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Код: Выделить всё

void show_humantime() {
  unsigned int i, dst_en, dst = 0;
  char  timezone;
  unsigned char keyb, last_second = 99, current_brightness;
  
  while(1) {
   if (flag.sec_event == 1) {
      flag.sec_event = 0;
      current_time.seconds = read_ds1302(0x81);
      if (current_time.seconds != last_second) {
        last_second = current_time.seconds;
        current_time.seconds = read_ds1302(0x81);
        current_time.minutes = read_ds1302(0x83);
        current_time.hours   = read_ds1302(0x85);
        current_time.date    = read_ds1302(0x87);
        current_time.month   = read_ds1302(0x89);
        current_time.weekday = read_ds1302(0x8b);
        if (current_time.weekday == 7) current_time.weekday = 0;
        current_time.year    = read_ds1302(0x8d);

        videobuffer[0] = charset[(current_time.seconds & 0x0f)];
        videobuffer[1] = charset[(current_time.seconds & 0xf0)>>4];
        
        videobuffer[2] = charset[(current_time.minutes & 0x0f)] | seg_h;
        videobuffer[3] = charset[(current_time.minutes & 0xf0)>>4];
        
        videobuffer[4] = charset[(current_time.hours & 0x0f)] | seg_h;
        videobuffer[5] = charset[(current_time.hours & 0xf0)>>4];
        
        
        i = (current_time.weekday) << 2;
        
        videobuffer[9] = dow[i++];
        videobuffer[8] = dow[i++];
        videobuffer[7] = dow[i++];
        
        videobuffer[6] = let_;
        videobuffer[10] = let_;
      }
      if (keyb = kbdread()) {
        if (keyb == KEY_LEFT) {
          current_brightness = read_ds1302(0xC5) & 0x07;
          if (current_brightness > 0) {
            --current_brightness;
            write_ds1302(0x8e, 0x00);   // disable write protection
            write_ds1302(0xC4, current_brightness);
            write_ds1302(0x8e, 0x80);   // enable write protection
          }
          for (i=0; i<12 ;++i) videobright[i] = current_brightness;
        }
        if (keyb == KEY_RIGHT) {
          current_brightness = (read_ds1302(0xC5) & 0x07);
          if (current_brightness < 7) {
            ++current_brightness;
            write_ds1302(0x8e, 0x00);   // disable write protection
            write_ds1302(0xC4, current_brightness);
            write_ds1302(0x8e, 0x80);   // enable write protection
          }
          for (i=0; i<12 ;++i) videobright[i] = current_brightness;
        }
        if (keyb == KEY_BOTH) return;
      }
    }
  }
}