teste de publish
Dependencies: DS1820 HighSpeedAnalogIn devices mbed
mbed-rtos/rtos/Mutex.h@0:1c0a769988ee, 2017-03-24 (annotated)
- Committer:
- brunofgc
- Date:
- Fri Mar 24 15:54:41 2017 +0000
- Revision:
- 0:1c0a769988ee
Saidas digitais com pwm ok, entradas analogicas ok
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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brunofgc | 0:1c0a769988ee | 1 | /* mbed Microcontroller Library |
brunofgc | 0:1c0a769988ee | 2 | * Copyright (c) 2006-2012 ARM Limited |
brunofgc | 0:1c0a769988ee | 3 | * |
brunofgc | 0:1c0a769988ee | 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
brunofgc | 0:1c0a769988ee | 5 | * of this software and associated documentation files (the "Software"), to deal |
brunofgc | 0:1c0a769988ee | 6 | * in the Software without restriction, including without limitation the rights |
brunofgc | 0:1c0a769988ee | 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
brunofgc | 0:1c0a769988ee | 8 | * copies of the Software, and to permit persons to whom the Software is |
brunofgc | 0:1c0a769988ee | 9 | * furnished to do so, subject to the following conditions: |
brunofgc | 0:1c0a769988ee | 10 | * |
brunofgc | 0:1c0a769988ee | 11 | * The above copyright notice and this permission notice shall be included in |
brunofgc | 0:1c0a769988ee | 12 | * all copies or substantial portions of the Software. |
brunofgc | 0:1c0a769988ee | 13 | * |
brunofgc | 0:1c0a769988ee | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
brunofgc | 0:1c0a769988ee | 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
brunofgc | 0:1c0a769988ee | 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
brunofgc | 0:1c0a769988ee | 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
brunofgc | 0:1c0a769988ee | 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
brunofgc | 0:1c0a769988ee | 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
brunofgc | 0:1c0a769988ee | 20 | * SOFTWARE. |
brunofgc | 0:1c0a769988ee | 21 | */ |
brunofgc | 0:1c0a769988ee | 22 | #ifndef MUTEX_H |
brunofgc | 0:1c0a769988ee | 23 | #define MUTEX_H |
brunofgc | 0:1c0a769988ee | 24 | |
brunofgc | 0:1c0a769988ee | 25 | #include <stdint.h> |
brunofgc | 0:1c0a769988ee | 26 | #include "cmsis_os.h" |
brunofgc | 0:1c0a769988ee | 27 | |
brunofgc | 0:1c0a769988ee | 28 | namespace rtos { |
brunofgc | 0:1c0a769988ee | 29 | |
brunofgc | 0:1c0a769988ee | 30 | /** The Mutex class is used to synchronise the execution of threads. |
brunofgc | 0:1c0a769988ee | 31 | This is for example used to protect access to a shared resource. |
brunofgc | 0:1c0a769988ee | 32 | */ |
brunofgc | 0:1c0a769988ee | 33 | class Mutex { |
brunofgc | 0:1c0a769988ee | 34 | public: |
brunofgc | 0:1c0a769988ee | 35 | /** Create and Initialize a Mutex object */ |
brunofgc | 0:1c0a769988ee | 36 | Mutex(); |
brunofgc | 0:1c0a769988ee | 37 | |
brunofgc | 0:1c0a769988ee | 38 | /** Wait until a Mutex becomes available. |
brunofgc | 0:1c0a769988ee | 39 | @param millisec timeout value or 0 in case of no time-out. (default: osWaitForever) |
brunofgc | 0:1c0a769988ee | 40 | @return status code that indicates the execution status of the function. |
brunofgc | 0:1c0a769988ee | 41 | */ |
brunofgc | 0:1c0a769988ee | 42 | osStatus lock(uint32_t millisec=osWaitForever); |
brunofgc | 0:1c0a769988ee | 43 | |
brunofgc | 0:1c0a769988ee | 44 | /** Try to lock the mutex, and return immediately |
brunofgc | 0:1c0a769988ee | 45 | @return true if the mutex was acquired, false otherwise. |
brunofgc | 0:1c0a769988ee | 46 | */ |
brunofgc | 0:1c0a769988ee | 47 | bool trylock(); |
brunofgc | 0:1c0a769988ee | 48 | |
brunofgc | 0:1c0a769988ee | 49 | /** Unlock the mutex that has previously been locked by the same thread |
brunofgc | 0:1c0a769988ee | 50 | @return status code that indicates the execution status of the function. |
brunofgc | 0:1c0a769988ee | 51 | */ |
brunofgc | 0:1c0a769988ee | 52 | osStatus unlock(); |
brunofgc | 0:1c0a769988ee | 53 | |
brunofgc | 0:1c0a769988ee | 54 | ~Mutex(); |
brunofgc | 0:1c0a769988ee | 55 | |
brunofgc | 0:1c0a769988ee | 56 | private: |
brunofgc | 0:1c0a769988ee | 57 | osMutexId _osMutexId; |
brunofgc | 0:1c0a769988ee | 58 | osMutexDef_t _osMutexDef; |
brunofgc | 0:1c0a769988ee | 59 | #ifdef CMSIS_OS_RTX |
brunofgc | 0:1c0a769988ee | 60 | int32_t _mutex_data[3]; |
brunofgc | 0:1c0a769988ee | 61 | #endif |
brunofgc | 0:1c0a769988ee | 62 | }; |
brunofgc | 0:1c0a769988ee | 63 | |
brunofgc | 0:1c0a769988ee | 64 | } |
brunofgc | 0:1c0a769988ee | 65 | #endif |