// BinCrcSum.cpp : 定义控制台应用程序的入口点。
//author:sunwei
//2019/1/19
#include "stdafx.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <stdarg.h>
#include <stdint.h>
#include <time.h>
#include <direct.h>
#include "resource.h"
#pragma warning(disable : 4996)
#define PATH_B "./GSP_APP/Exe/GSP_APP.bin"//"D:/SVN_1015/GSP_TRUNK/GSP_APP/EWARM/GSP_APP/Exe/GSP_APP.bin"
char* ReadFile (const char* szPath, size_t* pullsize)
{
assert (szPath != NULL);
FILE* hFile = fopen (szPath, "rb+");
if(hFile == NULL)
{
printf("Path is error->%s
", szPath);
getchar();
return NULL;
}
fseek (hFile, 0, SEEK_END);
long lSize = ftell (hFile);
rewind (hFile);
size_t ullNum = lSize;
char* pos = (char*) malloc (sizeof (char) * ullNum);
assert (pos != NULL);
fread (pos, sizeof (char), ullNum, hFile);
fclose (hFile);
*pullsize = ullNum;
return pos;
}
void WriteFile (const char* szPath, char* pOutBuff, size_t size)
{
assert ( (szPath != NULL) && (pOutBuff != NULL) && (size > 0));
FILE* hFile = fopen (szPath, "a");
assert (hFile != NULL);
fwrite (pOutBuff, sizeof (char), size, hFile);
fclose (hFile);
}
void Little_32to8(uint32_t source, char *dest)
{
if (dest == NULL) return;
dest[0] = (source >> 0) & 0xFF;
dest[1] = (source >> 8) & 0xFF;
dest[2] = (source >> 16) & 0xFF;
dest[3] = (source >> 24) & 0xFF;
}
uint32_t U32SumCheck(uint8_t *dst, uint32_t size)
{
uint32_t sum = 0;
while( size-- )
{
sum += *dst++;
}
return sum;
}
int _tmain(int argc, _TCHAR* argv[])
{
size_t FileSize = 0;
uint32_t add;
char a[4];
//打开bin文件
char* pBin = ReadFile(PATH_B, &FileSize);
if((pBin == NULL) || (FileSize <= 0)) return 0;
printf("GSP APP bin is %d
", FileSize);
//算成累加和
add = U32SumCheck((uint8_t *)pBin, FileSize);
pBin = NULL;
Little_32to8(add, a);
WriteFile(PATH_B, a, 4);
pBin = ReadFile(PATH_B, &FileSize);
assert((pBin != NULL) && (FileSize > 0));
printf("GSP APP bin add sum is %d
", FileSize);
//追加到bin文件尾部
//getchar();
return 0;
}