Denislam Valeev / Mbed OS Nucleo_rtos_basic

1

mbed-os/rtos/Kernel.h@0:e056ac8fecf8, 2018-03-13 (annotated)

Committer:
valeyev
Date:
Tue Mar 13 07:17:50 2018 +0000
Revision:
0:e056ac8fecf8
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valeyev 0:e056ac8fecf8 1 /* mbed Microcontroller Library
valeyev 0:e056ac8fecf8 2 * Copyright (c) 2017 ARM Limited
valeyev 0:e056ac8fecf8 3 *
valeyev 0:e056ac8fecf8 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
valeyev 0:e056ac8fecf8 5 * of this software and associated documentation files (the "Software"), to deal
valeyev 0:e056ac8fecf8 6 * in the Software without restriction, including without limitation the rights
valeyev 0:e056ac8fecf8 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
valeyev 0:e056ac8fecf8 8 * copies of the Software, and to permit persons to whom the Software is
valeyev 0:e056ac8fecf8 9 * furnished to do so, subject to the following conditions:
valeyev 0:e056ac8fecf8 10 *
valeyev 0:e056ac8fecf8 11 * The above copyright notice and this permission notice shall be included in
valeyev 0:e056ac8fecf8 12 * all copies or substantial portions of the Software.
valeyev 0:e056ac8fecf8 13 *
valeyev 0:e056ac8fecf8 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
valeyev 0:e056ac8fecf8 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
valeyev 0:e056ac8fecf8 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
valeyev 0:e056ac8fecf8 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
valeyev 0:e056ac8fecf8 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
valeyev 0:e056ac8fecf8 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
valeyev 0:e056ac8fecf8 20 * SOFTWARE.
valeyev 0:e056ac8fecf8 21 */
valeyev 0:e056ac8fecf8 22 #ifndef KERNEL_H
valeyev 0:e056ac8fecf8 23 #define KERNEL_H
valeyev 0:e056ac8fecf8 24
valeyev 0:e056ac8fecf8 25 #include <stdint.h>
valeyev 0:e056ac8fecf8 26
valeyev 0:e056ac8fecf8 27 namespace rtos {
valeyev 0:e056ac8fecf8 28 /** \addtogroup rtos */
valeyev 0:e056ac8fecf8 29 /** @{*/
valeyev 0:e056ac8fecf8 30
valeyev 0:e056ac8fecf8 31 /** Functions in the Kernel namespace control RTOS kernel information. */
valeyev 0:e056ac8fecf8 32 namespace Kernel {
valeyev 0:e056ac8fecf8 33
valeyev 0:e056ac8fecf8 34 /** Read the current RTOS kernel millisecond tick count.
valeyev 0:e056ac8fecf8 35 The tick count corresponds to the tick count used by the RTOS for timing
valeyev 0:e056ac8fecf8 36 purposes. It increments monotonically from 0 at boot, hence effectively
valeyev 0:e056ac8fecf8 37 never wraps. If the underlying RTOS only provides a 32-bit tick count,
valeyev 0:e056ac8fecf8 38 this method expands it to 64 bits.
valeyev 0:e056ac8fecf8 39 @return RTOS kernel current tick count
valeyev 0:e056ac8fecf8 40 @note mbed OS always uses millisecond RTOS ticks, and this could only wrap
valeyev 0:e056ac8fecf8 41 after half a billion years
valeyev 0:e056ac8fecf8 42 @note You cannot call this function from ISR context.
valeyev 0:e056ac8fecf8 43 */
valeyev 0:e056ac8fecf8 44 uint64_t get_ms_count();
valeyev 0:e056ac8fecf8 45
valeyev 0:e056ac8fecf8 46 } // namespace Kernel
valeyev 0:e056ac8fecf8 47
valeyev 0:e056ac8fecf8 48 } // namespace rtos
valeyev 0:e056ac8fecf8 49 #endif
valeyev 0:e056ac8fecf8 50
valeyev 0:e056ac8fecf8 51 /** @}*/