2013-01-12 23:44:42 +01:00
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/*
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* Copyright (c) 2012, Texas Instruments Incorporated - http://www.ti.com/
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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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*
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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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/**
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* \addtogroup cc2538
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* @{
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*
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* \defgroup cc2538-char-io cc2538 Character I/O
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*
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2015-02-14 02:09:24 +01:00
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* CPU-specific functions for debugging and SLIP I/O
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2013-01-12 23:44:42 +01:00
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*
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* On the cc2538, character I/O can be directed over USB or UART. This is
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* controlled by a series of configuration directives:
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* - SLIP_ARCH_CONF_USB: Controls the operation of slip-arch.
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* - DBG_CONF_USB: Controls all debugging output
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*
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* Defaults for those defines are set in contiki-conf.h
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* @{
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*
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* \file
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* Header file for the cc2538 Debug I/O module
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*/
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#ifndef DBG_H_
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#define DBG_H_
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#include "contiki-conf.h"
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#include "usb/usb-serial.h"
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/**
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* \brief Print a stream of bytes
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* \param seq A pointer to the stream
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* \param len The number of bytes to print
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* \return The number of printed bytes
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*
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* This function is an arch-specific implementation required by the dbg-io
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* API in cpu/arm/common/dbg-io. It prints a stream of bytes over the
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* peripheral used by the platform.
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*/
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unsigned int dbg_send_bytes(const unsigned char *seq, unsigned int len);
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/**
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* \brief Flushes character output
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*
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* When debugging is sent over USB, this functions causes the USB
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* driver to immediately TX the content of output buffers. When
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* debugging is over UART, this function does nothing.
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*
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* There is nothing stopping you from using this macro in your code but
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* normally, you won't have to.
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*/
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#if DBG_CONF_USB
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#define dbg_flush() usb_serial_flush()
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#else
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#define dbg_flush()
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#endif
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#endif /* DBG_H_ */
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/**
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* @}
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* @}
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*/
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