General-Purpose Input-Output#

sl_gpio_irq_callback_t#

typedef void(* sl_gpio_irq_callback_t) (void) )(void)

GPIO interrupt callback function pointer.

sl_gpio_driver_clear_interrupts#

STATIC __INLINE sl_status_t sl_gpio_driver_clear_interrupts (uint32_t flags)

sl_gpio_driver_configure_interrupt#

sl_status_t sl_gpio_driver_configure_interrupt (sl_gpio_t * gpio, uint32_t int_no, sl_gpio_interrupt_flag_t flags, sl_gpio_irq_callback_t gpio_callback, uint32_t * avl_intr_no)

Configure the GPIO pin interrupt.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_clock, for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_gpio_driver_set_pin_mode()

• sl_si91x_gpio_driver_set_pin_direction()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS_NULL_POINTER (0x0022) - The parameter is null pointer SL_STATUS _OK (0X000) - Success

sl_gpio_driver_set_pin_mode#

sl_status_t sl_gpio_driver_set_pin_mode (sl_gpio_t * gpio, sl_gpio_mode_t mode, uint32_t output_value)

Set the pin mode for a GPIO pin.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_clock, for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance.

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS_NULL_POINTER (0x0022) - The parameter is null pointer SL_STATUS _OK (0X000) - Success

sl_gpio_driver_get_pin_mode#

sl_status_t sl_gpio_driver_get_pin_mode (sl_gpio_t * gpio, sl_gpio_mode_t * mode)

Get the GPIO pin status.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_clock, for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance. sl_gpio_driver_set_pin_mode();

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS_NULL_POINTER (0x0022) - The parameter is null pointer SL_STATUS _OK (0X000) - Success

sl_gpio_driver_init#

sl_status_t sl_gpio_driver_init (void )

sl_gpio_driver_set_pin#

STATIC __INLINE sl_status_t sl_gpio_driver_set_pin (sl_gpio_t * gpio)

Set a single pin in GPIO configuration register to 1.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_pad_selection(), for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance. sl_gpio_driver_set_pin_mode(); sl_si91x_gpio_driver_set_pin_direction();

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS_NULL_POINTER (0x0022) - The parameter is null pointer SL_STATUS _OK (0X000) - Success

sl_gpio_driver_clear_pin#

STATIC __INLINE sl_status_t sl_gpio_driver_clear_pin (sl_gpio_t * gpio)

Set a single pin in GPIO configuration register to 0.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_pad_selection(), for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(); for ULP instance Use corresponding pad receiver API for corresponding GPIO instance. sl_gpio_driver_set_pin_mode(); sl_si91x_gpio_driver_set_pin_direction();

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS_NULL_POINTER (0x0022) - The parameter is null pointer SL_STATUS _OK (0X000) - Success

sl_gpio_driver_toggle_pin#

STATIC __INLINE sl_status_t sl_gpio_driver_toggle_pin (sl_gpio_t * gpio)

Toggle a single pin in GPIO port register.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_pad_selection(), for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance. sl_gpio_driver_set_pin_mode()sl_si91x_gpio_driver_set_pin_direction()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS_NULL_POINTER (0x0022) - The parameter is null pointer SL_STATUS _OK (0X000) - Success

sl_gpio_driver_get_pin#

STATIC __INLINE sl_status_t sl_gpio_driver_get_pin (sl_gpio_t * gpio, uint8_t * pin_value)

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

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_pad_selection(), for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance. sl_gpio_driver_set_pin_mode()sl_si91x_gpio_driver_set_pin_direction()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS_NULL_POINTER (0x0022) - The parameter is null pointer SL_STATUS _OK (0X000) - Success

sl_gpio_driver_set_port#

STATIC __INLINE sl_status_t sl_gpio_driver_set_port (sl_gpio_port_t port, uint32_t pins)

Set bits GPIO data out register to 1.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_pad_selection(), for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance. sl_gpio_driver_set_pin_mode(); sl_si91x_gpio_driver_set_pin_direction();

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_gpio_driver_clear_port#

STATIC __INLINE sl_status_t sl_gpio_driver_clear_port (sl_gpio_port_t port, uint32_t pins)

Set bits in configuration register for a port to 0.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_pad_selection(), for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance. sl_gpio_driver_set_pin_mode()sl_si91x_gpio_driver_set_pin_direction()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_gpio_driver_get_port_output#

