Defined Constants and Types for the MSP432E4 General Purpose I/O. More...

Collaboration diagram for General Purpose I/O Defines:

Modules
	GPIO Register Base Addresses
	GPIO Register Base Addresses.

	GPIO Pin Identifiers
	GPIO Pin Identifiers.

	GPIO Alternate Functions Identifiers
	GPIO Alternate Functions Identifiers.

	GPIO Registers
	GPIO Registers.

	GPIO_IM Values
	GPIO Interrupt Mask Register Values.

	GPIO_RIS Values
	GPIO Raw Interrupt Status Register Values.

	GPIO_MIS Values
	GPIO Masked Interrupt Status Register Values.

	GPIO_RIS Values
	GPIO Interrupt Clear Register Values.

	GPIO_LOCK Values
	GPIO Lock Register Values.

	GPIO_PCTL Values
	GPIO Port Control Register Values.

	GPIO_SI Values
	GPIO Select Interrupt Register Values.

	GPIO_WAKEPEN Values
	GPIO Wake Pin Enable Register Values.

	GPIO_WAKELVL Values
	GPIO Wake Level Register Values.

	GPIO_WAKESTAT Values
	GPIO Wake Status Register Values.

	GPIO_PP Values
	GPIO Peripheral Property Register Values.

	GPIO_PC Values
	GPIO Peripheral Configuration Register Values.

	GPIO_AF_PA0 Values
	GPIO PA0 Alternate Functions Values.

	GPIO_AF_PA1 Values
	GPIO PA1 Alternate Functions Values.

	GPIO_AF_PA2 Values
	GPIO PA2 Alternate Functions Values.

	GPIO_AF_PA3 Values
	GPIO PA3 Alternate Functions Values.

	GPIO_AF_PA4 Values
	GPIO PA4 Alternate Functions Values.

	GPIO_AF_PA5 Values
	GPIO PA5 Alternate Functions Values.

	GPIO_AF_PA6 Values
	GPIO PA6 Alternate Functions Values.

	GPIO_AF_PA7 Values
	GPIO PA7 Alternate Functions Values.

	GPIO_AF_PB0 Values
	GPIO PB0 Alternate Functions Values.

	GPIO_AF_PB1 Values
	GPIO PB1 Alternate Functions Values.

	GPIO_AF_PB2 Values
	GPIO PB2 Alternate Functions Values.

	GPIO_AF_PB3 Values
	GPIO PB3 Alternate Functions Values.

	GPIO_AF_PB4 Values
	GPIO PB4 Alternate Functions Values.

	GPIO_AF_PB5 Values
	GPIO PB5 Alternate Functions Values.

	GPIO_AF_PB6 Values
	GPIO PB6 Alternate Functions Values.

	GPIO_AF_PB7 Values
	GPIO PB7 Alternate Functions Values.

	GPIO_AF_PC0 Values
	GPIO PC0 Alternate Functions Values.

	GPIO_AF_PC1 Values
	GPIO PC1 Alternate Functions Values.

	GPIO_AF_PC2 Values
	GPIO PC2 Alternate Functions Values.

	GPIO_AF_PC3 Values
	GPIO PC3 Alternate Functions Values.

	GPIO_AF_PC4 Values
	GPIO PC4 Alternate Functions Values.

	GPIO_AF_PC5 Values
	GPIO PC5 Alternate Functions Values.

	GPIO_AF_PC6 Values
	GPIO PC6 Alternate Functions Values.

	GPIO_AF_PC7 Values
	GPIO PC7 Alternate Functions Values.

	GPIO_AF_PD0 Values
	GPIO PD0 Alternate Functions Values.

	GPIO_AF_PD1 Values
	GPIO PD1 Alternate Functions Values.

	GPIO_AF_PD2 Values
	GPIO PD2 Alternate Functions Values.

	GPIO_AF_PD3 Values
	GPIO PD3 Alternate Functions Values.

	GPIO_AF_PD4 Values
	GPIO PD4 Alternate Functions Values.

	GPIO_AF_PD5 Values
	GPIO PD5 Alternate Functions Values.

	GPIO_AF_PD6 Values
	GPIO PD6 Alternate Functions Values.

