parent
0a1356156e
commit
69cf079196
@ -0,0 +1,236 @@
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#include "board_config.h"
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#include "cammsys_flash.h"
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#define FLASH_PAGE_ADDR 0x00000000
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#define FLASH_PAGE_MAX 32
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#define FLASH_PAGE_SIZE 8192
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void Flash_Initialization(void)
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{
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const sys_cfg_t sys_flash_cfg = NULL;
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FLC_Init(&sys_flash_cfg);
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}
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/*
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APIs
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*/
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int flash_verify(uint32_t address, uint32_t length, uint8_t *data)
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{
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volatile uint8_t *ptr;
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for (ptr = (uint8_t *)address; ptr < (uint8_t *)(address + length); ptr++, data++) {
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if (*ptr != *data) {
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// printf("Verify failed at 0x%x (0x%x != 0x%x)\n", (unsigned int)ptr, (unsigned int)*ptr, (unsigned int)*data);
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return E_UNKNOWN;
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}
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}
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return E_NO_ERROR;
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}
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/******************************************************************************/
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int flash_uninit(void)
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{
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FLC_ClearFlags(MXC_F_FLC_INTR_DONE | MXC_F_FLC_INTR_AF);
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return 0; // Finished without Errors
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}
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/******************************************************************************/
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/*
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* Erase complete Flash Memory
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* Return Value: 0 - OK, 1 - Failed
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*/
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int flash_erase_chip(void)
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{
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return FLC_MassErase();
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}
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/******************************************************************************/
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/*
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* Erase given page address in Flash Memory
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* Parameter: address: Sector Address
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* Return Value: 0 - OK, 1 - Failed
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*/
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int flash_erase_page(unsigned long address)
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{
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return FLC_PageErase(address);
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}
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int flash_program_page(unsigned long address, unsigned long size, unsigned char *buffer8)
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{
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uint32_t dest_addr;
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int i = 0;
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uint32_t *buffer32 = (uint32_t *)buffer8;
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for (dest_addr = address; dest_addr < (address + size); dest_addr += 4) {
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// Write a word
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if (FLC_Write32(dest_addr, buffer32[i]) != E_NO_ERROR) {
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// printf("Failure in writing a word.\n");
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break;
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}
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i++;
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}
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// Verify if page is written properly
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if (flash_verify(address, size, (uint8_t*)buffer8) != E_NO_ERROR) {
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//printf("%ld bytes are not written properly.\n", size);
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return -1;
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}
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// printf("* %d data succefully written to address %X, and verified.\n", size, address);
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return 0;
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}
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int Flash_Check_Mem(uint32_t startaddr, uint32_t length, uint32_t data)
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{
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uint32_t *ptr;
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for (ptr = (uint32_t *)startaddr; ptr < (uint32_t *)(startaddr + length); ptr++)
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{
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if (*ptr != data)
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{
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return false;
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}
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}
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return true;
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}
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bool Flash_Erase(uint32_t Address, uint32_t length)
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{
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bool ret = false;
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uint32_t i;
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int16_t start_page_num = -1;
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volatile uint32_t page_count = 0;
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uint8_t retrycount;
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for (i=0; i<FLASH_PAGE_MAX; i++)
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{
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if (flashInPage(i, Address, length) == true)
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{
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if (start_page_num < 0)
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{
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start_page_num = i;
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}
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page_count++;
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}
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}
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if (page_count > 0)
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{
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int i;
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int delayCount;
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for (i = 0 ; i < page_count ; i++)
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{
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if(flash_erase_page(((start_page_num + i) * FLASH_PAGE_SIZE)) != E_NO_ERROR)
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{
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flash_uninit();
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return false;
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}
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if(Flash_Check_Mem(((start_page_num + i) * FLASH_PAGE_SIZE), FLASH_PAGE_SIZE, 0xFFFFFFFF) == false)
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{
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flash_uninit();
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return false;
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}
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}
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ret = true;
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}
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return ret;
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}
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bool flashInPage(uint16_t sector_num, uint32_t addr, uint32_t length)
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{
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bool ret = false;
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uint32_t sector_start;
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uint32_t sector_end;
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uint32_t flash_start;
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uint32_t flash_end;
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sector_start = FLASH_PAGE_ADDR + (sector_num * FLASH_PAGE_SIZE);
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sector_end = sector_start + FLASH_PAGE_SIZE - 1;
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flash_start = addr;
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flash_end = addr + length - 1;
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if (sector_start >= flash_start && sector_start <= flash_end)
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{
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ret = true;
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}
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if (sector_end >= flash_start && sector_end <= flash_end)
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{
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ret = true;
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}
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if (flash_start >= sector_start && flash_start <= sector_end)
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{
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ret = true;
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}
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if (flash_end >= sector_start && flash_end <= sector_end)
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{
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ret = true;
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}
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return ret;
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}
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bool Flash_Write(uint32_t addr, uint8_t *p_data, uint32_t length)
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{
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bool ret = true;
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if (addr%4 != 0)
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{
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return false;
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}
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if(flash_program_page(addr, length, p_data) != E_NO_ERROR)
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{
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return false;
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}
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return ret;
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}
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@ -0,0 +1,25 @@
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/** \file cammsys_flash.h */
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#if !defined(CAMMSYS_FLASH_H__D6BE3B3A_5B0B_4307_A526_9F29866A6975__INCLUDED_)
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#define CAMMSYS_FLASH_H__D6BE3B3A_5B0B_4307_A526_9F29866A6975__INCLUDED_
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#include <stdint.h>
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#include <stdbool.h>
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void Flash_Initialization(void);
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int flash_verify(uint32_t address, uint32_t length, uint8_t *data);
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int flash_uninit(void);
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int flash_erase_chip(void);
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int flash_erase_page(unsigned long address);
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int flash_program_page(unsigned long address, unsigned long size, unsigned char *buffer8);
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int Flash_Check_Mem(uint32_t startaddr, uint32_t length, uint32_t data);
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bool Flash_Erase(uint32_t Address, uint32_t length);
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bool flashInPage(uint16_t sector_num, uint32_t addr, uint32_t length);
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bool Flash_Write(uint32_t addr, uint8_t *p_data, uint32_t length);
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#endif
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@ -0,0 +1,826 @@
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/**
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******************************************************************************
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* @file EEPROM/EEPROM_Emulation/src/eeprom.c
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* @author MCD Application Team
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* @brief This file provides all the EEPROM emulation firmware functions.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2017 STMicroelectronics International N.V.
