JHCTech WPPC-H1780T User Manual page 56

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.
Return Bit7
value
GPIO PIN8
pin
parameter：Port Fill in the motherboard GPIO port, which is a fixed value designed by the manufacturer
4 * creation date：
5
======================================================================*/
BYTE I715_MB_gpio_input(WORD port);
/* ======================================================================
1 * void I715_MB_gpio_output(WORD port, BYTE value);
2 * function description：high and low level output of the motherboard
3 * parameter description：
parameter：
Port Fill in the motherboard GPIO port, which is a fixed value designed by the manufacturer
Value 8 bits of a byte, each bit controls a GPIO pin output value
Bit =1, means output high level
Bit6 Bit5 Bit4
PIN7 PIN6 PIN5
Bit3 Bit2 Bit1
PIN4 PIN3 PIN2
49
User's Manual
Bit0
PIN1
*