AN3128 datasheet(80/105 Pages) STMICROELECTRONICS

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Multi-input embedded GUI library firmware

AN3128

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Doc ID 16918 Rev 5

4.6.19

GL_GPIO_Init HAL function

Table 58 describes the GL_GPIO_Init function of the hardware abstraction layer.

4.6.20

GL_SPI_Init HAL function

Table 59 describes the GL_SPI_Init function of the hardware abstraction layer.

Behavior description

Create and initialize a new button Hw parameter structure object used by

the micro in order to manage the push button device

Input parameter {x}

None

Output parameter {x}

None

Return value

The created object pointer

Required preconditions None

Called functions

None

Table 57.

NewBtnHwParamObj HAL (continued)

Name

Description

Table 58.

GL_GPIO_Init

Name

Description

Function name

GL_GPIO_Init

Function prototype

void GL_GPIO_Init (GPIO_TypeDef* GPIOx, GL_GPIO_InitTypeDef*

GPIO_InitStruct)

Behavior description

Initializes the GPIOx peripheral according to the specified parameters in the

GPIO_InitStruct

Input parameter {x}

GPIOx: where x can be 1, 2, 3, … to select the GPIO port.

GPIO_InitStruct: pointer to GPIO_InitTypeDef structure that contains the

configuration information for the specified GPIO peripheral

Output parameter {x}

None

Return value

None

Required preconditions None

Called functions

GPIO_Init (GPIOx, GPIO_InitStruct)

Table 59.

GL_SPI_Init

Name

Description

Function name

GL_SPI_Init

Function prototype

void GL_SPI_Init (SPI_TypeDef* SPIx, GL_SPI_InitTypeDef*

SPI_InitStruct)

Behavior description

Initializes the SPIx peripheral according to the specified parameters in the

SPI_InitStruct.

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