Detailed Description

General Purpose Input/Output (GPIO) API.

This module contains functions to control the GPIO peripheral of Silicon Labs 32-bit MCUs and SoCs. The GPIO peripheral is used for pin configuration and direct pin manipulation and sensing as well as routing for peripheral pin connections.

Enumerations
enum	GPIO_DriveMode_TypeDef { gpioDriveModeStandard = GPIO_P_CTRL_DRIVEMODE_STANDARD, gpioDriveModeLowest = GPIO_P_CTRL_DRIVEMODE_LOWEST, gpioDriveModeHigh = GPIO_P_CTRL_DRIVEMODE_HIGH, gpioDriveModeLow = GPIO_P_CTRL_DRIVEMODE_LOW }

enum	GPIO_Mode_TypeDef { gpioModeDisabled = _GPIO_P_MODEL_MODE0_DISABLED, gpioModeInput = _GPIO_P_MODEL_MODE0_INPUT, gpioModeInputPull = _GPIO_P_MODEL_MODE0_INPUTPULL, gpioModeInputPullFilter = _GPIO_P_MODEL_MODE0_INPUTPULLFILTER, gpioModePushPull = _GPIO_P_MODEL_MODE0_PUSHPULL, gpioModePushPullDrive = _GPIO_P_MODEL_MODE0_PUSHPULLDRIVE, gpioModeWiredOr = _GPIO_P_MODEL_MODE0_WIREDOR, gpioModeWiredOrPullDown = _GPIO_P_MODEL_MODE0_WIREDORPULLDOWN, gpioModeWiredAnd = _GPIO_P_MODEL_MODE0_WIREDAND, gpioModeWiredAndFilter = _GPIO_P_MODEL_MODE0_WIREDANDFILTER, gpioModeWiredAndPullUp = _GPIO_P_MODEL_MODE0_WIREDANDPULLUP, gpioModeWiredAndPullUpFilter = _GPIO_P_MODEL_MODE0_WIREDANDPULLUPFILTER, gpioModeWiredAndDrive = _GPIO_P_MODEL_MODE0_WIREDANDDRIVE, gpioModeWiredAndDriveFilter = _GPIO_P_MODEL_MODE0_WIREDANDDRIVEFILTER, gpioModeWiredAndDrivePullUp = _GPIO_P_MODEL_MODE0_WIREDANDDRIVEPULLUP, gpioModeWiredAndDrivePullUpFilter = _GPIO_P_MODEL_MODE0_WIREDANDDRIVEPULLUPFILTER }

enum	GPIO_Port_TypeDef

Functions
void	GPIO_DbgLocationSet (unsigned int location)
	Sets the pin location of the debug pins (Serial Wire interface).

__STATIC_INLINE void	GPIO_DbgSWDClkEnable (bool enable)
	Enable/disable serial wire clock pin.

__STATIC_INLINE void	GPIO_DbgSWDIOEnable (bool enable)
	Enable/disable serial wire data I/O pin.

__STATIC_INLINE void	GPIO_DbgSWOEnable (bool enable)
	Enable/Disable serial wire output pin.

void	GPIO_DriveModeSet ( GPIO_Port_TypeDef port, GPIO_DriveMode_TypeDef mode)
	Sets the drive mode for a GPIO port.

void	GPIO_ExtIntConfig ( GPIO_Port_TypeDef port, unsigned int pin, unsigned int intNo, bool risingEdge, bool fallingEdge, bool enable)
	Configure GPIO external pin interrupt.

__STATIC_INLINE void	GPIO_InputSenseSet (uint32_t val, uint32_t mask)
	Enable/disable input sensing.

__STATIC_INLINE void	GPIO_IntClear (uint32_t flags)
	Clear one or more pending GPIO interrupts.

__STATIC_INLINE void	GPIO_IntConfig ( GPIO_Port_TypeDef port, unsigned int pin, bool risingEdge, bool fallingEdge, bool enable)
	Configure GPIO interrupt.