STATIC __INLINE sl_status_t sl_gpio_driver_get_port_output (sl_gpio_port_t port, uint32_t * port_value)

Get the current setting for a GPIO configuration register.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_pad_selection(), for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance. sl_gpio_driver_set_pin_mode()sl_si91x_gpio_driver_set_pin_direction()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_gpio_driver_get_pin_output#

STATIC __INLINE uint8_t sl_gpio_driver_get_pin_output (sl_gpio_t * gpio)

Get the current setting for a pin in a GPIO configuration register.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_pad_selection(), for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance. sl_gpio_driver_set_pin_mode()sl_si91x_gpio_driver_set_pin_direction()

Returns

• The GPIO pin value '0' - Output '1' - Input

sl_gpio_driver_set_port_output_value#

STATIC __INLINE sl_status_t sl_gpio_driver_set_port_output_value (sl_gpio_port_t port, uint32_t val, uint32_t mask)

sl_gpio_driver_set_slew_rate#

STATIC __INLINE sl_status_t sl_gpio_driver_set_slew_rate (sl_gpio_port_t port, uint32_t slewrate, uint32_t slewrate_alt)

sl_gpio_driver_get_port_input#

STATIC __INLINE uint32_t sl_gpio_driver_get_port_input (sl_gpio_port_t port)

sl_gpio_driver_toggle_port_output#

STATIC __INLINE sl_status_t sl_gpio_driver_toggle_port_output (sl_gpio_port_t port, uint32_t pins)

sl_gpio_driver_enable_interrupts#

STATIC __INLINE sl_status_t sl_gpio_driver_enable_interrupts (uint32_t flags)

sl_gpio_driver_disable_interrupts#

STATIC __INLINE sl_status_t sl_gpio_driver_disable_interrupts (uint32_t flags)

sl_gpio_driver_set_interrupts#

STATIC __INLINE sl_status_t sl_gpio_driver_set_interrupts (uint32_t flags)

sl_gpio_driver_get_pending_interrupts#

STATIC __INLINE uint32_t sl_gpio_driver_get_pending_interrupts (void )

sl_gpio_driver_get_enabled_interrupts#

STATIC __INLINE uint32_t sl_gpio_driver_get_enabled_interrupts (void )

sl_gpio_driver_get_enabled_pending_interrupts#

STATIC __INLINE uint32_t sl_gpio_driver_get_enabled_pending_interrupts (void )

sl_si91x_gpio_driver_set_pin_direction#

sl_status_t sl_si91x_gpio_driver_set_pin_direction (uint8_t port, uint8_t pin, sl_si91x_gpio_direction_t direction)

Set the direction for a GPIO pin.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_pad_selection(), for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance.

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_get_pin_direction#

uint8_t sl_si91x_gpio_driver_get_pin_direction (uint8_t port, uint8_t pin)

Get the direction GPIO.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_pad_selection(), for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance. sl_si91x_gpio_driver_set_pin_direction()sl_si91x_gpio_driver_get_pin_direction()

Returns

• Returns the direction of the pin. '0' - Output '1' - Input

sl_si91x_gpio_driver_enable_pad_receiver#

sl_status_t sl_si91x_gpio_driver_enable_pad_receiver (uint8_t gpio_num)

Enable the receiver bit in the PAD configuration register.

• sl_si91x_gpio_driver_enable_clock()sl_si91x_gpio_driver_enable_pad_selection(), for HP instance

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_disable_pad_receiver#

sl_status_t sl_si91x_gpio_driver_disable_pad_receiver (uint8_t gpio_num)

Disable the receiver bit in the PAD configuration register.

• sl_si91x_gpio_driver_enable_clock()sl_si91x_gpio_driver_enable_pad_selection(), for HP instance

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_enable_pad_selection#

sl_status_t sl_si91x_gpio_driver_enable_pad_selection (uint8_t gpio_padnum)

Select the pad(0 to 21).

