GPIO_IRQ_EX

gpio IRQ extented functions More...

Ameba Common
enum	gpio_irq_event_ex { IRQ_LOW = 3, IRQ_HIGH =4 }
void	gpio_irq_deinit (gpio_irq_t *obj)
	Deinitializes the GPIO device interrupt mode, include mode/trigger/polarity registers. More...
void	gpio_irq_pull_ctrl (gpio_irq_t *obj, PinMode pull_type)
	Sets pull type to the selected interrupt pin. More...

Detailed Description

gpio IRQ extented functions

Function Documentation

void gpio_irq_deinit

(

gpio_irq_t *

obj

)

Deinitializes the GPIO device interrupt mode, include mode/trigger/polarity registers.

Parameters

obj	gpio irq object define in application software.

Return values

none

void gpio_irq_pull_ctrl	(	gpio_irq_t *	obj,
		PinMode	pull_type
	)

Sets pull type to the selected interrupt pin.

Parameters

obj	gpio irq object define in application software.
pull_type	this parameter can be one of the following values: PullNone: HighZ, user can input high or low use this pin OpenDrain(is OpenDrain output): no pull + OUT + GPIO[gpio_bit] = 0 PullDown: pull down PullUp: pull up

Return values

none