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Dependencies:   F7_Ethernet WebSocketClient mbed mcp3008

Fork of Nucleo_F746ZG_Ethernet by Dieter Graef

mbed-rtos/rtos/Semaphore.h@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 #ifndef SEMAPHORE_H
DieterGraef 0:f9b6112278fe 23 #define SEMAPHORE_H
DieterGraef 0:f9b6112278fe 24
DieterGraef 0:f9b6112278fe 25 #include <stdint.h>
DieterGraef 0:f9b6112278fe 26 #include "cmsis_os.h"
DieterGraef 0:f9b6112278fe 27
DieterGraef 0:f9b6112278fe 28 namespace rtos {
DieterGraef 0:f9b6112278fe 29
DieterGraef 0:f9b6112278fe 30 /** The Semaphore class is used to manage and protect access to a set of shared resources. */
DieterGraef 0:f9b6112278fe 31 class Semaphore {
DieterGraef 0:f9b6112278fe 32 public:
DieterGraef 0:f9b6112278fe 33 /** Create and Initialize a Semaphore object used for managing resources.
DieterGraef 0:f9b6112278fe 34 @param number of available resources; maximum index value is (count-1).
DieterGraef 0:f9b6112278fe 35 */
DieterGraef 0:f9b6112278fe 36 Semaphore(int32_t count);
DieterGraef 0:f9b6112278fe 37
DieterGraef 0:f9b6112278fe 38 /** Wait until a Semaphore resource becomes available.
DieterGraef 0:f9b6112278fe 39 @param millisec timeout value or 0 in case of no time-out. (default: osWaitForever).
DieterGraef 0:f9b6112278fe 40 @return number of available tokens, or -1 in case of incorrect parameters
DieterGraef 0:f9b6112278fe 41 */
DieterGraef 0:f9b6112278fe 42 int32_t wait(uint32_t millisec=osWaitForever);
DieterGraef 0:f9b6112278fe 43
DieterGraef 0:f9b6112278fe 44 /** Release a Semaphore resource that was obtain with Semaphore::wait.
DieterGraef 0:f9b6112278fe 45 @return status code that indicates the execution status of the function.
DieterGraef 0:f9b6112278fe 46 */
DieterGraef 0:f9b6112278fe 47 osStatus release(void);
DieterGraef 0:f9b6112278fe 48
DieterGraef 0:f9b6112278fe 49 ~Semaphore();
DieterGraef 0:f9b6112278fe 50
DieterGraef 0:f9b6112278fe 51 private:
DieterGraef 0:f9b6112278fe 52 osSemaphoreId _osSemaphoreId;
DieterGraef 0:f9b6112278fe 53 osSemaphoreDef_t _osSemaphoreDef;
DieterGraef 0:f9b6112278fe 54 #ifdef CMSIS_OS_RTX
DieterGraef 0:f9b6112278fe 55 uint32_t _semaphore_data[2];
DieterGraef 0:f9b6112278fe 56 #endif
DieterGraef 0:f9b6112278fe 57 };
DieterGraef 0:f9b6112278fe 58
DieterGraef 0:f9b6112278fe 59 }
DieterGraef 0:f9b6112278fe 60 #endif