GPIO driver modules. More...

Collaboration diagram for GPIO:

Modules
	GPIO_Private_Functions

	GPIO_Exported_Constants

	GPIO_Exported_Types

	GPIO_Exported_Macros

	GPIO_Exported_Functions

	GPIO_Private_TypesDefinitions

	GPIO_Private_Defines

	GPIO_Private_Macros

	GPIO_Private_Variables

	GPIO_Private_FunctionPrototypes

	Configuration_Mode_enumeration

	Output_type_enumeration

	Output_Maximum_frequency_enumeration

	Configuration_Pull-Up_Pull-Down_enumeration

	Bit_SET_and_Bit_RESET_enumeration

Classes
struct	GPIO_InitTypeDef
	GPIO Init structure definition. More...

Macros
#define	GPIO_Speed_100MHz GPIO_High_Speed

#define	GPIO_Speed_25MHz GPIO_Medium_Speed

#define	GPIO_Speed_2MHz GPIO_Low_Speed

#define	GPIO_Speed_50MHz GPIO_Fast_Speed

#define	IS_GPIO_ALL_PERIPH(PERIPH)

#define	IS_GPIO_ALL_PERIPH(PERIPH)

#define	IS_GPIO_ALL_PERIPH(PERIPH)

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

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

#define	IS_GPIO_LIST_PERIPH(PERIPH)

#define	IS_GPIO_MODE(MODE)

#define	IS_GPIO_MODE(MODE)

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

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

#define	IS_GPIO_PUPD(PUPD)

#define	IS_GPIO_PUPD(PUPD)

#define	IS_GPIO_SPEED(SPEED)

#define	IS_GPIO_SPEED(SPEED)

Enumerations
enum	BitAction { Bit_RESET = 0, Bit_SET, Bit_RESET = 0, Bit_SET, Bit_RESET = 0, Bit_SET, Bit_RESET = 0, Bit_SET }
	GPIO Bit SET and Bit RESET enumeration. More...

enum	BitAction { Bit_RESET = 0, Bit_SET, 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_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_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 Configuration Mode enumeration. More...

enum	GPIOMode_TypeDef { 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_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 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	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	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	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	GPIOSpeed_TypeDef { GPIO_Low_Speed = 0x00, GPIO_Medium_Speed = 0x01, GPIO_Fast_Speed = 0x02, GPIO_High_Speed = 0x03, GPIO_Speed_2MHz = 0x00, GPIO_Speed_25MHz = 0x01, GPIO_Speed_50MHz = 0x02, GPIO_Speed_100MHz = 0x03, GPIO_Speed_10MHz = 1, GPIO_Speed_2MHz, GPIO_Speed_50MHz, GPIO_Speed_Level_1 = 0x01, GPIO_Speed_Level_2 = 0x02, GPIO_Speed_Level_3 = 0x03 }
	GPIO Output Maximum frequency enumeration. More...

enum	GPIOSpeed_TypeDef { GPIO_Low_Speed = 0x00, GPIO_Medium_Speed = 0x01, GPIO_Fast_Speed = 0x02, GPIO_High_Speed = 0x03, GPIO_Speed_2MHz = 0x00, GPIO_Speed_25MHz = 0x01, GPIO_Speed_50MHz = 0x02, GPIO_Speed_100MHz = 0x03, GPIO_Speed_10MHz = 1, GPIO_Speed_2MHz, GPIO_Speed_50MHz, GPIO_Speed_Level_1 = 0x01, GPIO_Speed_Level_2 = 0x02, GPIO_Speed_Level_3 = 0x03 }
	GPIO Output Maximum frequency enumeration. More...

