nes-proj/cpu/pic32/slip-uart.c

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/*
* Contiki PIC32 Port 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 pic32 PIC32 Contiki Port
*
* @{
*/
/**
* \file slip-uart.c
* \brief PIC32MX Slip interface routines
* \author Giovanni Pellerano <giovanni.pellerano@evilaliv3.org>
* \date 2012-03-23
*/
#include "contiki.h"
#include "dev/slip.h"
#include <pic32_uart.h>
#define DEBUG 1
#if DEBUG
#include <stdio.h>
#define PRINTF(...) printf(__VA_ARGS__)
#else
#define PRINTF(...)
#endif
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#define SLIP_UART(XX, YY) \
void \
slip_arch_writeb(unsigned char c) \
{ \
pic32_uart##XX##_write(c); \
} \
\
void \
slip_arch_init(unsigned long ubr) \
{ \
pic32_uart##XX##_init(ubr, 0); \
\
PRINTF("Initializing slip uart: %lubps\n", ubr); \
} \
\
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UART_INTERRUPT(XX, YY, slip_input_byte);
#ifdef __USE_UART_PORT1A_FOR_SLIP__
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SLIP_UART(1A, 0);
#elif defined __USE_UART_PORT1B_FOR_SLIP__
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SLIP_UART(1B, 2);
#elif defined __USE_UART_PORT2A_FOR_SLIP__
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SLIP_UART(2A, 1);
#elif defined __USE_UART_PORT2B_FOR_SLIP__
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SLIP_UART(2B, 2);
#elif defined __USE_UART_PORT3A_FOR_SLIP__
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SLIP_UART(3A, 1);
#elif defined __USE_UART_PORT3B_FOR_SLIP__
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SLIP_UART(3B, 2);
#else
SLIP_UART(1A);
#endif
/** @} */