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* All rights reserved.</center></h2>
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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. Redistribution 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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* 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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* 3. Neither the name of STMicroelectronics nor the names of other
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* contributors to this software may be used to endorse or promote products
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* derived from this software without specific written permission.
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* 4. This software, including modifications and/or derivative works of this
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* software, must execute solely and exclusively on microcontroller or
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* microprocessor devices manufactured by or for STMicroelectronics.
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* 5. Redistribution and use of this software other than as permitted under
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* this license is void and will automatically terminate your rights under
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* this license.
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*
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* THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
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* RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
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* SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/** @addtogroup EEPROM_Emulation
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* @{
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "board_config.h"
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#include "cammsys_flash.h"
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#include "eeprom.h"
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#include "eeprom_address.h"
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Global variable used to store variable value in read sequence */
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uint16_t DataVar = 0;
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/* Virtual address defined by the user: 0xFFFF value is prohibited */
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/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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static uint32_t EE_Format(void);
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static uint32_t EE_FindValidPage(uint8_t Operation);
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static uint32_t EE_VerifyPageFullWriteVariable(uint16_t VirtAddress, uint16_t Data);
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static uint32_t EE_PageTransfer(uint16_t VirtAddress, uint16_t Data);
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static uint32_t EE_Transfer_Write_Variable(uint32_t writeaddress, uint16_t VirtAddress, uint16_t Data);
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static uint32_t EE_VerifyPageFullyErased(uint32_t Address);
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static uint32_t EE_WriteData(uint32_t address, uint32_t data);
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uint32_t EE_EraseAll()
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{
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if (flash_erase_page(PAGE0_BASE_ADDRESS) != E_NO_ERROR)
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return EE_ERROR;
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if (flash_erase_page(PAGE1_BASE_ADDRESS) != E_NO_ERROR)
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return EE_ERROR;
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return EE_OK;
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}
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/**
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* @brief Restore the pages to a known good state in case of page's status
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* corruption after a power loss.
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* @param None.
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* @retval - Flash error code: on write Flash error
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* - FLASH_COMPLETE: on success
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*/
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uint32_t EE_Init(void)
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{
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uint32_t PageStatus0 = 6, PageStatus1 = 6;
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uint16_t VarIdx = 0;
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uint32_t EepromStatus = 0, ReadStatus = 0;
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int16_t x = -1;
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uint32_t FlashStatus;
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uint32_t SectorError = 0;
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Flash_Initialization();
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/* Get Page0 status */
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PageStatus0 = (*(__IO uint32_t*)PAGE0_BASE_ADDRESS);
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/* Get Page1 status */
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PageStatus1 = (*(__IO uint32_t*)PAGE1_BASE_ADDRESS);
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/* Check for invalid header states and repair if necessary */
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switch (PageStatus0)
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{
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case ERASED:
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if (PageStatus1 == VALID_PAGE) /* Page0 erased, Page1 valid */
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{
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/* Erase Page0 */
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if(!EE_VerifyPageFullyErased(PAGE0_BASE_ADDRESS))
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{
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if (flash_erase_page(PAGE0_BASE_ADDRESS) != E_NO_ERROR)
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return EE_ERROR;
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}
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}
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else if (PageStatus1 == RECEIVE_DATA) /* Page0 erased, Page1 receive */
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{
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/* Erase Page0 */
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if(!EE_VerifyPageFullyErased(PAGE0_BASE_ADDRESS))
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{
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if (flash_erase_page(PAGE0_BASE_ADDRESS) != E_NO_ERROR)
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return EE_ERROR;
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}
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/* Mark Page1 as valid */
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FlashStatus = EE_WriteData(PAGE1_BASE_ADDRESS, VALID_PAGE);
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if (FlashStatus != EE_OK)
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return FlashStatus;
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}
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else /* First EEPROM access (Page0&1 are erased) or invalid state -> format EEPROM */
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{
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/* Erase both Page0 and Page1 and set Page0 as valid page */
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FlashStatus = EE_Format();
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if (FlashStatus != EE_OK)
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return FlashStatus;
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}
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break;
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case RECEIVE_DATA:
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if (PageStatus1 == VALID_PAGE) /* Page0 receive, Page1 valid */
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{
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/* Transfer data from Page1 to Page0 */
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EE_Item eeItem;
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for (VarIdx = 0; VarIdx < EE_INDEX_MAX; VarIdx++)
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{
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eeItem.buf = *(__IO uint32_t*)(PAGE0_BASE_ADDRESS+4);
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if (eeItem.index == VarIdx)
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{
