GPIO driver modules. More...

Collaboration diagram for GPIO:

Data Structures
struct	GPIO_InitTypeDef
	GPIO Init structure definition. More...
Modules
	GPIO_Exported_Types
	GPIO_Exported_Functions
	GPIO_Exported_Constants
	Configuration_Mode_enumeration
	Output_type_enumeration
	Output_Maximum_frequency_enumeration
	Configuration_Pull-Up_Pull-Down_enumeration
	Bit_SET_and_Bit_RESET_enumeration
	GPIO_Private_TypesDefinitions
	GPIO_Private_Defines
	GPIO_Private_Macros
	GPIO_Private_Variables
	GPIO_Private_FunctionPrototypes
	GPIO_Private_Functions
Defines
#define	IS_GPIO_ALL_PERIPH(PERIPH)
#define	IS_GPIO_MODE(MODE)
#define	IS_GPIO_OTYPE(OTYPE) (((OTYPE) == GPIO_OType_PP) \|\| ((OTYPE) == GPIO_OType_OD))
#define	IS_GPIO_SPEED(SPEED)
#define	IS_GPIO_PUPD(PUPD)
#define	IS_GPIO_BIT_ACTION(ACTION) (((ACTION) == Bit_RESET) \|\| ((ACTION) == Bit_SET))
#define	IS_GPIO_ALL_PERIPH(PERIPH)
#define	IS_GPIO_MODE(MODE)
#define	IS_GPIO_OTYPE(OTYPE) (((OTYPE) == GPIO_OType_PP) \|\| ((OTYPE) == GPIO_OType_OD))
#define	IS_GPIO_SPEED(SPEED)
#define	IS_GPIO_PUPD(PUPD)
#define	IS_GPIO_BIT_ACTION(ACTION) (((ACTION) == Bit_RESET) \|\| ((ACTION) == Bit_SET))
#define	IS_GPIO_ALL_PERIPH(PERIPH)
Enumerations
enum	GPIOMode_TypeDef { GPIO_Mode_AIN = 0x0, GPIO_Mode_IN_FLOATING = 0x04, GPIO_Mode_IPD = 0x28, GPIO_Mode_IPU = 0x48, GPIO_Mode_Out_OD = 0x14, GPIO_Mode_Out_PP = 0x10, GPIO_Mode_AF_OD = 0x1C, GPIO_Mode_AF_PP = 0x18, GPIO_Mode_IN = 0x00, GPIO_Mode_OUT = 0x01, GPIO_Mode_AF = 0x02, GPIO_Mode_AN = 0x03, GPIO_Mode_IN = 0x00, GPIO_Mode_OUT = 0x01, GPIO_Mode_AF = 0x02, GPIO_Mode_AN = 0x03, GPIO_Mode_IN = 0x00, GPIO_Mode_OUT = 0x01, GPIO_Mode_AF = 0x02, GPIO_Mode_AN = 0x03 }
	GPIO Configuration Mode enumeration. More...
enum	GPIOOType_TypeDef { GPIO_OType_PP = 0x00, GPIO_OType_OD = 0x01, GPIO_OType_PP = 0x00, GPIO_OType_OD = 0x01, GPIO_OType_PP = 0x00, GPIO_OType_OD = 0x01 }
	GPIO Output type enumeration. More...
enum	GPIOSpeed_TypeDef { GPIO_Speed_10MHz = 1, GPIO_Speed_2MHz, GPIO_Speed_50MHz, GPIO_Speed_2MHz = 0x00, GPIO_Speed_25MHz = 0x01, GPIO_Speed_50MHz = 0x02, GPIO_Speed_100MHz = 0x03, GPIO_Speed_2MHz = 0x00, GPIO_Speed_25MHz = 0x01, GPIO_Speed_50MHz = 0x02, GPIO_Speed_100MHz = 0x03, GPIO_Speed_400KHz = 0x00, GPIO_Speed_2MHz = 0x01, GPIO_Speed_10MHz = 0x02, GPIO_Speed_40MHz = 0x03 }
	GPIO Output Maximum frequency enumeration. More...
enum	GPIOPuPd_TypeDef { GPIO_PuPd_NOPULL = 0x00, GPIO_PuPd_UP = 0x01, GPIO_PuPd_DOWN = 0x02, GPIO_PuPd_NOPULL = 0x00, GPIO_PuPd_UP = 0x01, GPIO_PuPd_DOWN = 0x02, GPIO_PuPd_NOPULL = 0x00, GPIO_PuPd_UP = 0x01, GPIO_PuPd_DOWN = 0x02 }
	GPIO Configuration PullUp PullDown enumeration. More...
enum	BitAction { Bit_RESET = 0, Bit_SET, Bit_RESET = 0, Bit_SET, Bit_RESET = 0, Bit_SET }
