JHCTech KMDA-3820 User Manual page 87

GPIO pin
Note: The output value is valid only when the pin is in output mode.
4 * creation date：
5*========================================================================*/
/*==========================================================================
1 * int Second_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 8 bit corresponding to the level state of a GPIO pin
Return value
GPIO pin
parameter：port fill in subcard GPIO number, 1 or 2
Note: The read value is valid only when the pin is in input mode
4 * creation date：
5*========================================================================*/
Note: If you want more programs of the motherboard's watchdog and subcard's GPIO, please call +86-
0755-86021176-(8021)/+86-0755-86021176-(8023) for more information.
PIN8 PIN7 PIN6
Bit7 Bit6 Bit5
PIN8 PIN7 PIN6
PIN5 PIN4 PIN3
Bit4 Bit3 Bit2
PIN5 PIN4 PIN3
79
User's Manual
PIN2 PIN1
Bit1 Bit0
PIN2 PIN1