JHCTech KMDA-3820 User Manual page 86

4 * creation date：
5*=======================================================================*/
/*==========================================================================
1 * void Second_gpio_mode(int port, int mode);
2 * function description: Subcard input and output mode settings
3 * parameter description:
Parameter: port fill in subcard GPIO number, 1 or 2
Mode 8 bit of a bit, each bit controls the input and output mode of a GPIO pin,
Bit =1, the corresponding pin is used as the input port.
Bit =0, the corresponding pin is used as an output port.
Mode
GPIO pin
Note: The output value is valid only when the pin is in output mode.
4 * creation date：
5*========================================================================*/
/*==========================================================================
* void Second_gpio_output(int port, int level);
2
2 * function description：high and low levels output of the subcard
3 * parameter description:
Parameter: port fill in subcard GPIO number, 1 or 2
Level 8 bit of a Byte, each bit controls a GPIO pin output value,
Bit =1, means output high level
Bit =0, means output low level
Level
Bit7 Bit6 Bit5
PIN8 PIN7 PIN6
Bit7 Bit6 Bit5
Bit4 Bit3 Bit2
PIN5 PIN4 PIN3
Bit4 Bit3 Bit2
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User's Manual
Bit1 Bit0
PIN2 PIN1
Bit1 Bit0