JHCTech WPPC-H1780T User Manual page 60

/*======================================================================
1 * int I715_2nd_gpio_input(int port);
2 * function description：read the motherboard GPIO input level
3 * parameter description：
Return value：return a byte (8 bit), each bit of the 8 bit corresponding to the level state of a
GPIO pin
Value=1, means high level
Value=0, means low level
Return value
GPIO pin
parameter：port fill in subcard GPIO number, 1 or 2
descripiton：The read value is valid only when the pin is in input mode
4 * creation date：
5
======================================================================*/
int I715_2nd_gpio_input(int port);
Bit7 Bit6 Bit5
PIN8 PIN7 PIN6
Bit4 Bit3 Bit2
PIN5 PIN4 PIN3
53
User's Manual
Bit1 Bit0
PIN2 PIN1
*