ulan/embedded/board/mcs51/ulad21/libs/bspbase/bsp0hwinit.c

   1 #include <bspbase.h>
   2 #include <local_config.h>
   3 #ifdef CONFIG_MISC_VECT
   4  #include <vect.h>
   5 #endif
   6 #ifdef CONFIG_ULAN
   7  #include <ul_lib/ulan.h>
   8 #endif
   9
  10 /* timers */
  11 lt_ticks_t DATA sys_timer_ticks;
  12
  13 /****************************************************************************/
  14 //definice pruseni (casovac0)
  15 void timer(void)
  16 #ifndef CONFIG_BSPTIMERFNC_WITHOUT_INTERRUPT
  17  interrupt
  18  #ifndef CONFIG_MISC_VECT
  19   1
  20  #endif
  21 #endif
  22 {
  23   TH0=HZ2TMODE1H(SYS_TIMER_HZ);                 //nastav casovac0
  24   TL0=HZ2TMODE1L(SYS_TIMER_HZ);
  25
  26   sys_timer_ticks++;
  27 }
  28
  29 /****************************************************************************/
  30 void setup_board(void)
  31 {
  32   sys_timer_ticks=0;
  33   P3=0xff;P1=0xff;
  34  #ifdef CONFIG_BSPTIMERFNC_WITHOUT_INTERRUPT
  35   MCON|=1;                                      //XDATA memory map to 0x8400
  36  #endif
  37   TMOD=0x21;                                    //citac0-16bitovy,1-8bitovy(reload)
  38   TH0=HZ2TMODE1H(SYS_TIMER_HZ);                 //nastav casovac0
  39   TL0=HZ2TMODE1L(SYS_TIMER_HZ);
  40   TCON=0x10;                                    //nul. priz. casov0,1;spust casov0
  41  #ifdef CONFIG_MISC_VECT
  42   vec_set(timer,IADDR_TIMER0);
  43  #endif
  44  #ifndef CONFIG_BSPTIMERFNC_WITHOUT_INTERRUPT
  45   ET0=1;                                        //povol preruseni casov0
  46  #endif
  47  #ifdef WATCHDOG_ENABLED
  48   WATCHDOG_ON();
  49   WATCHDOG_SET_MS(1000); //1s
  50   WATCHDOG_REFRESH();
  51  #endif
  52 }