Functions
void	GPIO_DeInit (GPIO_TypeDef *GPIOx)
	De-initializes the GPIOx peripheral registers to their default reset values. More...

void	GPIO_Init (GPIO_TypeDef GPIOx, GPIO_InitTypeDef GPIO_InitStruct)
	Initializes the GPIOx peripheral according to the specified parameters in the GPIO_InitStruct. More...

void	GPIO_PinAFConfig (GPIO_TypeDef *GPIOx, uint16_t GPIO_PinSource, uint8_t GPIO_AF)
	Changes the mapping of the specified pin. More...

void	GPIO_PinLockConfig (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
	Locks GPIO Pins configuration registers. More...

uint16_t	GPIO_ReadInputData (GPIO_TypeDef *GPIOx)
	Reads the specified GPIO input data port. More...

uint8_t	GPIO_ReadInputDataBit (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
	Reads the specified input port pin. More...

uint16_t	GPIO_ReadOutputData (GPIO_TypeDef *GPIOx)
	Reads the specified GPIO output data port. More...

uint8_t	GPIO_ReadOutputDataBit (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
	Reads the specified output data port bit. More...

void	GPIO_ResetBits (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
	Clears the selected data port bits. More...

void	GPIO_SetBits (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
	Sets the selected data port bits. More...

void	GPIO_StructInit (GPIO_InitTypeDef *GPIO_InitStruct)
	Fills each GPIO_InitStruct member with its default value. More...

void	GPIO_ToggleBits (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
	Toggles the specified GPIO pins.. More...

void	GPIO_Write (GPIO_TypeDef *GPIOx, uint16_t PortVal)
	Writes data to the specified GPIO data port. More...

void	GPIO_WriteBit (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, BitAction BitVal)
	Sets or clears the selected data port bit. More...

Detailed Description

GPIO driver modules.

Macro Definition Documentation

#define GPIO_Speed_100MHz GPIO_High_Speed

Definition at line 101 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

#define GPIO_Speed_25MHz GPIO_Medium_Speed

Definition at line 99 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

#define GPIO_Speed_2MHz GPIO_Low_Speed

Definition at line 98 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

#define GPIO_Speed_50MHz GPIO_Fast_Speed

Definition at line 100 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

#define IS_GPIO_ALL_PERIPH ( PERIPH )

Value:

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

Definition at line 50 of file stm32f30x_gpio.h.

#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) || \
                                    ((PERIPH) == GPIOJ) || \
                                    ((PERIPH) == GPIOK))

Definition at line 50 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

#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))

Definition at line 50 of file STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h.

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

Definition at line 118 of file STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h.

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

Definition at line 126 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

#define IS_GPIO_LIST_PERIPH ( PERIPH )

Value:

(((PERIPH) == GPIOA) || \
                                     ((PERIPH) == GPIOB) || \
                                     ((PERIPH) == GPIOD))

Definition at line 57 of file stm32f30x_gpio.h.

#define IS_GPIO_MODE ( MODE )

Value:

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

((MODE) == GPIO_Mode_AF)|| ((MODE) == GPIO_Mode_AN))

GPIO_Mode_OUT

Definition: STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h:67

GPIO_Mode_AN

Definition: STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h:69

GPIO_Mode_IN

Definition: STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h:66

GPIO_Mode_AF

Definition: STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h:68

Definition at line 71 of file STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h.

#define IS_GPIO_MODE ( MODE )

Value:

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

((MODE) == GPIO_Mode_AF)|| ((MODE) == GPIO_Mode_AN))

GPIO_Mode_OUT

Definition: CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h:68

GPIO_Mode_AN

Definition: CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h:70

GPIO_Mode_IN

Definition: CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h:67

GPIO_Mode_AF

Definition: CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h:69

Definition at line 72 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

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

Definition at line 82 of file STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h.

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

Definition at line 83 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

#define IS_GPIO_PUPD ( PUPD )

Value:

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

((PUPD) == GPIO_PuPd_DOWN))

GPIO_PuPd_UP

Definition: STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h:104

GPIO_PuPd_DOWN

Definition: STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h:105

GPIO_PuPd_NOPULL

Definition: STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h:103

Definition at line 107 of file STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h.

