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f30d92b101
The switch is now performed through a configuration define, which has also been renamed to better match Contiki's naming conventions
85 lines
3.8 KiB
C
85 lines
3.8 KiB
C
/*
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* Copyright (c) 2012, George Oikonomou (oikonomou@users.sourceforge.net)
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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 copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF 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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* \file
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* Platform-specific header file which switches between UART and USB
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* input/output, depending on whether we are building for the
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* cc2531 USB dongle or the SmartRF
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*
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* These configuration directives are hardware-specific and you
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* normally won't have to modify anything in this file.
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*
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* \author
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* George Oikonomou - <oikonomou@users.sourceforge.net>
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*/
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#ifndef IO_ARCH_H_
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#define IO_ARCH_H_
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#include "contiki.h"
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/*---------------------------------------------------------------------------*/
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#if MODELS_CONF_CC2531_USB_STICK
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#include "dev/usb-serial.h"
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#define IO_ARCH_PREFIX usb_serial
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/*
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* When using the cc2531 USB stick, we have the option to enable buffering
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* for USB-serial output. In this case, the driver will implicitly flush the
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* output when the TX buffer is full or when it encounters SLIP_END or '\n'.
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* We can trigger an explicit flush by calling io_arch_flush(). Naturally, this
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* does not make sense when our output uses the UART nor when buffering is
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* disabled, in which cases the calls are simply pre-processed to nothingness
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*/
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#define io_arch_flush() usb_serial_flush()
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#else
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#include "dev/uart0.h"
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#define IO_ARCH_PREFIX uart0
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#define io_arch_flush()
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#endif
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/*---------------------------------------------------------------------------*/
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/* Expands to uart0_init(), usb_serial_init() */
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#define io_arch_init() io_arch_init_x(IO_ARCH_PREFIX)
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#define io_arch_writeb(b) io_arch_writeb_x(IO_ARCH_PREFIX, b)
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#define io_arch_set_input(f) io_arch_set_input_x(IO_ARCH_PREFIX, f)
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/*---------------------------------------------------------------------------*/
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/* Second round of macro substitutions. You can stop reading here */
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#define io_arch_init_x(prefix) io_arch_init_x_x(prefix)
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#define io_arch_writeb_x(prefix, b) io_arch_writeb_x_x(prefix, b)
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#define io_arch_set_input_x(prefix, f) io_arch_set_input_x_x(prefix, f)
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/*---------------------------------------------------------------------------*/
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#define io_arch_init_x_x(prefix) prefix##_init()
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#define io_arch_writeb_x_x(prefix, b) prefix##_writeb(b)
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#define io_arch_set_input_x_x(prefix, f) prefix##_set_input(f)
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#endif /* IO_ARCH_H_ */
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