• sl_si91x_gpio_driver_enable_clock()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_select_pad_driver_strength#

sl_status_t sl_si91x_gpio_driver_select_pad_driver_strength (uint8_t gpio_num, sl_si91x_gpio_driver_strength_select_t strength)

Select drive strength of a GPIO pin.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_clock

• sl_si91x_gpio_driver_enable_pad_receiver()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_select_pad_driver_disable_state#

sl_status_t sl_si91x_gpio_driver_select_pad_driver_disable_state (uint8_t gpio_num, sl_si91x_gpio_driver_disable_state_t disable_state)

Select the Driver disabled state control.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_clock

• sl_si91x_gpio_driver_enable_pad_receiver()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_select_group_interrupt_and_or#

sl_status_t sl_si91x_gpio_driver_select_group_interrupt_and_or (uint8_t port, sl_si91x_group_interrupt_t group_interrupt, sl_si91x_gpio_and_or_t and_or)

Select AND/OR of the group interrupt.

If multiple interrupts on same port (or) different are to be generated, then use this API. Example: Consider port 0: pin 2,3 and port 3: pin 1,2 for interrupt generation. Choose OR, any of the selected pin is fine for group interrupt generation Choose AND, all the selected pins are necessary for group interrupt generation

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_clock, for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance.

• sl_gpio_driver_set_pin_mode()

• sl_si91x_gpio_driver_set_pin_direction()

• sl_si91x_gpio_driver_configure_ulp_group_interrupt(), for HP instance

• sl_si91x_gpio_driver_configure_ulp_group_interrupt, for ULP instance Use corresponding group interrupt configuration API for corresponding GPIO instance.

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_clear_group_interrupt#

sl_status_t sl_si91x_gpio_driver_clear_group_interrupt (sl_si91x_group_interrupt_t group_interrupt)

Clear the group interrupt status.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_clock

• sl_si91x_gpio_driver_enable_pad_receiver()

• sl_gpio_driver_set_pin_mode()

• sl_si91x_gpio_driver_set_pin_direction()

• sl_si91x_gpio_driver_configure_ulp_group_interrupt()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_get_group_interrupt_status#

uint32_t sl_si91x_gpio_driver_get_group_interrupt_status (uint8_t port, sl_si91x_group_interrupt_t group_interrupt)

Get the group interrupt status.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_clock, for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance.

• sl_gpio_driver_set_pin_mode(),

• sl_si91x_gpio_driver_set_pin_direction()

• sl_si91x_gpio_driver_configure_ulp_group_interrupt(), for HP instance

• sl_si91x_gpio_driver_configure_ulp_group_interrupt, for ULP instance Use corresponding group interrupt configuration API for corresponding GPIO instance.

Returns

• returns the group interrupt status register 1, when interrupt is enabled 0, when interrupt is disabled

sl_si91x_gpio_driver_select_group_interrupt_wakeup#

sl_status_t sl_si91x_gpio_driver_select_group_interrupt_wakeup (uint8_t port, sl_si91x_group_interrupt_t group_interrupt, sl_si91x_gpio_wakeup_t flags)

Configure the group interrupt wake up the interrupt.

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_configure_group_interrupt#

sl_status_t sl_si91x_gpio_driver_configure_group_interrupt (sl_si91x_gpio_group_interrupt_config_t * configuration, sl_gpio_irq_callback_t gpio_callback, gpio_callback)

Configure the MCU HP group interrupts.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_clock

• sl_si91x_gpio_driver_enable_pad_receiver()

• sl_gpio_driver_set_pin_mode()

• sl_si91x_gpio_driver_set_pin_direction()

Returns

• returns status 0 if successful, else error code. SL_STATUS_NULL_POINTER (0x0022) - The parameter is null pointer SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_get_group_interrupt_polarity#

uint8_t sl_si91x_gpio_driver_get_group_interrupt_polarity (sl_si91x_group_interrupt_t group_interrupt, uint8_t port, uint8_t pin)

Get the polarity of group interrupt.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_clock, for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance.

• sl_gpio_driver_set_pin_mode()

• sl_si91x_gpio_driver_set_pin_direction()

• sl_si91x_gpio_driver_configure_ulp_group_interrupt(), for HP instance

• sl_si91x_gpio_driver_configure_ulp_group_interrupt, for ULP instance Use corresponding group interrupt configuration API for corresponding GPIO instance.

Returns

• returns group interrupt polarity 1, when GPIO pin status is '1' 0, when GPIO pin status is '0'

sl_si91x_gpio_driver_set_group_interrupt_polarity#

sl_status_t sl_si91x_gpio_driver_set_group_interrupt_polarity (sl_si91x_group_interrupt_t group_interrupt, uint8_t port, uint8_t pin, sl_si91x_gpio_polarity_t polarity)

Configure the polarity of group interrupt.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_clock, for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance.