#define IS_GPIO_PUPD ( PUPD )

Value:

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

((PUPD) == GPIO_PuPd_DOWN))

GPIO_PuPd_UP

Definition: CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h:112

GPIO_PuPd_DOWN

Definition: CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h:113

GPIO_PuPd_NOPULL

Definition: CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h:111

Definition at line 115 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

#define IS_GPIO_SPEED ( SPEED )

Value:

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

((SPEED) == GPIO_Speed_50MHz)|| ((SPEED) == GPIO_Speed_100MHz))

GPIO_Speed_25MHz

Definition: STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h:91

GPIO_Speed_50MHz

Definition: STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h:92

GPIO_Speed_2MHz

Definition: STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h:90

GPIO_Speed_100MHz

Definition: STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h:93

Definition at line 95 of file STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h.

#define IS_GPIO_SPEED ( SPEED )

Value:

(((SPEED) == GPIO_Low_Speed) || ((SPEED) == GPIO_Medium_Speed) || \

((SPEED) == GPIO_Fast_Speed)|| ((SPEED) == GPIO_High_Speed))

GPIO_High_Speed

Definition: CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h:94

GPIO_Medium_Speed

Definition: CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h:92

GPIO_Fast_Speed

Definition: CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h:93

GPIO_Low_Speed

Definition: CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h:91

Definition at line 103 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

Enumeration Type Documentation

enum BitAction

GPIO Bit SET and Bit RESET enumeration.

Enumerator
Bit_RESET
Bit_SET
Bit_RESET
Bit_SET
Bit_RESET
Bit_SET
Bit_RESET
Bit_SET

Definition at line 113 of file STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h.

enum BitAction

GPIO Bit SET and Bit RESET enumeration.

Enumerator
Bit_RESET
Bit_SET
Bit_RESET
Bit_SET
Bit_RESET
Bit_SET
Bit_RESET
Bit_SET

Definition at line 121 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

enum GPIOMode_TypeDef

GPIO Configuration Mode enumeration.

Enumerator
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_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 In/Out Mode

Definition at line 64 of file STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h.

enum GPIOMode_TypeDef

GPIO Configuration Mode enumeration.

Enumerator
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_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 In/Out Mode

Definition at line 65 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

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

Definition at line 77 of file STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h.

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

Definition at line 78 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

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

Definition at line 101 of file STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h.

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

Definition at line 109 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

enum GPIOSpeed_TypeDef

GPIO Output Maximum frequency enumeration.

Enumerator
GPIO_Low_Speed	Low speed
GPIO_Medium_Speed	Medium speed
GPIO_Fast_Speed	Fast speed
GPIO_High_Speed	High speed
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_10MHz
GPIO_Speed_2MHz
GPIO_Speed_50MHz
GPIO_Speed_Level_1	Fast Speed
GPIO_Speed_Level_2	Meduim Speed
GPIO_Speed_Level_3	High Speed

Definition at line 88 of file STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h.

enum GPIOSpeed_TypeDef

GPIO Output Maximum frequency enumeration.

Enumerator
GPIO_Low_Speed	Low speed
GPIO_Medium_Speed	Medium speed
GPIO_Fast_Speed	Fast speed
GPIO_High_Speed	High speed
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_10MHz
GPIO_Speed_2MHz
GPIO_Speed_50MHz
GPIO_Speed_Level_1	Fast Speed
GPIO_Speed_Level_2	Meduim Speed
GPIO_Speed_Level_3	High Speed

Definition at line 89 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

Function Documentation

void GPIO_DeInit ( GPIO_TypeDef * GPIOx )

De-initializes the GPIOx peripheral registers to their default reset values.

Deinitializes the GPIOx peripheral registers to their default reset values.

Note: By default, The GPIO pins are configured in input floating mode (except JTAG pins).

Parameters

GPIOx where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.

Return values

None

Note: By default, The GPIO pins are configured in input floating mode (except JTAG pins).

Parameters

GPIOx where x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.

Return values

None

Parameters

GPIOx where x can be (A, B, C, D, E or F) to select the GPIO peripheral.

Return values

None	De-initializes the GPIOx peripheral registers to their default reset values.

Parameters

GPIOx where x can be (A..G) to select the GPIO peripheral.