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x = VarIdx;
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}
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if (VarIdx != x)
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{
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/* Read the last variables' updates */
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ReadStatus = EE_ReadVariable(VarIdx, &DataVar);
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/* In case variable corresponding to the virtual address was found */
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if (ReadStatus != 0x1)
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{
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/* Transfer the variable to the Page0 */
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EepromStatus = EE_VerifyPageFullWriteVariable(VarIdx, DataVar);
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/* If program operation was failed, a Flash error code is returned */
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if (EepromStatus != EE_OK)
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{
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return EepromStatus;
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}
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}
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}
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}
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/* Mark Page0 as valid */
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FlashStatus = EE_WriteData(PAGE0_BASE_ADDRESS, VALID_PAGE);
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/* If program operation was failed, a Flash error code is returned */
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if (FlashStatus != EE_OK)
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return FlashStatus;
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/* Erase Page1 */
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if(!EE_VerifyPageFullyErased(PAGE1_BASE_ADDRESS))
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{
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if (flash_erase_page(PAGE1_BASE_ADDRESS) != E_NO_ERROR)
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return EE_ERROR;
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}
|
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}
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else if (PageStatus1 == ERASED) /* Page0 receive, Page1 erased */
|
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{
|
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/* Erase Page1 */
|
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if(!EE_VerifyPageFullyErased(PAGE1_BASE_ADDRESS))
|
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{
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if (flash_erase_page(PAGE1_BASE_ADDRESS) != E_NO_ERROR)
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return EE_ERROR;
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}
|
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/* Mark Page0 as valid */
|
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FlashStatus = EE_WriteData(PAGE0_BASE_ADDRESS, VALID_PAGE);
|
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/* If program operation was failed, a Flash error code is returned */
|
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if (FlashStatus != EE_OK)
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return FlashStatus;
|
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}
|
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else /* Invalid state -> format eeprom */
|
||||
{
|
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/* Erase both Page0 and Page1 and set Page0 as valid page */
|
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FlashStatus = EE_Format();
|
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/* If erase/program operation was failed, a Flash error code is returned */
|
||||
if (FlashStatus != EE_OK)
|
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{
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return FlashStatus;
|
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}
|
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}
|
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break;
|
||||
|
||||
case VALID_PAGE:
|
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if (PageStatus1 == VALID_PAGE) /* Invalid state -> format eeprom */
|
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{
|
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/* Erase both Page0 and Page1 and set Page0 as valid page */
|
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FlashStatus = EE_Format();
|
||||
/* If erase/program operation was failed, a Flash error code is returned */
|
||||
if (FlashStatus != EE_OK)
|
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{
|
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return FlashStatus;
|
||||
}
|
||||
}
|
||||
else if (PageStatus1 == ERASED) /* Page0 valid, Page1 erased */
|
||||
{
|
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/* Erase Page1 */
|
||||
if(!EE_VerifyPageFullyErased(PAGE1_BASE_ADDRESS))
|
||||
{
|
||||
if (flash_erase_page(PAGE1_BASE_ADDRESS) != E_NO_ERROR)
|
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return EE_ERROR;
|
||||
}
|
||||
}
|
||||
else /* Page0 valid, Page1 receive */
|
||||
{
|
||||
/* Transfer data from Page0 to Page1 */
|
||||
EE_Item eeItem;
|
||||
for (VarIdx = 0; VarIdx < EE_INDEX_MAX; VarIdx++)
|
||||
{
|
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eeItem.buf = *(__IO uint32_t*)(PAGE1_BASE_ADDRESS + 4);
|
||||
if (eeItem.index == VarIdx)
|
||||
{
|
||||
x = VarIdx;
|
||||
}
|
||||
if (VarIdx != x)
|
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{
|
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/* Read the last variables' updates */
|
||||
ReadStatus = EE_ReadVariable(VarIdx, &DataVar);
|
||||
/* In case variable corresponding to the virtual address was found */
|
||||
if (ReadStatus != 0x1)
|
||||
{
|
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/* Transfer the variable to the Page1 */
|
||||
EepromStatus = EE_VerifyPageFullWriteVariable(VarIdx, DataVar);
|
||||
/* If program operation was failed, a Flash error code is returned */
|
||||
if (EepromStatus != EE_OK)
|
||||
{
|
||||
return EepromStatus;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
/* Mark Page1 as valid */
|
||||
FlashStatus = EE_WriteData(PAGE1_BASE_ADDRESS, VALID_PAGE);
|
||||
/* If program operation was failed, a Flash error code is returned */
|
||||
if (FlashStatus != EE_OK)
|
||||
return FlashStatus;
|
||||
|
||||
/* Erase Page0 */
|
||||
if(!EE_VerifyPageFullyErased(PAGE0_BASE_ADDRESS))
|
||||
{
|
||||
if (flash_erase_page(PAGE0_BASE_ADDRESS) != E_NO_ERROR)
|
||||
return EE_ERROR;
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
default: /* Any other state -> format eeprom */
|
||||
/* Erase both Page0 and Page1 and set Page0 as valid page */
|
||||
FlashStatus = EE_Format();
|
||||
/* If erase/program operation was failed, a Flash error code is returned */
|
||||
if (FlashStatus != EE_OK)
|
||||
{
|
||||
return FlashStatus;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
return EE_OK;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Verify if specified page is fully erased.
|
||||
* @param Address: page address
|
||||
* This parameter can be one of the following values:
|
||||
* @arg PAGE0_BASE_ADDRESS: Page0 base address
|
||||
* @arg PAGE1_BASE_ADDRESS: Page1 base address
|
||||
* @retval page fully erased status:
|
||||
* - 0: if Page not erased
|
||||
* - 1: if Page erased
|
||||
*/
|
||||
uint32_t EE_VerifyPageFullyErased(uint32_t Address)
|
||||
{
|
||||
uint32_t ReadStatus = 1;
|
||||
uint32_t AddressValue = 0x5555;
|
||||
uint32_t endAddress = 0;
|
||||
EE_Item eeItem;
|
||||
|
||||
if (Address == PAGE0_BASE_ADDRESS)
|
||||
endAddress = PAGE0_END_ADDRESS;
|
||||
else if (Address == PAGE1_BASE_ADDRESS)
|
||||
endAddress = PAGE1_END_ADDRESS;
|
||||
|
||||
/* Check each active page address starting from end */
|
||||
while (Address < endAddress)
|
||||
{
|
||||
/* Get the current location content to be compared with virtual address */
|
||||
AddressValue = (*(__IO uint32_t*)Address);
|
||||
|
||||
/* Compare the read address with the virtual address */
|
||||
if (AddressValue != ERASED)
|
||||
{
|
||||
/* In case variable value is read, reset ReadStatus flag */
|
||||
ReadStatus = 0;
|
||||
|
||||
break;
|
||||
}
|
||||
/* Next address location */
|
||||
Address = Address + 4;
|
||||
}
|
||||
|
||||
/* Return ReadStatus value: (0: Page not erased, 1: Sector erased) */
|
||||
return ReadStatus;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Returns the last stored variable data, if found, which correspond to
|
||||
* the passed virtual address
|
||||
* @param VirtAddress: Variable virtual address
|
||||
* @param Data: Global variable contains the read variable value
|
||||
* @retval Success or error status:
|
||||
* - 0: if variable was found
|
||||
* - 1: if the variable was not found
|
||||
* - NO_VALID_PAGE: if no valid page was found.
