需要随机数表，自己做个程序生成*.c *.bin

/*
rram.c
用于生成随机数组
不支持M级
例：
rram 1024
rram 1 k
rram 1 K

rram 2048
rram 2 k
rram 2 K

*/
#include <stdio.h>
#include <stdlib.h>
#include <time.h>

void print_info()
{
    printf("\
    Usage:rram [count] [units]\n\
    -count of data by units\n\
    -units Bb Kk, Bb is the default for no units given\n");
}
void print_err(int err)
{
    char* errmsg[]={
    "memory alloc failure",/*0*/
    "file open failure"    /*1*/
    };
    if(err<sizeof(errmsg)/sizeof(char*))
    {
        puts(errmsg[err]);
    }
    
    
}
void  dump_data(unsigned char* p,size_t size)
{
    int i=0;
    while(size--)
    {
        printf("0x%02x ",*p++);
        if(i++==7)
        {
            printf("\n");
            i=0;
        }
    }
}
void memrand(unsigned char* p,size_t size)
{
    srand((unsigned)time(NULL));
    while(size--)
        *p++=rand();
    
}
void data2c(unsigned char* p,size_t size)
{
    FILE* fp;
    int i;
    int j;
    if(fp=fopen("randram.c","w"))
    {
        
        fprintf(fp,"unsigned char rand_bytes[%d]={\n",size);
        i=size;
        j=0;
        while(i--)
        {
            if(i)
                fprintf(fp,"0x%02x,",*p++);
            else
                fprintf(fp,"0x%02x};",*p++);
            if(j++==15)
            {
                fprintf(fp,"\n");
                j=0;
            }
            
            
        }
        
        fclose(fp);
    }
    else
    {
        print_err(1);
        exit(0);
    }
    
}
void data2bin(unsigned char* p,size_t size)
{
    FILE* fp;
    int i;
    int j;
    if(fp=fopen("randram.bin","wb"))
    {
        
        fwrite(p,size,1,fp);
        
        fclose(fp);
    }
    else
    {
        print_err(1);
        exit(0);
    }
}
int main(int argc,char* argv[])
{
    /*vars*/
    size_t count;

    int i,j=0;
    
    unsigned char * pdata;
    
    
    /*arg convert*/
    if(argc!=2 && argc!=3)
    {
        print_info();
        exit(0);
    }
    count=atol(argv[1]);
    if(count==0)
    {
        print_info();
        exit(0);
    }
    if(argc==3)
    {    
        if(0==strcmp(argv[2],"K") || 0==strcmp(argv[2],"k"));
            count*=1024;
    }
    pdata=(unsigned char*)malloc(count);
    if(pdata)
        memrand(pdata,count);
    else
    {
        print_err(0);
        exit(0);
    }

    dump_data(pdata,count);
    data2c(pdata,count);
    data2bin(pdata,count);
    free(pdata);    
    return 0;
    
}