85 lines
3.0 KiB
C
85 lines
3.0 KiB
C
/*
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* Copyright (c) 2018, 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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* 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 cc13xx-cc26xx-platform
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* @{
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*
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* \file
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* Implementation of the dbg module for CC13xx/CC26xx, used by stdio.
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* The dbg module is implemented by writing to UART0.
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* \author
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* Edvard Pettersen <e.pettersen@ti.com>
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*/
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/*---------------------------------------------------------------------------*/
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#include "contiki.h"
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#include "sys/cc.h"
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/*---------------------------------------------------------------------------*/
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#include "uart0-arch.h"
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/*---------------------------------------------------------------------------*/
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#include <stdio.h>
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#include <stddef.h>
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#include <string.h>
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/*---------------------------------------------------------------------------*/
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int
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dbg_putchar(int c)
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{
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unsigned char ch;
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int num_bytes;
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ch = (unsigned char)c;
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num_bytes = (int)uart0_write(&ch, 1);
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return (num_bytes > 0)
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? num_bytes
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: 0;
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}
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/*---------------------------------------------------------------------------*/
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unsigned int
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dbg_send_bytes(const unsigned char *seq, unsigned int len)
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{
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size_t seq_len;
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size_t max_len;
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int num_bytes;
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seq_len = strlen((const char *)seq);
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max_len = MIN(seq_len, (size_t)len);
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if(max_len == 0) {
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return 0;
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}
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num_bytes = (int)uart0_write(seq, max_len);
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return (num_bytes > 0)
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? num_bytes
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: 0;
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}
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/*---------------------------------------------------------------------------*/
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/** @} */
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