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Diffstat (limited to 'atmel-samd/asf/common/utils/stdio/read.c')
| -rw-r--r-- | atmel-samd/asf/common/utils/stdio/read.c | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/atmel-samd/asf/common/utils/stdio/read.c b/atmel-samd/asf/common/utils/stdio/read.c deleted file mode 100644 index 1326308be..000000000 --- a/atmel-samd/asf/common/utils/stdio/read.c +++ /dev/null @@ -1,167 +0,0 @@ -/** - * \file - * - * \brief System-specific implementation of the \ref _read function used by - * the standard library. - * - * Copyright (c) 2009-2015 Atmel Corporation. All rights reserved. - * - * \asf_license_start - * - * \page License - * - * 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. The name of Atmel may not be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * 4. This software may only be redistributed and used in connection with an - * Atmel microcontroller product. - * - * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE - * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL 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. - * - * \asf_license_stop - * - */ -/* - * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a> - */ - -#include "compiler.h" - -/** - * \defgroup group_common_utils_stdio Standard I/O (stdio) - * - * Common standard I/O driver that implements the stdio - * read and write functions on AVR and SAM devices. - * - * \{ - */ - -extern volatile void *volatile stdio_base; -void (*ptr_get)(void volatile*, char*); - - -// IAR common implementation -#if ( defined(__ICCAVR32__) || defined(__ICCAVR__) || defined(__ICCARM__) ) - -#include <yfuns.h> - -_STD_BEGIN - -#pragma module_name = "?__read" - -/*! \brief Reads a number of bytes, at most \a size, into the memory area - * pointed to by \a buffer. - * - * \param handle File handle to read from. - * \param buffer Pointer to buffer to write read bytes to. - * \param size Number of bytes to read. - * - * \return The number of bytes read, \c 0 at the end of the file, or - * \c _LLIO_ERROR on failure. - */ -size_t __read(int handle, unsigned char *buffer, size_t size) -{ - int nChars = 0; - // This implementation only reads from stdin. - // For all other file handles, it returns failure. - if (handle != _LLIO_STDIN) { - return _LLIO_ERROR; - } - for (; size > 0; --size) { - ptr_get(stdio_base, (char*)buffer); - buffer++; - nChars++; - } - return nChars; -} - -/*! \brief This routine is required by IAR DLIB library since EWAVR V6.10 - * the implementation is empty to be compatible with old IAR version. - */ -int __close(int handle) -{ - UNUSED(handle); - return 0; -} - -/*! \brief This routine is required by IAR DLIB library since EWAVR V6.10 - * the implementation is empty to be compatible with old IAR version. - */ -int remove(const char* val) -{ - UNUSED(val); - return 0; -} - -/*! \brief This routine is required by IAR DLIB library since EWAVR V6.10 - * the implementation is empty to be compatible with old IAR version. - */ -long __lseek(int handle, long val, int val2) -{ - UNUSED(handle); - UNUSED(val2); - return val; -} - -_STD_END - -// GCC AVR32 and SAM implementation -#elif (defined(__GNUC__) && !XMEGA && !MEGA) - -int __attribute__((weak)) -_read (int file, char * ptr, int len); // Remove GCC compiler warning - -int __attribute__((weak)) -_read (int file, char * ptr, int len) -{ - int nChars = 0; - - if (file != 0) { - return -1; - } - - for (; len > 0; --len) { - ptr_get(stdio_base, ptr); - ptr++; - nChars++; - } - return nChars; -} - -// GCC AVR implementation -#elif (defined(__GNUC__) && (XMEGA || MEGA) ) - -int _read (int *f); // Remove GCC compiler warning - -int _read (int *f) -{ - char c; - ptr_get(stdio_base,&c); - return c; -} -#endif - -/** - * \} - */ - |