	GPIO_AF_PD7 Values
	GPIO PD7 Alternate Functions Values.

	GPIO_AF_PE0 Values
	GPIO PE0 Alternate Functions Values.

	GPIO_AF_PE1 Values
	GPIO PE1 Alternate Functions Values.

	GPIO_AF_PE2 Values
	GPIO PE2 Alternate Functions Values.

	GPIO_AF_PE3 Values
	GPIO PE3 Alternate Functions Values.

	GPIO_AF_PE4 Values
	GPIO PE4 Alternate Functions Values.

	GPIO_AF_PE5 Values
	GPIO PE5 Alternate Functions Values.

	GPIO_AF_PE6 Values
	GPIO PE6 Alternate Functions Values.

	GPIO_AF_PE7 Values
	GPIO PE7 Alternate Functions Values.

	GPIO_AF_PF0 Values
	GPIO PF0 Alternate Functions Values.

	GPIO_AF_PF1 Values
	GPIO PF1 Alternate Functions Values.

	GPIO_AF_PF2 Values
	GPIO PF2 Alternate Functions Values.

	GPIO_AF_PF3 Values
	GPIO PF3 Alternate Functions Values.

	GPIO_AF_PF4 Values
	GPIO PF4 Alternate Functions Values.

	GPIO_AF_PF5 Values
	GPIO PF5 Alternate Functions Values.

	GPIO_AF_PF6 Values
	GPIO PF6 Alternate Functions Values.

	GPIO_AF_PF7 Values
	GPIO PF7 Alternate Functions Values.

	GPIO_AF_PG0 Values
	GPIO PG0 Alternate Functions Values.

	GPIO_AF_PG1 Values
	GPIO PG1 Alternate Functions Values.

	GPIO_AF_PG2 Values
	GPIO PG2 Alternate Functions Values.

	GPIO_AF_PG3 Values
	GPIO PG3 Alternate Functions Values.

	GPIO_AF_PG4 Values
	GPIO PG4 Alternate Functions Values.

	GPIO_AF_PG5 Values
	GPIO PG5 Alternate Functions Values.

	GPIO_AF_PG6 Values
	GPIO PG6 Alternate Functions Values.

	GPIO_AF_PG7 Values
	GPIO PG7 Alternate Functions Values.

	GPIO_AF_PH0 Values
	GPIO PH0 Alternate Functions Values.

	GPIO_AF_PH1 Values
	GPIO PH1 Alternate Functions Values.

	GPIO_AF_PH2 Values
	GPIO PH2 Alternate Functions Values.

	GPIO_AF_PH3 Values
	GPIO PH3 Alternate Functions Values.

	GPIO_AF_PH4 Values
	GPIO PH4 Alternate Functions Values.

	GPIO_AF_PH5 Values
	GPIO PH5 Alternate Functions Values.

	GPIO_AF_PH6 Values
	GPIO PH6 Alternate Functions Values.

	GPIO_AF_PH7 Values
	GPIO PH7 Alternate Functions Values.

	GPIO_AF_PJ0 Values
	GPIO PJ0 Alternate Functions Values.

	GPIO_AF_PJ1 Values
	GPIO PJ1 Alternate Functions Values.

	GPIO_AF_PJ2 Values
	GPIO PJ2 Alternate Functions Values.

	GPIO_AF_PJ3 Values
	GPIO PJ3 Alternate Functions Values.

	GPIO_AF_PJ4 Values
	GPIO PJ4 Alternate Functions Values.

	GPIO_AF_PJ5 Values
	GPIO PJ5 Alternate Functions Values.

	GPIO_AF_PJ6 Values
	GPIO PJ6 Alternate Functions Values.

	GPIO_AF_PJ7 Values
	GPIO PJ7 Alternate Functions Values.

	GPIO_AF_PK0 Values
	GPIO PK0 Alternate Functions Values.

	GPIO_AF_PK1 Values
	GPIO PK1 Alternate Functions Values.

	GPIO_AF_PK2 Values
	GPIO PK2 Alternate Functions Values.

	GPIO_AF_PK3 Values
	GPIO PK3 Alternate Functions Values.

	GPIO_AF_PK4 Values
	GPIO PK4 Alternate Functions Values.

