added prescaler for 16 bit pwm in LPC1347 target
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Diff: targets/cmsis/TARGET_ARM_SSG/TARGET_BEETLE/apb_timer.h
- Revision:
- 144:ef7eb2e8f9f7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/cmsis/TARGET_ARM_SSG/TARGET_BEETLE/apb_timer.h Fri Sep 02 15:07:44 2016 +0100 @@ -0,0 +1,109 @@ +/* mbed Microcontroller Library + * Copyright (c) 2016 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef _APB_TIMER_DRV_H +#define _APB_TIMER_DRV_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Supported Number of Timers */ +#define NUM_TIMERS 2 +#define TIMER0 0 +#define TIMER1 1 + +/* Default reload */ +#define TIMER_DEFAULT_RELOAD 0xFFFFFFFF + +/* + * Timer_Initialize(): Initializes an hardware timer + * timer: timer to be Initialized + * time_us: timer reload value in us - 0 to reload to timer max value + * time_us = tick_value / TIMER_TICK_US + */ +void Timer_Initialize(uint32_t timer, uint32_t time_us); + +/* + * Timer_Enable(): Enables an hardware timer + * timer: timer to be enabled + */ +void Timer_Enable(uint32_t timer); + +/* + * Timer_Disable(): Disables an hardware timer + * timer: timer to be disabled + */ +void Timer_Disable(uint32_t timer); + +/* + * Timer_isEnabled(): verifies if a timer is enabled + * timer: timer to be verified + * @return: 0 disabled - 1 enabled + */ +uint32_t Timer_isEnabled(uint32_t timer); + +/* + * Timer_Read(): provides timer VALUE + * timer: timer to be read + * @return: timer VALUE + */ +uint32_t Timer_Read(uint32_t timer); + +/* + * Timer_SetInterrupt(): sets timer Interrupt + * timer: timer on which interrupt is set + * time_us: reloading time in us + */ +void Timer_SetInterrupt(uint32_t timer, uint32_t time_us); + +/* + * Timer_DisableInterrupt(): disables timer interrupt + * timer: timer on which interrupt is disabled + */ +void Timer_DisableInterrupt(uint32_t timer); + +/* + * Timer_ClearInterrupt(): clear timer interrupt + * timer: timer on which interrupt needs to be cleared + */ +void Timer_ClearInterrupt(uint32_t timer); + +/* + * Timer_GetIRQn(): returns IRQn of a Timer + * timer: timer on which IRQn is defined - 0 if it is not defined + */ +uint32_t Timer_GetIRQn(uint32_t timer); + +/* + * Timer_GetTicksUS(): returns the number of Ticks per us + * timer: timer associated with the Ticks per us + * @return: Ticks per us - 0 if the timer is disables + */ +uint32_t Timer_GetTicksUS(uint32_t timer); + +/* + * Timer_GetReloadValue(): returns the load value of the selected + * timer. + * timer: timer associated with the Ticks per us + * @return: reload value of the selected singletimer + */ +uint32_t Timer_GetReloadValue(uint32_t timer); + +#ifdef __cplusplus +} +#endif +#endif /* _APB_TIMER_DRV_H */