N76E616 Watch_Dog例程WDT没复位？？？？

只看该作者 · 2021-5-23 10:44

void main (void)
{
/* Note
   MCU power on system clock is HIRC (11.0592MHz), so Fsys = 11.0592MHz
*/
Set_All_GPIO_Quasi_Mode();                //in Common.c

#if DEBUG_PORT == 0
      InitialUART0_Timer1_Type1(115200);          /* 9600 Baud Rate*/
#elif DEBUG_PORT == 1
      InitialUART1_Timer3(115200);                /* 9600 Baud Rate*/
#endif

Show_FW_Version_Number_To_PC();

printf ("\n*===================================================================");
printf ("\n*  Name: N76E616 Watch Dog Timer Demo Code.");
printf ("\n*===================================================================\n");

/* Change system closk source */
#if SYS_CLK_EN == 1
      #if SYS_SEL == 0
         System_Clock_Select(E_HXTEN); //Fosc = 2~16MHz XTAL
      #elif SYS_SEL == 1
         System_Clock_Select(E_LXTEN); //Fosc = 32.768KHz XTAL
      #elif SYS_SEL == 2
         System_Clock_Select(E_HIRCEN);  //Fosc = 11.0592MHz Internal RC
      #elif SYS_SEL == 3
         System_Clock_Select(E_LIRCEN);  //Fosc = 10KHz Internal RC
      #elif SYS_SEL == 4
         System_Clock_Select(E_OSCEN); //Fosc = OSC-In External OSC
      #endif
#endif

#if SYS_DIV_EN == 1
      CKDIV = SYS_DIV;                      //Fsys = Fosc / (2* CLKDIV) = Fcpu
#endif

      TA = 0x0AA;
      TA = 0x055;
#if PRE_SCALAR == 0
      WDCON = 0x00;
#elif PRE_SCALAR == 1
      WDCON = 0x01;
#elif PRE_SCALAR == 2
      WDCON = 0x02;
#elif PRE_SCALAR == 3
      WDCON = 0x03;
#elif PRE_SCALAR == 4
      WDCON = 0x04;
#elif PRE_SCALAR == 5
      WDCON = 0x05;
#elif PRE_SCALAR == 6
      WDCON = 0x06;
#elif PRE_SCALAR == 7
      WDCON = 0x07;
#endif

set_WDTEN;                               //WDT run

while(1);
}