• sl_gpio_driver_set_pin_mode()

• sl_si91x_gpio_driver_set_pin_direction()

• sl_si91x_gpio_driver_configure_ulp_group_interrupt(), for HP instance

• sl_si91x_gpio_driver_configure_ulp_group_interrupt, for ULP instance Use corresponding group interrupt configuration API for corresponding GPIO instance.

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_get_group_interrupt_level_edge#

uint8_t sl_si91x_gpio_driver_get_group_interrupt_level_edge (uint8_t port, sl_si91x_group_interrupt_t group_interrupt)

Get the level/edge event of group interrupt.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_clock, for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance.

• sl_gpio_driver_set_pin_mode(),

• sl_si91x_gpio_driver_set_pin_direction(),

• sl_si91x_gpio_driver_configure_ulp_group_interrupt(), for HP instance

• sl_si91x_gpio_driver_configure_ulp_group_interrupt, for ULP instance Use corresponding group interrupt configuration API for corresponding GPIO instance.

Returns

• returns group interrupt level_edge 1, for Edge 0, for Level

sl_si91x_gpio_driver_set_group_interrupt_level_edge#

sl_status_t sl_si91x_gpio_driver_set_group_interrupt_level_edge (uint8_t port, sl_si91x_group_interrupt_t group_interrupt, sl_si91x_gpio_level_edge_t level_edge)

Set the level/edge event of group interrupt.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_clock, for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance.

• sl_gpio_driver_set_pin_mode()

• sl_si91x_gpio_driver_set_pin_direction()

• sl_si91x_gpio_driver_configure_ulp_group_interrupt(), for HP instance

• sl_si91x_gpio_driver_configure_ulp_group_interrupt, for ULP instance Use corresponding group interrupt configuration API for corresponding GPIO instance.

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_unmask_group_interrupt#

sl_status_t sl_si91x_gpio_driver_unmask_group_interrupt (uint8_t port, sl_si91x_group_interrupt_t group_interrupt)

Unmask the group interrupts.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_clock, for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance.

• sl_gpio_driver_set_pin_mode()

• sl_si91x_gpio_driver_set_pin_direction()

• sl_si91x_gpio_driver_configure_ulp_group_interrupt(), for HP instance

• sl_si91x_gpio_driver_configure_ulp_group_interrupt, for ULP instance Use corresponding group interrupt configuration API for corresponding GPIO instance.

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_mask_group_interrupt#

sl_status_t sl_si91x_gpio_driver_mask_group_interrupt (uint8_t port, sl_si91x_group_interrupt_t group_interrupt)

Mask the group interrupts.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_clock, for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance.

• sl_gpio_driver_set_pin_mode()

• sl_si91x_gpio_driver_set_pin_direction()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_disable_clock#

sl_status_t sl_si91x_gpio_driver_disable_clock (sl_si91x_gpio_select_clock_t clock)

Disable HP/ULP GPIO clock.

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_enable_clock#

sl_status_t sl_si91x_gpio_driver_enable_clock (sl_si91x_gpio_select_clock_t clock)

Enable HP/ULP GPIO clock.

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_configure_ulp_group_interrupt#

sl_status_t sl_si91x_gpio_driver_configure_ulp_group_interrupt (sl_si91x_gpio_group_interrupt_config_t * configuration, sl_gpio_irq_callback_t gpio_callback)

Configure the ULP group interrupt.

Configure ULP GPIO group interrupts.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_clock, for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance.

• sl_gpio_driver_set_pin_mode()

• sl_si91x_gpio_driver_set_pin_direction() Use corresponding group interrupt configuration API for corresponding GPIO instance.

Returns

• returns status 0 if successful, else error code. SL_STATUS_NULL_POINTER (0x0022) - The parameter is null pointer SL_STATUS _OK (0X000) - Success

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_ulp_pad_receiver()

• sl_gpio_driver_set_pin_mode()

• sl_si91x_gpio_driver_set_pin_direction()

Returns

• returns status 0 if successful, else error code. SL_STATUS_NULL_POINTER (0x0022) - The parameter is null pointer SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_enable_group_interrupt#

sl_status_t sl_si91x_gpio_driver_enable_group_interrupt (sl_si91x_group_interrupt_t group_interrupt, uint8_t port, uint8_t pin)

Enable the group interrupts.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_clock, for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance.

