mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-08-16 22:28:59 +00:00
432 lines
9.4 KiB
C
432 lines
9.4 KiB
C
/*
|
|
* Copyright (c) 2010, Mariano Alvira <mar@devl.org> and other contributors
|
|
* to the MC1322x project (http://mc1322x.devl.org)
|
|
* 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 Institute 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 INSTITUTE 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 INSTITUTE 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.
|
|
*
|
|
* This file is part of libmc1322x: see http://mc1322x.devl.org
|
|
* for details.
|
|
*
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* \file printf-stdarg.c
|
|
*
|
|
* \brief sprintf functions to replace newlib for AVR32 UC3.
|
|
*
|
|
* \author $Author: umanzoli $
|
|
*
|
|
* Created on : 17-mar-2009
|
|
*
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* Copyright 2001, 2002 Georges Menie (www.menie.org)
|
|
* stdarg version contributed by Christian Ettinger
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
|
|
#include <stdarg.h>
|
|
#include <stdbool.h>
|
|
#include <string.h>
|
|
|
|
#include <mc1322x.h>
|
|
#include <stdint.h>
|
|
|
|
#define __putc(x) uart1_putc(x)
|
|
|
|
/**
|
|
* Structure to hold data to be passed to print function with format.
|
|
* Aka print context.
|
|
*/
|
|
struct __print_ctx_t
|
|
{
|
|
//! pointer to next char to be filled.
|
|
char* _ptr;
|
|
//! maximum length of the buffer.
|
|
size_t _max_len;
|
|
};
|
|
typedef struct __print_ctx_t _print_ctx_t;
|
|
|
|
/**
|
|
* Pad string to right
|
|
*/
|
|
#define _PRINTFMT_PAD_RIGHT 1
|
|
|
|
/**
|
|
* Pad the number with zeroes
|
|
*/
|
|
#define _PRINTFMT_PAD_ZERO 2
|
|
|
|
/**
|
|
* The following should be enough for 32 bit int
|
|
*/
|
|
#define _PRINTFMT_INT_BUF_LEN 12
|
|
|
|
/**
|
|
* Print a character to stdout (if string is null)
|
|
* otherwise, put the character at the end of the provided string.
|
|
*/
|
|
static void __print_char( _print_ctx_t* ctx, char c )
|
|
{
|
|
if( ctx ) {
|
|
if( c == '\r' || c == '\n' ) {
|
|
if( ctx->_max_len > 1 ) {
|
|
*(ctx->_ptr)='\r';
|
|
ctx->_max_len--;
|
|
ctx->_ptr++;
|
|
*(ctx->_ptr)='\n';
|
|
ctx->_max_len--;
|
|
ctx->_ptr++;
|
|
} else {
|
|
*(ctx->_ptr)='\n';
|
|
ctx->_max_len--;
|
|
ctx->_ptr++;
|
|
}
|
|
} else {
|
|
if( ctx->_max_len ) {
|
|
*(ctx->_ptr)=c;
|
|
ctx->_max_len--;
|
|
ctx->_ptr++;
|
|
}
|
|
}
|
|
} else {
|
|
__putc( (uint8_t)c );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Print a string to a given string.
|
|
*/
|
|
static int __print_str( _print_ctx_t* ctx,
|
|
const char *string,
|
|
int width,
|
|
int pad,
|
|
int print_limit,
|
|
bool is_number )
|
|
{
|
|
int pc = 0;
|
|
int padchar = ' ';
|
|
int i, len;
|
|
|
|
if( width > 0 ) {
|
|
register int len = 0;
|
|
register const char *ptr;
|
|
for( ptr = string; *ptr; ++ptr )
|
|
++len;
|
|
if( len >= width )
|
|
width = 0;
|
|
else
|
|
width -= len;
|
|
if( pad & _PRINTFMT_PAD_ZERO )
|
|
padchar = '0';
|
|
}
|
|
if( !( pad & _PRINTFMT_PAD_RIGHT ) ) {
|
|
for( ; width > 0; --width ) {
|
|
__print_char( ctx, padchar );
|
|
++pc;
|
|
}
|
|
}
|
|
|
|
// The string to print is not the result of a number conversion to ascii.