	GPIO Bit SET and Bit RESET enumeration. More...
enum	GPIOMode_TypeDef { GPIO_Mode_AIN = 0x0, GPIO_Mode_IN_FLOATING = 0x04, GPIO_Mode_IPD = 0x28, GPIO_Mode_IPU = 0x48, GPIO_Mode_Out_OD = 0x14, GPIO_Mode_Out_PP = 0x10, GPIO_Mode_AF_OD = 0x1C, GPIO_Mode_AF_PP = 0x18, GPIO_Mode_IN = 0x00, GPIO_Mode_OUT = 0x01, GPIO_Mode_AF = 0x02, GPIO_Mode_AN = 0x03, GPIO_Mode_IN = 0x00, GPIO_Mode_OUT = 0x01, GPIO_Mode_AF = 0x02, GPIO_Mode_AN = 0x03, GPIO_Mode_IN = 0x00, GPIO_Mode_OUT = 0x01, GPIO_Mode_AF = 0x02, GPIO_Mode_AN = 0x03 }
	GPIO Configuration Mode enumeration. More...
enum	GPIOOType_TypeDef { GPIO_OType_PP = 0x00, GPIO_OType_OD = 0x01, GPIO_OType_PP = 0x00, GPIO_OType_OD = 0x01, GPIO_OType_PP = 0x00, GPIO_OType_OD = 0x01 }
	GPIO Output type enumeration. More...
enum	GPIOSpeed_TypeDef { GPIO_Speed_10MHz = 1, GPIO_Speed_2MHz, GPIO_Speed_50MHz, GPIO_Speed_2MHz = 0x00, GPIO_Speed_25MHz = 0x01, GPIO_Speed_50MHz = 0x02, GPIO_Speed_100MHz = 0x03, GPIO_Speed_2MHz = 0x00, GPIO_Speed_25MHz = 0x01, GPIO_Speed_50MHz = 0x02, GPIO_Speed_100MHz = 0x03, GPIO_Speed_400KHz = 0x00, GPIO_Speed_2MHz = 0x01, GPIO_Speed_10MHz = 0x02, GPIO_Speed_40MHz = 0x03 }
	GPIO Output Maximum frequency enumeration. More...
enum	GPIOPuPd_TypeDef { GPIO_PuPd_NOPULL = 0x00, GPIO_PuPd_UP = 0x01, GPIO_PuPd_DOWN = 0x02, GPIO_PuPd_NOPULL = 0x00, GPIO_PuPd_UP = 0x01, GPIO_PuPd_DOWN = 0x02, GPIO_PuPd_NOPULL = 0x00, GPIO_PuPd_UP = 0x01, GPIO_PuPd_DOWN = 0x02 }
	GPIO Configuration PullUp PullDown enumeration. More...
enum	BitAction { Bit_RESET = 0, Bit_SET, Bit_RESET = 0, Bit_SET, Bit_RESET = 0, Bit_SET }
	GPIO Bit SET and Bit RESET enumeration. More...
Functions
void	GPIO_DeInit (GPIO_TypeDef *GPIOx)
void	GPIO_Init (GPIO_TypeDef GPIOx, GPIO_InitTypeDef GPIO_InitStruct)
void	GPIO_StructInit (GPIO_InitTypeDef *GPIO_InitStruct)
void	GPIO_PinLockConfig (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
uint8_t	GPIO_ReadInputDataBit (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
uint16_t	GPIO_ReadInputData (GPIO_TypeDef *GPIOx)
uint8_t	GPIO_ReadOutputDataBit (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
uint16_t	GPIO_ReadOutputData (GPIO_TypeDef *GPIOx)
void	GPIO_SetBits (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
void	GPIO_ResetBits (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
void	GPIO_WriteBit (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, BitAction BitVal)
void	GPIO_Write (GPIO_TypeDef *GPIOx, uint16_t PortVal)
void	GPIO_ToggleBits (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
void	GPIO_PinAFConfig (GPIO_TypeDef *GPIOx, uint16_t GPIO_PinSource, uint8_t GPIO_AF)
	Changes the mapping of the specified pin.

