ADLINK Technology cPCI-3920 Series, User Manual

Page: 75 / 106

Watchdog Timer 65
outportb(0xeb,00); //io delay
outportb(config_port_index,0x08);
}
/************************************/
unsigned char read_config_data_byte(unsigned char
_index)
{
unsigned char r_data;
outportb(config_port_index,_index);
outportb(0xeb,00); //io delay
r_data=inportb(config_port_data);
return(r_data);
}
/************************************/
void write_config_data_byte(unsigned char
_index,unsigned char _data)
{
outportb(config_port_index,_index);
outportb(0xeb,00); //io delay
outportb(config_port_data,_data);
}
/************************************/
void write_preload_val2_reg(unsigned long int
_time_out_val)
{
unsigned char *p_data;
// "unsigned char" declaration --> + =
addr. BYTE increased.
p_data=&_time_out_val;
// printf("%x\n",*p_data);
unlocking_reg();
outportb(wdt_4,*p_data);
+;
// printf("%x\n",*p_data);