743ece18 60 uint32_t EventFlags::get() const
demayer 0:6bf0743ece18 61 {
demayer 0:6bf0743ece18 62 return osEventFlagsGet(_id);
demayer 0:6bf0743ece18 63 }
demayer 0:6bf0743ece18 64
demayer 0:6bf0743ece18 65 uint32_t EventFlags::wait_all(uint32_t flags, uint32_t timeout, bool clear)
demayer 0:6bf0743ece18 66 {
demayer 0:6bf0743ece18 67 return wait(flags, osFlagsWaitAll, timeout, clear);
demayer 0:6bf0743ece18 68 }
demayer 0:6bf0743ece18 69
demayer 0:6bf0743ece18 70 uint32_t EventFlags::wait_any(uint32_t flags, uint32_t timeout, bool clear)
demayer 0:6bf0743ece18 71 {
demayer 0:6bf0743ece18 72 return wait(flags, osFlagsWaitAny, timeout, clear);
demayer 0:6bf0743ece18 73 }
demayer 0:6bf0743ece18 74
demayer 0:6bf0743ece18 75 EventFlags::~EventFlags()
demayer 0:6bf0743ece18 76 {
demayer 0:6bf0743ece18 77 osEventFlagsDelete(_id);
demayer 0:6bf0743ece18 78 }
demayer 0:6bf0743ece18 79
demayer 0:6bf0743ece18 80 uint32_t EventFlags::wait(uint32_t flags, uint32_t opt, uint32_t timeout, bool clear)
demayer 0:6bf0743ece18 81 {
demayer 0:6bf0743ece18 82 if (clear == false) {
demayer 0:6bf0743ece18 83 opt |= osFlagsNoClear;
demayer 0:6bf0743ece18 84 }
demayer 0:6bf0743ece18 85
demayer 0:6bf0743ece18 86 return osEventFlagsWait(_id, flags, opt, timeout);
demayer 0:6bf0743ece18 87 }
demayer 0:6bf0743ece18 88
demayer 0:6bf0743ece18 89 }