Detailed Description

GPIO driver modules.

Define Documentation

#define IS_GPIO_ALL_PERIPH ( PERIPH )

Value:

(((PERIPH) == GPIOA) || \
                                    ((PERIPH) == GPIOB) || \
                                    ((PERIPH) == GPIOC) || \
                                    ((PERIPH) == GPIOD) || \
                                    ((PERIPH) == GPIOE) || \
                                    ((PERIPH) == GPIOF) || \
                                    ((PERIPH) == GPIOG) || \
                                    ((PERIPH) == GPIOH) || \
                                    ((PERIPH) == GPIOI))

#define IS_GPIO_MODE ( MODE )

Value:

(((MODE) == GPIO_Mode_IN)  || ((MODE) == GPIO_Mode_OUT) || \
                            ((MODE) == GPIO_Mode_AF)|| ((MODE) == GPIO_Mode_AN))

#define IS_GPIO_OTYPE ( OTYPE ) (((OTYPE) == GPIO_OType_PP) || ((OTYPE) == GPIO_OType_OD))

#define IS_GPIO_SPEED ( SPEED )

Value:

(((SPEED) == GPIO_Speed_2MHz) || ((SPEED) == GPIO_Speed_25MHz) || \
                              ((SPEED) == GPIO_Speed_50MHz)||  ((SPEED) == GPIO_Speed_100MHz))

#define IS_GPIO_PUPD ( PUPD )

Value:

(((PUPD) == GPIO_PuPd_NOPULL) || ((PUPD) == GPIO_PuPd_UP) || \
                            ((PUPD) == GPIO_PuPd_DOWN))

#define IS_GPIO_BIT_ACTION ( ACTION ) (((ACTION) == Bit_RESET) || ((ACTION) == Bit_SET))

#define IS_GPIO_ALL_PERIPH ( PERIPH )

Value:

(((PERIPH) == GPIOA) || \
                                    ((PERIPH) == GPIOB) || \
                                    ((PERIPH) == GPIOC) || \
                                    ((PERIPH) == GPIOD) || \
                                    ((PERIPH) == GPIOE) || \
                                    ((PERIPH) == GPIOF) || \
                                    ((PERIPH) == GPIOG) || \
                                    ((PERIPH) == GPIOH) || \
                                    ((PERIPH) == GPIOI))

#define IS_GPIO_MODE ( MODE )

Value:

(((MODE) == GPIO_Mode_IN)  || ((MODE) == GPIO_Mode_OUT) || \
                            ((MODE) == GPIO_Mode_AF)|| ((MODE) == GPIO_Mode_AN))

#define IS_GPIO_OTYPE ( OTYPE ) (((OTYPE) == GPIO_OType_PP) || ((OTYPE) == GPIO_OType_OD))

#define IS_GPIO_SPEED ( SPEED )

Value:

(((SPEED) == GPIO_Speed_2MHz) || ((SPEED) == GPIO_Speed_25MHz) || \
                              ((SPEED) == GPIO_Speed_50MHz)||  ((SPEED) == GPIO_Speed_100MHz))

#define IS_GPIO_PUPD ( PUPD )

Value:

(((PUPD) == GPIO_PuPd_NOPULL) || ((PUPD) == GPIO_PuPd_UP) || \
                            ((PUPD) == GPIO_PuPd_DOWN))

