Changed _putchar() to void, changed format to CRLF
Marco Paland
8 years ago
parent
b5b539d814
commit
65b9a297d3
@ -1,76 +1,87 @@
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///////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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// \author (c) Marco Paland (info@paland.com)
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// \author (c) Marco Paland (info@paland.com)
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// 2014-2017, PALANDesign Hannover, Germany
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// 2014-2017, PALANDesign Hannover, Germany
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//
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//
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// \license The MIT License (MIT)
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// \license The MIT License (MIT)
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//
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//
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// This file is part of the turnkey-board.
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// This file is part of the turnkey-board.
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// furnished to do so, subject to the following conditions:
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//
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//
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// The above copyright notice and this permission notice shall be included in
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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// all copies or substantial portions of the Software.
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//
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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// THE SOFTWARE.
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//
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//
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// \brief Tiny printf, sprintf and snprintf implementation, optimized for speed on
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// \brief Tiny printf, sprintf and snprintf implementation, optimized for speed on
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// embedded systems with a very limited resources.
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// embedded systems with a very limited resources.
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// Use this instead of bloated standard/newlib printf.
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// Use this instead of bloated standard/newlib printf.
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// These routines are thread safe and reentrant!
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// These routines are thread safe and reentrant!
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//
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//
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///////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _PRINTF_H_
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#ifndef _PRINTF_H_
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#define _PRINTF_H_
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#define _PRINTF_H_
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#include <stddef.h>
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#include <stddef.h>
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/**
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* Output a character to a custom device like UART.
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#ifdef __cplusplus
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* This function is declared here only. You have to write your custom implementation somewhere.
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extern "C" {
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* \param character to output
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#endif
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* \return On success, the character written is returned
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*/
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int _putchar(char character);
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/**
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* Output a character to a custom device like UART.
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* This function is declared here only. You have to write your custom implementation somewhere.
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/**
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* \param character to output
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* Tiny printf implementation
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* \return On success, the character written is returned
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* You have to implement _putchar if you use printf()
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*/
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* \param format A string that specifies the format of the output
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void _putchar(char character);
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* \return The number of characters that are written into the array, not counting the terminating null character
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*/
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int printf(const char* format, ...);
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/**
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* Tiny printf implementation
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* You have to implement _putchar if you use printf()
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/**
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* \param format A string that specifies the format of the output
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* Tiny sprintf implementation
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* \return The number of characters that are written into the array, not counting the terminating null character
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* Due to security reasons YOU SHOULD CONSIDER USING SNPRINTF INSTEAD!
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*/
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* \param buffer A pointer to the buffer where to store the formatted string
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int printf(const char* format, ...);
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* \param format A string that specifies the format of the output
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* \return The number of characters that are written into the array, not counting the terminating null character
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*/
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/**
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int sprintf(char* buffer, const char* format, ...);
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* Tiny sprintf implementation
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* Due to security reasons YOU SHOULD CONSIDER USING SNPRINTF INSTEAD!
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* \param buffer A pointer to the buffer where to store the formatted string
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/**
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* \param format A string that specifies the format of the output
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* Tiny snprintf implementation
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* \return The number of characters that are written into the array, not counting the terminating null character
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* \param buffer A pointer to the buffer where to store the formatted string
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*/
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* \param count The maximum number of characters to store in the buffer, including a terminating null character
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int sprintf(char* buffer, const char* format, ...);
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* \param format A string that specifies the format of the output
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* \return The number of characters that are written into the array, not counting the terminating null character
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*/
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/**
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int snprintf(char* buffer, size_t count, const char* format, ...);
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* Tiny snprintf implementation
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* \param buffer A pointer to the buffer where to store the formatted string
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* \param count The maximum number of characters to store in the buffer, including a terminating null character
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#endif // _PRINTF_H_
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* \param format A string that specifies the format of the output
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* \return The number of characters that are written into the array, not counting the terminating null character
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*/
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int snprintf(char* buffer, size_t count, const char* format, ...);
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#ifdef __cplusplus
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}
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#endif
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#endif // _PRINTF_H_
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