	GPIO_AF_PK5 Values
	GPIO PK5 Alternate Functions Values.

	GPIO_AF_PK6 Values
	GPIO PK6 Alternate Functions Values.

	GPIO_AF_PK7 Values
	GPIO PK7 Alternate Functions Values.

	GPIO_AF_PL0 Values
	GPIO PL0 Alternate Functions Values.

	GPIO_AF_PL1 Values
	GPIO PL1 Alternate Functions Values.

	GPIO_AF_PL2 Values
	GPIO PL2 Alternate Functions Values.

	GPIO_AF_PL3 Values
	GPIO PL3 Alternate Functions Values.

	GPIO_AF_PL4 Values
	GPIO PL4 Alternate Functions Values.

	GPIO_AF_PL5 Values
	GPIO PL5 Alternate Functions Values.

	GPIO_AF_PL6 Values
	GPIO PL6 Alternate Functions Values.

	GPIO_AF_PL7 Values
	GPIO PL7 Alternate Functions Values.

	GPIO_AF_PM0 Values
	GPIO PM0 Alternate Functions Values.

	GPIO_AF_PM1 Values
	GPIO PM1 Alternate Functions Values.

	GPIO_AF_PM2 Values
	GPIO PM2 Alternate Functions Values.

	GPIO_AF_PM3 Values
	GPIO PM3 Alternate Functions Values.

	GPIO_AF_PM4 Values
	GPIO PM4 Alternate Functions Values.

	GPIO_AF_PM5 Values
	GPIO PM5 Alternate Functions Values.

	GPIO_AF_PM6 Values
	GPIO PM6 Alternate Functions Values.

	GPIO_AF_PM7 Values
	GPIO PM7 Alternate Functions Values.

	GPIO_AF_PN0 Values
	GPIO PN0 Alternate Functions Values.

	GPIO_AF_PN1 Values
	GPIO PN1 Alternate Functions Values.

	GPIO_AF_PN2 Values
	GPIO PN2 Alternate Functions Values.

	GPIO_AF_PN3 Values
	GPIO PN3 Alternate Functions Values.

	GPIO_AF_PN4 Values
	GPIO PN4 Alternate Functions Values.

	GPIO_AF_PN5 Values
	GPIO PN5 Alternate Functions Values.

	GPIO_AF_PN7 Values
	GPIO PN6 Alternate Functions Values.

	GPIO_AF_PN7 Values
	GPIO PN7 Alternate Functions Values.

	GPIO_AF_PP0 Values
	GPIO PP0 Alternate Functions Values.

	GPIO_AF_PP1 Values
	GPIO PP1 Alternate Functions Values.

	GPIO_AF_PP2 Values
	GPIO PP2 Alternate Functions Values.

	GPIO_AF_PP3 Values
	GPIO PP3 Alternate Functions Values.

	GPIO_AF_PP4 Values
	GPIO PP4 Alternate Functions Values.

	GPIO_AF_PP5 Values
	GPIO PP5 Alternate Functions Values.

	GPIO_AF_PP6 Values
	GPIO PP6 Alternate Functions Values.

	GPIO_AF_PP7 Values
	GPIO PP7 Alternate Functions Values.

	GPIO_AF_PQ0 Values
	GPIO PQ0 Alternate Functions Values.

	GPIO_AF_PQ1 Values
	GPIO PQ1 Alternate Functions Values.

	GPIO_AF_PQ2 Values
	GPIO PQ2 Alternate Functions Values.

	GPIO_AF_PQ3 Values
	GPIO PQ3 Alternate Functions Values.

	GPIO_AF_PQ4 Values
	GPIO PQ4 Alternate Functions Values.

	GPIO_AF_PQ5 Values
	GPIO PQ5 Alternate Functions Values.

	GPIO_AF_PQ6 Values
	GPIO PQ6 Alternate Functions Values.

	GPIO_AF_PQ7 Values
	GPIO PQ7 Alternate Functions Values.

	GPIO_AF_PR0 Values
	GPIO PR0 Alternate Functions Values.

	GPIO_AF_PR1 Values
	GPIO PR1 Alternate Functions Values.

	GPIO_AF_PR2 Values
	GPIO PR2 Alternate Functions Values.