__STATIC_INLINE void	GPIO_IntDisable (uint32_t flags)
	Disable one or more GPIO interrupts.

__STATIC_INLINE void	GPIO_IntEnable (uint32_t flags)
	Enable one or more GPIO interrupts.

__STATIC_INLINE uint32_t	GPIO_IntGet (void)
	Get pending GPIO interrupts.

__STATIC_INLINE uint32_t	GPIO_IntGetEnabled (void)
	Get enabled and pending GPIO interrupt flags. Useful for handling more interrupt sources in the same interrupt handler.

__STATIC_INLINE void	GPIO_IntSet (uint32_t flags)
	Set one or more pending GPIO interrupts from SW.

__STATIC_INLINE void	GPIO_Lock (void)
	Locks the GPIO configuration.

__STATIC_INLINE unsigned int	GPIO_PinInGet ( GPIO_Port_TypeDef port, unsigned int pin)
	Read the pad value for a single pin in a GPIO port.

GPIO_Mode_TypeDef	GPIO_PinModeGet ( GPIO_Port_TypeDef port, unsigned int pin)
	Get the mode for a GPIO pin.

void	GPIO_PinModeSet ( GPIO_Port_TypeDef port, unsigned int pin, GPIO_Mode_TypeDef mode, unsigned int out)
	Set the mode for a GPIO pin.

__STATIC_INLINE void	GPIO_PinOutClear ( GPIO_Port_TypeDef port, unsigned int pin)
	Set a single pin in GPIO data out port register to 0.

__STATIC_INLINE unsigned int	GPIO_PinOutGet ( GPIO_Port_TypeDef port, unsigned int pin)
	Get current setting for a pin in a GPIO port data out register.

__STATIC_INLINE void	GPIO_PinOutSet ( GPIO_Port_TypeDef port, unsigned int pin)
	Set a single pin in GPIO data out register to 1.

__STATIC_INLINE void	GPIO_PinOutToggle ( GPIO_Port_TypeDef port, unsigned int pin)
	Toggle a single pin in GPIO port data out register.

__STATIC_INLINE uint32_t	GPIO_PortInGet ( GPIO_Port_TypeDef port)
	Read the pad values for GPIO port.

__STATIC_INLINE void	GPIO_PortOutClear ( GPIO_Port_TypeDef port, uint32_t pins)
	Set bits in DOUT register for a port to 0.

__STATIC_INLINE uint32_t	GPIO_PortOutGet ( GPIO_Port_TypeDef port)
	Get current setting for a GPIO port data out register.

__STATIC_INLINE void	GPIO_PortOutSet ( GPIO_Port_TypeDef port, uint32_t pins)
	Set bits GPIO data out register to 1.

__STATIC_INLINE void	GPIO_PortOutSetVal ( GPIO_Port_TypeDef port, uint32_t val, uint32_t mask)
	Set GPIO port data out register.

__STATIC_INLINE void	GPIO_PortOutToggle ( GPIO_Port_TypeDef port, uint32_t pins)
	Toggle pins in GPIO port data out register.

__STATIC_INLINE void	GPIO_Unlock (void)
	Unlocks the GPIO configuration.

Enumeration Type Documentation

enum GPIO_DriveMode_TypeDef

GPIO drive mode.

Enumerator
gpioDriveModeStandard	Default 6mA
gpioDriveModeLowest	0.5 mA
gpioDriveModeHigh	20 mA
gpioDriveModeLow	2 mA

Definition at line 461 of file em_gpio.h .

enum GPIO_Mode_TypeDef

Pin mode. For more details on each mode, please refer to the reference manual.

