Defined Constants and Types for the LM4F General Purpose I/O More...

Collaboration diagram for General Purpose I/O Defines:

Modules
	GPIO register base addresses

	GPIO pin identifiers

Macros
#define	GPIO_DATA(port) (&MMIO32((port) + 0x000))

#define	GPIO_DIR(port) MMIO32((port) + 0x400)

#define	GPIO_IS(port) MMIO32((port) + 0x404)

#define	GPIO_IBE(port) MMIO32((port) + 0x408)

#define	GPIO_IEV(port) MMIO32((port) + 0x40c)

#define	GPIO_IM(port) MMIO32((port) + 0x410)

#define	GPIO_RIS(port) MMIO32((port) + 0x414)

#define	GPIO_MIS(port) MMIO32((port) + 0x418)

#define	GPIO_ICR(port) MMIO32((port) + 0x41c)

#define	GPIO_AFSEL(port) MMIO32((port) + 0x420)

#define	GPIO_DR2R(port) MMIO32((port) + 0x500)

#define	GPIO_DR4R(port) MMIO32((port) + 0x504)

#define	GPIO_DR8R(port) MMIO32((port) + 0x508)

#define	GPIO_ODR(port) MMIO32((port) + 0x50c)

#define	GPIO_PUR(port) MMIO32((port) + 0x510)

#define	GPIO_PDR(port) MMIO32((port) + 0x514)

#define	GPIO_SLR(port) MMIO32((port) + 0x518)

#define	GPIO_DEN(port) MMIO32((port) + 0x51c)

#define	GPIO_LOCK(port) MMIO32((port) + 0x520)

#define	GPIO_CR(port) MMIO32((port) + 0x524)

#define	GPIO_AMSEL(port) MMIO32((port) + 0x528)

#define	GPIO_PCTL(port) MMIO32((port) + 0x52C)

#define	GPIO_ADCCTL(port) MMIO32((port) + 0x530)

#define	GPIO_DMACTL(port) MMIO32((port) + 0x534)

#define	GPIO_PERIPH_ID4(port) MMIO32((port) + 0xFD0)

#define	GPIO_PERIPH_ID5(port) MMIO32((port) + 0xFD4)

#define	GPIO_PERIPH_ID6(port) MMIO32((port) + 0xFD8)

#define	GPIO_PERIPH_ID7(port) MMIO32((port) + 0xFDC)

#define	GPIO_PERIPH_ID0(port) MMIO32((port) + 0xFE0)

#define	GPIO_PERIPH_ID1(port) MMIO32((port) + 0xFE4)

#define	GPIO_PERIPH_ID2(port) MMIO32((port) + 0xFE8)

#define	GPIO_PERIPH_ID3(port) MMIO32((port) + 0xFEC)

#define	GPIO_PCELL_ID0(port) MMIO32((port) + 0xFF0)

#define	GPIO_PCELL_ID1(port) MMIO32((port) + 0xFF4)

#define	GPIO_PCELL_ID2(port) MMIO32((port) + 0xFF8)

#define	GPIO_PCELL_ID3(port) MMIO32((port) + 0xFFC)

Enumerations
enum	gpio_mode { GPIO_MODE_OUTPUT , GPIO_MODE_INPUT , GPIO_MODE_ANALOG }

enum	gpio_pullup { GPIO_PUPD_NONE , GPIO_PUPD_PULLUP , GPIO_PUPD_PULLDOWN }

enum	gpio_output_type { GPIO_OTYPE_PP , GPIO_OTYPE_OD }

enum	gpio_drive_strength { GPIO_DRIVE_2MA , GPIO_DRIVE_4MA , GPIO_DRIVE_8MA , GPIO_DRIVE_8MA_SLEW_CTL }

enum	gpio_trigger { GPIO_TRIG_LVL_LOW , GPIO_TRIG_LVL_HIGH , GPIO_TRIG_EDGE_FALL , GPIO_TRIG_EDGE_RISE , GPIO_TRIG_EDGE_BOTH }