	GPIO_AF_PR3 Values
	GPIO PR3 Alternate Functions Values.

	GPIO_AF_PR4 Values
	GPIO PR4 Alternate Functions Values.

	GPIO_AF_PR5 Values
	GPIO PR5 Alternate Functions Values.

	GPIO_AF_PR6 Values
	GPIO PR6 Alternate Functions Values.

	GPIO_AF_PR7 Values
	GPIO PR7 Alternate Functions Values.

	GPIO_AF_PS0 Values
	GPIO PS0 Alternate Functions Values.

	GPIO_AF_PS1 Values
	GPIO PS1 Alternate Functions Values.

	GPIO_AF_PS2 Values
	GPIO PS2 Alternate Functions Values.

	GPIO_AF_PS3 Values
	GPIO PS3 Alternate Functions Values.

	GPIO_AF_PS4 Values
	GPIO PS4 Alternate Functions Values.

	GPIO_AF_PS5 Values
	GPIO PS5 Alternate Functions Values.

	GPIO_AF_PS6 Values
	GPIO PS6 Alternate Functions Values.

	GPIO_AF_PS7 Values
	GPIO PS7 Alternate Functions Values.

	GPIO_AF_PT0 Values
	GPIO PT0 Alternate Functions Values.

	GPIO_AF_PT1 Values
	GPIO PT1 Alternate Functions Values.

	GPIO_AF_PT2 Values
	GPIO PT2 Alternate Functions Values.

	GPIO_AF_PT3 Values
	GPIO PT3 Alternate Functions Values.

Enumerations
enum	gpio_mode { GPIO_MODE_OUTPUT , GPIO_MODE_INPUT , GPIO_MODE_ANALOG }
	GPIO Mode Definitions. More...

enum	gpio_pull_up_down { GPIO_PUPD_NONE , GPIO_PUPD_PULLUP , GPIO_PUPD_PULLDOWN }
	GPIO Pull-Up/Pull-Down Definitions. More...

enum	gpio_output_type { GPIO_OTYPE_PP , GPIO_OTYPE_OD }
	GPIO Output Type Definitions. More...

enum	gpio_drive_strength { GPIO_DRIVE_2MA , GPIO_DRIVE_4MA , GPIO_DRIVE_6MA , GPIO_DRIVE_8MA , GPIO_DRIVE_10MA , GPIO_DRIVE_12MA }
	GPIO Drive Strength Definitions. More...

enum	gpio_slew_ctl { GPIO_SLEW_CTL_ENABLE , GPIO_SLEW_CTL_DISABLE }
	GPIO Slew Control Definitions. More...

enum	gpio_trigger { GPIO_TRIG_LVL_LOW , GPIO_TRIG_LVL_HIGH , GPIO_TRIG_EDGE_FALL , GPIO_TRIG_EDGE_RISE , GPIO_TRIG_EDGE_BOTH }
	GPIO Trigger Level/Edge Definitions. More...

Functions
void	gpio_mode_setup (uint32_t gpioport, enum gpio_mode mode, enum gpio_pull_up_down pull_up_down, uint8_t gpios)
	General Purpose Input/Outputs Set Pin Mode. More...

void	gpio_set_output_options (uint32_t gpioport, enum gpio_output_type otype, enum gpio_drive_strength drive, enum gpio_slew_ctl slewctl, uint8_t gpios)
	General Purpose Input/Outputs Set Output Options. More...

void	gpio_set_af (uint32_t gpioport, uint8_t alt_func_num, uint8_t gpios)
	General Purpose Input/Outputs Set Alternate Function Selection. More...

void	gpio_configure_trigger (uint32_t gpioport, enum gpio_trigger trigger, uint8_t gpios)
	General Purpose Input/Outputs Configure Interrupt Trigger. More...

void	gpio_set (uint32_t gpioport, uint8_t gpios)
	General Purpose Input/Outputs Set a Group of Pins Atomic. More...

void	gpio_clear (uint32_t gpioport, uint8_t gpios)
	General Purpose Input/Outputs Clear a Group of Pins Atomic. More...

uint8_t	gpio_get (uint32_t gpioport, uint8_t gpios)
	General Purpose Input/Outputs Read a Group of Pins. More...

