Functions
void	GPIO_DeInit (GPIO_TypeDef *GPIOx)
	Deinitializes the GPIOx peripheral registers to their default reset values.
void	GPIO_ExternalPullUpConfig (GPIO_TypeDef *GPIOx, GPIO_Pin_TypeDef GPIO_Pin, FunctionalState NewState)
	Configures the external pull-up on GPIOx pins.
void	GPIO_Init (GPIO_TypeDef *GPIOx, GPIO_Pin_TypeDef GPIO_Pin, GPIO_Mode_TypeDef GPIO_Mode)
	Initializes the GPIOx according to the specified parameters.
uint8_t	GPIO_ReadInputData (GPIO_TypeDef *GPIOx)
	Reads the specified GPIO input data port.
BitStatus	GPIO_ReadInputPin (GPIO_TypeDef *GPIOx, GPIO_Pin_TypeDef GPIO_Pin)
	Reads the specified GPIO input data pin.
uint8_t	GPIO_ReadOutputData (GPIO_TypeDef *GPIOx)
	Reads the specified GPIO output data port.
void	GPIO_Write (GPIO_TypeDef *GPIOx, uint8_t PortVal)
	Writes data to the specified GPIO data port.
void	GPIO_WriteHigh (GPIO_TypeDef *GPIOx, GPIO_Pin_TypeDef PortPins)
	Writes high level to the specified GPIO pins.
void	GPIO_WriteLow (GPIO_TypeDef *GPIOx, GPIO_Pin_TypeDef PortPins)
	Writes low level to the specified GPIO pins.
void	GPIO_WriteReverse (GPIO_TypeDef *GPIOx, GPIO_Pin_TypeDef PortPins)
	Writes reverse level to the specified GPIO pins.

Function Documentation

void GPIO_DeInit ( GPIO_TypeDef * GPIOx )

Deinitializes the GPIOx peripheral registers to their default reset values.

Parameters:

GPIOx,: Select the GPIO peripheral number (x = A to I).

Return values:

None

Definition at line 53 of file stm8s_gpio.c.

References GPIO_struct::CR1, GPIO_struct::CR2, GPIO_struct::DDR, GPIO_CR1_RESET_VALUE, GPIO_CR2_RESET_VALUE, GPIO_DDR_RESET_VALUE, GPIO_ODR_RESET_VALUE, and GPIO_struct::ODR.

void GPIO_ExternalPullUpConfig	(	GPIO_TypeDef *	GPIOx,
		GPIO_Pin_TypeDef	GPIO_Pin,
		FunctionalState	NewState
	)

Configures the external pull-up on GPIOx pins.

Parameters:

GPIOx	: Select the GPIO peripheral number (x = A to I).
GPIO_Pin	: Specifies the pin number
NewState	: The new state of the pull up pin.

Return values:

None

Definition at line 225 of file stm8s_gpio.c.

References assert_param, GPIO_struct::CR1, DISABLE, IS_FUNCTIONALSTATE_OK, and IS_GPIO_PIN_OK.

Referenced by SD_LowLevel_Init().

void GPIO_Init	(	GPIO_TypeDef *	GPIOx,
		GPIO_Pin_TypeDef	GPIO_Pin,
		GPIO_Mode_TypeDef	GPIO_Mode
	)

Initializes the GPIOx according to the specified parameters.

Parameters:

GPIOx	: Select the GPIO peripheral number (x = A to I).
GPIO_Pin	: This parameter contains the pin number, it can be any value of the GPIO_Pin_TypeDef enumeration.
GPIO_Mode	: This parameter can be a value of the GPIO_Mode_TypeDef enumeration.

Return values:

None

Definition at line 71 of file stm8s_gpio.c.

References assert_param, GPIO_struct::CR1, GPIO_struct::CR2, GPIO_struct::DDR, IS_GPIO_MODE_OK, IS_GPIO_PIN_OK, and GPIO_struct::ODR.

