mirror of https://github.com/ARMmbed/mbed-os.git
110 lines
2.8 KiB
C
110 lines
2.8 KiB
C
/* mbed Microcontroller Library
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* Copyright (c) 2016 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may 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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* http://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,
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* WITHOUT 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 _APB_TIMER_DRV_H
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#define _APB_TIMER_DRV_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Supported Number of Timers */
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#define NUM_TIMERS 2
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#define TIMER0 0
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#define TIMER1 1
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/* Default reload */
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#define TIMER_DEFAULT_RELOAD 0xFFFFFFFF
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/*
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* Timer_Initialize(): Initializes an hardware timer
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* timer: timer to be Initialized
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* time_us: timer reload value in us - 0 to reload to timer max value
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* time_us = tick_value / TIMER_TICK_US
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*/
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void Timer_Initialize(uint32_t timer, uint32_t time_us);
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/*
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* Timer_Enable(): Enables an hardware timer
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* timer: timer to be enabled
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*/
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void Timer_Enable(uint32_t timer);
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/*
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* Timer_Disable(): Disables an hardware timer
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* timer: timer to be disabled
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*/
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void Timer_Disable(uint32_t timer);
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/*
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* Timer_isEnabled(): verifies if a timer is enabled
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* timer: timer to be verified
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* @return: 0 disabled - 1 enabled
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*/
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uint32_t Timer_isEnabled(uint32_t timer);
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/*
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* Timer_Read(): provides timer VALUE
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* timer: timer to be read
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* @return: timer VALUE
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*/
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uint32_t Timer_Read(uint32_t timer);
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/*
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* Timer_SetInterrupt(): sets timer Interrupt
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* timer: timer on which interrupt is set
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* time_us: reloading time in us
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*/
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void Timer_SetInterrupt(uint32_t timer, uint32_t time_us);
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/*
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* Timer_DisableInterrupt(): disables timer interrupt
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* timer: timer on which interrupt is disabled
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*/
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void Timer_DisableInterrupt(uint32_t timer);
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/*
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* Timer_ClearInterrupt(): clear timer interrupt
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* timer: timer on which interrupt needs to be cleared
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*/
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void Timer_ClearInterrupt(uint32_t timer);
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/*
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* Timer_GetIRQn(): returns IRQn of a Timer
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* timer: timer on which IRQn is defined - 0 if it is not defined
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*/
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uint32_t Timer_GetIRQn(uint32_t timer);
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/*
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* Timer_GetTicksUS(): returns the number of Ticks per us
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* timer: timer associated with the Ticks per us
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* @return: Ticks per us - 0 if the timer is disables
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*/
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uint32_t Timer_GetTicksUS(uint32_t timer);
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/*
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* Timer_GetReloadValue(): returns the load value of the selected
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* timer.
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* timer: timer associated with the Ticks per us
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* @return: reload value of the selected singletimer
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*/
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uint32_t Timer_GetReloadValue(uint32_t timer);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _APB_TIMER_DRV_H */
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