GPIO

General Purpose Input/Output (GPIO) interface for digital signal control. More...

Enumerations
enum	GPIOLevel { GPIO_LOW = 0 , GPIO_HIGH }
	GPIO level. More...
enum	GPIOPull { GPIO_NO_PULL = 10 , GPIO_PULL_UP , GPIO_PULL_DOWN }
	GPIO internal pull up/down. More...

Functions
MYRIOTA_HARDWARE_API int	GPIOSetModeInput (uint8_t PinNum, GPIOPull Pull)
	Set a GPIO to input mode and the internal pull up/down.
MYRIOTA_HARDWARE_API int	GPIOSetModeOutput (uint8_t PinNum)
	Set a GPIO to output mode.
MYRIOTA_HARDWARE_API int	GPIOSetHigh (uint8_t PinNum)
	Set a GPIO output high.
MYRIOTA_HARDWARE_API int	GPIOSetLow (uint8_t PinNum)
	Set a GPIO output low.
MYRIOTA_HARDWARE_API int	GPIOGet (uint8_t PinNum)
	Get input level of a GPIO.
MYRIOTA_HARDWARE_API int	GPIOSetWakeupLevel (uint8_t PinNum, GPIOLevel Level)
	Set level polarity of a GPIO pin with wakeup capability for next wakeup.
MYRIOTA_HARDWARE_API int	GPIODisableWakeup (uint8_t PinNum)
	Disable wakeup capability of a GPIO pin.

Detailed Description

General Purpose Input/Output (GPIO) interface for digital signal control.

Enumeration Type Documentation

GPIOLevel

enum GPIOLevel

GPIO level.

Enumerator
GPIO_LOW	Low logic level.
GPIO_HIGH	High logic level.

GPIOPull

enum GPIOPull

GPIO internal pull up/down.

Enumerator
GPIO_NO_PULL	No module internal pull up or pull down.
GPIO_PULL_UP	Module internal pull up.
GPIO_PULL_DOWN	Module internal pull down.

Function Documentation

GPIOSetModeInput()

MYRIOTA_HARDWARE_API int GPIOSetModeInput	(	uint8_t	PinNum,
		GPIOPull	Pull
	)

Set a GPIO to input mode and the internal pull up/down.

Parameters

PinNum	The GPIO pin number from ModulePinDef.
Pull	The internal pull up/down configuration from GPIOPull.

Returns

0 if succeeded, -1 if failed.

GPIOSetModeOutput()

MYRIOTA_HARDWARE_API int GPIOSetModeOutput

(

uint8_t

PinNum

)

Set a GPIO to output mode.

Parameters

PinNum

The GPIO pin number from ModulePinDef.

Returns

0 if succeeded, -1 if failed.

GPIOSetHigh()

MYRIOTA_HARDWARE_API int GPIOSetHigh

(

uint8_t

PinNum

)

Set a GPIO output high.

Parameters

PinNum

The GPIO pin number from ModulePinDef.

Returns

0 if succeeded, -1 if failed.

GPIOSetLow()

MYRIOTA_HARDWARE_API int GPIOSetLow

(

uint8_t

PinNum

)

Set a GPIO output low.

Parameters

PinNum

The GPIO pin number from ModulePinDef.

Returns

0 if succeeded, -1 if failed.

GPIOGet()

MYRIOTA_HARDWARE_API int GPIOGet

(

uint8_t

PinNum

)

Get input level of a GPIO.

Parameters

PinNum

The GPIO pin number from ModulePinDef.

Returns

GPIOLevel if succeeded, -1 if failed.

GPIOSetWakeupLevel()

MYRIOTA_HARDWARE_API int GPIOSetWakeupLevel	(	uint8_t	PinNum,
		GPIOLevel	Level
	)

Set level polarity of a GPIO pin with wakeup capability for next wakeup.

Parameters

PinNum	The GPIO pin number from ModulePinDef with wakeup capability.
Level	The wakeup level from GPIOLevel.

Returns

0 if succeeded, -1 if failed.

GPIODisableWakeup()

MYRIOTA_HARDWARE_API int GPIODisableWakeup

(

uint8_t

PinNum

)

Disable wakeup capability of a GPIO pin.

Parameters

PinNum

The GPIO pin number from ModulePinDef with wakeup capability.

Returns

0 if succeeded, -1 if failed (e.g., pin does not support wakeup).