JHCTech BRAV-7302, Руководство пользователя

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User’s Manual
52
Parameter: port represents the number of the GPIO, 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.
Note: The output value is valid only when the pin is in output mode.
4 * creation date ：
5*========================================================================*/
/*==========================================================================
1
* void smbus_16pin_gpio_output(int port,int level);
2 * function description
：
high and low levels output of the subcard
3 * parameter description:
Parameter: port represents the number of the GPIO, 1 or 2
Level 8 bit of a bit, 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*========================================================================*/
Return value 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