Acrosser AR-ES6003FL - Manual (Page 85)

Here is an example:
If GPIO Output channel 0 and channel 2 are both 1.
unsigned char ch;
getOutChLevel( GPO0|GPO2, &ch );
The returned value of variable ‘ch’ is 0x5.
Return Value: If the function gets the values successfully, it returns 0. If any error,
it returns –1.
Watchdog
1. Syntax:
u8 getWtdTimer(void)
Description: This function reads the value of the watchdog time counter and
returns it to the caller.
Parameters: None.
Return Value: This function returns the value of the time counter and returns it to
the caller as an unsigned integer.
2. Syntax:
void setWtdTimer( u8 val )
Description: This function sets the watchdog timer register to the value ‘val’ and
starts to count down. The value could be 0 ~ 255. The unit is second. Setting the
timer register to 0 disables the watchdog function and stops the countdown.
Parameters: The parameter ‘val’ is the value to set to watchdog timer register.
The range is 0 ~ 255.
Return Value: None.
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