STM32F4 DISCOVERY LOW LEVEL BUTTON Functions

Functions
void	BSP_PB_Init (Button_TypeDef Button, ButtonMode_TypeDef Mode)
	Configures Button GPIO and EXTI Line.
uint32_t	BSP_PB_GetState (Button_TypeDef Button)
	Returns the selected Button state.

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Function Documentation

uint32_t BSP_PB_GetState

(

Button_TypeDef

Button

)

Returns the selected Button state.

Parameters:

Button,:

Specifies the Button to be checked. This parameter should be: BUTTON_KEY

Return values:

The	Button GPIO pin value.

Definition at line 289 of file stm32f4_discovery.c.

References BUTTON_PIN, and BUTTON_PORT.

void BSP_PB_Init	(	Button_TypeDef	Button,
		ButtonMode_TypeDef	Mode
	)

Configures Button GPIO and EXTI Line.

Parameters:

Button,:	Specifies the Button to be configured. This parameter should be: BUTTON_KEY
Mode,:	Specifies Button mode. This parameter can be one of following parameters: BUTTON_MODE_GPIO: Button will be used as simple IO BUTTON_MODE_EXTI: Button will be connected to EXTI line with interrupt generation capability

Definition at line 250 of file stm32f4_discovery.c.

References BUTTON_IRQn, BUTTON_MODE_EXTI, BUTTON_MODE_GPIO, BUTTON_PIN, BUTTON_PORT, and BUTTONx_GPIO_CLK_ENABLE.