coarse_timer.h

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/*
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * coarse_timer.h
 * Copyright (C) 2015 Simon Newton
 */

#ifndef FIRMWARE_SRC_COARSE_TIMER_H_
#define FIRMWARE_SRC_COARSE_TIMER_H_

#include <stdbool.h>
#include <stdint.h>

#include "system_config.h"
#include "peripheral/tmr/plib_tmr.h"
#include "system/int/sys_int.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
  TMR_MODULE_ID timer_id;  
  INT_SOURCE interrupt_source;  
} CoarseTimer_Settings;

typedef uint32_t CoarseTimer_Value;

void CoarseTimer_Initialize(const CoarseTimer_Settings *settings);

void CoarseTimer_TimerEvent();

CoarseTimer_Value CoarseTimer_GetTime();

uint32_t CoarseTimer_ElapsedTime(CoarseTimer_Value start_time);

uint32_t CoarseTimer_Delta(CoarseTimer_Value start_time,
                           CoarseTimer_Value end_time);

bool CoarseTimer_HasElapsed(CoarseTimer_Value start_time, uint32_t interval);

void CoarseTimer_SetCounter(uint32_t count);

#ifdef __cplusplus
}
#endif

#endif  // FIRMWARE_SRC_COARSE_TIMER_H_