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d4bf09480a
* Updated indentation in AVR_ATMega4809_Atmel_Studio and AVR_Dx_Atmel_Studio projects, plus small fixes in their readme files. * Added AVR_ATMega4809_IAR, AVR_ATMega4809_MPLAB.X, AVR_Dx_IAR and AVR_Dx_MPLAB.X demo projects. * Removed build artefacts and added .gitignore files in AVR_ATMega4809_MPLAB.X and AVR_Dx_MPLAB.X projects. Co-authored-by: Yuhui Zheng <10982575+yuhui-zheng@users.noreply.github.com>
81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
/**
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* \file
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*
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* \brief Configuration Change Protection write functions
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*
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(c) 2018 Microchip Technology Inc. and its subsidiaries.
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Subject to your compliance with these terms,you may use this software and
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any derivatives exclusively with Microchip products.It is your responsibility
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to comply with third party license terms applicable to your use of third party
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software (including open source software) that may accompany Microchip software.
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THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
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EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY IMPLIED
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WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR A
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PARTICULAR PURPOSE.
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IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE,
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INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND
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WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS
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BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE
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FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN
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ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
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THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
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*
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*/
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#ifndef PROTECTED_IO_H
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#define PROTECTED_IO_H
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(__DOXYGEN__)
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//! \name IAR Memory Model defines.
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//@{
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/**
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* \def CONFIG_MEMORY_MODEL_TINY
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* \brief Configuration symbol to enable 8 bit pointers.
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*
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*/
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#define CONFIG_MEMORY_MODEL_TINY
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/**
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* \def CONFIG_MEMORY_MODEL_SMALL
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* \brief Configuration symbol to enable 16 bit pointers.
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* \note If no memory model is defined, SMALL is default.
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*
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*/
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#define CONFIG_MEMORY_MODEL_SMALL
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/**
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* \def CONFIG_MEMORY_MODEL_LARGE
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* \brief Configuration symbol to enable 24 bit pointers.
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*
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*/
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#define CONFIG_MEMORY_MODEL_LARGE
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//@}
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#endif
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/**
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* \brief Write to am 8-bit I/O register protected by CCP or a protection bit
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*
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* \param addr Address of the I/O register
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* \param magic CCP magic value or Mask for protection bit
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* \param value Value to be written
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*
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* \note Using IAR Embedded workbench, the choice of memory model has an impact
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* on calling convention. The memory model is not visible to the
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* preprocessor, so it must be defined in the Assembler preprocessor directives.
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*/
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extern void protected_write_io(void *addr, uint8_t magic, uint8_t value);
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/** @} */
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#endif /* PROTECTED_IO_H */
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