void	gpio_toggle (uint32_t gpioport, uint8_t gpios)
	General Purpose Input/Outputs Toggle a Group of Pins. More...

uint8_t	gpio_port_read (uint32_t gpioport)
	General Purpose Input/Outputs Read from a Port. More...

void	gpio_port_write (uint32_t gpioport, uint8_t data)
	General Purpose Input/Outputs Write to a Port. More...

void	gpio_enable_interrupts (uint32_t gpioport, uint8_t gpios)
	General Purpose Input/Outputs Enable Interrupts on specified pins. More...

void	gpio_disable_interrupts (uint32_t gpioport, uint8_t gpios)
	General Purpose Input/Outputs Disable interrupts on specified pins. More...

void	gpio_unlock_commit (uint32_t gpioport, uint8_t gpios)
	General Purpose Input/Outputs Unlock The Commit Control. More...

uint8_t	gpio_is_interrupt_source (uint32_t gpioport, uint8_t gpios)
	General Purpose Input/Outputs Determine if interrupt is generated by the given pin. More...

void	gpio_clear_interrupt_flag (uint32_t gpioport, uint8_t gpios)
	General Purpose Input/Outputs Mark Interrupt as Serviced. More...

Detailed Description

Defined Constants and Types for the MSP432E4 General Purpose I/O.

Version: 1.0.0

Date: 23 September 2018

LGPL License Terms libopencm3 License

Enumeration Type Documentation

◆ gpio_drive_strength

enum gpio_drive_strength

GPIO Drive Strength Definitions.

Enumerator
GPIO_DRIVE_2MA	2mA drive
GPIO_DRIVE_4MA	4mA drive
GPIO_DRIVE_6MA	6mA drive
GPIO_DRIVE_8MA	8mA drive
GPIO_DRIVE_10MA	10mA drive
GPIO_DRIVE_12MA	12mA drive

Definition at line 2473 of file gpio.h.

◆ gpio_mode

enum gpio_mode

GPIO Mode Definitions.

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 2453 of file gpio.h.

◆ gpio_output_type

enum gpio_output_type

GPIO Output Type Definitions.

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

Definition at line 2467 of file gpio.h.

◆ gpio_pull_up_down

enum gpio_pull_up_down

GPIO Pull-Up/Pull-Down Definitions.

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 2460 of file gpio.h.

◆ gpio_slew_ctl

enum gpio_slew_ctl

GPIO Slew Control Definitions.

Enumerator
GPIO_SLEW_CTL_ENABLE	Slew rate control enable.
GPIO_SLEW_CTL_DISABLE	Slew rate control disable.

Definition at line 2483 of file gpio.h.

◆ gpio_trigger

enum gpio_trigger

GPIO Trigger Level/Edge Definitions.

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	Both edges trigger.

Definition at line 2489 of file gpio.h.

Function Documentation

◆ gpio_clear()

void gpio_clear	(	uint32_t	gpioport,
		uint8_t	gpios
	)

General Purpose Input/Outputs Clear a Group of Pins Atomic.

Clear one or more pins of the given GPIO port to 0 in an atomic operation.

Parameters

[in]	gpioport	GPIO block register address base GPIO Register Base Addresses
[in]	gpios	Pin identifiers GPIO Pin Identifiers. If multiple pins are to be changed, use bitwise OR '\|' to separate them.

Definition at line 306 of file gpio.c.

References GPIO_DATA.

◆ gpio_clear_interrupt_flag()

void gpio_clear_interrupt_flag	(	uint32_t	gpioport,
		uint8_t	gpios
	)

General Purpose Input/Outputs 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	Pin identifiers GPIO Pin Identifiers. If multiple pins are to be clear interrupt flag, use bitwise OR '\|' to separate them.

Definition at line 445 of file gpio.c.

References GPIO_ICR.

◆ gpio_configure_trigger()

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

General Purpose Input/Outputs Configure Interrupt Trigger.

Sets the trigger level/edge, for 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	Pin identifiers GPIO Pin Identifiers. If multiple pins are to be configure, use bitwise OR '\|' to separate them.