|
||||
*/
|
||||
uint32_t EE_ReadVariable(uint16_t VirtAddress, uint16_t* Data)
|
||||
{
|
||||
uint32_t ValidPage = PAGE0;
|
||||
uint32_t AddressValue = 0x5555, ReadStatus = 1;
|
||||
uint32_t Address = EEPROM_START_ADDRESS, PageStartAddress = EEPROM_START_ADDRESS;
|
||||
EE_Item eeItem;
|
||||
|
||||
/* Get active Page for read operation */
|
||||
ValidPage = EE_FindValidPage(READ_FROM_VALID_PAGE);
|
||||
|
||||
/* Check if there is no valid page */
|
||||
if (ValidPage == NO_VALID_PAGE)
|
||||
{
|
||||
return NO_VALID_PAGE;
|
||||
}
|
||||
|
||||
/* Get the valid Page start Address */
|
||||
PageStartAddress = (uint32_t)(EEPROM_START_ADDRESS + (uint32_t)(ValidPage * PAGE_SIZE));
|
||||
|
||||
/* Get the valid Page end Address */
|
||||
Address = (uint32_t)((EEPROM_START_ADDRESS - 4) + (uint32_t)((1 + ValidPage) * PAGE_SIZE));
|
||||
|
||||
/* Check each active page address starting from end */
|
||||
while (Address >= (PageStartAddress + 4))
|
||||
{
|
||||
/* Get the current location content to be compared with virtual address */
|
||||
eeItem.buf = (*(__IO uint32_t*)Address);
|
||||
|
||||
/* Compare the read address with the virtual address */
|
||||
if (eeItem.index == VirtAddress)
|
||||
{
|
||||
/* Get content of Address-2 which is variable value */
|
||||
*Data = eeItem.data;
|
||||
|
||||
/* In case variable value is read, reset ReadStatus flag */
|
||||
ReadStatus = 0;
|
||||
|
||||
break;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Next address location */
|
||||
Address = Address - 4;
|
||||
}
|
||||
}
|
||||
|
||||
/* Return ReadStatus value: (0: variable exist, 1: variable doesn't exist) */
|
||||
return ReadStatus;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @brief Writes/upadtes variable data in EEPROM.
|
||||
* @param VirtAddress: Variable virtual address
|
||||
* @param Data: 16 bit data to be written
|
||||
* @retval Success or error status:
|
||||
* - FLASH_COMPLETE: on success
|
||||
* - PAGE_FULL: if valid page is full
|
||||
* - NO_VALID_PAGE: if no valid page was found
|
||||
* - Flash error code: on write Flash error
|
||||
*/
|
||||
uint32_t EE_WriteVariable(uint16_t VirtAddress, uint16_t Data)
|
||||
{
|
||||
uint32_t Status = 0;
|
||||
|
||||
/* Write the variable virtual address and value in the EEPROM */
|
||||
Status = EE_VerifyPageFullWriteVariable(VirtAddress, Data);
|
||||
|
||||
/* In case the EEPROM active page is full */
|
||||
if (Status == PAGE_FULL)
|
||||
{
|
||||
/* Perform Page transfer */
|
||||
Status = EE_PageTransfer(VirtAddress, Data);
|
||||
}
|
||||
|
||||
/* Return last operation status */
|
||||
return Status;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Erases PAGE and PAGE1 and writes VALID_PAGE header to PAGE
|
||||
* @param None
|
||||
* @retval Status of the last operation (Flash write or erase) done during
|
||||
* EEPROM formating
|
||||
*/
|
||||
static uint32_t EE_Format(void)
|
||||
{
|
||||
uint32_t FlashStatus = EE_OK;
|
||||
uint32_t SectorError = 0;
|
||||
|
||||
/* Erase Page0 */
|
||||
if(!EE_VerifyPageFullyErased(PAGE0_BASE_ADDRESS))
|
||||
{
|
||||
if (flash_erase_page(PAGE0_BASE_ADDRESS) != E_NO_ERROR)
|
||||
return EE_ERROR;
|
||||
}
|
||||
/* Set Page0 as valid page: Write VALID_PAGE at Page0 base address */
|
||||
FlashStatus = EE_WriteData(PAGE0_BASE_ADDRESS, VALID_PAGE);
|
||||
/* If program operation was failed, a Flash error code is returned */
|
||||
if (FlashStatus != EE_OK)
|
||||
return FlashStatus;
|
||||
|
||||
/* Erase Page1 */
|
||||
if(!EE_VerifyPageFullyErased(PAGE1_BASE_ADDRESS))
|
||||
{
|
||||
if (flash_erase_page(PAGE1_BASE_ADDRESS) != E_NO_ERROR)
|
||||
return EE_ERROR;
|
||||
}
|
||||
|
||||
return EE_OK;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Find valid Page for write or read operation
|
||||
* @param Operation: operation to achieve on the valid page.
