Collaboration diagram for GPIO_Exported_Functions:

Functions
void	GPIO_AFIODeInit (void)
	Deinitializes the Alternate Functions (remap, event control and EXTI configuration) registers to their default reset values. More...

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

void	GPIO_ETH_MediaInterfaceConfig (uint32_t GPIO_ETH_MediaInterface)
	Selects the Ethernet media interface. More...

void	GPIO_EventOutputCmd (FunctionalState NewState)
	Enables or disables the Event Output. More...

void	GPIO_EventOutputConfig (uint8_t GPIO_PortSource, uint8_t GPIO_PinSource)
	Selects the GPIO pin used as Event output. More...

void	GPIO_EXTILineConfig (uint8_t GPIO_PortSource, uint8_t GPIO_PinSource)
	Selects the GPIO pin used as EXTI Line. 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_PinLockConfig (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
	Locks GPIO Pins configuration registers. More...

void	GPIO_PinRemapConfig (uint32_t GPIO_Remap, FunctionalState NewState)
	Changes the mapping of the specified pin. 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_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

Function Documentation

void GPIO_AFIODeInit ( void )

Deinitializes the Alternate Functions (remap, event control and EXTI configuration) registers to their default reset values.

Parameters

None

Return values

None

Definition at line 159 of file stm32f10x_gpio.c.

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_ETH_MediaInterfaceConfig ( uint32_t GPIO_ETH_MediaInterface )

Selects the Ethernet media interface.

Note: This function applies only to STM32 Connectivity line devices.

Parameters

GPIO_ETH_MediaInterface

specifies the Media Interface mode. This parameter can be one of the following values:

GPIO_ETH_MediaInterface_MII: MII mode
GPIO_ETH_MediaInterface_RMII: RMII mode

Return values

None

Definition at line 630 of file stm32f10x_gpio.c.

void GPIO_EventOutputCmd ( FunctionalState NewState )

Enables or disables the Event Output.

Parameters

NewState new state of the Event output. This parameter can be: ENABLE or DISABLE.

Return values

None

Definition at line 483 of file stm32f10x_gpio.c.

void GPIO_EventOutputConfig	(	uint8_t	GPIO_PortSource,
		uint8_t	GPIO_PinSource
	)

Selects the GPIO pin used as Event output.

Parameters

GPIO_PortSource	selects the GPIO port to be used as source for Event output. This parameter can be GPIO_PortSourceGPIOx where x can be (A..E).
GPIO_PinSource	specifies the pin for the Event output. This parameter can be GPIO_PinSourcex where x can be (0..15).

Return values

None

Definition at line 462 of file stm32f10x_gpio.c.

void GPIO_EXTILineConfig	(	uint8_t	GPIO_PortSource,
		uint8_t	GPIO_PinSource
	)

Selects the GPIO pin used as EXTI Line.

Parameters

GPIO_PortSource	selects the GPIO port to be used as source for EXTI lines. This parameter can be GPIO_PortSourceGPIOx where x can be (A..G).
GPIO_PinSource	specifies the EXTI line to be configured. This parameter can be GPIO_PinSourcex where x can be (0..15).

Return values

None

Definition at line 609 of file stm32f10x_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_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.

void GPIO_PinRemapConfig	(	uint32_t	GPIO_Remap,
		FunctionalState	NewState
	)

Changes the mapping of the specified pin.

Parameters

GPIO_Remap

selects the pin to remap. This parameter can be one of the following values:

