Initialization and de-initialization functions

Functions
ErrorStatus	LL_GPIO_DeInit (GPIO_TypeDef *GPIOx)
	De-initialize GPIO registers (Registers restored to their default values).
ErrorStatus	LL_GPIO_Init (GPIO_TypeDef *GPIOx, LL_GPIO_InitTypeDef *GPIO_InitStruct)
	Initialize GPIO registers according to the specified parameters in GPIO_InitStruct.
void	LL_GPIO_StructInit (LL_GPIO_InitTypeDef *GPIO_InitStruct)
	Set each LL_GPIO_InitTypeDef field to default value.

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Function Documentation

ErrorStatus LL_GPIO_DeInit

(

GPIO_TypeDef *

GPIOx

)

De-initialize GPIO registers (Registers restored to their default values).

Parameters:

GPIOx

GPIO Port

Return values:

An	ErrorStatus enumeration value: SUCCESS: GPIO registers are de-initialized ERROR: Wrong GPIO Port

Definition at line 120 of file stm32f4xx_ll_gpio.c.

References assert_param, LL_AHB1_GRP1_ForceReset(), LL_AHB1_GRP1_PERIPH_GPIOA, LL_AHB1_GRP1_PERIPH_GPIOB, LL_AHB1_GRP1_PERIPH_GPIOC, LL_AHB1_GRP1_PERIPH_GPIOD, LL_AHB1_GRP1_PERIPH_GPIOE, LL_AHB1_GRP1_PERIPH_GPIOF, LL_AHB1_GRP1_PERIPH_GPIOG, LL_AHB1_GRP1_PERIPH_GPIOH, LL_AHB1_GRP1_PERIPH_GPIOI, LL_AHB1_GRP1_PERIPH_GPIOJ, LL_AHB1_GRP1_PERIPH_GPIOK, and LL_AHB1_GRP1_ReleaseReset().

ErrorStatus LL_GPIO_Init	(	GPIO_TypeDef *	GPIOx,
		LL_GPIO_InitTypeDef *	GPIO_InitStruct
	)

Initialize GPIO registers according to the specified parameters in GPIO_InitStruct.

Parameters:

GPIOx	GPIO Port
GPIO_InitStruct	pointer to a LL_GPIO_InitTypeDef structure that contains the configuration information for the specified GPIO peripheral.

Return values:

An	ErrorStatus enumeration value: SUCCESS: GPIO registers are initialized according to GPIO_InitStruct content ERROR: Not applicable

Definition at line 216 of file stm32f4xx_ll_gpio.c.

References LL_GPIO_InitTypeDef::Alternate, assert_param, IS_LL_GPIO_ALTERNATE, IS_LL_GPIO_MODE, IS_LL_GPIO_OUTPUT_TYPE, IS_LL_GPIO_PIN, IS_LL_GPIO_PULL, IS_LL_GPIO_SPEED, LL_GPIO_MODE_ALTERNATE, LL_GPIO_MODE_OUTPUT, LL_GPIO_SetAFPin_0_7(), LL_GPIO_SetAFPin_8_15(), LL_GPIO_SetPinMode(), LL_GPIO_SetPinOutputType(), LL_GPIO_SetPinPull(), LL_GPIO_SetPinSpeed(), LL_GPIO_InitTypeDef::Mode, LL_GPIO_InitTypeDef::OutputType, LL_GPIO_InitTypeDef::Pin, LL_GPIO_InitTypeDef::Pull, and LL_GPIO_InitTypeDef::Speed.

void LL_GPIO_StructInit

(

LL_GPIO_InitTypeDef *

GPIO_InitStruct

)

Set each LL_GPIO_InitTypeDef field to default value.

Parameters:

GPIO_InitStruct

pointer to a LL_GPIO_InitTypeDef structure whose fields will be set to default values.

Return values:

None

Definition at line 292 of file stm32f4xx_ll_gpio.c.

References LL_GPIO_InitTypeDef::Alternate, LL_GPIO_AF_0, LL_GPIO_MODE_ANALOG, LL_GPIO_OUTPUT_PUSHPULL, LL_GPIO_PIN_ALL, LL_GPIO_PULL_NO, LL_GPIO_SPEED_FREQ_LOW, LL_GPIO_InitTypeDef::Mode, LL_GPIO_InitTypeDef::OutputType, LL_GPIO_InitTypeDef::Pin, LL_GPIO_InitTypeDef::Pull, and LL_GPIO_InitTypeDef::Speed.