/* ---------------------------------------------------------------------------- */ /* Atmel Microcontroller Software Support */ /* SAM Software Package License */ /* ---------------------------------------------------------------------------- */ /* Copyright (c) 2015, Atmel Corporation */ /* */ /* All rights reserved. */ /* */ /* Redistribution and use in source and binary forms, with or without */ /* modification, are permitted provided that the following condition is met: */ /* */ /* - Redistributions of source code must retain the above copyright notice, */ /* this list of conditions and the disclaimer below. */ /* */ /* Atmel's name may not be used to endorse or promote products derived from */ /* this software without specific prior written permission. */ /* */ /* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ /* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ /* DISCLAIMED. IN NO EVENT SHALL ATMEL 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 * * \par Purpose * * Methods and definitions for Global time tick and wait functions. * * Defines a common and simplest use of Time Tick, to increase tickCount * every 1ms, the application can get this value through GetTickCount(). * * \par Usage * * -# Configure the System Tick with TimeTick_Configure() when MCK changed * \note * Must be done before any invoke of GetTickCount(), Wait() or Sleep(). * -# Uses GetTickCount to get current tick value. * -# Uses Wait to wait several ms. * -# Uses Sleep to enter wait for interrupt mode to wait several ms. * */ #ifndef _TIMETICK_ #define _TIMETICK_ /*---------------------------------------------------------------------------- * Headers *----------------------------------------------------------------------------*/ #include /*---------------------------------------------------------------------------- * Definitions *----------------------------------------------------------------------------*/ typedef struct { volatile uint32_t *pTimer1; volatile uint32_t *pTimer2; volatile uint32_t *pTimer3; volatile uint32_t *pTimer4; } SyTickDelayCounter_t; /*---------------------------------------------------------------------------- * Definitions *----------------------------------------------------------------------------*/ typedef struct _TimeEvent { uint32_t event; uint32_t time_tick; uint32_t time_start; uint32_t occur; struct _TimeEvent *pPreEvent; struct _TimeEvent *pNextEvent; } TimeEvent; /*---------------------------------------------------------------------------- * Global functions *----------------------------------------------------------------------------*/ uint32_t TimeTick_Configure(void); void TimeTick_Increment(uint32_t dwInc); uint32_t GetDelayInTicks(uint32_t startTick, uint32_t endTick); uint32_t GetTicks(void); void Wait(volatile uint32_t dwMs); void Sleep(volatile uint32_t dwMs); extern void SetTimeEvent(TimeEvent *pEvent); #endif /* _TIMETICK_ */