JHCTech KMDA-2701 User Manual page 73

parameter：port fill in GPIO number，1 or 2
mode 8 bits of a byte, each bit controls input and output mode of a GPIO pin
bit = 1, Corresponding pin as input
bit = 0, Corresponding pin as output
mode
GPIO pin
Note ：The output value is valid only when the pin is in output mode.
4 * creation date：
5
======================================================================*/
void I715_2nd_gpio_mode(int port,int mode);
/*======================================================================
1 * void I715_2nd_gpio_output(int port,int level);
2 * function description：subcard output high and low level
3 *parameter descirption：
parameter：port fill in GPIO number of the subcard, 1 or 2
level 8 bits of a byte, each bit controls a GPIO pin output value,
Bit7 Bit6 Bit5
PIN8 PIN7 PIN6
Bit4 Bit3 Bit2
PIN5 PIN4 PIN
3
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User's Manual
Bit1 Bit0
PIN2 PIN1
*