MVi

#include "bin_oper.h"#include "crc.h"static unsigned long g_crc = 263;void set_crc(const char *p_crc_binary){  g_crc = bin2udec(p_crc_binary);  return;}unsigned long crc(const char *p_data){  int j = 0, i = 8;  unsigned long data, checked = 0;  while(i == 8)  {    for(i = 0; i < 8 && p_data[i + j*8]; ++i);    if(!i) break;    data = bin2udec_range(p_data, j*8, i) + (checked << i);    checked = data%g_crc;    ++j;  }  return(checked);}