Return values

None

Definition at line 127 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

void GPIO_Init	(	GPIO_TypeDef *	GPIOx,
		GPIO_InitTypeDef *	GPIO_InitStruct
	)

Initializes the GPIOx peripheral according to the specified parameters in the GPIO_InitStruct.

Parameters

GPIOx	where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
GPIO_InitStruct	pointer to a GPIO_InitTypeDef structure that contains the configuration information for the specified GPIO peripheral.

Return values

None

Parameters

GPIOx	where x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
GPIO_InitStruct	pointer to a GPIO_InitTypeDef structure that contains the configuration information for the specified GPIO peripheral.

Return values

None

Parameters

GPIOx	where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
GPIO_InitStruct	pointer to a GPIO_InitTypeDef structure that contains the configuration information for the specified GPIO peripheral.

Note: GPIO_Pin: selects the pin to be configured: GPIO_Pin_0->GPIO_Pin_15 for GPIOA, GPIOB, GPIOC, GPIOD and GPIOE; GPIO_Pin_0->GPIO_Pin_2, GPIO_Pin_4, GPIO_Pin_6, GPIO_Pin_9 and GPIO_Pin_10 for GPIOF.

Return values

None

Parameters

GPIOx	where x can be (A..G) to select the GPIO peripheral.
GPIO_InitStruct	pointer to a GPIO_InitTypeDef structure that contains the configuration information for the specified GPIO peripheral.

Return values

None

Definition at line 202 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

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

Changes the mapping of the specified pin.

Writes data to the specified GPIO data port.

Parameters

GPIOx	where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
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_SPI4: Connect SPI4 pins to AF5 GPIO_AF_SPI5: Connect SPI5 pins to AF5 GPIO_AF_SPI6: Connect SPI6 pins to AF5 GPIO_AF_SAI1: Connect SAI1 pins to AF6 for STM32F42xxx/43xxx devices. 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_UART7: Connect UART7 pins to AF8 GPIO_AF_UART8: Connect UART8 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_FMC: Connect FMC pins to AF12 for STM32F42xxx/43xxx devices. 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_LTDC: Connect LTDC pins to AF14 for STM32F429xx/439xx devices. GPIO_AF_EVENTOUT: Connect EVENTOUT pins to AF15

Return values

None

Parameters

GPIOx	where x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
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_SPI4: Connect SPI4 pins to AF5 GPIO_AF_SPI5: Connect SPI5 pins to AF5 GPIO_AF_SPI6: Connect SPI6 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_UART7: Connect UART7 pins to AF8 GPIO_AF_UART8: Connect UART8 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

Parameters

GPIOx	where x can be (A, B, C, D, E or F) 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_AF	selects the pin to be used as Alternate function. This parameter can be one of the following value: GPIO_AF_0: JTCK-SWCLK, JTDI, JTDO/TRACESW0, JTMS-SWDAT, MCO, NJTRST, TRACED, TRACECK. GPIO_AF_1: OUT, TIM2, TIM15, TIM16, TIM17. GPIO_AF_2: COMP1_OUT, TIM1, TIM2, TIM3, TIM4, TIM8, TIM15, TIM16. GPIO_AF_3: COMP7_OUT, TIM8, TIM15, Touch, HRTIM. GPIO_AF_4: I2C1, I2C2, TIM1, TIM8, TIM16, TIM17. GPIO_AF_5: IR_OUT, I2S2, I2S3, SPI1, SPI2, TIM8, USART4, USART5 GPIO_AF_6: IR_OUT, I2S2, I2S3, SPI2, SPI3, TIM1, TIM8 GPIO_AF_7: AOP2_OUT, CAN, COMP3_OUT, COMP5_OUT, COMP6_OUT, USART1, USART2, USART3. GPIO_AF_8: COMP1_OUT, COMP2_OUT, COMP3_OUT, COMP4_OUT, COMP5_OUT, COMP6_OUT. GPIO_AF_9: AOP4_OUT, CAN, TIM1, TIM8, TIM15. GPIO_AF_10: AOP1_OUT, AOP3_OUT, TIM2, TIM3, TIM4, TIM8, TIM17. GPIO_AF_11: TIM1, TIM8. GPIO_AF_12: TIM1, HRTIM. GPIO_AF_13: HRTIM, AOP2_OUT. GPIO_AF_14: USBDM, USBDP. GPIO_AF_15: OUT.

