JHCTech KMDA-3820, User Manual

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User’s Manual
79
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
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.
GPIO pin PIN8 PIN7 PIN6 PIN5 PIN4 PIN3 PIN2 PIN1
Return value Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
GPIO pin PIN8 PIN7 PIN6 PIN5 PIN4 PIN3 PIN2 PIN1