JHCTech KGEC-6301, Руководство пользователя

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User’s Manual
67
Note: The output value is valid only when the pin is in output mode.
4*creation date
：
5*========================================================================*/
/*==========================================================================
2* void I952_2nd_gpio_output (int port,int level);
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
Note: The output value is valid only when the pin is in output mode.
4*creation date
：
5*========================================================================*/
/*==========================================================================
1* int I952_2nd_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: Theread value is valid only when the pin is input mode
4*creation date
：
5*========================================================================*/
Level Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
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