369 lines
8.5 KiB
C
369 lines
8.5 KiB
C
/********************************************************************************
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Copyright (C), Sinowealth Electronic. Ltd.
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Author: Sino
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Version: V0.0
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Date: 2020/04/26
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History:
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V2.0 2020/04/26 Preliminary
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********************************************************************************/
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#include "Main.h"
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BOOL bMcuFlashWrWaitFlg;
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BOOL bMcuFlashWrFlg;
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BOOL bMcuFlashErr;
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U8 xdata ucMcuFlashWrValid;
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U8 xdata bMcuFlashWrWaitCnt;
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/*************************************************************************************************
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* 函数名: McuFlashWrOneByte
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* 参 数: McuFlashAddr：起始地址；WrData：写入的注释
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* 返回值: 无
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* 描 述: 写1个字节
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*************************************************************************************************/
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void McuFlashWrOneByte(U16 McuFlashAddr, U8 WrData)
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{
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IrqDis();
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McuFlashEn();
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XPAGE = McuFlashAddr>>8;
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IB_OFFSET = McuFlashAddr % 256;
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IB_DATA = WrData;
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IB_CON1 = 0x6E;
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IB_CON2 = 0x05;
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IB_CON3 = 0x0A;
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IB_CON4 = 0x09;
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if(XPAGE == (McuFlashAddr>>8))
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{
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IB_CON5 = 0x06;
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_nop_();
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_nop_();
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_nop_();
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_nop_();
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_nop_();
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}
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McuFlashDis();
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IrqEn();
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}
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/*************************************************************************************************
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* 函数名: McuFlashBlankCheck
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* 参 数: McuFlashAddr：起始地址
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* 返回值: 0：非全0，Erase失败；1：全0，Erase成功
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* 描 述: 当Erase完1个Sector，需检查是否全为0
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*************************************************************************************************/
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BOOL McuFlashBlankCheck(U16 McuFlashAddr)
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{
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BOOL Result = 1;
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U16 i;
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for(i=0; i<MCUFLASH_SECTOR_SIZE; i++)
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{
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if(CBYTE[McuFlashAddr+i] != 0x00)
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{
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Result = 0;
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break;
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}
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}
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return Result;
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}
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/*************************************************************************************************
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* 函数名: McuFlashDataCheck
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* 参 数: McuFlashAddr：起始地址
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* 返回值: 0：校验错误；1：校验正确
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* 描 述: 校验被写的Sector数据是否和XRAM区一致
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*************************************************************************************************/
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BOOL McuFlashDataCheck(U16 McuFlashAddr, U16 XramAddr)
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{
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BOOL Result = 1;
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U8 xdata *ptr = (U8 xdata *)XramAddr; //强制将变量的值作为地址赋值给指针变量
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U16 i;
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for(i=0; i<MCUFLASH_SECTOR_SIZE; i++)
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{
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if(CBYTE[McuFlashAddr+i] != *(ptr+i))
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{
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Result = 0;
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break;
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}
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}
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return Result;
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}
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/*************************************************************************************************
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* 函数名: McuFlashWrSector
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* 参 数: 无
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* 返回值: 无
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* 描 述: 写1个Sector的数据
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*************************************************************************************************/
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BOOL McuFlashWrSector(U16 McuFlashAddr, U16 XramAddr)
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{
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BOOL Result = 0;
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U16 i;
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U8 xdata *ptr = (U8 xdata *)XramAddr; //强制将变量的值作为地址赋值给指针变量
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for(i=0; i<MCUFLASH_SECTOR_SIZE; i++)
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{
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IB_OFFSET = McuFlashAddr+i;
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XPAGE = (McuFlashAddr+i)>>8;
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IB_DATA = *(ptr+i);
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IB_CON1 = 0x6E;
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if(!EA)
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{
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IB_CON2 = 0x05;
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if(FLASHCON)
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{
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IB_CON3 = 0x0A;
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if(ucMcuFlashWrValid == 0x55)
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{
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IB_CON4 = 0x09;
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if(XPAGE == ((McuFlashAddr+i)>>8))
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{
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IB_CON5 = 0x06;
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_nop_();
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_nop_();
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_nop_();
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_nop_();
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_nop_();
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Result = 1;
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}
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else
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{
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Result = 0;
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break;
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}
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}
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else
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{
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Result = 0;
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break;
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}
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}
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else
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{
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Result = 0;
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break;
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}
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}
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else
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{
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Result = 0;
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break;
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}
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}
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return Result;
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}
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/*************************************************************************************************
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* 函数名: McuFlashWrite
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* 参 数: McuFlashAddr：写入的地址，长度固定为1个Sector
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* 返回值: 0：写入失败；1：写入成功
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* 描 述: 写MCU Flash的1个Sector:
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1.Erase Sector
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2.检查当前Sector是否全为0
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3.将XRAM数据写入
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4.校验XRAM和MCU Flash区数据是否一致
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*************************************************************************************************/
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BOOL McuFlashWrite(U16 McuFlashAddr, U16 XramAddr)
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{
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BOOL Result = 0;
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McuWDTClear(); //清看门狗
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IrqDis(); //关闭中断源