#define IS_GPIO_BIT_ACTION ( ACTION ) (((ACTION) == Bit_RESET) || ((ACTION) == Bit_SET))

#define IS_GPIO_ALL_PERIPH ( PERIPH )

Value:

(((PERIPH) == GPIOA) || \
                                    ((PERIPH) == GPIOB) || \
                                    ((PERIPH) == GPIOC) || \
                                    ((PERIPH) == GPIOD) || \
                                    ((PERIPH) == GPIOE) || \
                                    ((PERIPH) == GPIOH) || \
                                    ((PERIPH) == GPIOF) || \
                                    ((PERIPH) == GPIOG))

Enumeration Type Documentation

enum GPIOMode_TypeDef

GPIO Configuration Mode enumeration.

Enumerator:

GPIO_Mode_AIN
GPIO_Mode_IN_FLOATING
GPIO_Mode_IPD
GPIO_Mode_IPU
GPIO_Mode_Out_OD
GPIO_Mode_Out_PP
GPIO_Mode_AF_OD
GPIO_Mode_AF_PP
GPIO_Mode_IN	GPIO Input Mode
GPIO_Mode_OUT	GPIO Output Mode
GPIO_Mode_AF	GPIO Alternate function Mode
GPIO_Mode_AN	GPIO Analog Mode
GPIO_Mode_IN	GPIO Input Mode
GPIO_Mode_OUT	GPIO Output Mode
GPIO_Mode_AF	GPIO Alternate function Mode
GPIO_Mode_AN	GPIO Analog Mode
GPIO_Mode_IN	GPIO Input Mode
GPIO_Mode_OUT	GPIO Output Mode
GPIO_Mode_AF	GPIO Alternate function Mode
GPIO_Mode_AN	GPIO Analog Mode

enum GPIOOType_TypeDef

GPIO Output type enumeration.

Enumerator:

GPIO_OType_PP
GPIO_OType_OD
GPIO_OType_PP
GPIO_OType_OD
GPIO_OType_PP
GPIO_OType_OD

enum GPIOSpeed_TypeDef

GPIO Output Maximum frequency enumeration.

Enumerator:

GPIO_Speed_10MHz
GPIO_Speed_2MHz
GPIO_Speed_50MHz
GPIO_Speed_2MHz	Low speed
GPIO_Speed_25MHz	Medium speed
GPIO_Speed_50MHz	Fast speed
GPIO_Speed_100MHz	High speed on 30 pF (80 MHz Output max speed on 15 pF)
GPIO_Speed_2MHz	Low speed
GPIO_Speed_25MHz	Medium speed
GPIO_Speed_50MHz	Fast speed
GPIO_Speed_100MHz	High speed on 30 pF (80 MHz Output max speed on 15 pF)
GPIO_Speed_400KHz	Very Low Speed
GPIO_Speed_2MHz	Low Speed
GPIO_Speed_10MHz	Medium Speed
GPIO_Speed_40MHz	High Speed

enum GPIOPuPd_TypeDef

GPIO Configuration PullUp PullDown enumeration.

Enumerator:

GPIO_PuPd_NOPULL
GPIO_PuPd_UP
GPIO_PuPd_DOWN
GPIO_PuPd_NOPULL
GPIO_PuPd_UP
GPIO_PuPd_DOWN
GPIO_PuPd_NOPULL
GPIO_PuPd_UP
GPIO_PuPd_DOWN

enum BitAction

GPIO Bit SET and Bit RESET enumeration.

Enumerator:

Bit_RESET
Bit_SET
Bit_RESET
Bit_SET
Bit_RESET
Bit_SET

enum GPIOMode_TypeDef

GPIO Configuration Mode enumeration.

