adjust root folder
This commit is contained in:
Steve Karg
@@ -0,0 +1,164 @@
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/**
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* \file
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*
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* \brief System-specific implementation of the \ref _read function used by
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* the standard library.
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*
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* Copyright (c) 2009-2013 Atmel Corporation. All rights reserved.
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*
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* \asf_license_start
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*
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* \page License
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*
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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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*
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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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*
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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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* and/or other materials provided with the distribution.
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*
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* 3. The name of Atmel may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* 4. This software may only be redistributed and used in connection with an
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* Atmel microcontroller product.
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*
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* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* 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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*
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* \asf_license_stop
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*
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*/
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#include "compiler.h"
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/**
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* \defgroup group_common_utils_stdio Standard I/O (stdio)
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*
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* Common standard I/O driver that implements the stdio
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* read and write functions on AVR and SAM devices.
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*
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* \{
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*/
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extern volatile void *volatile stdio_base;
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void (*ptr_get)(void volatile*, char*);
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// IAR common implementation
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#if ( defined(__ICCAVR32__) || defined(__ICCAVR__) || defined(__ICCARM__) )
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#include <yfuns.h>
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_STD_BEGIN
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#pragma module_name = "?__read"
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/*! \brief Reads a number of bytes, at most \a size, into the memory area
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* pointed to by \a buffer.
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*
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* \param handle File handle to read from.
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* \param buffer Pointer to buffer to write read bytes to.
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* \param size Number of bytes to read.
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*
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* \return The number of bytes read, \c 0 at the end of the file, or
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* \c _LLIO_ERROR on failure.
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*/
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size_t __read(int handle, unsigned char *buffer, size_t size)
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{
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int nChars = 0;
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// This implementation only reads from stdin.
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// For all other file handles, it returns failure.
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if (handle != _LLIO_STDIN) {
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return _LLIO_ERROR;
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}
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for (; size > 0; --size) {
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ptr_get(stdio_base, (char*)buffer);
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buffer++;
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nChars++;
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}
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return nChars;
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}
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/*! \brief This routine is required by IAR DLIB library since EWAVR V6.10
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* the implementation is empty to be compatible with old IAR version.
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*/
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int __close(int handle)
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{
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UNUSED(handle);
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return 0;
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}
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/*! \brief This routine is required by IAR DLIB library since EWAVR V6.10
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* the implementation is empty to be compatible with old IAR version.
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*/
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int remove(const char* val)
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{
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UNUSED(val);
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return 0;
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}
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/*! \brief This routine is required by IAR DLIB library since EWAVR V6.10
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* the implementation is empty to be compatible with old IAR version.
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*/
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long __lseek(int handle, long val, int val2)
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{
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UNUSED(handle);
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UNUSED(val2);
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return val;
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}
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_STD_END
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// GCC AVR32 and SAM implementation
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#elif (defined(__GNUC__) && !XMEGA && !MEGA)
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int __attribute__((weak))
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_read (int file, char * ptr, int len); // Remove GCC compiler warning
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int __attribute__((weak))
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_read (int file, char * ptr, int len)
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{
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int nChars = 0;
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if (file != 0) {
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return -1;
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}
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for (; len > 0; --len) {
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ptr_get(stdio_base, ptr);
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ptr++;
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nChars++;
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}
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return nChars;
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}
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// GCC AVR implementation
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#elif (defined(__GNUC__) && (XMEGA || MEGA) )
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int _read (int *f); // Remove GCC compiler warning
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int _read (int *f)
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{
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char c;
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ptr_get(stdio_base,&c);
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return c;
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}
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#endif
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/**
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* \}
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*/
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@@ -0,0 +1,123 @@
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/**
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*
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* \file
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*
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* \brief Common Standard I/O Serial Management.
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*
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* This file defines a useful set of functions for the Stdio Serial interface on AVR
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* and SAM devices.
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*
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* Copyright (c) 2009-2013 Atmel Corporation. All rights reserved.
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*
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* \asf_license_start
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*
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* \page License
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*
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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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*
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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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*
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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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* and/or other materials provided with the distribution.
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*
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* 3. The name of Atmel may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* 4. This software may only be redistributed and used in connection with an
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* Atmel microcontroller product.
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*
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* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* 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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*
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* \asf_license_stop
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*
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******************************************************************************/
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#ifndef _STDIO_SERIAL_H_
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#define _STDIO_SERIAL_H_
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/**
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* \defgroup group_common_utils_stdio_stdio_serial Standard serial I/O (stdio)
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* \ingroup group_common_utils_stdio
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*
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* Common standard serial I/O management driver that
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* implements a stdio serial interface on AVR and SAM devices.
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*
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* \{
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*/
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#include <stdio.h>
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#include "compiler.h"
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#include "sysclk.h"
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#include "serial.h"
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#if (XMEGA || MEGA_RF) && defined(__GNUC__)
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extern int _write (char c, int *f);
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extern int _read (int *f);
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#endif
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//! Pointer to the base of the USART module instance to use for stdio.
