taiyou komazawa / Mbed 2 deprecated Nucleo_F746ZG_Ethernet

mbed-cliのインポート用

Dependencies:   F7_Ethernet mbed

Fork of Nucleo_F746ZG_Ethernet by Dieter Graef

mbed-rtos/rtos/Mutex.cpp@0:f9b6112278fe, 2016-06-18 (annotated)

Committer:
DieterGraef
Date:
Sat Jun 18 10:49:12 2016 +0000
Revision:
0:f9b6112278fe
Ethernet for the NUCLEO STM32F746 Board Testprogram uses DHCP and NTP to set the clock

Who changed what in which revision?

UserRevisionLine numberNew contents of line
DieterGraef 0:f9b6112278fe 1 /* mbed Microcontroller Library
DieterGraef 0:f9b6112278fe 2 * Copyright (c) 2006-2012 ARM Limited
DieterGraef 0:f9b6112278fe 3 *
DieterGraef 0:f9b6112278fe 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
DieterGraef 0:f9b6112278fe 5 * of this software and associated documentation files (the "Software"), to deal
DieterGraef 0:f9b6112278fe 6 * in the Software without restriction, including without limitation the rights
DieterGraef 0:f9b6112278fe 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
DieterGraef 0:f9b6112278fe 8 * copies of the Software, and to permit persons to whom the Software is
DieterGraef 0:f9b6112278fe 9 * furnished to do so, subject to the following conditions:
DieterGraef 0:f9b6112278fe 10 *
DieterGraef 0:f9b6112278fe 11 * The above copyright notice and this permission notice shall be included in
DieterGraef 0:f9b6112278fe 12 * all copies or substantial portions of the Software.
DieterGraef 0:f9b6112278fe 13 *
DieterGraef 0:f9b6112278fe 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
DieterGraef 0:f9b6112278fe 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
DieterGraef 0:f9b6112278fe 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
DieterGraef 0:f9b6112278fe 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
DieterGraef 0:f9b6112278fe 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
DieterGraef 0:f9b6112278fe 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
DieterGraef 0:f9b6112278fe 20 * SOFTWARE.
DieterGraef 0:f9b6112278fe 21 */
DieterGraef 0:f9b6112278fe 22 #include "Mutex.h"
DieterGraef 0:f9b6112278fe 23
DieterGraef 0:f9b6112278fe 24 #include <string.h>
DieterGraef 0:f9b6112278fe 25 #include "mbed_error.h"
DieterGraef 0:f9b6112278fe 26
DieterGraef 0:f9b6112278fe 27 namespace rtos {
DieterGraef 0:f9b6112278fe 28
DieterGraef 0:f9b6112278fe 29 Mutex::Mutex() {
DieterGraef 0:f9b6112278fe 30 #ifdef CMSIS_OS_RTX
DieterGraef 0:f9b6112278fe 31 memset(_mutex_data, 0, sizeof(_mutex_data));
DieterGraef 0:f9b6112278fe 32 _osMutexDef.mutex = _mutex_data;
DieterGraef 0:f9b6112278fe 33 #endif
DieterGraef 0:f9b6112278fe 34 _osMutexId = osMutexCreate(&_osMutexDef);
DieterGraef 0:f9b6112278fe 35 if (_osMutexId == NULL) {
DieterGraef 0:f9b6112278fe 36 error("Error initializing the mutex object\n");
DieterGraef 0:f9b6112278fe 37 }
DieterGraef 0:f9b6112278fe 38 }
DieterGraef 0:f9b6112278fe 39
DieterGraef 0:f9b6112278fe 40 osStatus Mutex::lock(uint32_t millisec) {
DieterGraef 0:f9b6112278fe 41 return osMutexWait(_osMutexId, millisec);
DieterGraef 0:f9b6112278fe 42 }
DieterGraef 0:f9b6112278fe 43
DieterGraef 0:f9b6112278fe 44 bool Mutex::trylock() {
DieterGraef 0:f9b6112278fe 45 return (osMutexWait(_osMutexId, 0) == osOK);
DieterGraef 0:f9b6112278fe 46 }
DieterGraef 0:f9b6112278fe 47
DieterGraef 0:f9b6112278fe 48 osStatus Mutex::unlock() {
DieterGraef 0:f9b6112278fe 49 return osMutexRelease(_osMutexId);
DieterGraef 0:f9b6112278fe 50 }
DieterGraef 0:f9b6112278fe 51
DieterGraef 0:f9b6112278fe 52 Mutex::~Mutex() {
DieterGraef 0:f9b6112278fe 53 osMutexDelete(_osMutexId);
DieterGraef 0:f9b6112278fe 54 }
DieterGraef 0:f9b6112278fe 55
DieterGraef 0:f9b6112278fe 56 }