• sl_gpio_driver_set_pin_mode()

• sl_si91x_gpio_driver_set_pin_direction()

• sl_si91x_gpio_driver_configure_ulp_group_interrupt(), for HP instance

• sl_si91x_gpio_driver_configure_ulp_group_interrupt, for ULP instance Use corresponding group interrupt configuration API for corresponding GPIO instance.

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_disable_group_interrupt#

sl_status_t sl_si91x_gpio_driver_disable_group_interrupt (sl_si91x_group_interrupt_t group_interrupt, uint8_t port, uint8_t pin)

Disable the group interrupts.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_clock, for HP instance

• sl_si91x_gpio_driver_enable_pad_receiver(), for HP instance

• sl_si91x_gpio_driver_enable_ulp_pad_receiver(), for ULP instance Use corresponding pad receiver API for corresponding GPIO instance.

• sl_gpio_driver_set_pin_mode()

• sl_si91x_gpio_driver_set_pin_direction()

• sl_si91x_gpio_driver_set_pin_direction()

• sl_si91x_gpio_driver_configure_ulp_group_interrupt(), for HP instance

• sl_si91x_gpio_driver_configure_ulp_group_interrupt, for ULP instance Use corresponding group interrupt configuration API for corresponding GPIO instance.

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_select_ulp_pad_slew_rate#

sl_status_t sl_si91x_gpio_driver_select_ulp_pad_slew_rate (uint8_t gpio_num, sl_si91x_gpio_slew_rate_t slew_rate)

Select the slew rate.

• sl_si91x_gpio_driver_enable_clock()sl_si91x_gpio_driver_enable_ulp_pad_receiver()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_select_ulp_pad_driver_strength#

sl_status_t sl_si91x_gpio_driver_select_ulp_pad_driver_strength (uint8_t gpio_num, sl_si91x_gpio_driver_strength_select_t strength)

Select the drive strength.

• sl_si91x_gpio_driver_enable_clock()sl_si91x_gpio_driver_enable_ulp_pad_receiver()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_select_ulp_pad_driver_disable_state#

sl_status_t sl_si91x_gpio_driver_select_ulp_pad_driver_disable_state (uint8_t gpio_num, sl_si91x_gpio_driver_disable_state_t disable_state)

Select the driver-disabled state control.

• sl_si91x_gpio_driver_enable_clock()sl_si91x_gpio_driver_enable_ulp_pad_receiver()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_disable_ulp_pad_receiver#

sl_status_t sl_si91x_gpio_driver_disable_ulp_pad_receiver (uint8_t gpio_num)

Disable the receiver bit for ULP.

• sl_si91x_gpio_driver_enable_clock()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_enable_ulp_pad_receiver#

sl_status_t sl_si91x_gpio_driver_enable_ulp_pad_receiver (uint8_t gpio_num)

Enable the receiver bit for ULP.

• sl_si91x_gpio_driver_enable_clock()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_configure_ulp_pin_interrupt#

sl_status_t sl_si91x_gpio_driver_configure_ulp_pin_interrupt (uint8_t int_no, sl_si91x_gpio_interrupt_config_flag_t flags, sl_si91x_gpio_pin_ulp_t pin, sl_gpio_irq_callback_t gpio_callback)

Configure the MCU ULP GPIO pin interrupt.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_ulp_pad_receiver()

• sl_gpio_driver_set_pin_mode()

• sl_si91x_gpio_driver_set_pin_direction()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS_NULL_POINTER (0x0022) - The parameter is null pointer SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_set_uulp_npss_pin_mux#

sl_status_t sl_si91x_gpio_driver_set_uulp_npss_pin_mux (uint8_t pin, sl_si91x_uulp_npss_mode_t mode)

Set the NPSS GPIO pin MUX(mode).

• sl_si91x_gpio_driver_enable_clock()sl_si91x_gpio_driver_select_uulp_npss_receiver()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_select_uulp_npss_receiver#

sl_status_t sl_si91x_gpio_driver_select_uulp_npss_receiver (uint8_t pin, sl_si91x_gpio_receiver_t receiver)

Enable/disable NPSS GPIO receiver.