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extern volatile void *volatile stdio_base;
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//! Pointer to the external low level write function.
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extern int (*ptr_put)(void volatile*, char);
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//! Pointer to the external low level read function.
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extern void (*ptr_get)(void volatile*, char*);
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/*! \brief Initializes the stdio in Serial Mode.
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*
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* \param usart Base address of the USART instance.
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* \param opt Options needed to set up RS232 communication (see \ref usart_options_t).
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*
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*/
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static inline void stdio_serial_init(volatile void *usart, const usart_serial_options_t *opt)
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{
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stdio_base = (void *)usart;
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ptr_put = (int (*)(void volatile*,char))&usart_serial_putchar;
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ptr_get = (void (*)(void volatile*,char*))&usart_serial_getchar;
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#if (XMEGA || MEGA_RF)
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usart_serial_init((USART_t *)usart,opt);
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#elif UC3
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usart_serial_init(usart,(usart_serial_options_t *)opt);
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#elif SAM
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usart_serial_init((Usart *)usart,(usart_serial_options_t *)opt);
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#else
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# error Unsupported chip type
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#endif
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#if defined(__GNUC__)
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# if (XMEGA || MEGA_RF)
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// For AVR GCC libc print redirection uses fdevopen.
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fdevopen((int (*)(char, FILE*))(_write),(int (*)(FILE*))(_read));
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# endif
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# if UC3 || SAM
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// For AVR32 and SAM GCC
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// Specify that stdout and stdin should not be buffered.
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setbuf(stdout, NULL);
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setbuf(stdin, NULL);
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// Note: Already the case in IAR's Normal DLIB default configuration
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// and AVR GCC library:
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// - printf() emits one character at a time.
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// - getchar() requests only 1 byte to exit.
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# endif
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#endif
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}
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/**
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* \}
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*/
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#endif // _STDIO_SERIAL_H_
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@@ -0,0 +1,144 @@
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/**
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* \file
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*
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* \brief System-specific implementation of the \ref _write function used by
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* the standard library.
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*
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* Copyright (c) 2009-2013 Atmel Corporation. All rights reserved.
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*
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* \asf_license_start
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*
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||||
* \page License
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||||
*
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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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||||
* 1. Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
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||||
*
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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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* and/or other materials provided with the distribution.
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*
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* 3. The name of Atmel may not be used to endorse or promote products derived
|
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* from this software without specific prior written permission.
|
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*
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* 4. This software may only be redistributed and used in connection with an
|
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* Atmel microcontroller product.
|
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*
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||||
* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
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* 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
|
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* 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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*
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* \asf_license_stop
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*
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*/
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#include "compiler.h"
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/**
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* \addtogroup group_common_utils_stdio
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*
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* \{
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*/
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volatile void *volatile stdio_base;
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int (*ptr_put)(void volatile*, char);
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#if ( defined(__ICCAVR32__) || defined(__ICCAVR__) || defined(__ICCARM__))
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#include <yfuns.h>
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_STD_BEGIN
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#pragma module_name = "?__write"
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/*! \brief Writes a number of bytes, at most \a size, from the memory area
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* pointed to by \a buffer.
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*
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* If \a buffer is zero then \ref __write performs flushing of internal buffers,
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* if any. In this case, \a handle can be \c -1 to indicate that all handles
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* should be flushed.
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*
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* \param handle File handle to write to.
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* \param buffer Pointer to buffer to read bytes to write from.
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* \param size Number of bytes to write.
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*
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* \return The number of bytes written, or \c _LLIO_ERROR on failure.
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*/
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size_t __write(int handle, const unsigned char *buffer, size_t size)
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{
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size_t nChars = 0;
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if (buffer == 0) {
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// This means that we should flush internal buffers.
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return 0;
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}
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// This implementation only writes to stdout and stderr.
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// For all other file handles, it returns failure.
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if (handle != _LLIO_STDOUT && handle != _LLIO_STDERR) {
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return _LLIO_ERROR;
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}
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for (; size != 0; --size) {
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if (ptr_put(stdio_base, *buffer++) < 0) {
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return _LLIO_ERROR;
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}
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++nChars;
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}
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return nChars;
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}
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_STD_END
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#elif (defined(__GNUC__) && !XMEGA && !MEGA)
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int __attribute__((weak))
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_write (int file, const char *ptr, int len);
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int __attribute__((weak))
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_write (int file, const char *ptr, int len)
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{
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int nChars = 0;
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if ((file != 1) && (file != 2) && (file!=3)) {
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return -1;
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}
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for (; len != 0; --len) {
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if (ptr_put(stdio_base, *ptr++) < 0) {
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return -1;
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}
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++nChars;
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}
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return nChars;
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}
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#elif (defined(__GNUC__) && (XMEGA || MEGA))
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int _write (char c, int *f);
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int _write (char c, int *f)
|
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{
|
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if (ptr_put(stdio_base, c) < 0) {
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return -1;
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}
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return 1;
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}
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#endif
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|
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/**
|
||||
* \}
|
||||
*/
|
||||
|
||||
Reference in New Issue
Block a user