ST STM32F2

LL GPIO Generic Driver
UM1940
942/1371
DocID028236 Rev 2
Reference Manual to
LL API cross
reference:
ODR ODy LL_GPIO_TogglePin
LL_GPIO_DeInit
Function name
ErrorStatus LL_GPIO_DeInit (GPIO_TypeDef * GPIOx)
Function description
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
LL_GPIO_Init
Function name
ErrorStatus LL_GPIO_Init (GPIO_TypeDef * GPIOx,
LL_GPIO_InitTypeDef * GPIO_InitStruct)
Function description
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
LL_GPIO_StructInit
Function name
void LL_GPIO_StructInit (LL_GPIO_InitTypeDef *
GPIO_InitStruct)
Function description
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:
57.3 GPIO Firmware driver defines
57.3.1 GPIO
Alternate Function
LL_GPIO_AF_0
Select alternate function 0
LL_GPIO_AF_1
Select alternate function 1
LL_GPIO_AF_2
Select alternate function 2