62 lines
2.4 KiB
C
62 lines
2.4 KiB
C
/*
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* Copyright (c) 2007, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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*/
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/**
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* \file
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* Hardware-dependent function declarations used to
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* support the contiki rtimer module.
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*
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* We use Timer 1 on the cc2431.
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*
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* \author
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* Zach Shelby (Original)
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* George Oikonomou - <oikonomou@users.sourceforge.net>
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* (rtimer-arch implementation for cc2430)
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*/
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#ifndef __RTIMER_ARCH_H__
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#define __RTIMER_ARCH_H__
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#include "contiki-conf.h"
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#include "cc2430_sfr.h"
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/*
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* 32 MHz clock, prescaled down to 500 kHz for all 4 timers in clock_init().
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* Further prescaled factor 32 for T1, thus T1 is 15625 Hz
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*/
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#define RTIMER_ARCH_SECOND (15625U)
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#define rtimer_arch_now() ((rtimer_clock_t)(T1CNTL + (T1CNTH << 8)))
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void cc2430_timer_1_ISR(void) __interrupt(T1_VECTOR);
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#endif /* __RTIMER_ARCH_H__ */
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