microseconds.h
/*
* Copyright (c) 2013, Freescale Semiconductor, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* @file microseconds.h
* @brief Microseconds timer driver based on PIT(Periodic Interrupt Timer)
*
* Notes:
*/
#ifndef ___MICROSECONDS_H__
#define ___MICROSECONDS_H__
#include <stdio.h>
#include "fsl_device_registers.h"
// Prototypes
#if defined(__cplusplus)
extern "C" {
#endif // __cplusplus
/********************************************************************/
void microseconds_init(void);
void microseconds_shutdown(void);
uint64_t microseconds_get_ticks(void);
// value for speed critical scenarios
uint32_t microseconds_convert_to_microseconds(uint32_t ticks);
uint64_t microseconds_convert_to_ticks(uint32_t microseconds);
void microseconds_delay(uint32_t us);
uint32_t microseconds_get_clock(void);
#if defined(__cplusplus)
}
#endif // __cplusplus
#endif /* ___MICROSECONDS_H__ */
// EOF