AN3128 datasheet(83/105 Pages) STMICROELECTRONICS

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AN3128

Multi-input embedded GUI library firmware

Doc ID 16918 Rev 5

83/105

4.6.25

GL_EXTI_Init HAL function

Table 64 describes the GL_EXTI_Init function of the hardware abstraction layer.

4.6.26

GL_GPIO_EXTILineConfig HAL function

Table 65 describes the GL_GPIO_EXTILineConfig function of the hardware abstraction

layer.

Required preconditions None

Called functions

EXTI_DeInit()

Table 63.

GL_EXTI_DeInit (continued)

Name

Description

Table 64.

GL_EXTI_Init

Name

Description

Function name

GL_EXTI_Init

Function prototype

void GL_EXTI_Init (GL_EXTI_InitTypeDef* EXTI_InitStruct)

Behavior description

Initializes the EXTI peripheral according to the specified parameters in the

EXTI_InitStruct.

Input parameter {x}

EXTI_InitStruct: pointer to an EXTI_InitTypeDef structure that contains the

configuration information for the EXTI peripheral

Output parameter {x}

None

Return value

None

Required preconditions None

Called functions

EXTI_Init (EXTI_InitStruct)

Table 65.

GL_GPIO_EXTILineConfig

Name

Description

Function name

GL_GPIO_EXTILineConfig

Function prototype

void GL_GPIO_EXTILineConfig (GL_uint8_t GPIO_PortSource, GL_uint8_t

GPIO_PinSource)

Behavior description

Selects the GPIO pin used as the EXTI Line

Input parameter {x}

GPIO_PortSource: selects the GPIO port to be used as source for EXTI

lines. This parameter can be GPIO_PortSourceGPIOx where x can be

(A..G).

GPIO_PinSource: specifies the EXTI line to be configured. This parameter

can be GPIO_PinSourcex where x can be (0..15).

Output parameter {x}

None

Return value

None

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