Functions
void	GPIO_DeInit (GPIO_TypeDef *GPIOx)
	Deinitializes the GPIOx peripheral registers to their default reset values.
void	GPIO_AFIODeInit (void)
	Deinitializes the Alternate Functions (remap, event control and EXTI configuration) registers to their default reset values.
void	GPIO_Init (GPIO_TypeDef GPIOx, GPIO_InitTypeDef GPIO_InitStruct)
	Initializes the GPIOx peripheral according to the specified parameters in the GPIO_InitStruct.
void	GPIO_StructInit (GPIO_InitTypeDef *GPIO_InitStruct)
	Fills each GPIO_InitStruct member with its default value.
uint8_t	GPIO_ReadInputDataBit (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
	Reads the specified input port pin.
uint16_t	GPIO_ReadInputData (GPIO_TypeDef *GPIOx)
	Reads the specified GPIO input data port.
uint8_t	GPIO_ReadOutputDataBit (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
	Reads the specified output data port bit.
uint16_t	GPIO_ReadOutputData (GPIO_TypeDef *GPIOx)
	Reads the specified GPIO output data port.
void	GPIO_SetBits (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
	Sets the selected data port bits.
void	GPIO_ResetBits (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
	Clears the selected data port bits.
void	GPIO_WriteBit (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, BitAction BitVal)
	Sets or clears the selected data port bit.
void	GPIO_Write (GPIO_TypeDef *GPIOx, uint16_t PortVal)
	Writes data to the specified GPIO data port.
void	GPIO_PinLockConfig (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
	Locks GPIO Pins configuration registers.
void	GPIO_EventOutputConfig (uint8_t GPIO_PortSource, uint8_t GPIO_PinSource)
	Selects the GPIO pin used as Event output.
void	GPIO_EventOutputCmd (FunctionalState NewState)
	Enables or disables the Event Output.
void	GPIO_PinRemapConfig (uint32_t GPIO_Remap, FunctionalState NewState)
	Changes the mapping of the specified pin.
void	GPIO_EXTILineConfig (uint8_t GPIO_PortSource, uint8_t GPIO_PinSource)
	Selects the GPIO pin used as EXTI Line.
void	GPIO_ETH_MediaInterfaceConfig (uint32_t GPIO_ETH_MediaInterface)
	Selects the Ethernet media interface.

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 )

Deinitializes 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 108 of file stm32f10x_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..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 173 of file stm32f10x_gpio.c.

void GPIO_PinLockConfig	(	GPIO_TypeDef *	GPIOx,
		uint16_t	GPIO_Pin
	)

Locks GPIO Pins configuration registers.

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 432 of file stm32f10x_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.

Parameters:

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

Return values:

GPIO	input data port value.

Definition at line 305 of file stm32f10x_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..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 281 of file stm32f10x_gpio.c.

uint16_t GPIO_ReadOutputData ( GPIO_TypeDef * GPIOx )

Reads the specified GPIO output data port.

Parameters:

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

Return values:

GPIO	output data port value.

Definition at line 343 of file stm32f10x_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..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 320 of file stm32f10x_gpio.c.

void GPIO_ResetBits	(	GPIO_TypeDef *	GPIOx,
		uint16_t	GPIO_Pin
	)

Clears the selected data port bits.

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 374 of file stm32f10x_gpio.c.

void GPIO_SetBits	(	GPIO_TypeDef *	GPIOx,
		uint16_t	GPIO_Pin
	)

Sets the selected data port bits.

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 358 of file stm32f10x_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

Definition at line 266 of file stm32f10x_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..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 417 of file stm32f10x_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..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 394 of file stm32f10x_gpio.c.