Functions
void	gpio_enable_ahb_aperture (void)
	Enable access to GPIO registers via the AHB aperture. More...

void	gpio_mode_setup (uint32_t gpioport, enum gpio_mode mode, enum gpio_pullup pullup, uint8_t gpios)
	Configure a group of pins. More...

void	gpio_set_output_config (uint32_t gpioport, enum gpio_output_type otype, enum gpio_drive_strength drive, uint8_t gpios)
	Configure output parameters of a group of pins. More...

void	gpio_set_af (uint32_t gpioport, uint8_t alt_func_num, uint8_t gpios)
	Multiplex group of pins to the given alternate function. More...

void	gpio_toggle (uint32_t gpioport, uint8_t gpios)
	Toggle a Group of Pins. More...

void	gpio_unlock_commit (uint32_t gpioport, uint8_t gpios)
	Unlock the commit control of a special function pin. More...

void	gpio_configure_trigger (uint32_t gpioport, enum gpio_trigger trigger, uint8_t gpios)
	Configure the interrupt trigger on the given GPIO pins. More...

void	gpio_enable_interrupts (uint32_t gpioport, uint8_t gpios)
	Enable interrupts on specified GPIO pins. More...

void	gpio_disable_interrupts (uint32_t gpioport, uint8_t gpios)
	Disable interrupts on specified GPIO pins. More...

static void	gpio_write (uint32_t gpioport, uint8_t gpios, uint8_t data)
	Set level of a Group of Pins (atomic) More...

static void	gpio_set (uint32_t gpioport, uint8_t gpios)
	Set a Group of Pins (atomic) More...

static void	gpio_clear (uint32_t gpioport, uint8_t gpios)
	Clear a Group of Pins (atomic) More...

static uint8_t	gpio_port_read (uint32_t gpioport)
	Read level of all pins from a port (atomic) More...

static void	gpio_port_write (uint32_t gpioport, uint8_t data)
	Set level of of all pins from a port (atomic) More...

static void	gpio_clear_interrupt_flag (uint32_t gpioport, uint8_t gpios)
	Mark interrupt as serviced. More...

Detailed Description

Defined Constants and Types for the LM4F General Purpose I/O

Version: 1.0.0

Author: © 2011 Gareth McMullin garet.nosp@m.h@bl.nosp@m.acksp.nosp@m.here.nosp@m..co.n.nosp@m.z; © 2013 Alexandru Gagniuc mr.nu.nosp@m.ke.m.nosp@m.e@gma.nosp@m.il.c.nosp@m.om

Date: 16 March 2013

LGPL License Terms libopencm3 License

Macro Definition Documentation

◆ GPIO_ADCCTL

#define GPIO_ADCCTL ( port ) MMIO32((port) + 0x530)

Definition at line 159 of file gpio.h.

◆ GPIO_AFSEL

#define GPIO_AFSEL ( port ) MMIO32((port) + 0x420)

Definition at line 120 of file gpio.h.

◆ GPIO_AMSEL

#define GPIO_AMSEL ( port ) MMIO32((port) + 0x528)

Definition at line 153 of file gpio.h.

◆ GPIO_CR

#define GPIO_CR ( port ) MMIO32((port) + 0x524)

Definition at line 150 of file gpio.h.

◆ GPIO_DATA

#define GPIO_DATA ( port ) (&MMIO32((port) + 0x000))

Definition at line 93 of file gpio.h.

◆ GPIO_DEN

#define GPIO_DEN ( port ) MMIO32((port) + 0x51c)

Definition at line 144 of file gpio.h.

◆ GPIO_DIR

#define GPIO_DIR ( port ) MMIO32((port) + 0x400)

Definition at line 96 of file gpio.h.

◆ GPIO_DMACTL

#define GPIO_DMACTL ( port ) MMIO32((port) + 0x534)

Definition at line 162 of file gpio.h.

◆ GPIO_DR2R

#define GPIO_DR2R ( port ) MMIO32((port) + 0x500)

Definition at line 123 of file gpio.h.

