71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
/**************************************************************************//**
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* @file os_tick.h
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* @brief CMSIS OS Tick header file
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* @version V1.0.1
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* @date 24. November 2017
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******************************************************************************/
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/*
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* Copyright (c) 2017-2017 ARM Limited. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef OS_TICK_H
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#define OS_TICK_H
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#include <stdint.h>
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/// IRQ Handler.
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#ifndef IRQHANDLER_T
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#define IRQHANDLER_T
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typedef void (*IRQHandler_t) (void);
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#endif
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/// Setup OS Tick timer to generate periodic RTOS Kernel Ticks
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/// \param[in] freq tick frequency in Hz
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/// \param[in] handler tick IRQ handler
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/// \return 0 on success, -1 on error.
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int32_t OS_Tick_Setup (uint32_t freq, IRQHandler_t handler);
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/// Enable OS Tick timer interrupt
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void OS_Tick_Enable (void);
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/// Disable OS Tick timer interrupt
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void OS_Tick_Disable (void);
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/// Acknowledge execution of OS Tick timer interrupt
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void OS_Tick_AcknowledgeIRQ (void);
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/// Get OS Tick timer IRQ number
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/// \return OS Tick IRQ number
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int32_t OS_Tick_GetIRQn (void);
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/// Get OS Tick timer clock frequency
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/// \return OS Tick timer clock frequency in Hz
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uint32_t OS_Tick_GetClock (void);
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/// Get OS Tick timer interval reload value
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/// \return OS Tick timer interval reload value
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uint32_t OS_Tick_GetInterval (void);
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/// Get OS Tick timer counter value
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/// \return OS Tick timer counter value
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uint32_t OS_Tick_GetCount (void);
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/// Get OS Tick timer overflow status
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/// \return OS Tick overflow status (1 - overflow, 0 - no overflow).
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uint32_t OS_Tick_GetOverflow (void);
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#endif /* OS_TICK_H */
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