Definition at line 253 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
	)

General Purpose Input/Outputs Disable interrupts on specified pins.

Disable interrupts on the specified GPIO pins.

Parameters

[in]	gpioport	GPIO block register address base GPIO Register Base Addresses
[in]	gpios	Pin identifiers GPIO Pin Identifiers. Pins whose interrupts to disable. If multiple pins are to be disable interrupt, use bitwise OR '\|' to separate them.

Definition at line 393 of file gpio.c.

References GPIO_IM.

◆ gpio_enable_interrupts()

void gpio_enable_interrupts	(	uint32_t	gpioport,
		uint8_t	gpios
	)

General Purpose Input/Outputs Enable Interrupts on specified pins.

Enable interrupts on the specified GPIO pins.

Note: 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	Pin identifiers GPIO Pin Identifiers. Pins whose interrupts to enable. If multiple pins are to be enable interrupt, use bitwise OR '\|' to separate them.

Definition at line 378 of file gpio.c.

References GPIO_IM.

◆ gpio_get()

uint8_t gpio_get	(	uint32_t	gpioport,
		uint8_t	gpios
	)

General Purpose Input/Outputs Read a Group of Pins.

Parameters

[in]	gpioport	GPIO block register address base GPIO Register Base Addresses
[in]	gpios	Pin identifiers GPIO Pin Identifiers. If multiple pins are to be read, use bitwise OR '\|' to separate them.

Returns: Unsigned int8 value of the pin values. The bit position of the pin value returned corresponds to the pin number.

Definition at line 320 of file gpio.c.

References GPIO_DATA.

◆ gpio_is_interrupt_source()

uint8_t gpio_is_interrupt_source	(	uint32_t	gpioport,
		uint8_t	gpios
	)

General Purpose Input/Outputs Determine if interrupt is generated by the given pin.

Parameters

[in]	gpioport	GPIO block register address base GPIO Register Base Addresses
[in]	gpios	Source pin identifiers GPIO Pin Identifiers. If multiple pins are to be check, use bitwise OR '\|' to separate them.

Returns: Unsigned int8. The bit position of the pin value returned corresponds to the pin number.

Definition at line 430 of file gpio.c.

References GPIO_MIS.

◆ gpio_mode_setup()

void gpio_mode_setup	(	uint32_t	gpioport,
		enum gpio_mode	mode,
		enum gpio_pull_up_down	pull_up_down,
		uint8_t	gpios
	)

General Purpose Input/Outputs Set Pin Mode.

Sets the Pin Direction, Analog/Digital Mode and Output Pin Pull, for 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]	pull_up_down	Pin pull up/down configuration gpio_pull_up_down 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	Pin identifiers GPIO Pin Identifiers. If multiple pins are to be set, use bitwise OR '\|' to separate them.

Definition at line 55 of file gpio.c.

References GPIO_AFSEL, 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()

uint8_t gpio_port_read ( uint32_t gpioport )

General Purpose Input/Outputs Read from a Port.

Read the current value of the given GPIO port.

Parameters

[in] gpioport GPIO block register address base GPIO Register Base Addresses

Returns: Unsigned int8. The value held in the specified GPIO port.

Definition at line 348 of file gpio.c.

References GPIO_ALL, and GPIO_DATA.

◆ gpio_port_write()

void gpio_port_write	(	uint32_t	gpioport,
		uint8_t	data
	)

General Purpose Input/Outputs Write to a Port.

Write a value to the given GPIO port.

Parameters

[in]	gpioport	GPIO block register address base GPIO Register Base Addresses
[in]	data	Unsigned int8. The value to be written to the GPIO port.

Definition at line 360 of file gpio.c.

References GPIO_ALL, and GPIO_DATA.

◆ gpio_set()

void gpio_set	(	uint32_t	gpioport,
		uint8_t	gpios
	)

General Purpose Input/Outputs Set a Group of Pins Atomic.

Set one or more pins of the given GPIO port to 1 in an atomic operation.

Parameters

[in]	gpioport	GPIO block register address base GPIO Register Base Addresses
[in]	gpios	Pin identifiers GPIO Pin Identifiers. If multiple pins are to be changed, use bitwise OR '\|' to separate them.

Definition at line 293 of file gpio.c.