• sl_si91x_gpio_driver_enable_clock()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_set_uulp_npss_direction#

sl_status_t sl_si91x_gpio_driver_set_uulp_npss_direction (uint8_t pin, sl_si91x_gpio_direction_t direction)

Set the direction of the NPSS GPIO.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_select_uulp_npss_receiver()

• sl_si91x_gpio_driver_set_uulp_npss_pin_mux()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_get_uulp_npss_direction#

uint8_t sl_si91x_gpio_driver_get_uulp_npss_direction (uint8_t pin)

Get the direction of the NPSS GPIO.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_select_uulp_npss_receiver()

• sl_si91x_gpio_driver_set_uulp_npss_pin_mux()

• sl_si91x_gpio_driver_set_uulp_npss_direction()

Returns

• returns the GPIO pin direction

  • 1, Input Direction

  • 0, Output Direction

sl_si91x_gpio_driver_set_uulp_npss_pin_value#

sl_status_t sl_si91x_gpio_driver_set_uulp_npss_pin_value (uint8_t pin, sl_si91x_gpio_pin_value_t pin_value)

Control the NPSS GPIO pin value.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_select_uulp_npss_receiver()

• sl_si91x_gpio_driver_set_uulp_npss_pin_mux()

• sl_si91x_gpio_driver_set_uulp_npss_direction()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_get_uulp_npss_pin#

uint8_t sl_si91x_gpio_driver_get_uulp_npss_pin (uint8_t pin)

Get the NPSS GPIO pin value.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_select_uulp_npss_receiver()

• sl_si91x_gpio_driver_set_uulp_npss_pin_mux()

• sl_si91x_gpio_driver_set_uulp_npss_direction()

• sl_si91x_gpio_driver_set_uulp_npss_pin_value()

Returns

• returns the pin logical state of pin '0' - Output '1' - Input

sl_si91x_gpio_driver_select_uulp_npss_polarity#

sl_status_t sl_si91x_gpio_driver_select_uulp_npss_polarity (uint8_t pin, sl_si91x_gpio_polarity_t polarity)

Select the NPSS GPIO polarity.

• sl_si91x_gpio_driver_enable_clock()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_set_uulp_npss_wakeup_interrupt#

sl_status_t sl_si91x_gpio_driver_set_uulp_npss_wakeup_interrupt (uint8_t npssgpio_interrupt)

Set the UULP NPSS GPIO to wake up interrupt.

• sl_si91x_gpio_driver_enable_clock()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_clear_uulp_npss_wakeup_interrupt#

sl_status_t sl_si91x_gpio_driver_clear_uulp_npss_wakeup_interrupt (uint8_t npssgpio_interrupt)

Clear the UULP NPSS GPIO to wake up interrupt.

• sl_si91x_gpio_driver_enable_clock()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_mask_uulp_npss_interrupt#

sl_status_t sl_si91x_gpio_driver_mask_uulp_npss_interrupt (uint8_t npssgpio_interrupt)

Mask the NPSS GPIO interrupt.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_set_uulp_pad_configuration()

• sl_si91x_gpio_driver_select_uulp_npss_receiver()

• sl_si91x_gpio_driver_set_uulp_npss_pin_mux()

• sl_si91x_gpio_driver_set_uulp_npss_direction()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_unmask_uulp_npss_interrupt#

sl_status_t sl_si91x_gpio_driver_unmask_uulp_npss_interrupt (uint8_t npssgpio_interrupt)

Unmask the NPSS GPIO interrupt.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_set_uulp_pad_configuration()

• sl_si91x_gpio_driver_select_uulp_npss_receiver()

• sl_si91x_gpio_driver_set_uulp_npss_pin_mux()

• sl_si91x_gpio_driver_set_uulp_npss_direction()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_clear_uulp_interrupt#

sl_status_t sl_si91x_gpio_driver_clear_uulp_interrupt (uint8_t npssgpio_interrupt)

Clear the NPSS GPIO interrupt.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_set_uulp_pad_configuration()

• sl_si91x_gpio_driver_select_uulp_npss_receiver()

• sl_si91x_gpio_driver_set_uulp_npss_pin_mux()

• sl_si91x_gpio_driver_set_uulp_npss_direction()

• sl_si91x_gpio_configure_uulp_interrupt()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_get_uulp_interrupt_status#

uint8_t sl_si91x_gpio_driver_get_uulp_interrupt_status (void )

Get the NPSS GPIO interrupt status.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_set_uulp_pad_configuration()

• sl_si91x_gpio_driver_select_uulp_npss_receiver()

• sl_si91x_gpio_driver_set_uulp_npss_pin_mux()