Note: The pin should already been configured in Alternate Function mode(AF) using GPIO_InitStruct->GPIO_Mode = GPIO_Mode_AF; Refer to the Alternate function mapping table in the device datasheet for the detailed mapping of the system and peripherals alternate function I/O pins.

Return values

None

Definition at line 579 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

void GPIO_PinLockConfig	(	GPIO_TypeDef *	GPIOx,
		uint16_t	GPIO_Pin
	)

Locks GPIO Pins configuration registers.

Locks GPIO Pins configuration registers. The locked registers are GPIOx_MODER, GPIOx_OTYPER, GPIOx_OSPEEDR, GPIOx_PUPDR, GPIOx_AFRL and GPIOx_AFRH.

Note: The locked registers are GPIOx_MODER, GPIOx_OTYPER, GPIOx_OSPEEDR, GPIOx_PUPDR, GPIOx_AFRL and GPIOx_AFRH.; The configuration of the locked GPIO pins can no longer be modified until the next reset.

Parameters

GPIOx	where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
GPIO_Pin	specifies the port bit to be locked. This parameter can be any combination of GPIO_Pin_x where x can be (0..15).

Return values

None

Note: The locked registers are GPIOx_MODER, GPIOx_OTYPER, GPIOx_OSPEEDR, GPIOx_PUPDR, GPIOx_AFRL and GPIOx_AFRH.; The configuration of the locked GPIO pins can no longer be modified until the next reset.

Parameters

GPIOx	where x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
GPIO_Pin	specifies the port bit to be locked. This parameter can be any combination of GPIO_Pin_x where x can be (0..15).

Return values

None

Note: The configuration of the locked GPIO pins can no longer be modified until the next reset.

Parameters

GPIOx	where x can be (A or B or D) to select the GPIO peripheral.
GPIO_Pin	specifies the port bit to be written. This parameter can be any combination of GPIO_Pin_x where x can be (0..15).

Return values

None

Parameters

GPIOx	where x can be (A..G) to select the GPIO peripheral.
GPIO_Pin	specifies the port bit to be written. This parameter can be any combination of GPIO_Pin_x where x can be (0..15).

Return values

None

Definition at line 277 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

uint16_t GPIO_ReadInputData ( GPIO_TypeDef * GPIOx )

Reads the specified GPIO input data port.

Reads the specified input port pin.

Parameters

GPIOx where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.

Return values

GPIO	input data port value.

Parameters

GPIOx where x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.

Return values

GPIO	input data port value.

Parameters

GPIOx where x can be (A, B, C, D, E or F) to select the GPIO peripheral.

Return values

The	input port pin value.

Parameters

GPIOx where x can be (A..G) to select the GPIO peripheral.

Return values

GPIO	input data port value.

Definition at line 349 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

uint8_t GPIO_ReadInputDataBit	(	GPIO_TypeDef *	GPIOx,
		uint16_t	GPIO_Pin
	)

Reads the specified input port pin.

Parameters

GPIOx	where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
GPIO_Pin	specifies the port bit to read. This parameter can be GPIO_Pin_x where x can be (0..15).

Return values

The	input port pin value.

Parameters

GPIOx	where x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
GPIO_Pin	specifies the port bit to read. This parameter can be GPIO_Pin_x where x can be (0..15).

Return values

The	input port pin value.

Parameters

GPIOx	where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
GPIO_Pin	specifies the port bit to read.

Note: This parameter can be GPIO_Pin_x where x can be : (0..15) for GPIOA, GPIOB, GPIOC, GPIOD or GPIOE; (0..2, 4, 6, 9..10) for GPIOF.