◆ GPIO_DR4R

#define GPIO_DR4R ( port ) MMIO32((port) + 0x504)

Definition at line 126 of file gpio.h.

◆ GPIO_DR8R

#define GPIO_DR8R ( port ) MMIO32((port) + 0x508)

Definition at line 129 of file gpio.h.

◆ GPIO_IBE

#define GPIO_IBE ( port ) MMIO32((port) + 0x408)

Definition at line 102 of file gpio.h.

◆ GPIO_ICR

#define GPIO_ICR ( port ) MMIO32((port) + 0x41c)

Definition at line 117 of file gpio.h.

◆ GPIO_IEV

#define GPIO_IEV ( port ) MMIO32((port) + 0x40c)

Definition at line 105 of file gpio.h.

◆ GPIO_IM

#define GPIO_IM ( port ) MMIO32((port) + 0x410)

Definition at line 108 of file gpio.h.

◆ GPIO_IS

#define GPIO_IS ( port ) MMIO32((port) + 0x404)

Definition at line 99 of file gpio.h.

◆ GPIO_LOCK

#define GPIO_LOCK ( port ) MMIO32((port) + 0x520)

Definition at line 147 of file gpio.h.

◆ GPIO_MIS

#define GPIO_MIS ( port ) MMIO32((port) + 0x418)

Definition at line 114 of file gpio.h.

◆ GPIO_ODR

#define GPIO_ODR ( port ) MMIO32((port) + 0x50c)

Definition at line 132 of file gpio.h.

◆ GPIO_PCELL_ID0

#define GPIO_PCELL_ID0 ( port ) MMIO32((port) + 0xFF0)

Definition at line 175 of file gpio.h.

◆ GPIO_PCELL_ID1

#define GPIO_PCELL_ID1 ( port ) MMIO32((port) + 0xFF4)

Definition at line 176 of file gpio.h.

◆ GPIO_PCELL_ID2

#define GPIO_PCELL_ID2 ( port ) MMIO32((port) + 0xFF8)

Definition at line 177 of file gpio.h.

◆ GPIO_PCELL_ID3

#define GPIO_PCELL_ID3 ( port ) MMIO32((port) + 0xFFC)

Definition at line 178 of file gpio.h.

◆ GPIO_PCTL

#define GPIO_PCTL ( port ) MMIO32((port) + 0x52C)

Definition at line 156 of file gpio.h.

◆ GPIO_PDR

#define GPIO_PDR ( port ) MMIO32((port) + 0x514)

Definition at line 138 of file gpio.h.

◆ GPIO_PERIPH_ID0

#define GPIO_PERIPH_ID0 ( port ) MMIO32((port) + 0xFE0)

Definition at line 169 of file gpio.h.

◆ GPIO_PERIPH_ID1

#define GPIO_PERIPH_ID1 ( port ) MMIO32((port) + 0xFE4)

Definition at line 170 of file gpio.h.

◆ GPIO_PERIPH_ID2

#define GPIO_PERIPH_ID2 ( port ) MMIO32((port) + 0xFE8)

Definition at line 171 of file gpio.h.

◆ GPIO_PERIPH_ID3

#define GPIO_PERIPH_ID3 ( port ) MMIO32((port) + 0xFEC)

Definition at line 172 of file gpio.h.

◆ GPIO_PERIPH_ID4

#define GPIO_PERIPH_ID4 ( port ) MMIO32((port) + 0xFD0)

Definition at line 165 of file gpio.h.

◆ GPIO_PERIPH_ID5

#define GPIO_PERIPH_ID5 ( port ) MMIO32((port) + 0xFD4)

Definition at line 166 of file gpio.h.

◆ GPIO_PERIPH_ID6

#define GPIO_PERIPH_ID6 ( port ) MMIO32((port) + 0xFD8)

Definition at line 167 of file gpio.h.