|
|
if( false == is_number ) {
|
|
// For a string, printlimit is the max number of characters to display.
|
|
for( ; print_limit && *string; ++string, --print_limit ) {
|
|
__print_char( ctx, *string );
|
|
++pc;
|
|
}
|
|
}
|
|
|
|
// The string to print represents an integer number.
|
|
if( true == is_number ) {
|
|
// In this case, printlimit is the min number of digits to print.
|
|
|
|
// If the length of the number to print is less than the min nb of i
|
|
// digits to display, we add 0 before printing the number.
|
|
len = strlen( string );
|
|
if( len < print_limit ) {
|
|
i = print_limit - len;
|
|
for( ; i; i-- ) {
|
|
__print_char( ctx, '0' );
|
|
++pc;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Else: The string to print is not the result of a number conversion to ascii.
|
|
* For a string, printlimit is the max number of characters to display.
|
|
*/
|
|
for( ; print_limit && *string; ++string, --print_limit ) {
|
|
__print_char( ctx, *string );
|
|
++pc;
|
|
}
|
|
|
|
for( ; width > 0; --width ) {
|
|
__print_char( ctx, padchar );
|
|
++pc;
|
|
}
|
|
|
|
return pc;
|
|
}
|
|
|
|
/**
|
|
* Print a number to the given string, with the given base.
|
|
*/
|
|
static int __print_int( _print_ctx_t* ctx,
|
|
int i,
|
|
int b,
|
|
int sg,
|
|
int width,
|
|
int pad,
|
|
int letbase,
|
|
int print_limit )
|
|
{
|
|
char print_buf[_PRINTFMT_INT_BUF_LEN];
|
|
register char *s;
|
|
register int t, neg = 0, pc = 0;
|
|
register unsigned int u = i;
|
|
|
|
if( i == 0 ) {
|
|
print_buf[0] = '0';
|
|
print_buf[1] = '\0';
|
|
return __print_str( ctx, print_buf, width, pad, print_limit, true );
|
|
}
|
|
|
|
if( sg && b == 10 && i < 0 ) {
|
|
neg = 1;
|
|
u = -i;
|
|
}
|
|
|
|
s = print_buf + _PRINTFMT_INT_BUF_LEN - 1;
|
|
*s = '\0';
|
|
|
|
while( u ) {
|
|
t = u % b;
|
|
if( t >= 10 )
|
|
t += letbase - '0' - 10;
|
|
*--s = t + '0';
|
|
u /= b;
|
|
}
|
|
|
|
if( neg ) {
|
|
if( width && ( pad & _PRINTFMT_PAD_ZERO ) ) {
|
|
__print_char( ctx, '-' );
|
|
++pc;
|
|
--width;
|
|
} else {
|
|
*--s = '-';
|
|
}
|
|
}
|
|
|
|
return pc + __print_str( ctx, s, width, pad, print_limit, true );
|
|
}
|
|
/*
|
|
#if __GNUC__
|
|
int fprintf( __FILE *stream, const char *format, ... )
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
*/
|
|
|
|
/**
|
|
* Print the given arguments, with given format onto string out.
