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144 lines
4.7 KiB
C
144 lines
4.7 KiB
C
/*
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* Contiki PIC32 Port project
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*
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* Copyright (c) 2012,
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* Scuola Superiore Sant'Anna (http://www.sssup.it) and
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* Consorzio Nazionale Interuniversitario per le Telecomunicazioni
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* (http://www.cnit.it).
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*
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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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*/
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/**
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* \addtogroup pic32 PIC32 Contiki Port
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*
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* @{
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*/
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/**
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* \file pic32_timer.h
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* \brief TIMER interface for PIC32MX (pic32mx795f512l)
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* \author Giovanni Pellerano <giovanni.pellerano@evilaliv3.org>
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* \date 2012-03-26
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*/
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/*
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* PIC32MX795F512L - Specific Functions
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*
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* All the functions in this part of the file are specific for the
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* pic32mx795f512l that is characterized by registers' name that differ from
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* the 3xx and 4xx families of the pic32mx.
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*/
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#ifndef INCLUDE_PIC32_TIMER_H_
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#define INCLUDE_PIC32_TIMER_H_
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#ifdef __USE_TIMER__
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#include <pic32_irq.h>
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#include <p32xxxx.h>
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#include <stdint.h>
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#define TIMER_NO_ERRORS 0
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#define TIMER_ERR_BAD_ARGS 1
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#define TIMER_A_PRESCALE_1 0b00
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#define TIMER_A_PRESCALE_8 0b01
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#define TIMER_A_PRESCALE_64 0b10
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#define TIMER_A_PRESCALE_256 0b11
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#define TIMER_B_PRESCALE_1 0b000
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#define TIMER_B_PRESCALE_2 0b001
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#define TIMER_B_PRESCALE_4 0b010
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#define TIMER_B_PRESCALE_8 0b011
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#define TIMER_B_PRESCALE_16 0b100
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#define TIMER_B_PRESCALE_32 0b101
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#define TIMER_B_PRESCALE_64 0b110
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#define TIMER_B_PRESCALE_256 0b111
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#define TIMERN_16_DEF(X) \
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uint8_t pic32_timer##X##_init(uint32_t frequency); \
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void pic32_timer##X##_enable_irq(void); \
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void pic32_timer##X##_disable_irq(void); \
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void pic32_timer##X##_start(void); \
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void pic32_timer##X##_stop(void); \
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uint16_t pic32_timer##X##_get_val(void);
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#define TIMERN_32_DEF(XY) \
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uint8_t pic32_timer##XY##_init(uint32_t frequency);\
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void pic32_timer##XY##_enable_irq(void); \
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void pic32_timer##XY##_disable_irq(void); \
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void pic32_timer##XY##_start(void); \
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void pic32_timer##XY##_stop(void); \
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uint32_t pic32_timer##XY##_get_val(void);
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#define TIMER_INTERRUPT(XX, CALLBACK) \
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TIMER_ISR(_TIMER_##XX##_VECTOR) \
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{ \
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ENERGEST_ON(ENERGEST_TYPE_IRQ); \
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CALLBACK(); \
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ENERGEST_OFF(ENERGEST_TYPE_IRQ); \
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IFS0CLR = _IFS0_T##XX##IF_MASK; \
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}
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#ifdef __USE_TIMER_1__
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TIMERN_16_DEF(1)
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#endif /* __USE_TIMER_1__ */
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#if defined(__USE_TIMER_2__) || defined(__USE_TIMER_23__)
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TIMERN_16_DEF(2)
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#endif /* __USE_TIMER_2__ */
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#if defined(__USE_TIMER_3__) || defined(__USE_TIMER_23__)
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TIMERN_16_DEF(3)
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#endif /* __USE_TIMER_3__ */
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#if defined(__USE_TIMER_4__) || defined(__USE_TIMER_45__)
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TIMERN_16_DEF(4)
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#endif /* __USE_TIMER_4__ */
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#if defined(__USE_TIMER_5__) || defined(__USE_TIMER_45__)
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TIMERN_16_DEF(5)
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#endif /* __USE_TIMER_5__ */
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#ifdef __USE_TIMER_23__
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TIMERN_32_DEF(23)
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#endif /* __USE_TIMER_23__ */
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#ifdef __USE_TIMER_45__
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TIMERN_32_DEF(45)
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#endif /* __USE_TIMER_45__ */
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#endif /* __USE_TIMER__ */
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#endif /* INCLUDE_PIC32_TIMER_H_ */
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/** @} */
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