GPIO_Remap_SPI1 : SPI1 Alternate Function mapping
GPIO_Remap_I2C1 : I2C1 Alternate Function mapping
GPIO_Remap_USART1 : USART1 Alternate Function mapping
GPIO_Remap_USART2 : USART2 Alternate Function mapping
GPIO_PartialRemap_USART3 : USART3 Partial Alternate Function mapping
GPIO_FullRemap_USART3 : USART3 Full Alternate Function mapping
GPIO_PartialRemap_TIM1 : TIM1 Partial Alternate Function mapping
GPIO_FullRemap_TIM1 : TIM1 Full Alternate Function mapping
GPIO_PartialRemap1_TIM2 : TIM2 Partial1 Alternate Function mapping
GPIO_PartialRemap2_TIM2 : TIM2 Partial2 Alternate Function mapping
GPIO_FullRemap_TIM2 : TIM2 Full Alternate Function mapping
GPIO_PartialRemap_TIM3 : TIM3 Partial Alternate Function mapping
GPIO_FullRemap_TIM3 : TIM3 Full Alternate Function mapping
GPIO_Remap_TIM4 : TIM4 Alternate Function mapping
GPIO_Remap1_CAN1 : CAN1 Alternate Function mapping
GPIO_Remap2_CAN1 : CAN1 Alternate Function mapping
GPIO_Remap_PD01 : PD01 Alternate Function mapping
GPIO_Remap_TIM5CH4_LSI : LSI connected to TIM5 Channel4 input capture for calibration
GPIO_Remap_ADC1_ETRGINJ : ADC1 External Trigger Injected Conversion remapping
GPIO_Remap_ADC1_ETRGREG : ADC1 External Trigger Regular Conversion remapping
GPIO_Remap_ADC2_ETRGINJ : ADC2 External Trigger Injected Conversion remapping
GPIO_Remap_ADC2_ETRGREG : ADC2 External Trigger Regular Conversion remapping
GPIO_Remap_ETH : Ethernet remapping (only for Connectivity line devices)
GPIO_Remap_CAN2 : CAN2 remapping (only for Connectivity line devices)
GPIO_Remap_SWJ_NoJTRST : Full SWJ Enabled (JTAG-DP + SW-DP) but without JTRST
GPIO_Remap_SWJ_JTAGDisable : JTAG-DP Disabled and SW-DP Enabled
GPIO_Remap_SWJ_Disable : Full SWJ Disabled (JTAG-DP + SW-DP)
GPIO_Remap_SPI3 : SPI3/I2S3 Alternate Function mapping (only for Connectivity line devices) When the SPI3/I2S3 is remapped using this function, the SWJ is configured to Full SWJ Enabled (JTAG-DP + SW-DP) but without JTRST.
GPIO_Remap_TIM2ITR1_PTP_SOF : Ethernet PTP output or USB OTG SOF (Start of Frame) connected to TIM2 Internal Trigger 1 for calibration (only for Connectivity line devices) If the GPIO_Remap_TIM2ITR1_PTP_SOF is enabled the TIM2 ITR1 is connected to Ethernet PTP output. When Reset TIM2 ITR1 is connected to USB OTG SOF output.
GPIO_Remap_PTP_PPS : Ethernet MAC PPS_PTS output on PB05 (only for Connectivity line devices)
GPIO_Remap_TIM15 : TIM15 Alternate Function mapping (only for Value line devices)
GPIO_Remap_TIM16 : TIM16 Alternate Function mapping (only for Value line devices)
GPIO_Remap_TIM17 : TIM17 Alternate Function mapping (only for Value line devices)
GPIO_Remap_CEC : CEC Alternate Function mapping (only for Value line devices)
GPIO_Remap_TIM1_DMA : TIM1 DMA requests mapping (only for Value line devices)
GPIO_Remap_TIM9 : TIM9 Alternate Function mapping (only for XL-density devices)
GPIO_Remap_TIM10 : TIM10 Alternate Function mapping (only for XL-density devices)
GPIO_Remap_TIM11 : TIM11 Alternate Function mapping (only for XL-density devices)
GPIO_Remap_TIM13 : TIM13 Alternate Function mapping (only for High density Value line and XL-density devices)
GPIO_Remap_TIM14 : TIM14 Alternate Function mapping (only for High density Value line and XL-density devices)
GPIO_Remap_FSMC_NADV : FSMC_NADV Alternate Function mapping (only for High density Value line and XL-density devices)
GPIO_Remap_TIM67_DAC_DMA : TIM6/TIM7 and DAC DMA requests remapping (only for High density Value line devices)
GPIO_Remap_TIM12 : TIM12 Alternate Function mapping (only for High density Value line devices)
GPIO_Remap_MISC : Miscellaneous Remap (DMA2 Channel5 Position and DAC Trigger remapping, only for High density Value line devices)

NewState new state of the port pin remapping. This parameter can be: ENABLE or DISABLE.

Return values

None

Definition at line 549 of file stm32f10x_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_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.