|
||||
* This parameter can be one of the following values:
|
||||
* @arg READ_FROM_VALID_PAGE: read operation from valid page
|
||||
* @arg WRITE_IN_VALID_PAGE: write operation from valid page
|
||||
* @retval Valid page number (PAGE or PAGE1) or NO_VALID_PAGE in case
|
||||
* of no valid page was found
|
||||
*/
|
||||
static uint32_t EE_FindValidPage(uint8_t Operation)
|
||||
{
|
||||
uint32_t PageStatus0 = 6, PageStatus1 = 6;
|
||||
|
||||
/* Get Page0 actual status */
|
||||
PageStatus0 = (*(__IO uint32_t*)PAGE0_BASE_ADDRESS);
|
||||
|
||||
/* Get Page1 actual status */
|
||||
PageStatus1 = (*(__IO uint32_t*)PAGE1_BASE_ADDRESS);
|
||||
|
||||
/* Write or read operation */
|
||||
switch (Operation)
|
||||
{
|
||||
case WRITE_IN_VALID_PAGE: /* ---- Write operation ---- */
|
||||
if (PageStatus1 == VALID_PAGE)
|
||||
{
|
||||
/* Page0 receiving data */
|
||||
if (PageStatus0 == RECEIVE_DATA)
|
||||
{
|
||||
return PAGE0; /* Page0 valid */
|
||||
}
|
||||
else
|
||||
{
|
||||
return PAGE1; /* Page1 valid */
|
||||
}
|
||||
}
|
||||
else if (PageStatus0 == VALID_PAGE)
|
||||
{
|
||||
/* Page1 receiving data */
|
||||
if (PageStatus1 == RECEIVE_DATA)
|
||||
{
|
||||
return PAGE1; /* Page1 valid */
|
||||
}
|
||||
else
|
||||
{
|
||||
return PAGE0; /* Page0 valid */
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
return NO_VALID_PAGE; /* No valid Page */
|
||||
}
|
||||
|
||||
case READ_FROM_VALID_PAGE: /* ---- Read operation ---- */
|
||||
if (PageStatus0 == VALID_PAGE)
|
||||
{
|
||||
return PAGE0; /* Page0 valid */
|
||||
}
|
||||
else if (PageStatus1 == VALID_PAGE)
|
||||
{
|
||||
return PAGE1; /* Page1 valid */
|
||||
}
|
||||
else
|
||||
{
|
||||
return NO_VALID_PAGE ; /* No valid Page */
|
||||
}
|
||||
|
||||
default:
|
||||
return PAGE0; /* Page0 valid */
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Verify if active page is full and Writes variable in EEPROM.
|
||||
* @param VirtAddress: 16 bit virtual address of the variable
|
||||
* @param Data: 16 bit data to be written as variable value
|
||||
* @retval Success or error status:
|
||||
* - FLASH_COMPLETE: on success
|
||||
* - PAGE_FULL: if valid page is full
|
||||
* - NO_VALID_PAGE: if no valid page was found
|
||||
* - Flash error code: on write Flash error
|
||||
*/
|
||||
|
||||
static uint32_t EE_VerifyPageFullWriteVariable(uint16_t VirtAddress, uint16_t Data)
|
||||
{
|
||||
uint32_t FlashStatus = EE_OK;
|
||||
uint32_t ValidPage = PAGE0;
|
||||
uint32_t Address = EEPROM_START_ADDRESS, PageEndAddress = EEPROM_START_ADDRESS+PAGE_SIZE;
|
||||
|
||||
/* Get valid Page for write operation */
|
||||
ValidPage = EE_FindValidPage(WRITE_IN_VALID_PAGE);
|
||||
|
||||
/* Check if there is no valid page */
|
||||
if (ValidPage == NO_VALID_PAGE)
|
||||
{
|
||||
return NO_VALID_PAGE;
|
||||
}
|
||||
|
||||
/* Get the valid Page start Address */
|
||||
Address = (uint32_t)(EEPROM_START_ADDRESS + (uint32_t)(ValidPage * PAGE_SIZE) + 4);
|
||||
|
||||
/* Get the valid Page end Address */
|
||||
PageEndAddress = (uint32_t)((EEPROM_START_ADDRESS - 4) + (uint32_t)((ValidPage + 1) * PAGE_SIZE));
|
||||
|
||||
/* Check each active page address starting from begining */
|
||||
while (Address <= PageEndAddress)
|
||||
{
|
||||
/* Verify if Address and Address+2 contents are 0xFFFFFFFF */
|
||||
if ((*(__IO uint32_t*)Address) == ERASED)
|
||||
{
|
||||
EE_Item eeItem;
|
||||
eeItem.index = VirtAddress;
|
||||
eeItem.data = Data;
|
||||
|
||||
/* Set variable data */
|
||||
FlashStatus = EE_WriteData(Address, eeItem.buf);
|
||||
|
||||
return FlashStatus;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Next address location */
|
||||
Address = Address + 4;
|
||||
}
|
||||
}
|
||||
|
||||
/* Return PAGE_FULL in case the valid page is full */
|
||||
return PAGE_FULL;
|
||||
}
|
||||
|
||||
static uint32_t EE_Transfer_Write_Variable(uint32_t writeaddress, uint16_t VirtAddress, uint16_t Data)
|
||||
{
|
||||
uint32_t FlashStatus = EE_OK;
|
||||
uint32_t ValidPage = PAGE0;
|
||||
uint32_t Address = writeaddress, PageEndAddress = writeaddress+PAGE_SIZE;
|
||||
|
||||
/* Check each active page address starting from begining */
|
||||
while (Address <= PageEndAddress)
|
||||
{
|
||||
/* Verify if Address and Address+2 contents are 0xFFFFFFFF */
|
||||
if ((*(__IO uint32_t*)Address) == ERASED)
|
||||
{
|
||||
EE_Item eeItem;
|
||||
eeItem.index = VirtAddress;
|
||||
eeItem.data = Data;
|
||||
|
||||
/* Set variable data */
|
||||
FlashStatus = EE_WriteData(Address, eeItem.buf);
|
||||
|
||||
return FlashStatus;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Next address location */
|
||||
Address = Address + 4;
|
||||
}
|
||||
}
|
||||
|
||||
/* Return PAGE_FULL in case the valid page is full */
|
||||
return PAGE_FULL;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @brief Returns the last stored variable data, if found, which correspond to
|
||||
* the passed virtual address
|
||||
* @param VirtAddress: Variable virtual address
|
||||
* @param Data: Global variable contains the read variable value
|
||||
* @retval Success or error status:
|
||||
* - 0: if variable was found
|
||||
* - 1: if the variable was not found
|
||||
* - NO_VALID_PAGE: if no valid page was found.