Enumerator
gpioModeDisabled	Input disabled. Pullup if DOUT is set.
gpioModeInput	Input enabled. Filter if DOUT is set
gpioModeInputPull	Input enabled. DOUT determines pull direction
gpioModeInputPullFilter	Input enabled with filter. DOUT determines pull direction
gpioModePushPull	Push-pull output
gpioModePushPullDrive	Push-pull output with drive-strength set by DRIVEMODE
gpioModeWiredOr	Wired-or output
gpioModeWiredOrPullDown	Wired-or output with pull-down
gpioModeWiredAnd	Open-drain output
gpioModeWiredAndFilter	Open-drain output with filter
gpioModeWiredAndPullUp	Open-drain output with pullup
gpioModeWiredAndPullUpFilter	Open-drain output with filter and pullup
gpioModeWiredAndDrive	Open-drain output with drive-strength set by DRIVEMODE
gpioModeWiredAndDriveFilter	Open-drain output with filter and drive-strength set by DRIVEMODE
gpioModeWiredAndDrivePullUp	Open-drain output with pullup and drive-strength set by DRIVEMODE
gpioModeWiredAndDrivePullUpFilter	Open-drain output with filter, pullup and drive-strength set by DRIVEMODE

Definition at line 496 of file em_gpio.h .

enum GPIO_Port_TypeDef

GPIO ports ids.

Definition at line 423 of file em_gpio.h .

Function Documentation

void GPIO_DbgLocationSet ( unsigned int location )

Sets the pin location of the debug pins (Serial Wire interface).

Note: Changing the pins used for debugging uncontrolled, may result in a lockout.

Parameters

[in] location The debug pin location to use (0-3).

Definition at line 81 of file em_gpio.c .

References _GPIO_ROUTE_SWLOCATION_MASK , _GPIO_ROUTE_SWLOCATION_SHIFT , and GPIO .

Referenced by DBG_SWOEnable() .

__STATIC_INLINE void GPIO_DbgSWDClkEnable ( bool enable )

Enable/disable serial wire clock pin.

Note: Disabling SWDClk will disable the debug interface, which may result in a lockout if done early in startup (before debugger is able to halt core).

Parameters

[in]


              enable

false - disable serial wire clock.
true - enable serial wire clock (default after reset).

Definition at line 567 of file em_gpio.h .

References _GPIO_ROUTE_SWCLKPEN_SHIFT , BUS_RegBitWrite() , and GPIO .

__STATIC_INLINE void GPIO_DbgSWDIOEnable ( bool enable )

Enable/disable serial wire data I/O pin.

Note: Disabling SWDClk will disable the debug interface, which may result in a lockout if done early in startup (before debugger is able to halt core).

Parameters

[in]


              enable

false - disable serial wire data pin.
true - enable serial wire data pin (default after reset).

Definition at line 590 of file em_gpio.h .

References _GPIO_ROUTE_SWDIOPEN_SHIFT , BUS_RegBitWrite() , and GPIO .

__STATIC_INLINE void GPIO_DbgSWOEnable ( bool enable )

Enable/Disable serial wire output pin.

Note: Enabling this pin is not sufficient to fully enable serial wire output which is also dependent on issues outside the GPIO module. Please refer to DBG_SWOEnable() .

Parameters

[in]


              enable

false - disable serial wire viewer pin (default after reset).
true - enable serial wire viewer pin.

Definition at line 615 of file em_gpio.h .

References _GPIO_ROUTE_SWOPEN_SHIFT , BUS_RegBitWrite() , and GPIO .

Referenced by DBG_SWOEnable() .

void GPIO_DriveModeSet	(	GPIO_Port_TypeDef	`port,`
		GPIO_DriveMode_TypeDef	`mode`
	)

Sets the drive mode for a GPIO port.

Parameters

[in]	`port`	The GPIO port to access.
[in]	`mode`	Drive mode to use for port.

Definition at line 109 of file em_gpio.c .

References _GPIO_P_CTRL_DRIVEMODE_MASK , _GPIO_P_CTRL_DRIVEMODE_SHIFT , and GPIO .

Referenced by CAPLESENSE_setupGPIO() .

void GPIO_ExtIntConfig	(	GPIO_Port_TypeDef	`port,`
		unsigned int	`pin,`
		unsigned int	`intNo,`
		bool	`risingEdge,`
		bool	`fallingEdge,`
		bool	`enable`
	)

Configure GPIO external pin interrupt.

