readtime.c

来自「采用430单片机完成的门禁控制器程序」· C语言 代码 · 共 38 行

/**********************************************************/
/*****读取时间并比较，如果在开启红外监控的时段内，则置位***/
/**********************************************************/
void readtime()
{
  uchar i;
  uint  clk_buf;
  uint  clk_buf1;
  uint  clk_buf2;
  FLAG |= gb_re1302;
  clk_buf = clock[2];
  clk_buf = ((clk_buf << 8) | clock[1]);
  for(i=0; i<4; i++)
  {
    clk_buf1 = ircon[i*4];
    clk_buf1 = ((clk_buf1 << 8) | ircon[i*4+1]);
    clk_buf2 = ircon[i*4+2];
    clk_buf2 = ((clk_buf2 << 8) | ircon[i*4+3]);
    if((clk_buf > clk_buf1) && (clk_buf < clk_buf2))
    {
      FLAG2 |= gb_concon;
      FLAG2 |= gb_concon1;
      goto readtimeend;
    }
  }
  if((conone & BIT6) || (conone & BIT7))
  {
    FLAG2 |= gb_concon;
  }
  else
  {
    FLAG2 &= ~gb_concon;
  }
  FLAG2 &= ~gb_concon1;
readtimeend:
  return;
}