Referenced by ADC_Config(), main(), Multiplexer_EvalBoard_Config(), SD_LowLevel_DeInit(), SD_LowLevel_Init(), sEE_LowLevel_DeInit(), STM8S_EVAL_LCD_Init(), STM_EVAL_LEDInit(), and STM_EVAL_PBInit().

uint8_t GPIO_ReadInputData ( GPIO_TypeDef * GPIOx )

Reads the specified GPIO input data port.

Note:: The port must be configured in input mode.

Parameters:

GPIOx : Select the GPIO peripheral number (x = A to I).

Return values:

GPIO	input data port value.

Definition at line 202 of file stm8s_gpio.c.

References GPIO_struct::IDR.

Referenced by INTERRUPT_HANDLER(), main(), and SD_Detect().

BitStatus GPIO_ReadInputPin	(	GPIO_TypeDef *	GPIOx,
		GPIO_Pin_TypeDef	GPIO_Pin
	)

Reads the specified GPIO input data pin.

Parameters:

GPIOx	: Select the GPIO peripheral number (x = A to I).
GPIO_Pin	: Specifies the pin number.

Return values:

BitStatus : GPIO input pin status.

Definition at line 213 of file stm8s_gpio.c.

References GPIO_struct::IDR.

Referenced by STM_EVAL_PBGetState().

uint8_t GPIO_ReadOutputData ( GPIO_TypeDef * GPIOx )

Reads the specified GPIO output data port.

Note:: The port must be configured in input mode.

Parameters:

GPIOx : Select the GPIO peripheral number (x = A to I).

Return values:

GPIO	output data port value.

Definition at line 191 of file stm8s_gpio.c.

References GPIO_struct::ODR.

void GPIO_Write	(	GPIO_TypeDef *	GPIOx,
		uint8_t	PortVal
	)

Writes data to the specified GPIO data port.

Note:: The port must be configured in output mode.

Parameters:

GPIOx	: Select the GPIO peripheral number (x = A to I).
GPIO_PortVal	: Specifies the value to be written to the port output data register.

Return values:

None

Definition at line 141 of file stm8s_gpio.c.

References GPIO_struct::ODR.

void GPIO_WriteHigh	(	GPIO_TypeDef *	GPIOx,
		GPIO_Pin_TypeDef	PortPins
	)

Writes high level to the specified GPIO pins.

Note:: The port must be configured in output mode.

Parameters:

GPIOx	: Select the GPIO peripheral number (x = A to I).
PortPins	: Specifies the pins to be turned high to the port output. data register.

Return values:

None

Definition at line 154 of file stm8s_gpio.c.

References GPIO_struct::ODR.

Referenced by LCD_BacklightCmd(), and main().

void GPIO_WriteLow	(	GPIO_TypeDef *	GPIOx,
		GPIO_Pin_TypeDef	PortPins
	)

Writes low level to the specified GPIO pins.

Note:: The port must be configured in output mode.

Parameters:

GPIOx	: Select the GPIO peripheral number (x = A to I).
PortPins	: Specifies the pins to be turned low to the port output. data register.

Return values:

None

Definition at line 167 of file stm8s_gpio.c.

References GPIO_struct::ODR.

Referenced by INTERRUPT_HANDLER(), LCD_BacklightCmd(), and main().

void GPIO_WriteReverse	(	GPIO_TypeDef *	GPIOx,
		GPIO_Pin_TypeDef	PortPins
	)

Writes reverse level to the specified GPIO pins.

Note:: The port must be configured in output mode.

Parameters:

GPIOx	: Select the GPIO peripheral number (x = A to I).
PortPins	: Specifies the pins to be reversed to the port output. data register.

Return values:

None

Definition at line 180 of file stm8s_gpio.c.

References GPIO_struct::ODR.

Referenced by INTERRUPT_HANDLER(), and main().

STM8S/A Standard Peripherals Firmware Library: GPIO_Public_Functions

STM8S/A

Functions

Function Documentation

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