◆ GPIO_PERIPH_ID7

#define GPIO_PERIPH_ID7 ( port ) MMIO32((port) + 0xFDC)

Definition at line 168 of file gpio.h.

◆ GPIO_PUR

#define GPIO_PUR ( port ) MMIO32((port) + 0x510)

Definition at line 135 of file gpio.h.

◆ GPIO_RIS

#define GPIO_RIS ( port ) MMIO32((port) + 0x414)

Definition at line 111 of file gpio.h.

◆ GPIO_SLR

#define GPIO_SLR ( port ) MMIO32((port) + 0x518)

Definition at line 141 of file gpio.h.

Enumeration Type Documentation

◆ gpio_drive_strength

enum gpio_drive_strength

Enumerator
GPIO_DRIVE_2MA	2mA drive
GPIO_DRIVE_4MA	4mA drive
GPIO_DRIVE_8MA	8mA drive
GPIO_DRIVE_8MA_SLEW_CTL	8mA drive with slew rate control

Definition at line 200 of file gpio.h.

◆ gpio_mode

enum gpio_mode

Enumerator
GPIO_MODE_OUTPUT	Configure pin as output.
GPIO_MODE_INPUT	Configure pin as input.
GPIO_MODE_ANALOG	Configure pin as analog function.

Definition at line 183 of file gpio.h.

◆ gpio_output_type

enum gpio_output_type

Enumerator
GPIO_OTYPE_PP	Push-pull configuration.
GPIO_OTYPE_OD	Open drain configuration.

Definition at line 195 of file gpio.h.

◆ gpio_pullup

enum gpio_pullup

Enumerator
GPIO_PUPD_NONE	Do not pull the pin high or low.
GPIO_PUPD_PULLUP	Pull the pin high.
GPIO_PUPD_PULLDOWN	Pull the pin low.

Definition at line 189 of file gpio.h.

◆ gpio_trigger

enum gpio_trigger

Enumerator
GPIO_TRIG_LVL_LOW	Level trigger, signal low.
GPIO_TRIG_LVL_HIGH	Level trigger, signal high.
GPIO_TRIG_EDGE_FALL	Falling edge trigger.
GPIO_TRIG_EDGE_RISE	Rising edge trigger.
GPIO_TRIG_EDGE_BOTH	Falling and Rising edges trigger.

Definition at line 207 of file gpio.h.

Function Documentation

◆ gpio_clear()

static void gpio_clear	(	uint32_t	gpioport,
		uint8_t	gpios
	)

inlinestatic

Clear a Group of Pins (atomic)

Clear one or more pins of the given GPIO port. This is an atomic operation.

Parameters

[in]	gpioport	GPIO block register address base GPIO register base addresses
[in]	gpios	GPIO pin identifiers. Any combination of pins may be specified by OR'ing then together.

Definition at line 298 of file gpio.h.

References gpio_write().

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◆ gpio_clear_interrupt_flag()

static void gpio_clear_interrupt_flag	(	uint32_t	gpioport,
		uint8_t	gpios
	)

inlinestatic

Mark interrupt as serviced.

After an interrupt is services, its flag must be cleared. If the flag is not cleared, then execution will jump back to the start of the ISR after the ISR returns.

Parameters

[in]	gpioport	GPIO block register address base GPIO register base addresses
[in]	gpios	GPIO pin identifiers. Any combination of pins may be specified by OR'ing then together.

Definition at line 369 of file gpio.h.

References GPIO_ICR.

◆ gpio_configure_trigger()

void gpio_configure_trigger	(	uint32_t	gpioport,
		enum gpio_trigger	trigger,
		uint8_t	gpios
	)

Configure the interrupt trigger on the given GPIO pins.

Sets the Pin direction, analog/digital mode, and pull-up configuration of or a set of GPIO pins on a given GPIO port.