Return values

The	input port pin value.

Parameters

GPIOx	where x can be (A..G) to select the GPIO peripheral.
GPIO_Pin	specifies the port bit to read. This parameter can be GPIO_Pin_x where x can be (0..15).

Return values

The	input port pin value.

Definition at line 323 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

uint16_t GPIO_ReadOutputData ( GPIO_TypeDef * GPIOx )

Reads the specified GPIO output data port.

Parameters

GPIOx where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.

Return values

GPIO	output data port value.

Parameters

GPIOx where x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.

Return values

GPIO	output data port value.

Parameters

GPIOx where x can be (A, B, C, D, E or F) to select the GPIO peripheral.

Return values

GPIO	output data port value.

Parameters

GPIOx where x can be (A..G) to select the GPIO peripheral.

Return values

GPIO	output data port value.

Definition at line 392 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

uint8_t GPIO_ReadOutputDataBit	(	GPIO_TypeDef *	GPIOx,
		uint16_t	GPIO_Pin
	)

Reads the specified output data port bit.

Parameters

GPIOx	where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
GPIO_Pin	specifies the port bit to read. This parameter can be GPIO_Pin_x where x can be (0..15).

Return values

The	output port pin value.

Parameters

GPIOx	where x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
GPIO_Pin	specifies the port bit to read. This parameter can be GPIO_Pin_x where x can be (0..15).

Return values

The	output port pin value.

Parameters

GPIOx	where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
GPIO_Pin	Specifies the port bit to read.

Note: This parameter can be GPIO_Pin_x where x can be : (0..15) for GPIOA, GPIOB, GPIOC, GPIOD or GPIOE; (0..2, 4, 6, 9..10) for GPIOF.

Return values

The	output port pin value.

Parameters

GPIOx	where x can be (A..G) to select the GPIO peripheral.
GPIO_Pin	specifies the port bit to read. This parameter can be GPIO_Pin_x where x can be (0..15).

Return values

The	output port pin value.

Definition at line 366 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

void GPIO_ResetBits	(	GPIO_TypeDef *	GPIOx,
		uint16_t	GPIO_Pin
	)

Clears the selected data port bits.

Note: This functions uses GPIOx_BSRR register to allow atomic read/modify accesses. In this way, there is no risk of an IRQ occurring between the read and the modify access.

Parameters

GPIOx	where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
GPIO_Pin	specifies the port bits to be written. This parameter can be any combination of GPIO_Pin_x where x can be (0..15).

Return values

None

Note: This functions uses GPIOx_BSRR register to allow atomic read/modify accesses. In this way, there is no risk of an IRQ occurring between the read and the modify access.

Parameters

GPIOx	where x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
GPIO_Pin	specifies the port bits to be written. This parameter can be any combination of GPIO_Pin_x where x can be (0..15).

Return values

None

Parameters

GPIOx	where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
GPIO_Pin	specifies the port bits to be written.

Note: This parameter can be GPIO_Pin_x where x can be : (0..15) for GPIOA, GPIOB, GPIOC, GPIOD or GPIOE; (0..2, 4, 6, 9..10) for GPIOF.

Return values

None

Parameters

GPIOx	where x can be (A..G) to select the GPIO peripheral.
GPIO_Pin	specifies the port bits to be written. This parameter can be any combination of GPIO_Pin_x where x can be (0..15).

Return values

None

Definition at line 433 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

void GPIO_SetBits	(	GPIO_TypeDef *	GPIOx,
		uint16_t	GPIO_Pin
	)

Sets the selected data port bits.

Note: This functions uses GPIOx_BSRR register to allow atomic read/modify accesses. In this way, there is no risk of an IRQ occurring between the read and the modify access.

Parameters

GPIOx	where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
GPIO_Pin	specifies the port bits to be written. This parameter can be any combination of GPIO_Pin_x where x can be (0..15).

Return values

None

Note: This functions uses GPIOx_BSRR register to allow atomic read/modify accesses. In this way, there is no risk of an IRQ occurring between the read and the modify access.

