int iap_entry (unsigned char *data,unsigned int length)
{
unsigned char ucErr;
unsigned int i;
unsigned char ramData[256]; // 定义变量区
if(length > 256) length = 256;
for(i = 0;i < length;i ++)
{
ramData[i] = data[i];
}
IAP_Entry = (void(*)())IAP_ENTER_ADR; /* 初始化函数指针IAP_Entry */
// __disable_irq(); /* 在IAP操作前必须关闭所有中断 */
parIdRead(); /* 读器件ID */
codeIdBoot(); /* 读Boot版本号 */
sectorPrepare(IAP_SECTOR_NUMBER,IAP_SECTOR_NUMBER); /* 准备扇区1 */
sectorErase(IAP_SECTOR_NUMBER,IAP_SECTOR_NUMBER); /* 擦除扇区1 */
blankChk(IAP_SECTOR_NUMBER,IAP_SECTOR_NUMBER) ; /* 查空扇区1 */
sectorPrepare(IAP_SECTOR_NUMBER,IAP_SECTOR_NUMBER); /* 选择扇区1 */
ramCopy(IAP_ADDRESS, (unsigned int)ramData, 256); /* 写数据到扇区1 */
ucErr = dataCompare(IAP_ADDRESS, (unsigned int)ramData, 256); /* 比较数据 */
// __enable_irq();
if (ucErr == CMD_SUCCESS) { /* 成功 */
}
// while (1);
}
int DataPage::updateData(char *dataPageBuffer,char *oldData,char *newData,int dataPos,short dataType)
{
// Function returns the total no. of records which matched the data and were updated.....
// New data integrity check has to be done by the caller... No check will be done here
if(_slotCounter == 0)
{
// Nothing to update.....
// For sanity check.....
return -3;
}
int i,j,resCount=0;
for(i=0;i<_slotCounter;i++)
{
long slotPointer;
int slotSize;
memcpy(&slotPointer,&dataPageBuffer[FIRSTSLOTPTR-(i+1)*sizeof(long)-i*sizeof(int)],sizeof(long));
memcpy(&slotSize,&dataPageBuffer[FIRSTSLOTPTR-(i+1)*sizeof(long)-(i+1)*sizeof(int)],sizeof(int));
if(slotSize < 0)
{
// Slot has been deleted
// So no need to check
continue;
}
char * dataBuf = new char [slotSize];
memcpy(dataBuf,&dataPageBuffer[slotPointer],slotSize);
short offsetPointer=0,dataPointer=2,offset;
for(j=0;j<dataPos;j++)
{
memcpy(&offset,&dataBuf[offsetPointer],sizeof(short));
if(j == dataPos-1)
{
// This is the position at which data has to be verified....
char * posData = new char [offset];
memcpy(posData,&dataBuf[dataPointer],offset);
if(/*strcmp(posData,oldData)==0*/dataCompare(posData,oldData,dataType)==0)
{
cout<<"Data found at slot ID: "<<i;
resCount++;
cout<<"Updating the data....";
memcpy(&dataBuf[dataPointer],newData,offset);
cout<<endl;
}
delete posData;
}
offsetPointer = dataPointer+offset;
dataPointer = offsetPointer+sizeof(short);
}
delete dataBuf;
}
return resCount;
}
DWORD CSigScan::findPattern(BYTE *bMask, char* szMask)
{
DWORD dwAddress = m_dwModuleBase;
for (DWORD i=0; i < m_dwModuleSize; i++)
{
if (dataCompare((BYTE*)(dwAddress+i),bMask,szMask))
{
return (DWORD)(dwAddress+i);
}
}
return 0;
}