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McuFlashEn();
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XPAGE = McuFlashAddr >> 8;
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IB_CON1 = 0xE6;
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if(!EA)
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{
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IB_CON2 = 0x05;
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if(FLASHCON)
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{
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IB_CON3 = 0x0A;
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if(ucMcuFlashWrValid == 0x55)
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{
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IB_CON4 = 0x09;
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if(XPAGE == (McuFlashAddr >> 8))
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{
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IB_CON5 = 0x06;
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_nop_();
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_nop_();
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_nop_();
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_nop_();
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_nop_();
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if(McuFlashBlankCheck(McuFlashAddr)) //查空
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{
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if(McuFlashWrSector(McuFlashAddr, XramAddr)) //写入
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{
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if(McuFlashDataCheck(McuFlashAddr, XramAddr)) //校验
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{
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Result = 1;
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}
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}
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}
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}
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}
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}
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}
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IB_CON1 = 0;
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IB_CON2 = 0;
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IB_CON3 = 0;
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IB_CON4 = 0;
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IB_CON5 = 0;
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McuFlashDis();
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XPAGE = 0x00;
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IrqEn();
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return Result;
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}
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/*************************************************************************************************
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* 函数名: McuFlashProcess
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* 参 数: 无
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* 返回值: 无
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* 描 述: 写MCU Flash，同时更新备份1区和2区
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*************************************************************************************************/
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void McuFlashProcess(void)
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{
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BOOL McuFlashBk1WrFailFlg = 0, McuFlashBk2WrFailFlg = 0;
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U16 VoltageMin;
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if(bMcuFlashWrFlg)
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{
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bMcuFlashWrFlg = 0;
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ucMcuFlashWrValid = 0x55; //防误写检验标志
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if(ucCellNum > 5) //6~10串应用，需要总电压超过10V
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{
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VoltageMin = 10000;
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}
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else //3~5串应用，需要总电压超过5V
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{
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VoltageMin = 5000;
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}
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if((Info.ulVoltage>=VoltageMin) && (E2uiCheckFlag==0x5AA5))
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{
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if(!McuFlashWrite(MCUFLASH_BK1_ADDR, XRAM_MAP_ADDR)) //连续写两次，如果都错误则置位错误标志
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{
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if(!McuFlashWrite(MCUFLASH_BK1_ADDR, XRAM_MAP_ADDR))
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{
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McuFlashBk1WrFailFlg = 1;
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E2uiCheckFlag = 0xFFFF;
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McuFlashWrOneByte(MCUFLASH_BK1_ADDR+510,0xFF);
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McuFlashWrOneByte(MCUFLASH_BK1_ADDR+511,0xFF);
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}
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}
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if(!McuFlashWrite(MCUFLASH_BK2_ADDR, XRAM_MAP_ADDR))
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{
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if(!McuFlashWrite(MCUFLASH_BK2_ADDR, XRAM_MAP_ADDR))
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{
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McuFlashBk2WrFailFlg = 1;
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E2uiCheckFlag = 0xFFFF;
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McuFlashWrOneByte(MCUFLASH_BK2_ADDR+510,0xFF);
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McuFlashWrOneByte(MCUFLASH_BK2_ADDR+511,0xFF);
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}
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}
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}
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else
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{
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McuFlashBk1WrFailFlg = 1;
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McuFlashBk2WrFailFlg = 1;
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}
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ucMcuFlashWrValid = 0x00;
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if(McuFlashBk1WrFailFlg && McuFlashBk2WrFailFlg) //如果Flash两个区都操作错误，则置位Flash错误标志
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{
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bMcuFlashErr = 1;
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}
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}
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}
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/*************************************************************************************************
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* 函数名: McuFlashRead
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* 参 数: SourceAddr：源地址；TargetAddr：目标地址；Length：数据长度
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* 返回值: 0：数据正确；1：数据错误
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* 描 述: 判断MCU Flash参数区的最后一个字节是否为0x5AA5，检查数据区是否被破坏
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*************************************************************************************************/
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BOOL McuFlashRead(U16 SourceAddr, U8 xdata *TargetAddr, U16 Length)
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{
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U16 i;
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BOOL Result = 1;
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U8 xdata *data TargetAddr1 = TargetAddr; //*后面的data关键字的作用，是把指针TargetAddr1定义在data区中
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IrqDis();
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McuFlashEn();
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McuWDTClear();
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for(i=0; i<Length; i++)
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{
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*TargetAddr1 = CBYTE[SourceAddr+i];
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TargetAddr1++;
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}
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McuFlashDis();
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IrqEn();
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return Result;
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}
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/*************************************************************************************************
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* 函数名: McuFlashWrWaitCheck
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* 参 数: 无
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* 返回值: 无
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* 描 述: 当需要写MCU Flash参数时，部分模块需要延时2S执行写操作（上位机修改参数），部分模块立即写
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*************************************************************************************************/
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void McuFlashWrWaitCheck(void)
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{
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if(bMcuFlashWrWaitFlg)
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{
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if(++bMcuFlashWrWaitCnt >= MCU_FLASH_WATI_DELAY)
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{
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bMcuFlashWrWaitFlg = 0;
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bMcuFlashWrWaitCnt = 0;
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bMcuFlashWrFlg = 1;
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}
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}
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}
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/*************************************************************************************************
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* 函数名: McuFlashCheckFlg
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* 参 数: McuFlashAddr：MCU Flash区的地址
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* 返回值: 0：数据正确；1：数据错误
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* 描 述: 判断MCU Flash参数区的最后一个字节是否为0x5AA5，检查数据区是否被破坏
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*************************************************************************************************/
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BOOL McuFlashCheckFlg(U16 McuFlashAddr)
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{
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BOOL Result = 0;
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McuFlashEn();
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if(CWORD[McuFlashAddr/2] == 0x5AA5)
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{
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Result = 1;
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}
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McuFlashDis();
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return Result;
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}
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