It is recommended to disable interrupts before configuring a GPIO pin interrupt. See GPIO_IntDisable() for more information.

The actual GPIO interrupt handler must be in place before enabling the interrupt.

Notice that any pending interrupt for the selected interrupt is cleared by this function.

Note: On series 0 devices the pin number parameter is not used. The pin number used on these devices is hardwired to the interrupt with the same number.
On series 1 devices, pin number can be selected freely within a group. Interrupt numbers are divided into 4 groups (intNo / 4) and valid pin number within the interrupt groups are: 0: pins 0-3 (interrupt number 0-3) 1: pins 4-7 (interrupt number 4-7) 2: pins 8-11 (interrupt number 8-11) 3: pins 12-15 (interrupt number 12-15)

Parameters

[in]	`port`	The port to associate with `pin` .
[in]	`pin`	The pin number on the port.
[in]	`intNo`	The interrupt number to trigger.
[in]	`risingEdge`	Set to true if interrupts shall be enabled on rising edge, otherwise false.
[in]	`fallingEdge`	Set to true if interrupts shall be enabled on falling edge, otherwise false.
[in]	`enable`	Set to true if interrupt shall be enabled after configuration completed, false to leave disabled. See GPIO_IntDisable() and GPIO_IntEnable() .

Definition at line 184 of file em_gpio.c .

References _GPIO_EXTIPSELH_EXTIPSEL8_MASK , _GPIO_EXTIPSELH_EXTIPSEL9_SHIFT , _GPIO_EXTIPSELL_EXTIPSEL0_MASK , _GPIO_EXTIPSELL_EXTIPSEL1_SHIFT , BUS_RegBitWrite() , BUS_RegMaskedWrite() , and GPIO .

Referenced by BOARD_alsEnableIRQ() , BOARD_envSensEnableIRQ() , BOARD_gasSensorEnableIRQ() , BOARD_hallSensorEnableIRQ() , BOARD_imuEnableIRQ() , BOARD_pushButtonEnableIRQ() , and GPIO_IntConfig() .

__STATIC_INLINE void GPIO_InputSenseSet	(	uint32_t	`val,`
		uint32_t	`mask`
	)

Enable/disable input sensing.

Disabling input sensing if not used, can save some energy consumption.

Parameters

[in]	`val`	Bitwise logic OR of one or more of: GPIO_INSENSE_INT - interrupt input sensing. GPIO_INSENSE_PRS - peripheral reflex system input sensing.
[in]	`mask`	Mask containing bitwise logic OR of bits similar as for `val` used to indicate which input sense options to disable/enable.

Definition at line 733 of file em_gpio.h .

References GPIO .

Referenced by ezradio_hal_GpioInit() .

__STATIC_INLINE void GPIO_IntClear ( uint32_t flags )

Clear one or more pending GPIO interrupts.

Parameters

[in] flags Bitwise logic OR of GPIO interrupt sources to clear.

Definition at line 745 of file em_gpio.h .

References GPIO .

Referenced by BOARD_alsClearIRQ() , BOARD_gasSensorClearIRQ() , BOARD_hallSensorClearIRQ() , BOARD_imuClearIRQ() , BOARD_picGetFwRevision() , BOARD_pushButton0ClearIRQ() , BOARD_pushButton1ClearIRQ() , and GPIOINT_CallbackRegister() .

__STATIC_INLINE void GPIO_IntConfig	(	GPIO_Port_TypeDef	`port,`
		unsigned int	`pin,`
		bool	`risingEdge,`
		bool	`fallingEdge,`
		bool	`enable`
	)

Configure GPIO interrupt.

If reconfiguring a GPIO interrupt that is already enabled, it is generally recommended to disable it first, see GPIO_Disable().

The actual GPIO interrupt handler must be in place before enabling the interrupt.

Notice that any pending interrupt for the selected pin is cleared by this function.

Deprecated:: Deprecated function. New code should use GPIO_ExtIntConfig() .

