DIO General purpose IO

API for DIO (General-purpose digital IO)

The following functions are used for general-purpose digital IO (DIO) operations.

• pinMode()

• digitalWrite()

• digitalRead()

• attachIntDio()

• detachIntDio()

Constants

Pin name and number

Definition	Name
const uint8_t PIN_DIGITAL::DIO0 .. 19	DIO pins 0 to 19
const uint8_t PIN_DIGITAL::DO0 .. 1	DO pin 0,1

Mode of pin（DIO0..19)

The following enumeration values are handled with the type name E_PIN_MODE.

Definition	Pull-up	Name
PIN_MODE::INPUT	None	Input
PIN_MODE::OUTPUT	None	Output
PIN_MODE::INPUT_PULLUP	Yes	Input
PIN_MODE::OUTPUT_INIT_HIGH	None	Output(init HIGH)
PIN_MODE::OUTPUT_INIT_LOW	None	Output(init LOW)
PIN_MODE::WAKE_FALLING	None	Input, raised pin, falling
PIN_MODE::WAKE_RISING	None	Input, rising pin, rising
PIN_MODE::WAKE_FALLING_PULLUP	Yes	Input, raised pin, falling
PIN_MODE::WAKE_RISING_PULLUP	Yes	Input, rising pin, rising
PIN_MODE::DISABLE_OUTPUT	Yes	return to the input state

Mode of the pin (DO0,1)

The following enumeration values are handled with the type name E_PIN_MODE.

Definition	Name
PIN_MODE::OUTPUT	Contribute
PIN_MODE::OUTPUT_INIT_HIGH	Output (initial state HIGH)
PIN_MODE::OUTPUT_INIT_LOW	Output (initial state LOW)
PIN_MODE::DISABLE_OUTPUT	Stop setting output

pin_state

The following enumeration values are handled with the type name E_PIN_STATE.

Definition	Value	Name
PIN_STATE::HIGH	1	HIGH(=Vcc) level
PIN_STATE::LOW	0	LOW(=GND) level

Rising and falling edge of pin

The following enumeration values are handled with the type name E_PIN_INT_MODE.

Definition	Name
PIN_INT_MODE::FALLING	falling edge
PIN_INT_MODE::RISING	rising edge