lpc_timers.h

Go to the documentation of this file.

/*
 *     SocialLedge.com - Copyright (C) 2013
 *
 *     This file is part of free software framework for embedded processors.
 *     You can use it and/or distribute it as long as this copyright header
 *     remains unmodified.  The code is free for personal use and requires
 *     permission to use in a commercial product.
 *
 *      THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
 *      OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
 *      MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
 *      I SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
 *      CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
 *
 *     You can reach the author of this software at :
 *          p r e e t . w i k i @ g m a i l . c o m
 */

#ifndef LPC_TIMERS_H__
#define LPC_TIMERS_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include "LPC17xx.h"



typedef enum {
    lpc_timer0,
    lpc_timer1,
    lpc_timer2,
    lpc_timer3,
} lpc_timer_t;

static inline LPC_TIM_TypeDef* lpc_timer_get_struct(const lpc_timer_t timer)
{
    const uint32_t timer_mem_bases[] = { LPC_TIM0_BASE, LPC_TIM1_BASE, LPC_TIM2_BASE, LPC_TIM3_BASE };
    return (LPC_TIM_TypeDef*) timer_mem_bases[timer];
}

static inline IRQn_Type lpc_timer_get_irq_num(const lpc_timer_t timer)
{
    const IRQn_Type irqs[] = { TIMER0_IRQn, TIMER1_IRQn, TIMER2_IRQn, TIMER3_IRQn };
    return irqs[timer];
}

void lpc_timer_enable(const lpc_timer_t timer, const uint32_t us_per_tick);

uint32_t lpc_timer_get_value(const lpc_timer_t timer);

void lpc_timer_set_value(const lpc_timer_t timer, const uint32_t value);



#ifdef __cplusplus
}
#endif
#endif /* LPC_TIMERS_H__ */