|
||||
*/
|
||||
static uint32_t EE_Transfer_ReadVariable(uint32_t OldAddress, uint16_t VirtAddress, uint16_t* Data)
|
||||
{
|
||||
uint32_t ValidPage = PAGE0;
|
||||
uint32_t AddressValue = 0x5555, ReadStatus = 1;
|
||||
uint32_t Address = EEPROM_START_ADDRESS, PageStartAddress = EEPROM_START_ADDRESS;
|
||||
EE_Item eeItem;
|
||||
|
||||
/* Get the valid Page start Address */
|
||||
PageStartAddress = OldAddress;
|
||||
|
||||
/* Get the valid Page end Address */
|
||||
Address = (uint32_t)((PageStartAddress - 4) + (uint32_t)PAGE_SIZE);
|
||||
|
||||
/* Check each active page address starting from end */
|
||||
while (Address >= (PageStartAddress + 4))
|
||||
{
|
||||
/* Get the current location content to be compared with virtual address */
|
||||
eeItem.buf = (*(__IO uint32_t*)Address);
|
||||
|
||||
/* Compare the read address with the virtual address */
|
||||
if (eeItem.index == VirtAddress)
|
||||
{
|
||||
/* Get content of Address-2 which is variable value */
|
||||
*Data = eeItem.data;
|
||||
|
||||
/* In case variable value is read, reset ReadStatus flag */
|
||||
ReadStatus = 0;
|
||||
|
||||
break;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Next address location */
|
||||
Address = Address - 4;
|
||||
}
|
||||
}
|
||||
|
||||
/* Return ReadStatus value: (0: variable exist, 1: variable doesn't exist) */
|
||||
return ReadStatus;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* @brief Transfers last updated variables data from the full Page to
|
||||
* an empty one.
|
||||
* @param VirtAddress: 16 bit virtual address of the variable
|
||||
* @param Data: 16 bit data to be written as variable value
|
||||
* @retval Success or error status:
|
||||
* - FLASH_COMPLETE: on success
|
||||
* - PAGE_FULL: if valid page is full
|
||||
* - NO_VALID_PAGE: if no valid page was found
|
||||
* - Flash error code: on write Flash error
|
||||
*/
|
||||
static uint32_t EE_PageTransfer(uint16_t VirtAddress, uint16_t Data)
|
||||
{
|
||||
uint32_t FlashStatus = EE_OK;
|
||||
uint32_t NewPageAddress = EEPROM_START_ADDRESS;
|
||||
uint32_t OldPageAddress = EEPROM_START_ADDRESS;
|
||||
uint16_t OldPageId=0;
|
||||
uint16_t ValidPage = PAGE0, VarIdx = 0;
|
||||
uint32_t EepromStatus = 0, ReadStatus = 0;
|
||||
uint32_t SectorError = 0;
|
||||
|
||||
/* Get active Page for read operation */
|
||||
ValidPage = EE_FindValidPage(READ_FROM_VALID_PAGE);
|
||||
|
||||
if (ValidPage == PAGE1) /* Page1 valid */
|
||||
{
|
||||
/* New page address where variable will be moved to */
|
||||
NewPageAddress = PAGE0_BASE_ADDRESS;
|
||||
|
||||
/* Old page ID where variable will be taken from */
|
||||
OldPageId = PAGE1_ID;
|
||||
OldPageAddress = PAGE1_BASE_ADDRESS;
|
||||
}
|
||||
else if (ValidPage == PAGE0) /* Page0 valid */
|
||||
{
|
||||
/* New page address where variable will be moved to */
|
||||
NewPageAddress = PAGE1_BASE_ADDRESS;
|
||||
|
||||
/* Old page ID where variable will be taken from */
|
||||
OldPageId = PAGE0_ID;
|
||||
OldPageAddress = PAGE0_BASE_ADDRESS;
|
||||
}
|
||||
else
|
||||
{
|
||||
return NO_VALID_PAGE; /* No valid Page */
|
||||
}
|
||||
|
||||
/* Set the new Page status to RECEIVE_DATA status */
|
||||
FlashStatus = EE_WriteData(NewPageAddress, VALID_PAGE);
|
||||
/* If program operation was failed, a Flash error code is returned */
|
||||
if (FlashStatus != EE_OK)
|
||||
return FlashStatus;
|
||||
|
||||
/* Write the variable passed as parameter in the new active page */
|
||||
EepromStatus = EE_Transfer_Write_Variable(NewPageAddress, VirtAddress, Data);
|
||||
/* If program operation was failed, a Flash error code is returned */
|
||||
if (EepromStatus != EE_OK)
|
||||
{
|
||||
return EepromStatus;
|
||||
}
|
||||
|
||||
/* Transfer process: transfer variables from old to the new active page */
|
||||
for (VarIdx = 0; VarIdx < EE_INDEX_MAX; VarIdx++)
|
||||
{
|
||||
if (VarIdx != VirtAddress) /* Check each variable except the one passed as parameter */
|
||||
{
|
||||
/* Read the other last variable updates */
|
||||
ReadStatus = EE_Transfer_ReadVariable(OldPageAddress, VarIdx, &DataVar);
|
||||
/* In case variable corresponding to the virtual address was found */
|
||||
if (ReadStatus != 0x1)
|
||||
{
|
||||
/* Transfer the variable to the new active page */
|
||||
EepromStatus = EE_Transfer_Write_Variable(NewPageAddress, VarIdx, DataVar);
|
||||
/* If program operation was failed, a Flash error code is returned */
|
||||
if (EepromStatus != EE_OK)
|
||||
{
|
||||
return EepromStatus;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Erase the old Page: Set old Page status to ERASED status */
|
||||
if (flash_erase_page(OldPageAddress) != E_NO_ERROR)
|
||||
return EE_ERROR;
|
||||
|
||||
/* Return last operation flash status */
|
||||
return FlashStatus;
|
||||
|
||||
#if 0
|
||||
|
||||
/* Set the new Page status to RECEIVE_DATA status */
|