Parameters

GPIOx	where x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
GPIO_Pin	specifies the port bits to be written. This parameter can be any combination of GPIO_Pin_x where x can be (0..15).

Return values

None

Parameters

GPIOx	where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
GPIO_Pin	specifies the port bits to be written.

Note: This parameter can be GPIO_Pin_x where x can be : (0..15) for GPIOA, GPIOB, GPIOC, GPIOD or GPIOE; (0..2, 4, 6, 9..10) for GPIOF.

Return values

None

Parameters

GPIOx	where x can be (A..G) to select the GPIO peripheral.
GPIO_Pin	specifies the port bits to be written. This parameter can be any combination of GPIO_Pin_x where x can be (0..15).

Return values

None

Definition at line 412 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

void GPIO_StructInit ( GPIO_InitTypeDef * GPIO_InitStruct )

Fills each GPIO_InitStruct member with its default value.

Parameters

GPIO_InitStruct : pointer to a GPIO_InitTypeDef structure which will be initialized.

Return values

None

Parameters

GPIO_InitStruct pointer to a GPIO_InitTypeDef structure which will be initialized.

Return values

None

Parameters

GPIO_InitStruct : pointer to a GPIO_InitTypeDef structure which will be initialized.

Return values

None

Definition at line 254 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

void GPIO_ToggleBits	(	GPIO_TypeDef *	GPIOx,
		uint16_t	GPIO_Pin
	)

Toggles the specified GPIO pins..

Parameters

GPIOx	where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
GPIO_Pin	Specifies the pins to be toggled.

Return values

None

Parameters

GPIOx	where x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
GPIO_Pin	Specifies the pins to be toggled.

Return values

None

Definition at line 496 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

void GPIO_Write	(	GPIO_TypeDef *	GPIOx,
		uint16_t	PortVal
	)

Writes data to the specified GPIO data port.

Parameters

GPIOx	where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
PortVal	specifies the value to be written to the port output data register.

Return values

None

Parameters

GPIOx	where x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
PortVal	specifies the value to be written to the port output data register.

Return values

None

Parameters

GPIOx	where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
PortVal	specifies the value to be written to the port output data register.

Return values

None

Parameters

GPIOx	where x can be (A..G) to select the GPIO peripheral.
PortVal	specifies the value to be written to the port output data register.

Return values

None

Definition at line 480 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

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

Sets or clears the selected data port bit.

Parameters

GPIOx	where x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
GPIO_Pin	specifies the port bit to be written. This parameter can be one of GPIO_Pin_x where x can be (0..15).
BitVal	specifies the value to be written to the selected bit. This parameter can be one of the BitAction enum values: Bit_RESET: to clear the port pin Bit_SET: to set the port pin

Return values

None

Parameters

GPIOx	where x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
GPIO_Pin	specifies the port bit to be written. This parameter can be one of GPIO_Pin_x where x can be (0..15).
BitVal	specifies the value to be written to the selected bit. This parameter can be one of the BitAction enum values: Bit_RESET: to clear the port pin Bit_SET: to set the port pin

Return values

None

Parameters

GPIOx	where x can be (A, B, C, D, E or F) to select the GPIO peripheral.
GPIO_Pin	specifies the port bit to be written.

Note: This parameter can be GPIO_Pin_x where x can be : (0..15) for GPIOA, GPIOB, GPIOC, GPIOD or GPIOE; (0..2, 4, 6, 9..10) for GPIOF.

Parameters

BitVal

specifies the value to be written to the selected bit. This parameter can be one of the BitAction enumeration values:

Bit_RESET: to clear the port pin
Bit_SET: to set the port pin

Return values

None

Parameters

GPIOx	where x can be (A..G) to select the GPIO peripheral.
GPIO_Pin	specifies the port bit to be written. This parameter can be one of GPIO_Pin_x where x can be (0..15).
BitVal	specifies the value to be written to the selected bit. This parameter can be one of the BitAction enum values: Bit_RESET: to clear the port pin Bit_SET: to set the port pin

Return values

None

Definition at line 455 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

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