Note: A certain pin number can only be associated with one port. Ie, if GPIO interrupt 1 is assigned to port A/pin 1, then it is not possible to use pin 1 from any other ports for interrupts. Please refer to the reference manual. On devices which implement GPIO_EXTIPINSEL registers a more flexible approach is possible, refer to GPIO_ExtIntConfig() .

Parameters

[in]	`port`	The port to associate with `pin` .
[in]	`pin`	The pin number on the port ( == GPIO EXTI interrupt number).
[in]	`risingEdge`	Set to true if interrupts shall be enabled on rising edge, otherwise false.
[in]	`fallingEdge`	Set to true if interrupts shall be enabled on falling edge, otherwise false.
[in]	`enable`	Set to true if interrupt shall be enabled after configuration completed, false to leave disabled. See GPIO_IntDisable() and GPIO_IntEnable() .

Definition at line 1175 of file em_gpio.h .

References GPIO_ExtIntConfig() .

Referenced by BOARD_init() , BOARD_pushButtonEnableIRQ() , and ezradio_hal_GpioInit() .

__STATIC_INLINE void GPIO_IntDisable ( uint32_t flags )

Disable one or more GPIO interrupts.

Parameters

[in] flags GPIO interrupt sources to disable.

Definition at line 757 of file em_gpio.h .

References GPIO .

Referenced by BOARD_picGetFwRevision() .

__STATIC_INLINE void GPIO_IntEnable ( uint32_t flags )

Enable one or more GPIO interrupts.

Note: Depending on the use, a pending interrupt may already be set prior to enabling the interrupt. Consider using GPIO_IntClear() prior to enabling if such a pending interrupt should be ignored.

Parameters

[in] flags GPIO interrupt sources to enable.

Definition at line 774 of file em_gpio.h .

References GPIO .

Referenced by BOARD_picGetFwRevision() .

__STATIC_INLINE uint32_t GPIO_IntGet ( void )

Get pending GPIO interrupts.

Returns: GPIO interrupt sources pending.

Definition at line 786 of file em_gpio.h .

References GPIO .

__STATIC_INLINE uint32_t GPIO_IntGetEnabled ( void )

Get enabled and pending GPIO interrupt flags. Useful for handling more interrupt sources in the same interrupt handler.

Note: Interrupt flags are not cleared by the use of this function.

Returns

Pending and enabled GPIO interrupt sources. The return value is the bitwise AND combination of

the OR combination of enabled interrupt sources in GPIO_IEN register and
the OR combination of valid interrupt flags in GPIO_IF register.

Definition at line 806 of file em_gpio.h .

References GPIO .

Referenced by GPIOINT_CallbackRegister() .

__STATIC_INLINE void GPIO_IntSet ( uint32_t flags )

Set one or more pending GPIO interrupts from SW.

Parameters

[in] flags GPIO interrupt sources to set to pending.

Definition at line 825 of file em_gpio.h .

References GPIO .

__STATIC_INLINE unsigned int GPIO_PinInGet	(	GPIO_Port_TypeDef	`port,`
		unsigned int	`pin`
	)

Read the pad value for a single pin in a GPIO port.

Parameters

[in]	`port`	The GPIO port to access.
[in]	`pin`	The pin number to read.

Returns: The pin value, 0 or 1.

Definition at line 852 of file em_gpio.h .

References BUS_RegBitRead() , and GPIO .

Referenced by ADC0_IRQHandler() , BSP_McuBoard_UsbVbusOcFlagGet() , ezradio_hal_NirqLevel() , and TOUCH_IsBusy() .

GPIO_Mode_TypeDef GPIO_PinModeGet	(	GPIO_Port_TypeDef	`port,`
		unsigned int	`pin`
	)

Get the mode for a GPIO pin.

Parameters

[in]	`port`	The GPIO port to access.
[in]	`pin`	The pin number in the port.

Returns: The pin mode.

Definition at line 315 of file em_gpio.c .