Parameters

[in]	gpioport	GPIO block register address base GPIO register base addresses
[in]	trigger	Trigger configuration (gpio_trigger) GPIO_TRIG_LVL_LOW – Trigger on low level GPIO_TRIG_LVL_HIGH – Trigger on high level GPIO_TRIG_EDGE_FALL – Trigger on falling edges GPIO_TRIG_EDGE_RISE – Trigger on rising edges GPIO_TRIG_EDGE_BOTH – Trigger on all edges
[in]	gpios	GPIO pin identifiers. Any combination of pins may be specified by OR'ing then together

Definition at line 527 of file gpio.c.

References GPIO_IBE, GPIO_IEV, GPIO_IS, GPIO_TRIG_EDGE_BOTH, GPIO_TRIG_EDGE_FALL, GPIO_TRIG_EDGE_RISE, GPIO_TRIG_LVL_HIGH, and GPIO_TRIG_LVL_LOW.

◆ gpio_disable_interrupts()

void gpio_disable_interrupts	(	uint32_t	gpioport,
		uint8_t	gpios
	)

Disable interrupts on specified GPIO pins.

Disable interrupts on the specified GPIO pins

Note that the NVIC must be enabled and properly configured for the interrupt to be routed to the CPU.

Parameters

[in]	gpioport	GPIO block register address base GPIO register base addresses
[in]	gpios	GPIO pin identifiers. Pins whose interrupts to disable. Any combination of pins may be specified by OR'ing them together.

Definition at line 590 of file gpio.c.

References GPIO_IM.

◆ gpio_enable_ahb_aperture()

void gpio_enable_ahb_aperture ( void )

Enable access to GPIO registers via the AHB aperture.

All GPIO registers are accessed in libopencm3 via the AHB aperture. It provides faster control over the older APB aperture. This aperture must be enabled before calling any other gpio_*() function.

Definition at line 186 of file gpio.c.

References SYSCTL_GPIOHBCTL.

◆ gpio_enable_interrupts()

void gpio_enable_interrupts	(	uint32_t	gpioport,
		uint8_t	gpios
	)

Enable interrupts on specified GPIO pins.

Enable interrupts on the specified GPIO pins

Note that the NVIC must be enabled and properly configured for the interrupt to be routed to the CPU.

Parameters

[in]	gpioport	GPIO block register address base GPIO register base addresses
[in]	gpios	GPIO pin identifiers. Pins whose interrupts to enable. Any combination of pins may be specified by OR'ing them together.

Definition at line 572 of file gpio.c.

References GPIO_IM.

◆ gpio_mode_setup()

void gpio_mode_setup	(	uint32_t	gpioport,
		enum gpio_mode	mode,
		enum gpio_pullup	pullup,
		uint8_t	gpios
	)

Configure a group of pins.

Sets the Pin direction, analog/digital mode, and pull-up configuration of or a set of GPIO pins on a given GPIO port.

Parameters

[in]	gpioport	GPIO block register address base GPIO register base addresses
[in]	mode	Pin mode (gpio_mode) GPIO_MODE_OUTPUT – Configure pin as output GPIO_MODE_INPUT – Configure pin as input GPIO_MODE_ANALOG – Configure pin as analog function
[in]	pullup	Pin pullup/pulldown configuration (gpio_pullup) GPIO_PUPD_NONE – Do not pull the pin high or low GPIO_PUPD_PULLUP – Pull the pin high GPIO_PUPD_PULLDOWN – Pull the pin low
[in]	gpios	GPIO pin identifiers. Any combination of pins may be specified by OR'ing then together

Definition at line 209 of file gpio.c.

References GPIO_AMSEL, GPIO_DEN, GPIO_DIR, GPIO_MODE_ANALOG, GPIO_MODE_INPUT, GPIO_MODE_OUTPUT, GPIO_PDR, GPIO_PUPD_NONE, GPIO_PUPD_PULLDOWN, GPIO_PUPD_PULLUP, and GPIO_PUR.

◆ gpio_port_read()

static uint8_t gpio_port_read ( uint32_t gpioport )

inlinestatic

Read level of all pins from a port (atomic)

Read the current value of the given GPIO port. This is an atomic operation.