|
|
*/
|
|
static int __print_fmt( _print_ctx_t* ctx, const char *format, va_list args )
|
|
{
|
|
int width;
|
|
int pad;
|
|
int print_limit;
|
|
int pc = 0;
|
|
char scr[2];
|
|
|
|
for( ; *format != 0; ++format ) {
|
|
if( *format == '%' ) {
|
|
++format;
|
|
width = pad = print_limit = 0;
|
|
|
|
if( *format == '\0' ) {
|
|
break;
|
|
}
|
|
|
|
if( *format == '%' ) {
|
|
goto out;
|
|
}
|
|
|
|
if( *format == '-' ) {
|
|
++format;
|
|
pad = _PRINTFMT_PAD_RIGHT;
|
|
}
|
|
|
|
while( *format == '0' ) {
|
|
++format;
|
|
pad |= _PRINTFMT_PAD_ZERO;
|
|
}
|
|
|
|
for( ; *format >= '0' && *format <= '9'; ++format ) {
|
|
width *= 10;
|
|
width += *format - '0';
|
|
}
|
|
|
|
if( *format == '.' ) {
|
|
++format;
|
|
for( ; *format >= '0' && *format <= '9'; ++format ) {
|
|
print_limit *= 10;
|
|
print_limit += *format - '0';
|
|
}
|
|
}
|
|
|
|
if( 0 == print_limit ) {
|
|
print_limit--;
|
|
}
|
|
|
|
if( *format == 'l' ) {
|
|
++format;
|
|
}
|
|
|
|
if( *format == 's' ) {
|
|
register char *s = (char *) va_arg( args, int );
|
|
pc += __print_str( ctx,
|
|
s ? s : "(null)",
|
|
width,
|
|
pad,
|
|
print_limit,
|
|
false );
|
|
continue;
|
|
}
|
|
|
|
if( *format == 'd' ) {
|
|
pc += __print_int( ctx, va_arg( args, int ), 10, 1, width, pad, 'a', print_limit );
|
|
continue;
|
|
}
|
|
|
|
if( ( *format == 'x' ) || ( *format == 'p' ) ) {
|
|
pc += __print_int( ctx, va_arg( args, int ), 16, 0, width, pad, 'a', print_limit );
|
|
continue;
|
|
}
|
|
|
|
if( *format == 'X' ) {
|
|
pc += __print_int( ctx, va_arg( args, int ), 16, 0, width, pad, 'A', print_limit );
|
|
continue;
|
|
}
|
|
|
|
if( *format == 'u' ) {
|
|
pc += __print_int( ctx, va_arg( args, int ), 10, 0, width, pad, 'a', print_limit );
|
|
continue;
|
|
}
|
|
|
|
if( *format == 'c' ) {
|
|
// char are converted to int then pushed on the stack
|
|
scr[0] = (char) va_arg( args, int );
|
|
scr[1] = '\0';
|
|
pc += __print_str( ctx, scr, width, pad, print_limit, false );
|
|
continue;
|
|
}
|
|
} else {
|
|
out:
|
|
__print_char( ctx, *format );
|
|
++pc;
|
|
}
|
|
}
|
|
|
|
if( ctx && ctx->_max_len ) {
|
|
*(ctx->_ptr) = '\0';
|
|
}
|
|
|
|
return pc;
|
|
}
|
|
|
|
#define BLOCK_MEM_SIZE 1024
|
|
|
|
int sprintf( char *out, const char *format, ... )
|
|
{
|
|
int retval = 0;
|
|
_print_ctx_t ctx;
|
|
va_list args;
|
|
|
|
ctx._ptr = out;
|
|
ctx._max_len = BLOCK_MEM_SIZE;
|
|
|
|
va_start( args, format );
|
|
retval = __print_fmt( &ctx, format, args );
|
|
va_end( args );
|
|
|
|
return retval;
|
|
}
|
|
|
|
int printf( const char *format, ... )
|
|
{
|
|
int retval = 0;
|
|
// memory_t* buf;
|
|
va_list args;
|
|
|
|
/*
|
|
buf = memory_alloc( 10 );
|
|
|
|
if( buf ) {
|
|
_print_ctx_t ctx;
|
|
ctx._ptr = (char*)buf->_data;
|
|
ctx._max_len = BLOCK_MEM_SIZE;
|
|
|
|
va_start( args, format );
|
|
retval = __print_fmt( &ctx, format, args );
|
|
va_end( args );
|
|
|
|
buf->_len = strlen( (const char*)buf->_data );
|
|
|
|
// LCD_WriteString( ll, buf );
|
|
ll++;
|
|
ll &= 0x03;
|
|
if( uart_task_send( buf ) == false ) {
|
|
memory_free( buf );
|
|
}
|
|
}
|
|
*/
|
|
|
|
va_start( args, format );
|
|
retval = __print_fmt( NULL, format, args );
|
|
va_end( args );
|
|
|
|
return retval;
|
|
}
|