||||
FlashStatus = EE_WriteData(NewPageAddress, RECEIVE_DATA);
|
||||
/* If program operation was failed, a Flash error code is returned */
|
||||
if (FlashStatus != EE_OK)
|
||||
return FlashStatus;
|
||||
|
||||
/* Write the variable passed as parameter in the new active page */
|
||||
EepromStatus = EE_VerifyPageFullWriteVariable(VirtAddress, Data);
|
||||
/* If program operation was failed, a Flash error code is returned */
|
||||
if (EepromStatus != EE_OK)
|
||||
{
|
||||
return EepromStatus;
|
||||
}
|
||||
|
||||
/* Transfer process: transfer variables from old to the new active page */
|
||||
for (VarIdx = 0; VarIdx < NB_OF_VAR; VarIdx++)
|
||||
{
|
||||
if (VirtAddVarTab[VarIdx] != VirtAddress) /* Check each variable except the one passed as parameter */
|
||||
{
|
||||
/* Read the other last variable updates */
|
||||
ReadStatus = EE_ReadVariable(VirtAddVarTab[VarIdx], &DataVar);
|
||||
/* In case variable corresponding to the virtual address was found */
|
||||
if (ReadStatus != 0x1)
|
||||
{
|
||||
/* Transfer the variable to the new active page */
|
||||
EepromStatus = EE_VerifyPageFullWriteVariable(VirtAddVarTab[VarIdx], DataVar);
|
||||
/* If program operation was failed, a Flash error code is returned */
|
||||
if (EepromStatus != EE_OK)
|
||||
{
|
||||
return EepromStatus;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Erase the old Page: Set old Page status to ERASED status */
|
||||
if (flash_erase_page(OldPageAddress) != E_NO_ERROR)
|
||||
return EE_ERROR;
|
||||
|
||||
/* Set new Page status to VALID_PAGE status */
|
||||
FlashStatus = EE_WriteData(NewPageAddress, VALID_PAGE);
|
||||
/* If program operation was failed, a Flash error code is returned */
|
||||
if (FlashStatus != EE_OK)
|
||||
return FlashStatus;
|
||||
|
||||
/* Return last operation flash status */
|
||||
return FlashStatus;
|
||||
#endif
|
||||
}
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
|
||||
static uint32_t EE_WriteData(uint32_t address, uint32_t data)
|
||||
{
|
||||
return (Flash_Write(address, (uint8_t *)&data, 4) ? EE_OK : EE_ERROR);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
|
||||
@ -0,0 +1,125 @@
|
||||
/**
|
||||
******************************************************************************
|
||||
* @file EEPROM/EEPROM_Emulation/inc/eeprom.h
|
||||
* @author MCD Application Team
|
||||
* @brief This file contains all the functions prototypes for the EEPROM
|
||||
* emulation firmware library.
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* <h2><center>© Copyright (c) 2017 STMicroelectronics International N.V.
|
||||
* All rights reserved.</center></h2>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted, provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistribution 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. Neither the name of STMicroelectronics nor the names of other
|
||||
* contributors to this software may be used to endorse or promote products
|
||||
* derived from this software without specific written permission.
|
||||
* 4. This software, including modifications and/or derivative works of this
|
||||
* software, must execute solely and exclusively on microcontroller or
|
||||
* microprocessor devices manufactured by or for STMicroelectronics.
|
||||
* 5. Redistribution and use of this software other than as permitted under
|
||||
* this license is void and will automatically terminate your rights under
|
||||
* this license.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
|
||||
* PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
|
||||
* RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
|
||||
* SHALL STMICROELECTRONICS OR CONTRIBUTORS 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.
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
|
||||
/* Define to prevent recursive inclusion -------------------------------------*/
|
||||
#ifndef __EEPROM_H
|
||||
#define __EEPROM_H
|
||||
|
||||
/* Includes ------------------------------------------------------------------*/
|
||||
|
||||
/* Exported constants --------------------------------------------------------*/
|
||||
/* EEPROM emulation firmware error codes */
|
||||
#define HAL_OK (uint32_t)0
|
||||
#define EE_OK (uint32_t)0
|
||||
#define EE_ERROR (uint32_t)1
|
||||
#define EE_BUSY (uint32_t)2
|
||||
#define EE_TIMEOUT (uint32_t)3
|
||||
|
||||
/* Define the size of the sectors to be used */
|
||||
#define PAGE_SIZE (uint32_t)0x2000 /* Page size = 8KByte */
|
||||
|
||||
/* Device voltage range supposed to be [2.7V to 3.6V], the operation will
|
||||
be done by word */
|
||||
#define VOLTAGE_RANGE (uint8_t)VOLTAGE_RANGE_3
|
||||
|
||||
/* EEPROM start address in Flash */
|
||||
#define EEPROM_START_ADDRESS ((uint32_t)0x0003C000) /* EEPROM emulation start address:
|
||||
from sector2 : after 16KByte of used
|
||||
Flash memory */
|