This is functionally identical to gpio_read (gpioport, GPIO_ALL).

Parameters

[in] gpioport GPIO block register address base GPIO register base addresses

Returns: The level of all the pins on the GPIO port.

Definition at line 314 of file gpio.h.

References GPIO_ALL, and gpio_read().

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◆ gpio_port_write()

static void gpio_port_write	(	uint32_t	gpioport,
		uint8_t	data
	)

inlinestatic

Set level of of all pins from a port (atomic)

Set the level of all pins on the given GPIO port. This is an atomic operation.

This is functionally identical to gpio_write (gpioport, GPIO_ALL, data).

Parameters

[in]	gpioport	GPIO block register address base GPIO register base addresses
[in]	gpios	GPIO pin identifiers. Any combination of pins may be specified by OR'ing then together.
[in]	data	Level to set pin to. Bit 0 of data corresponds to GPIO0, bit 1 to GPIO1. and so on.

Definition at line 333 of file gpio.h.

References GPIO_ALL, and gpio_write().

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◆ gpio_set()

static void gpio_set	(	uint32_t	gpioport,
		uint8_t	gpios
	)

inlinestatic

Set a Group of Pins (atomic)

Set one or more pins of the given GPIO port. This is an atomic operation.

Parameters

[in]	gpioport	GPIO block register address base GPIO register base addresses
[in]	gpios	GPIO pin identifiers. Any combination of pins may be specified by OR'ing then together.

Definition at line 284 of file gpio.h.

References gpio_write().

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◆ gpio_set_af()

void gpio_set_af	(	uint32_t	gpioport,
		uint8_t	alt_func_num,
		uint8_t	gpios
	)

Multiplex group of pins to the given alternate function.

Mux the pin or group of pins to the given alternate function. Note that a number of pins may be set but only with a single AF number. This is useful when one or more of a peripheral's pins are assigned to the same alternate function.

Because AF0 is not used on the LM4F, passing 0 as the alt_func_num parameter will disable the alternate function of the given pins.

Parameters

[in]	gpioport	GPIO block register address base GPIO register base addresses
[in]	alt_func_num	Pin alternate function number or 0 to disable the alternate function multiplexing.
[in]	gpios	GPIO pin identifiers. Any combination of pins may be specified by OR'ing then together

Definition at line 321 of file gpio.c.

References GPIO_AFSEL, GPIO_DEN, GPIO_PCTL, and PCTL_AF.

◆ gpio_set_output_config()

void gpio_set_output_config	(	uint32_t	gpioport,
		enum gpio_output_type	otype,
		enum gpio_drive_strength	drive,
		uint8_t	gpios
	)

Configure output parameters of a group of pins.

Sets the output configuration and drive strength, of or a set of GPIO pins for a set of GPIO pins in output mode.

Parameters

[in]	gpioport	GPIO block register address base GPIO register base addresses
[in]	otype	Output driver configuration (gpio_output_type) GPIO_OTYPE_PP – Configure pin driver as push-pull GPIO_OTYPE_OD – Configure pin driver as open drain
[in]	drive	Pin drive strength (gpio_drive_strength) GPIO_DRIVE_2MA – 2mA drive GPIO_DRIVE_4MA – 4mA drive GPIO_DRIVE_8MA – 8mA drive GPIO_DRIVE_8MA_SLEW_CTL – 8mA drive with slew rate control
[in]	gpios	GPIO pin identifiers. Any combination of pins may be specified by OR'ing then together

Definition at line 270 of file gpio.c.

References GPIO_DR2R, GPIO_DR4R, GPIO_DR8R, GPIO_DRIVE_2MA, GPIO_DRIVE_4MA, GPIO_DRIVE_8MA, GPIO_DRIVE_8MA_SLEW_CTL, GPIO_ODR, GPIO_OTYPE_OD, and GPIO_SLR.

◆ gpio_toggle()

void gpio_toggle	(	uint32_t	gpioport,
		uint8_t	gpios
	)

Toggle a Group of Pins.