References GPIO_DATA.

◆ gpio_set_af()

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

General Purpose Input/Outputs Set Alternate Function Selection.

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.

Because AF0 is not used on the MSP432E4, passing GPIO_AF_DISABLE 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 GPIO_AF_DISABLE to disable the alternate function multiplexing.
[in]	gpios	Pin identifiers GPIO Pin Identifiers. If multiple pins are to be set, use bitwise OR '\|' to separate them.

Definition at line 208 of file gpio.c.

References GPIO_AFSEL, GPIO_PCTL, and GPIO_PCTL_AF.

◆ gpio_set_output_options()

void gpio_set_output_options	(	uint32_t	gpioport,
		enum gpio_output_type	otype,
		enum gpio_drive_strength	drive,
		enum gpio_slew_ctl	slewctl,
		uint8_t	gpios
	)

General Purpose Input/Outputs Set Output Options.

When the pin is set to output mode, this sets the configuration (open drain/push pull), drive strength, speed and slew rate control, for a set of GPIO pins on a given GPIO port.

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_6MA – 4mA drive GPIO_DRIVE_8MA – 8mA drive GPIO_DRIVE_10MA – 10mA drive GPIO_DRIVE_12MA – 12mA drive
[in]	slewctl	Pin slew rate control select gpio_slew_ctl

Note

Available only for 8, 10 and 12-ma drive strength.

GPIO_SLEW_CTL_ENABLE – Slew rate control enable
GPIO_SLEW_CTL_DISABLE – Slew rate control disable

Parameters

[in] gpios Pin identifiers GPIO Pin Identifiers. If multiple pins are to be set, use bitwise OR '|' to separate them.

Definition at line 126 of file gpio.c.

References GPIO_DR12R, GPIO_DR4R, GPIO_DR8R, GPIO_DRIVE_10MA, GPIO_DRIVE_12MA, GPIO_DRIVE_2MA, GPIO_DRIVE_4MA, GPIO_DRIVE_6MA, GPIO_DRIVE_8MA, GPIO_ODR, GPIO_OTYPE_OD, GPIO_PC, GPIO_PC_EDM, GPIO_PC_EDM_FULL_RANGE, GPIO_PP, GPIO_PP_EDE, GPIO_SLEW_CTL_ENABLE, and GPIO_SLR.

◆ gpio_toggle()

void gpio_toggle	(	uint32_t	gpioport,
		uint8_t	gpios
	)

General Purpose Input/Outputs Toggle a Group of Pins.

Toggle one or more pins of the given GPIO port. The non-toggled pins are not affected.

Parameters

[in]	gpioport	GPIO block register address base GPIO Register Base Addresses
[in]	gpios	Pin identifiers GPIO Pin Identifiers. If multiple pins are to be changed, use bitwise OR '\|' to separate them.

Definition at line 334 of file gpio.c.

References GPIO_ALL, and GPIO_DATA.

◆ gpio_unlock_commit()

void gpio_unlock_commit	(	uint32_t	gpioport,
		uint8_t	gpios
	)

General Purpose Input/Outputs Unlock The Commit Control.

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	Pin identifiers GPIO Pin Identifiers. If multiple pins are to be unlock, use bitwise OR '\|' to separate them.

Definition at line 409 of file gpio.c.

References GPIO_CR, GPIO_LOCK, and GPIO_LOCK_UNLOCK_CODE.

Modules

Enumerations

Functions

Detailed Description

Enumeration Type Documentation

◆ gpio_drive_strength

◆ gpio_mode

◆ gpio_output_type

◆ gpio_pull_up_down

◆ gpio_slew_ctl

◆ gpio_trigger

Function Documentation

◆ gpio_clear()

◆ gpio_clear_interrupt_flag()

◆ gpio_configure_trigger()

◆ gpio_disable_interrupts()

◆ gpio_enable_interrupts()

◆ gpio_get()

◆ gpio_is_interrupt_source()

◆ gpio_mode_setup()

◆ gpio_port_read()

◆ gpio_port_write()

◆ gpio_set()

◆ gpio_set_af()

◆ gpio_set_output_options()

◆ gpio_toggle()

◆ gpio_unlock_commit()