||||
|
||||
/* Pages 0 and 1 base and end addresses */
|
||||
#define PAGE0_BASE_ADDRESS ((uint32_t)(EEPROM_START_ADDRESS + 0x0000))
|
||||
#define PAGE0_END_ADDRESS ((uint32_t)(EEPROM_START_ADDRESS + (PAGE_SIZE - 1)))
|
||||
#define PAGE0_ID 0
|
||||
|
||||
#define PAGE1_BASE_ADDRESS ((uint32_t)(EEPROM_START_ADDRESS + PAGE_SIZE))
|
||||
#define PAGE1_END_ADDRESS ((uint32_t)(EEPROM_START_ADDRESS + (2 * PAGE_SIZE - 1)))
|
||||
#define PAGE1_ID 1
|
||||
|
||||
/* Used Flash pages for EEPROM emulation */
|
||||
#define PAGE0 ((uint32_t)0x0000)
|
||||
#define PAGE1 ((uint32_t)0x0001) /* Page nb between PAGE0_BASE_ADDRESS & PAGE1_BASE_ADDRESS*/
|
||||
|
||||
/* No valid page define */
|
||||
#define NO_VALID_PAGE ((uint32_t)0x00AB)
|
||||
|
||||
/* Page status definitions */
|
||||
#define ERASED ((uint32_t)0xFFFFFFFF) /* Page is empty */
|
||||
#define RECEIVE_DATA ((uint32_t)0xEEEEEEEE) /* Page is marked to receive data */
|
||||
//#define RECEIVE_DATA ((uint32_t)0x00000000) /* Page is marked to receive data */
|
||||
#define VALID_PAGE ((uint32_t)0x00000000) /* Page containing valid data */
|
||||
|
||||
/* Valid pages in read and write defines */
|
||||
#define READ_FROM_VALID_PAGE ((uint8_t)0x00)
|
||||
#define WRITE_IN_VALID_PAGE ((uint8_t)0x01)
|
||||
|
||||
/* Page full define */
|
||||
#define PAGE_FULL ((uint8_t)0x80)
|
||||
|
||||
/* Variables' number */
|
||||
//#define NB_OF_VAR ((uint8_t)0x03)
|
||||
|
||||
typedef struct {
|
||||
union {
|
||||
struct {
|
||||
uint16_t index;
|
||||
uint16_t data;
|
||||
};
|
||||
uint32_t buf;
|
||||
};
|
||||
} EE_Item;
|
||||
|
||||
/* Exported types ------------------------------------------------------------*/
|
||||
/* Exported macro ------------------------------------------------------------*/
|
||||
/* Exported functions ------------------------------------------------------- */
|
||||
uint32_t EE_EraseAll();
|
||||
uint32_t EE_Init(void);
|
||||
uint32_t EE_ReadVariable(uint16_t VirtAddress, uint16_t* Data);
|
||||
uint32_t EE_WriteVariable(uint16_t VirtAddress, uint16_t Data);
|
||||
|
||||
#endif /* __EEPROM_H */
|
||||
|
||||
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
||||
@ -0,0 +1,41 @@
|
||||
#include "eeprom_address.h"
|
||||
#include "eeprom.h"
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
void Eeprom_Initialization(void)
|
||||
{
|
||||
|
||||
EE_Init();
|
||||
|
||||
}
|
||||
|
||||
|
||||
bool Eeprom_Get_Parameter(PARAMETER_INFO_BUFF* pParameterBuff)
|
||||
{
|
||||
uint16_t i;
|
||||
bool bRet = true;
|
||||
|
||||
for(i = 0 ; i < EE_INDEX_MAX ; i++)
|
||||
{
|
||||
pParameterBuff->Parameter_Buff[i] = 0x0000;
|
||||
EE_ReadVariable(i, &pParameterBuff->Parameter_Buff[i]);
|
||||
}
|
||||
return bRet;
|
||||
}
|
||||
|
||||
bool Eeprom_Save_Parameter(PARAMETER_INFO_BUFF* pParameterBuff)
|
||||
{
|
||||
uint16_t i;
|
||||
bool bRet = true;
|
||||
for(i = 0 ; i < EE_INDEX_MAX ; i++)
|
||||
{
|
||||
EE_WriteVariable(i, pParameterBuff->Parameter_Buff[i]);
|
||||
}
|
||||
|
||||
return bRet;
|
||||
}
|
||||
|
||||
@ -0,0 +1,58 @@
|
||||
/** \file eeprom_address.h */
|
||||
#if !defined(EEPROM_ADDRESS_H__0037090D_999E_4298_A974_8283B405EB08__INCLUDED_)
|
||||
#define EEPROM_ADDRESS_H__0037090D_999E_4298_A974_8283B405EB08__INCLUDED_
|
||||
|
||||
#include "board_config.h"
|
||||
|
||||
|
||||
typedef enum
|
||||
{
|
||||
EE_INDEX_ISSAVE,
|
||||
EE_INDEX_ID_H,
|
||||
EE_INDEX_ID_L,
|
||||
EE_INDEX_PA_53,
|
||||
EE_INDEX_PA_54,
|
||||
EE_INDEX_PA_55,
|
||||
EE_INDEX_PA_56,
|
||||
EE_INDEX_PA_57,
|
||||
EE_INDEX_PA_58,
|
||||
EE_INDEX_PA_59,
|
||||
EE_INDEX_PA_5A,
|
||||
EE_INDEX_PA_5B,
|
||||
EE_INDEX_CHECKSUM,
|
||||
EE_INDEX_MAX,
|
||||
}EEPROM_INDEX;
|
||||
|
||||
|
||||
#pragma pack(push, 2)
|
||||
typedef struct _parameter_info
|
||||
{
|
||||
uint16_t isSaveParameter;
|
||||
uint16_t Parameter_ID_H;
|
||||
uint16_t Parameter_ID_L;
|
||||
uint16_t Parameter_PARA_53;
|
||||
uint16_t Parameter_PARA_54;
|
||||
uint16_t Parameter_PARA_55;
|
||||
uint16_t Parameter_PARA_56;
|
||||
uint16_t Parameter_PARA_57;
|
||||
uint16_t Parameter_PARA_58;
|
||||
uint16_t Parameter_PARA_59;
|
||||
uint16_t Parameter_PARA_5A;
|
||||
uint16_t Parameter_PARA_5B;
|
||||
uint16_t CheckSum;
|
||||
}PARAMETER_INFO;
|
||||
#pragma pack(pop)
|
||||
|
||||
#pragma pack(push, 2)
|
||||
typedef union _parameter_info_buff
|
||||
{
|
||||
PARAMETER_INFO Parameter_Info;
|
||||
uint16_t Parameter_Buff[EE_INDEX_MAX];
|
||||
}PARAMETER_INFO_BUFF;
|
||||
#pragma pack(pop)
|
||||
|
||||
void Eeprom_Initialization(void);
|
||||
bool Eeprom_Get_Parameter(PARAMETER_INFO_BUFF* pParameterBuff);
|
||||
bool Eeprom_Save_Parameter(PARAMETER_INFO_BUFF* pParameterBuff);
|
||||
|
||||
#endif
|
||||
File diff suppressed because one or more lines are too long
File diff suppressed because it is too large
Load Diff
Loading…
Reference in new issue