contiki/platform/seedeye/dev/mrf24j40/mrf24j40_arch.h

129 lines
5.1 KiB
C

/*
* Contiki SeedEye Platform project
*
* Copyright (c) 2012,
* Scuola Superiore Sant'Anna (http://www.sssup.it) and
* Consorzio Nazionale Interuniversitario per le Telecomunicazioni
* (http://www.cnit.it).
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
*
*/
/**
* \addtogroup mrf24j40 MRF24J40 Driver
*
* @{
*/
/**
* \file mrf24j40_arch.h
* \brief MRF24J40 Specific Arch Conf
* \author Giovanni Pellerano <giovanni.pellerano@evilaliv3.org>
* \date 2012-03-21
*/
#ifndef MRF24J40_ARCH_H_
#define MRF24J40_ARCH_H_
#include "p32xxxx.h"
#include <stdint.h>
#include "dev/radio.h"
/* Pin Mapping */
#define MRF24J40_RESETn PORTGbits.RG15
#define MRF24J40_INT PORTAbits.RA15
#define MRF24J40_CSn PORTFbits.RF12
#define MRF24J40_WAKE PORTGbits.RG12
/* Pin Tri-States */
#define MRF24J40_TRIS_RESETn TRISGbits.TRISG1
#define MRF24J40_TRIS_INT TRISAbits.TRISA15
#define MRF24J40_TRIS_CSn TRISFbits.TRISF12
#define MRF24J40_TRIS_WAKE TRISGbits.TRISG12
/* RESET low/high */
#define MRF24J40_HARDRESET_LOW() MRF24J40_RESETn = 0
#define MRF24J40_HARDRESET_HIGH() MRF24J40_RESETn = 1
#define MRF24J40_CSn_LOW() MRF24J40_CSn = 0
#define MRF24J40_CSn_HIGH() MRF24J40_CSn = 1
/* Spi port Mapping */
#ifdef __USE_MRF24J40_SPI_PORT_1__
#define MRF24J40_SPI_PORT_INIT pic32_spi1_init
#define MRF24J40_SPI_PORT_WRITE pic32_spi1_write
#define MRF24J40_SPI_PORT_READ pic32_spi1_read
#elif defined __USE_MRF24J40_SPI_PORT_1A__
#define MRF24J40_SPI_PORT_INIT pic32_spi1A_init
#define MRF24J40_SPI_PORT_WRITE pic32_spi1A_write
#define MRF24J40_SPI_PORT_READ pic32_spi1A_read
#elif defined __USE_MRF24J40_SPI_PORT_2A__
#define MRF24J40_SPI_PORT_INIT pic32_spi2A_init
#define MRF24J40_SPI_PORT_WRITE pic32_spi2A_write
#define MRF24J40_SPI_PORT_READ pic32_spi2A_read
#elif defined __USE_MRF24J40_SPI_PORT_3A__
#define MRF24J40_SPI_PORT_INIT pic32_spi3A_init
#define MRF24J40_SPI_PORT_WRITE pic32_spi3A_write
#define MRF24J40_SPI_PORT_READ pic32_spi3A_read
#else
#define MRF24J40_SPI_PORT_INIT pic32_spi3A_init
#define MRF24J40_SPI_PORT_WRITE pic32_spi3A_write
#define MRF24J40_SPI_PORT_READ pic32_spi3A_read
#endif
/* IRC Configuration */
#define MRF24J40_ISR() ISR(_EXTERNAL_4_VECTOR)
#define MRF24J40_INTERRUPT_FLAG_SET() IFS0SET = _IFS0_INT4IF_MASK
#define MRF24J40_INTERRUPT_FLAG_CLR() IFS0CLR = _IFS0_INT4IF_MASK
#define MRF24J40_INTERRUPT_ENABLE_SET() IEC0SET = _IEC0_INT4IE_MASK
#define MRF24J40_INTERRUPT_ENABLE_CLR() IEC0CLR = _IEC0_INT4IE_MASK
#define MRF24J40_INTERRUPT_ENABLE_STAT() IEC0bits.INT4IE
#define MRF24J40_PINDIRECTION_INIT() \
do { \
MRF24J40_TRIS_RESETn = 0; \
MRF24J40_TRIS_INT = 1; \
MRF24J40_TRIS_CSn = 0; \
MRF24J40_TRIS_WAKE = 0; \
} while(0)
#define MRF24J40_INTERRUPT_INIT(p, s) \
do { \
MRF24J40_INTERRUPT_ENABLE_CLR(); \
MRF24J40_INTERRUPT_FLAG_CLR(); \
INTCONCLR = _INTCON_INT4EP_MASK; \
IPC4CLR = _IPC4_INT4IP_MASK | _IPC4_INT4IS_MASK; \
IPC4SET = (p << _IPC4_INT4IP_POSITION) | (s << _IPC4_INT4IS_POSITION); \
MRF24J40_INTERRUPT_ENABLE_SET(); \
} while(0)
#endif /* MRF24J40_ARCH_H_ */
/** @} */