#define uchar unsigned char
#define INIT 0
#define WDT 1
uchar idata BUFR[4];
uchar pointer,live,lock=0xff;
unsigned int starting;
sbit on1=P3^2;
sbit feddog=P3^4;
/**********************************************/
init()_task_ INIT
{
SCON=0x50;/* mode1:8-bit UART,enable receiver*/
TMOD|=0x20;/* timer1:mode2 */
TL1=TH1=0xe8;/* 0xe8=1200baud,oxf4=2400baud,0xfa=4800baud,0xfd=9600baud*/
TR1=1;
ES=1;
TI=0;
SBUF=0x00;//send a READY infomation //这句话不能加上，加上后WDT不运行了
while(!TI);
TI=0;
os_create_task (WDT);
/* send two beeps*/
on1=0;
os_wait(K_IVL,40,0);
on1=1;
os_wait(K_IVL,80,0);
on1=0;
os_wait(K_IVL,80,0);
on1=1;
os_delete_task(INIT);
}
void watchdog (void) _task_ WDT
{
while(1){
feddog=!feddog;
os_wait(K_TMO,4,0);
}
}
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