/*
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/*
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* Copyright (c) 2016, Matt Redfearn
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* Copyright (c) 2016, Matt Redfearn
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* All rights reserved.
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* All rights reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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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 are met:
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* modification, are permitted provided that the following conditions are met:
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*
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* this list of conditions and the following disclaimer.
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*
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* and/or other materials provided with the distribution.
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*
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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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* 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 from this
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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* software without specific prior written permission.
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*
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* CONTRACT, 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 OF THE
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*
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*
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*
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* This library provides a simple implementation of printf and sprintf. I wrote
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* This library provides a simple implementation of printf and sprintf. I wrote
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* it because I could not find a good BSD licensed printf that may be built in
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* it because I could not find a good BSD licensed printf that may be built in
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* to proprietary software.
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* to proprietary software.
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*
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*
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* The formats specifiers supported by this implementation are:
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* The formats specifiers supported by this implementation are:
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* 'd' 'u' 'x' 'X' 'c' 's'.
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* 'd' 'u' 'x' 'X' 'c' 's'.
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*
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*
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* Zero padding and field width are also supported, as well as pad right and
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* Zero padding and field width are also supported, as well as pad right and
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* variable pad width.
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* variable pad width.
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*
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*
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* To use printf() your program should provide an implementation of putchar()
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* To use printf() your program should provide an implementation of putchar()
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* to output a character, for example:
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* to output a character, for example:
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*
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*
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* void putchar(char c)
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* void putchar(char c)
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* {
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* {
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* while(!SERIAL_PORT_EMPTY);
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* while(!SERIAL_PORT_EMPTY);
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* SERIAL_PORT_TX_REGISTER = c;
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* SERIAL_PORT_TX_REGISTER = c;
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* }
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* }
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*
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*
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* The code is re-entrant, so it is safe to call from any context, though you
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* The code is re-entrant, so it is safe to call from any context, though you
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* will probably get interleaved output. This means that your putchar()
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* will probably get interleaved output. This means that your putchar()
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* function should also be reentrant.
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* function should also be reentrant.
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*/
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*/
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#ifndef __SIMPLE_PRINTF__
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#ifndef __SIMPLE_PRINTF__
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#define __SIMPLE_PRINTF__
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#define __SIMPLE_PRINTF__
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/* Platform must supply this function to output a character */
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/* Platform must supply this function to output a character */
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void outbyte(char c);
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void outbyte(char c);
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#include "printf.c"
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//#include "printf.c"
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//int simple_printf (__const char *__restrict __format, ...);
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int simple_printf(char *fmt, ...);
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int sprintf (char *str, __const char *__restrict __format, ...);
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#define printf simple_printf
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#define printf simple_printf
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#define sprintf simple_sprintf
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#define sprintf simple_sprintf
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#endif /* __SIMPLE_PRINTF__ */
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#endif /* __SIMPLE_PRINTF__ */
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