Toggle one or more pins of the given GPIO port.

Parameters

[in]	gpioport	GPIO block register address base GPIO register base addresses
[in]	gpios	Pin identifiers. GPIO pin identifiers

Definition at line 441 of file gpio.c.

References GPIO_ALL, and GPIO_DATA.

◆ gpio_unlock_commit()

void gpio_unlock_commit	(	uint32_t	gpioport,
		uint8_t	gpios
	)

Unlock the commit control of a special function pin.

Unlocks the commit control of the given pin or group of pins. If a pin is a JTAG/SWD or NMI, the pin may then be reconfigured as a GPIO pin. If the pin is not locked by default, this has no effect.

Parameters

[in]	gpioport	GPIO block register address base GPIO register base addresses
[in]	gpios	GPIO pin identifiers. Any combination of pins may be specified by OR'ing then together.

Definition at line 365 of file gpio.c.

References GPIO_CR, GPIO_LOCK, and GPIO_LOCK_UNLOCK_CODE.

◆ gpio_write()

static void gpio_write	(	uint32_t	gpioport,
		uint8_t	gpios,
		uint8_t	data
	)

inlinestatic

Set level of a Group of Pins (atomic)

Sets the level of the given pins. Bit 0 of the data parameter corresponds to GPIO0, bit 1 to GPIO1. and so on. Maskedpins (corresponding bit of gpios parameter set to zero) are returned not affected.

This is an atomic operation.

Parameters

[in]	gpioport	GPIO block register address base GPIO register base addresses
[in]	gpios	GPIO pin identifiers. Any combination of pins may be specified by OR'ing then together.
[in]	data	Level to set pin to. Bit 0 of data corresponds to GPIO0, bit 1 to GPIO1. and so on.

Definition at line 269 of file gpio.h.

References GPIO_DATA.

Referenced by gpio_clear(), gpio_port_write(), and gpio_set().

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Modules

Macros

Enumerations

Functions

Detailed Description

Macro Definition Documentation

◆ GPIO_ADCCTL

◆ GPIO_AFSEL

◆ GPIO_AMSEL

◆ GPIO_CR

◆ GPIO_DATA

◆ GPIO_DEN

◆ GPIO_DIR

◆ GPIO_DMACTL

◆ GPIO_DR2R

◆ GPIO_DR4R

◆ GPIO_DR8R

◆ GPIO_IBE

◆ GPIO_ICR

◆ GPIO_IEV

◆ GPIO_IM

◆ GPIO_IS

◆ GPIO_LOCK

◆ GPIO_MIS

◆ GPIO_ODR

◆ GPIO_PCELL_ID0

◆ GPIO_PCELL_ID1

◆ GPIO_PCELL_ID2

◆ GPIO_PCELL_ID3

◆ GPIO_PCTL

◆ GPIO_PDR

◆ GPIO_PERIPH_ID0

◆ GPIO_PERIPH_ID1

◆ GPIO_PERIPH_ID2

◆ GPIO_PERIPH_ID3

◆ GPIO_PERIPH_ID4

◆ GPIO_PERIPH_ID5

◆ GPIO_PERIPH_ID6

◆ GPIO_PERIPH_ID7

◆ GPIO_PUR

◆ GPIO_RIS

◆ GPIO_SLR

Enumeration Type Documentation

◆ gpio_drive_strength

◆ gpio_mode

◆ gpio_output_type

◆ gpio_pullup

◆ gpio_trigger

Function Documentation

◆ gpio_clear()

◆ gpio_clear_interrupt_flag()

◆ gpio_configure_trigger()

◆ gpio_disable_interrupts()

◆ gpio_enable_ahb_aperture()

◆ gpio_enable_interrupts()

◆ gpio_mode_setup()

◆ gpio_port_read()

◆ gpio_port_write()

◆ gpio_set()

◆ gpio_set_af()

◆ gpio_set_output_config()

◆ gpio_toggle()

◆ gpio_unlock_commit()

◆ gpio_write()