Dieter Graef / Mbed 2 deprecated DISCO-F746NG_USB_Host

Sample program for the USB Host lib with HID

Dependencies:   USBHost_DISCO-F746NG mbed

mbed-rtos/rtos/Semaphore.h@0:af2040964256, 2016-06-13 (annotated)

Committer:
DieterGraef
Date:
Mon Jun 13 17:22:08 2016 +0000
Revision:
0:af2040964256
USB Host for STM32F746 Discovery. At the moment only either the fast or the high speed port can be used

Who changed what in which revision?

UserRevisionLine numberNew contents of line
DieterGraef 0:af2040964256 1 /* mbed Microcontroller Library
DieterGraef 0:af2040964256 2 * Copyright (c) 2006-2012 ARM Limited
DieterGraef 0:af2040964256 3 *
DieterGraef 0:af2040964256 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
DieterGraef 0:af2040964256 5 * of this software and associated documentation files (the "Software"), to deal
DieterGraef 0:af2040964256 6 * in the Software without restriction, including without limitation the rights
DieterGraef 0:af2040964256 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
DieterGraef 0:af2040964256 8 * copies of the Software, and to permit persons to whom the Software is
DieterGraef 0:af2040964256 9 * furnished to do so, subject to the following conditions:
DieterGraef 0:af2040964256 10 *
DieterGraef 0:af2040964256 11 * The above copyright notice and this permission notice shall be included in
DieterGraef 0:af2040964256 12 * all copies or substantial portions of the Software.
DieterGraef 0:af2040964256 13 *
DieterGraef 0:af2040964256 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
DieterGraef 0:af2040964256 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
DieterGraef 0:af2040964256 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
DieterGraef 0:af2040964256 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
DieterGraef 0:af2040964256 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
DieterGraef 0:af2040964256 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
DieterGraef 0:af2040964256 20 * SOFTWARE.
DieterGraef 0:af2040964256 21 */
DieterGraef 0:af2040964256 22 #ifndef SEMAPHORE_H
DieterGraef 0:af2040964256 23 #define SEMAPHORE_H
DieterGraef 0:af2040964256 24
DieterGraef 0:af2040964256 25 #include <stdint.h>
DieterGraef 0:af2040964256 26 #include "cmsis_os.h"
DieterGraef 0:af2040964256 27
DieterGraef 0:af2040964256 28 namespace rtos {
DieterGraef 0:af2040964256 29
DieterGraef 0:af2040964256 30 /** The Semaphore class is used to manage and protect access to a set of shared resources. */
DieterGraef 0:af2040964256 31 class Semaphore {
DieterGraef 0:af2040964256 32 public:
DieterGraef 0:af2040964256 33 /** Create and Initialize a Semaphore object used for managing resources.
DieterGraef 0:af2040964256 34 @param number of available resources; maximum index value is (count-1).
DieterGraef 0:af2040964256 35 */
DieterGraef 0:af2040964256 36 Semaphore(int32_t count);
DieterGraef 0:af2040964256 37
DieterGraef 0:af2040964256 38 /** Wait until a Semaphore resource becomes available.
DieterGraef 0:af2040964256 39 @param millisec timeout value or 0 in case of no time-out. (default: osWaitForever).
DieterGraef 0:af2040964256 40 @return number of available tokens, or -1 in case of incorrect parameters
DieterGraef 0:af2040964256 41 */
DieterGraef 0:af2040964256 42 int32_t wait(uint32_t millisec=osWaitForever);
DieterGraef 0:af2040964256 43
DieterGraef 0:af2040964256 44 /** Release a Semaphore resource that was obtain with Semaphore::wait.
DieterGraef 0:af2040964256 45 @return status code that indicates the execution status of the function.
DieterGraef 0:af2040964256 46 */
DieterGraef 0:af2040964256 47 osStatus release(void);
DieterGraef 0:af2040964256 48
DieterGraef 0:af2040964256 49 ~Semaphore();
DieterGraef 0:af2040964256 50
DieterGraef 0:af2040964256 51 private:
DieterGraef 0:af2040964256 52 osSemaphoreId _osSemaphoreId;
DieterGraef 0:af2040964256 53 osSemaphoreDef_t _osSemaphoreDef;
DieterGraef 0:af2040964256 54 #ifdef CMSIS_OS_RTX
DieterGraef 0:af2040964256 55 uint32_t _semaphore_data[2];
DieterGraef 0:af2040964256 56 #endif
DieterGraef 0:af2040964256 57 };
DieterGraef 0:af2040964256 58
DieterGraef 0:af2040964256 59 }
DieterGraef 0:af2040964256 60 #endif