nes-proj/arch/cpu/simplelink-cc13xx-cc26xx/dev/dbg-arch.c
2018-08-31 11:06:31 +02:00

85 lines
3.0 KiB
C

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