122 lines
4.5 KiB
C
122 lines
4.5 KiB
C
/************************************************************************/
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/* Generic ATMEL Flash Driver */
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/* */
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/* flash.h */
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/* */
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/* Alex Forencich <alex@alexforencich.com> */
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/* */
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/* Copyright (c) 2011 Alex Forencich */
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/* */
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/* Permission is hereby granted, free of charge, to any person */
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/* obtaining a copy of this software and associated documentation */
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/* files(the "Software"), to deal in the Software without restriction, */
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/* including without limitation the rights to use, copy, modify, merge, */
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/* publish, distribute, sublicense, and/or sell copies of the Software, */
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/* and to permit persons to whom the Software is furnished to do so, */
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/* subject to the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND */
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/* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS */
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/* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN */
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/* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN */
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/* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE */
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/* SOFTWARE. */
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/* */
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/************************************************************************/
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#ifndef __FLASH_H
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#define __FLASH_H
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#ifdef __AVR_XMEGA__
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#include "sp_driver.h"
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#else // __AVR_XMEGA__
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#include <avr/boot.h>
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#endif // __AVR_XMEGA__
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#include "xboot.h"
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// offsets and addresses
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#ifndef PROGMEM_SIZE
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#define PROGMEM_SIZE (FLASHEND + 1UL)
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#endif
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#ifndef BOOT_SECTION_SIZE
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#error BOOT_SECTION_SIZE not defined!
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#endif
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#ifndef BOOT_SECTION_START
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#define BOOT_SECTION_START (PROGMEM_SIZE - BOOT_SECTION_SIZE)
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#endif
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#ifndef APP_SECTION_START
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#define APP_SECTION_START 0
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#endif
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#ifndef APP_SECTION_SIZE
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#define APP_SECTION_SIZE (PROGMEM_SIZE - BOOT_SECTION_SIZE)
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#endif
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#ifndef APP_SECTION_END
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#define APP_SECTION_END (APP_SECTION_START + APP_SECTION_SIZE - 1UL)
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#endif
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#if PROGMEM_SIZE > 0x010000
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#define PGM_READ_BYTE pgm_read_byte_far
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#define PGM_READ_WORD pgm_read_word_far
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#define PGM_READ_DWORD pgm_read_dword_far
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#else
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#define PGM_READ_BYTE pgm_read_byte_near
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#define PGM_READ_WORD pgm_read_word_near
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#define PGM_READ_DWORD pgm_read_dword_near
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#endif
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#ifdef __AVR_XMEGA__
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// XMega functions
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// (sp_driver wrapper)
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#define Flash_ReadByte SP_ReadByte
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#define Flash_ReadWord SP_ReadWord
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#define Flash_LoadFlashWord SP_LoadFlashWord
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#define Flash_EraseApplicationSection SP_EraseApplicationSection
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#define Flash_EraseApplicationPage SP_EraseApplicationPage
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#define Flash_EraseWriteApplicationPage SP_EraseWriteApplicationPage
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#define Flash_WriteApplicationPage SP_WriteApplicationPage
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#define Flash_EraseUserSignatureRow SP_EraseUserSignatureRow
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#define Flash_WriteUserSignatureRow SP_WriteUserSignatureRow
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#define Flash_LoadFlashPage SP_LoadFlashPage
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#define Flash_ReadFlashPage SP_ReadFlashPage
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#define Flash_WaitForSPM SP_WaitForSPM
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#else
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// ATMega Functions
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#define Flash_ReadByte PGM_READ_BYTE
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#define Flash_ReadWord PGM_READ_WORD
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#define Flash_LoadFlashWord boot_page_fill
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void Flash_EraseApplicationSection(void);
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#define Flash_EraseApplicationPage boot_page_erase
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void Flash_EraseWriteApplicationPage(uint32_t addr);
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#define Flash_WriteApplicationPage boot_page_write
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void Flash_LoadFlashPage(uint8_t *data);
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void Flash_ReadFlashPage(uint8_t *data, uint32_t addr);
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#define Flash_WaitForSPM boot_spm_busy_wait
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#endif // __AVR_XMEGA__
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void Flash_ProgramPage(uint32_t page, uint8_t *buf, uint8_t erase);
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#endif // __FLASH_H
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