Enumerator:

GPIO_Mode_AIN
GPIO_Mode_IN_FLOATING
GPIO_Mode_IPD
GPIO_Mode_IPU
GPIO_Mode_Out_OD
GPIO_Mode_Out_PP
GPIO_Mode_AF_OD
GPIO_Mode_AF_PP
GPIO_Mode_IN	GPIO Input Mode
GPIO_Mode_OUT	GPIO Output Mode
GPIO_Mode_AF	GPIO Alternate function Mode
GPIO_Mode_AN	GPIO Analog Mode
GPIO_Mode_IN	GPIO Input Mode
GPIO_Mode_OUT	GPIO Output Mode
GPIO_Mode_AF	GPIO Alternate function Mode
GPIO_Mode_AN	GPIO Analog Mode
GPIO_Mode_IN	GPIO Input Mode
GPIO_Mode_OUT	GPIO Output Mode
GPIO_Mode_AF	GPIO Alternate function Mode
GPIO_Mode_AN	GPIO Analog Mode

enum GPIOOType_TypeDef

GPIO Output type enumeration.

Enumerator:

GPIO_OType_PP
GPIO_OType_OD
GPIO_OType_PP
GPIO_OType_OD
GPIO_OType_PP
GPIO_OType_OD

enum GPIOSpeed_TypeDef

GPIO Output Maximum frequency enumeration.

Enumerator:

GPIO_Speed_10MHz
GPIO_Speed_2MHz
GPIO_Speed_50MHz
GPIO_Speed_2MHz	Low speed
GPIO_Speed_25MHz	Medium speed
GPIO_Speed_50MHz	Fast speed
GPIO_Speed_100MHz	High speed on 30 pF (80 MHz Output max speed on 15 pF)
GPIO_Speed_2MHz	Low speed
GPIO_Speed_25MHz	Medium speed
GPIO_Speed_50MHz	Fast speed
GPIO_Speed_100MHz	High speed on 30 pF (80 MHz Output max speed on 15 pF)
GPIO_Speed_400KHz	Very Low Speed
GPIO_Speed_2MHz	Low Speed
GPIO_Speed_10MHz	Medium Speed
GPIO_Speed_40MHz	High Speed

enum GPIOPuPd_TypeDef

GPIO Configuration PullUp PullDown enumeration.

Enumerator:

GPIO_PuPd_NOPULL
GPIO_PuPd_UP
GPIO_PuPd_DOWN
GPIO_PuPd_NOPULL
GPIO_PuPd_UP
GPIO_PuPd_DOWN
GPIO_PuPd_NOPULL
GPIO_PuPd_UP
GPIO_PuPd_DOWN

enum BitAction

GPIO Bit SET and Bit RESET enumeration.

Enumerator:

Bit_RESET
Bit_SET
Bit_RESET
Bit_SET
Bit_RESET
Bit_SET

Function Documentation

void GPIO_DeInit ( GPIO_TypeDef * GPIOx )

void GPIO_Init	(	GPIO_TypeDef *	GPIOx,
		GPIO_InitTypeDef *	GPIO_InitStruct
	)

void GPIO_StructInit ( GPIO_InitTypeDef * GPIO_InitStruct )

void GPIO_PinLockConfig	(	GPIO_TypeDef *	GPIOx,
		uint16_t	GPIO_Pin
	)

uint8_t GPIO_ReadInputDataBit	(	GPIO_TypeDef *	GPIOx,
		uint16_t	GPIO_Pin
	)

uint16_t GPIO_ReadInputData ( GPIO_TypeDef * GPIOx )

uint8_t GPIO_ReadOutputDataBit	(	GPIO_TypeDef *	GPIOx,
		uint16_t	GPIO_Pin
	)

uint16_t GPIO_ReadOutputData ( GPIO_TypeDef * GPIOx )

void GPIO_SetBits	(	GPIO_TypeDef *	GPIOx,
		uint16_t	GPIO_Pin
	)

void GPIO_ResetBits	(	GPIO_TypeDef *	GPIOx,
		uint16_t	GPIO_Pin
	)

void GPIO_WriteBit	(	GPIO_TypeDef *	GPIOx,
		uint16_t	GPIO_Pin,
		BitAction	BitVal
	)

void GPIO_Write	(	GPIO_TypeDef *	GPIOx,
		uint16_t	PortVal
	)

void GPIO_ToggleBits	(	GPIO_TypeDef *	GPIOx,
		uint16_t	GPIO_Pin
	)

void GPIO_PinAFConfig	(	GPIO_TypeDef *	GPIOx,
		uint16_t	GPIO_PinSource,
		uint8_t	GPIO_AF
	)

Changes the mapping of the specified pin.