• sl_si91x_gpio_driver_set_uulp_npss_direction()

• sl_si91x_gpio_configure_uulp_interrupt()

Returns

• returns the UULP INTR status. 1, interrupt has been raised 0, interrupt is masked or not raised

sl_si91x_gpio_driver_clear_ulp_interrupt#

sl_status_t sl_si91x_gpio_driver_clear_ulp_interrupt (uint32_t flags)

Clear one or more pending ULP GPIO interrupts.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_ulp_pad_receiver()

• sl_gpio_driver_set_pin_mode()

• sl_si91x_gpio_driver_set_pin_direction()

• sl_si91x_gpio_configure_ulp_pin_interrupt()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_clear_ulp_group_interrupt#

sl_status_t sl_si91x_gpio_driver_clear_ulp_group_interrupt (sl_si91x_group_interrupt_t group_interrupt)

Clear the ULP group interrupt.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_enable_ulp_pad_receiver()

• sl_gpio_driver_set_pin_mode()

• sl_si91x_gpio_driver_set_pin_direction()sl_si91x_gpio_driver_configure_ulp_group_interrupt() Use corresponding group interrupt configuration API for corresponding GPIO instance.

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_configure_uulp_interrupt#

sl_status_t sl_si91x_gpio_driver_configure_uulp_interrupt (sl_si91x_gpio_interrupt_config_flag_t flags, uint8_t npssgpio_interrupt, sl_gpio_irq_callback_t gpio_callback)

Configure the UULP GPIO pin interrupt.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_set_uulp_pad_configuration()

• sl_si91x_gpio_driver_select_uulp_npss_receiver()

• sl_si91x_gpio_driver_set_uulp_npss_pin_mux()

• sl_si91x_gpio_driver_set_uulp_npss_direction()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS_NULL_POINTER (0x0022) - The parameter is null pointer SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_toggle_uulp_npss_pin#

sl_status_t sl_si91x_gpio_driver_toggle_uulp_npss_pin (uint8_t pin)

Toggle the UULP pin.

• sl_si91x_gpio_driver_enable_clock()

• sl_si91x_gpio_driver_select_uulp_npss_receiver()

• sl_si91x_gpio_driver_set_uulp_npss_pin_mux()

• sl_si91x_gpio_driver_set_uulp_npss_direction()

Returns

• returns status 0 if successful, else error code. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is invalid argument SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_set_uulp_pad_configuration#

sl_status_t sl_si91x_gpio_driver_set_uulp_pad_configuration (uulp_pad_config_t * pad_config)

Indicate UULP GPIO PAD configuration.

• sl_si91x_gpio_driver_enable_clock()

Returns

• returns status 0 if successful, else error code. SL_STATUS_NULL_POINTER (0x0022) - The parameter is null pointer SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_get_version#

sl_si91x_gpio_version_t sl_si91x_gpio_driver_get_version (void )

Get the release, SQA, and development version numbers of the GPIO peripheral.

Returns

• returns structure of type sl_si91x_gpio_version_t

GPIO_MAX_OUTPUT_VALUE#

#define GPIO_MAX_OUTPUT_VALUE

1

MAX_GROUP_INT#

#define MAX_GROUP_INT

2

GPIO_PORT_MAX_VALUE#

#define GPIO_PORT_MAX_VALUE

4

MAX_UULP_INT#

#define MAX_UULP_INT

5

ULP_MAX_MODE#

#define ULP_MAX_MODE

10

PRIORITY_7#

#define PRIORITY_7

7

GPIO_MAX_INTR_VALUE#

#define GPIO_MAX_INTR_VALUE

8

PORTD_PIN_MAX_VALUE#

#define PORTD_PIN_MAX_VALUE

8

PORTE_PIN_MAX_VALUE#

#define PORTE_PIN_MAX_VALUE

11

MAX_ULP_INTR#

#define MAX_ULP_INTR

12

MAX_MODE#

#define MAX_MODE

15

PORT_PIN_MAX_VALUE#

#define PORT_PIN_MAX_VALUE

15

GPIO_FLAGS_MAX_VALUE#

#define GPIO_FLAGS_MAX_VALUE

0x0F

PORTA#

#define PORTA

0

PORTB#

#define PORTB

1

PORTC#

#define PORTC

2

PORTD#

#define PORTD

3

PORTE#

#define PORTE

4