40f49948e6
This commit adds cpu, platform and example files, providing support for running Contiki on TI's cc2538 DK
117 lines
3.3 KiB
C
117 lines
3.3 KiB
C
/*
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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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/** \addtogroup cc2538-char-io
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* @{ */
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/**
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* \file
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* Implementation of arch-specific functions required by the dbg_io API in
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* cpu/arm/common/dbg-io
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*/
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#include "contiki.h"
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#include "dbg.h"
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#include "dev/uart.h"
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#include "usb/usb-serial.h"
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#include <stdio.h>
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/*---------------------------------------------------------------------------*/
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#ifndef DBG_CONF_USB
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#define DBG_CONF_USB 0
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#endif
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#if DBG_CONF_USB
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#define write_byte(b) usb_serial_writeb(b)
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#define flush() usb_serial_flush()
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#else
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#define write_byte(b) uart_write_byte(b)
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#define flush()
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#endif
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/*---------------------------------------------------------------------------*/
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#undef putchar
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#undef puts
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#define SLIP_END 0300
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/*---------------------------------------------------------------------------*/
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int
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putchar(int c)
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{
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#if DBG_CONF_SLIP_MUX
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static char debug_frame = 0;
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if(!debug_frame) {
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write_byte(SLIP_END);
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write_byte('\r');
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debug_frame = 1;
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}
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#endif
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write_byte(c);
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if(c == '\n') {
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#if DBG_CONF_SLIP_MUX
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write_byte(SLIP_END);
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debug_frame = 0;
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#endif
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dbg_flush();
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}
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return c;
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}
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/*---------------------------------------------------------------------------*/
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unsigned int
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dbg_send_bytes(const unsigned char *s, unsigned int len)
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{
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unsigned int i = 0;
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while(s && *s != 0) {
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if(i >= len) {
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break;
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}
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putchar(*s++);
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i++;
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}
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return i;
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}
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/*---------------------------------------------------------------------------*/
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int
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puts(const char *s)
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{
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unsigned int i = 0;
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while(s && *s != 0) {
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putchar(*s++);
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i++;
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}
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putchar('\n');
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return i;
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}
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/*---------------------------------------------------------------------------*/
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/** @} */
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