Parameters:

GPIOx,:	where x can be (A..I) to select the GPIO peripheral.
GPIO_PinSource,:	specifies the pin for the Alternate function. This parameter can be GPIO_PinSourcex where x can be (0..15).
GPIO_AFSelection,:	selects the pin to used as Alternate function. This parameter can be one of the following values: GPIO_AF_RTC_50Hz: Connect RTC_50Hz pin to AF0 (default after reset) GPIO_AF_MCO: Connect MCO pin (MCO1 and MCO2) to AF0 (default after reset) GPIO_AF_TAMPER: Connect TAMPER pins (TAMPER_1 and TAMPER_2) to AF0 (default after reset) GPIO_AF_SWJ: Connect SWJ pins (SWD and JTAG)to AF0 (default after reset) GPIO_AF_TRACE: Connect TRACE pins to AF0 (default after reset) GPIO_AF_TIM1: Connect TIM1 pins to AF1 GPIO_AF_TIM2: Connect TIM2 pins to AF1 GPIO_AF_TIM3: Connect TIM3 pins to AF2 GPIO_AF_TIM4: Connect TIM4 pins to AF2 GPIO_AF_TIM5: Connect TIM5 pins to AF2 GPIO_AF_TIM8: Connect TIM8 pins to AF3 GPIO_AF_TIM9: Connect TIM9 pins to AF3 GPIO_AF_TIM10: Connect TIM10 pins to AF3 GPIO_AF_TIM11: Connect TIM11 pins to AF3 GPIO_AF_I2C1: Connect I2C1 pins to AF4 GPIO_AF_I2C2: Connect I2C2 pins to AF4 GPIO_AF_I2C3: Connect I2C3 pins to AF4 GPIO_AF_SPI1: Connect SPI1 pins to AF5 GPIO_AF_SPI2: Connect SPI2/I2S2 pins to AF5 GPIO_AF_SPI3: Connect SPI3/I2S3 pins to AF6 GPIO_AF_I2S3ext: Connect I2S3ext pins to AF7 GPIO_AF_USART1: Connect USART1 pins to AF7 GPIO_AF_USART2: Connect USART2 pins to AF7 GPIO_AF_USART3: Connect USART3 pins to AF7 GPIO_AF_UART4: Connect UART4 pins to AF8 GPIO_AF_UART5: Connect UART5 pins to AF8 GPIO_AF_USART6: Connect USART6 pins to AF8 GPIO_AF_CAN1: Connect CAN1 pins to AF9 GPIO_AF_CAN2: Connect CAN2 pins to AF9 GPIO_AF_TIM12: Connect TIM12 pins to AF9 GPIO_AF_TIM13: Connect TIM13 pins to AF9 GPIO_AF_TIM14: Connect TIM14 pins to AF9 GPIO_AF_OTG_FS: Connect OTG_FS pins to AF10 GPIO_AF_OTG_HS: Connect OTG_HS pins to AF10 GPIO_AF_ETH: Connect ETHERNET pins to AF11 GPIO_AF_FSMC: Connect FSMC pins to AF12 GPIO_AF_OTG_HS_FS: Connect OTG HS (configured in FS) pins to AF12 GPIO_AF_SDIO: Connect SDIO pins to AF12 GPIO_AF_DCMI: Connect DCMI pins to AF13 GPIO_AF_EVENTOUT: Connect EVENTOUT pins to AF15

Return values:

None

References GPIO_TypeDef::AFR, IS_GPIO_AF, IS_GPIO_ALL_PERIPH, IS_GPIO_PIN_SOURCE, and NUTASSERT.

Referenced by Stm32CanHw1Init(), Stm32CanHw2Init(), Stm32I2cBus1Init(), and Stm32I2cBus2Init().

Data Structures

Modules

Defines

Enumerations

Functions

Detailed Description

Define Documentation

Enumeration Type Documentation

Function Documentation