References GPIO .

void GPIO_PinModeSet	(	GPIO_Port_TypeDef	`port,`
		unsigned int	`pin,`
		GPIO_Mode_TypeDef	`mode,`
		unsigned int	`out`
	)

Set the mode for a GPIO pin.

Parameters

[in]	`port`	The GPIO port to access.
[in]	`pin`	The pin number in the port.
[in]	`mode`	The desired pin mode.
[in]	`out`	Value to set for pin in DOUT register. The DOUT setting is important for even some input mode configurations, determining pull-up/down direction.

Definition at line 266 of file em_gpio.c .

References GPIO , GPIO_PinOutClear() , GPIO_PinOutSet() , and gpioModeDisabled .

Referenced by ADC0_IRQHandler() , BOARD_envSensEnable() , BOARD_flashDeepPowerDown() , BOARD_gasSensorEnable() , BOARD_hallSensorEnable() , BOARD_init() , BSP_BccPinsEnable() , BSP_BusControlModeSet() , BSP_EbiInit() , BSP_initBoard() , BSP_McuBoard_DeInit() , BSP_McuBoard_Init() , BSP_McuBoard_UsbVbusPowerEnable() , CAPLESENSE_setupGPIO() , DBG_SWOEnable() , ezradio_hal_GpioInit() , I2CSPM_Init() , ICM20648_spiInit() , KSZ8851SNL_SPI_Init() , MIC_deInit() , MIC_init() , MICROSD_Deinit() , MICROSD_Init() , MSDD_Init() , RETARGET_SerialEnableFlowControl() , RETARGET_SerialInit() , setupI2C() , SPI_TFT_Init() , TFT_DirectGPIOConfig() , and UTIL_shutdown() .

__STATIC_INLINE void GPIO_PinOutClear	(	GPIO_Port_TypeDef	`port,`
		unsigned int	`pin`
	)

Set a single pin in GPIO data out port register to 0.

Note: In order for the setting to take effect on the output pad, the pin must have been configured properly. If not, it will take effect whenever the pin has been properly configured.

Parameters

[in]	`port`	The GPIO port to access.
[in]	`pin`	The pin to set.

Definition at line 882 of file em_gpio.h .

References BUS_RegMaskedClear() , and GPIO .

Referenced by BOARD_envSensEnable() , BOARD_flashDeepPowerDown() , BOARD_gasSensorEnable() , BOARD_gasSensorWake() , BOARD_hallSensorEnable() , BOARD_imuEnable() , BOARD_ledSet() , BOARD_micEnable() , BOARD_picGetFwRevision() , BOARD_rgbledEnable() , BOARD_rgbledPowerEnable() , BSP_McuBoard_UsbStatusLedEnable() , ezradio_hal_ClearNsel() , ezradio_hal_DeassertShutdown() , GPIO_PinModeSet() , I2CSPM_Init() , KSZ8851SNL_SPI_SetChipSelect() , and SPI_TFT_WriteRegister() .

__STATIC_INLINE unsigned int GPIO_PinOutGet	(	GPIO_Port_TypeDef	`port,`
		unsigned int	`pin`
	)

Get current setting for a pin in a GPIO port data out register.

Parameters

[in]	`port`	The GPIO port to access.
[in]	`pin`	The pin to get setting for.

Returns: The DOUT setting for the requested pin, 0 or 1.

Definition at line 905 of file em_gpio.h .

References BUS_RegBitRead() , and GPIO .

__STATIC_INLINE void GPIO_PinOutSet	(	GPIO_Port_TypeDef	`port,`
		unsigned int	`pin`
	)

Set a single pin in GPIO data out register to 1.

Note: In order for the setting to take effect on the output pad, the pin must have been configured properly. If not, it will take effect whenever the pin has been properly configured.

Parameters

[in]	`port`	The GPIO port to access.
[in]	`pin`	The pin to set.

Definition at line 927 of file em_gpio.h .

References BUS_RegMaskedSet() , and GPIO .

Referenced by BOARD_envSensEnable() , BOARD_flashDeepPowerDown() , BOARD_gasSensorEnable() , BOARD_gasSensorWake() , BOARD_hallSensorEnable() , BOARD_imuEnable() , BOARD_ledSet() , BOARD_micEnable() , BOARD_picGetFwRevision() , BOARD_rgbledEnable() , BOARD_rgbledPowerEnable() , BSP_McuBoard_UsbStatusLedEnable() , ezradio_hal_AssertShutdown() , ezradio_hal_SetNsel() , GPIO_PinModeSet() , I2CSPM_Init() , KSZ8851SNL_SPI_SetChipSelect() , and SPI_TFT_WriteRegister() .

__STATIC_INLINE void GPIO_PinOutToggle	(	GPIO_Port_TypeDef	`port,`
		unsigned int	`pin`
	)

Toggle a single pin in GPIO port data out register.

Note: In order for the setting to take effect on the output pad, the pin must have been configured properly. If not, it will take effect whenever the pin has been properly configured.

Parameters

[in]	`port`	The GPIO port to access.
[in]	`pin`	The pin to toggle.

Definition at line 952 of file em_gpio.h .

References GPIO .

__STATIC_INLINE uint32_t GPIO_PortInGet ( GPIO_Port_TypeDef port )

Read the pad values for GPIO port.

Parameters

[in] port The GPIO port to access.

Definition at line 966 of file em_gpio.h .

References GPIO .

Referenced by BOARD_pushButtonGetState() .

__STATIC_INLINE void GPIO_PortOutClear	(	GPIO_Port_TypeDef	`port,`
		uint32_t	`pins`
	)

Set bits in DOUT register for a port to 0.

Note: In order for the setting to take effect on the output pad, the pin must have been configured properly. If not, it will take effect whenever the pin has been properly configured.

Parameters

[in]	`port`	The GPIO port to access.
[in]	`pins`	Bit mask for bits to clear in DOUT register.

Definition at line 988 of file em_gpio.h .

References BUS_RegMaskedClear() , and GPIO .

__STATIC_INLINE uint32_t GPIO_PortOutGet ( GPIO_Port_TypeDef port )

Get current setting for a GPIO port data out register.

Parameters

[in] port The GPIO port to access.

Returns: The data out setting for the requested port.

Definition at line 1008 of file em_gpio.h .

References GPIO .

__STATIC_INLINE void GPIO_PortOutSet	(	GPIO_Port_TypeDef	`port,`
		uint32_t	`pins`
	)

Set bits GPIO data out register to 1.

Note: In order for the setting to take effect on the respective output pads, the pins must have been configured properly. If not, it will take effect whenever the pin has been properly configured.

Parameters

[in]	`port`	The GPIO port to access.
[in]	`pins`	Bit mask for bits to set to 1 in DOUT register.

Definition at line 1030 of file em_gpio.h .

References BUS_RegMaskedSet() , and GPIO .

__STATIC_INLINE void GPIO_PortOutSetVal	(	GPIO_Port_TypeDef	`port,`
		uint32_t	`val,`
		uint32_t	`mask`
	)

Set GPIO port data out register.

Note: In order for the setting to take effect on the respective output pads, the pins must have been configured properly. If not, it will take effect whenever the pin has been properly configured.

Parameters

[in]	`port`	The GPIO port to access.
[in]	`val`	Value to write to port data out register.
[in]	`mask`	Mask indicating which bits to modify.

Definition at line 1058 of file em_gpio.h .

References GPIO .

__STATIC_INLINE void GPIO_PortOutToggle	(	GPIO_Port_TypeDef	`port,`
		uint32_t	`pins`
	)

Toggle pins in GPIO port data out register.

Note: In order for the setting to take effect on the output pad, the pin must have been configured properly. If not, it will take effect whenever the pin has been properly configured.

Parameters

[in]	`port`	The GPIO port to access.
[in]	`pins`	Bitmask with pins to toggle.

Definition at line 1082 of file em_gpio.h .

References GPIO .

GPIOEMLIB

Detailed Description

Enumerations

Functions

Enumeration Type Documentation

Function Documentation