General-Purpose Input-Output#

sl_gpio_irq_callback_t#

typedef void(* sl_gpio_irq_callback_t) (uint32_t flag) )(uint32_t flag)

GPIO interrupt callback function pointer.

sl_gpio_driver_clear_interrupts#

STATIC __INLINE sl_status_t sl_gpio_driver_clear_interrupts (uint32_t flags)

Clear one or more pending GPIO interrupts.

• Pre-conditions:

  • 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_gpio_driver_set_pin_mode()

  • sl_si91x_gpio_driver_set_pin_direction()

Returns

• returns status 0

  • SL_STATUS_OK (0X000) - Success

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.

• Pre-conditions:

  • sl_si91x_gpio_set_configuration()

  • sl_si91x_gpio_driver_set_pin_direction()

Returns

• The following values are returned:

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer

  • SL_STATUS_OK (0X000) - Success

  • SL_STATUS_BUSY (0x0004) - Interrupt is busy and cannot carry out the requested operation

sl_gpio_configure_group_interrupt#

sl_status_t sl_gpio_configure_group_interrupt (sl_si91x_gpio_group_interrupt_config_t * configuration, sl_gpio_irq_callback_t gpio_callback)

Configure the GPIO group interrupts for HP,ULP instances.

• Pre-conditions:

  • sl_si91x_gpio_set_configuration()

  • sl_si91x_gpio_driver_set_pin_direction()

Returns

• The following values are returned:

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a null pointer

  • SL_STATUS_OK (0X000) - Success

  • SL_STATUS_BUSY (0x0004) - Interrupt is busy and cannot carry out the requested operation

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 in HP (or) ULP instance.

By default mode-0 is set and GPIO pin acts as normal GPIO. If a GPIO pin to be used for some alternate modes, the respective mode is to be selected. For more information about modes present for different instances, please refer PIN MUX section in HRM.

• Pre-conditions:

  • 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 the corresponding pad receiver API for corresponding GPIO instance.

Returns

• The following values are returned:

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a 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 pin mode (alternate function) of a GPIO for either HP instance (or) ULP instance as per the port number.

• Pre-conditions:

  • 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 the corresponding pad receiver API for the corresponding GPIO instance. sl_gpio_driver_set_pin_mode();

Returns

• The following values are returned:

  • 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_deinit#

sl_status_t sl_gpio_driver_deinit (void )

sl_gpio_driver_unregister#

sl_status_t sl_gpio_driver_unregister (sl_si91x_gpio_instances_t gpio_instance, sl_si91x_gpio_intr_t gpio_intr, uint8_t flag)

Unregister GPIO driver.

Returns

• The following values are returned:

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument

  • SL_STATUS_OK (0X000) - Success

sl_gpio_validation#

STATIC __INLINE sl_status_t sl_gpio_validation (sl_gpio_t * gpio)

Validating port and pin of GPIO.

Returns

• The following values are returned:

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument

  • SL_STATUS_OK (0X000) - Success

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.

• Pre-conditions:

  • 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 the corresponding pad receiver API for corresponding GPIO instance.

  • sl_gpio_driver_set_pin_mode();

  • sl_si91x_gpio_driver_set_pin_direction();

Returns

• The following values are returned:

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a 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)

Clear a single pin in the GPIO configuration register to 0.

• Pre-conditions:

  • 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 the corresponding pad receiver API for the 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a 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.

• Pre-conditions:

  • 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 the corresponding pad receiver API for the 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a 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 pin value for a single pin in a GPIO port.

• Pre-conditions:

  • 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 the corresponding pad receiver API for the 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a 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.

• Pre-conditions:

  • 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 the corresponding pad receiver API for the 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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.

• Pre-conditions:

  • 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 the corresponding pad receiver API for the 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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.

• Pre-conditions:

  • 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 the corresponding pad receiver API for the 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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.

• Pre-conditions:

  • 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 the corresponding pad receiver API for the corresponding GPIO instance.

  • sl_gpio_driver_set_pin_mode()

  • sl_si91x_gpio_driver_set_pin_direction()

Returns

• The GPIO pin value '0' - Low
  '1' - High
  

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)

Set the GPIO port configuration register.

• Pre-conditions:

  • 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 the corresponding pad receiver API for the 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument

  • SL_STATUS_OK (0X000) - Success

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)

Read the port value for GPIO.

• Pre-conditions:

  • 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 the corresponding pad receiver API for the corresponding GPIO instance.

  • sl_gpio_driver_set_pin_mode()

  • sl_si91x_gpio_driver_set_pin_direction()

Returns

• The GPIO pin value '0' - Low
  '1' - High
  

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 )

Get the pending GPIO interrupts.

• Pre-conditions:

  • 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_gpio_driver_set_pin_mode()

  • sl_si91x_gpio_driver_set_pin_direction()

Returns

• Pending GPIO Pin interrupt numbers.

sl_gpio_driver_get_enabled_interrupts#

STATIC __INLINE uint32_t sl_gpio_driver_get_enabled_interrupts (void )

Get the enabled GPIO interrupts.

• Pre-conditions:

  • 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_gpio_driver_set_pin_mode()

  • sl_si91x_gpio_driver_set_pin_direction()

Returns

• Enabled GPIO pin interrupt numbers.

sl_gpio_driver_get_enabled_pending_interrupts#

STATIC __INLINE uint32_t sl_gpio_driver_get_enabled_pending_interrupts (void )

Get the enabled and pending GPIO interrupt flags.

• Pre-conditions:

  • 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_gpio_driver_set_pin_mode()

  • sl_si91x_gpio_driver_set_pin_direction()

Returns

• Enabled GPIO pending interrupts.

sl_gpio_set_configuration#

sl_status_t sl_gpio_set_configuration (sl_si91x_gpio_pin_config_t pin_config)

Configuration of the GPIO based on port and pin.

Port A,B,C,D are considered for HP instance, ULP PORT is considered for ULP instance UULP PORT is considered for UULP instance. The configuration of GPIO pin like which GPIO pin and port are to be passed through the structure. By default mode is taken as mode0, which is normal GPIO selection. Returns

• None

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.

• Pre-conditions:

  • 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 of a selected GPIO pin.

• Pre-conditions:

  • 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 enable bit in the PAD configuration register for reading the GPIO pin status.

• Pre-conditions:

  • 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 enable bit in the PAD configuration register.

• Pre-conditions:

  • 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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)

Enable the pad selection bit in the PAD selection register.

• Pre-condition:

  • sl_si91x_gpio_driver_enable_clock()

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument

  • SL_STATUS _OK (0X000) - Success

sl_si91x_gpio_driver_enable_host_pad_selection#

sl_status_t sl_si91x_gpio_driver_enable_host_pad_selection (uint8_t gpio_num)

Enable the host pad selection bit in the PAD selection register.

GPIO pin number(25 to 30) are valid for HOST PAD selection, referring to SL_GPIO_PORT_B, pins 9 to 14.

• Pre-condition:

  • sl_si91x_gpio_driver_enable_clock()

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 the drive strength for an HP instance GPIO pin.

• Pre-conditions:

  • 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 for an HP instance GPIO pin.

• Pre-conditions:

  • sl_si91x_gpio_driver_enable_clock()

  • sl_si91x_gpio_driver_enable_clock

  • sl_si91x_gpio_driver_enable_pad_receiver()

• 0, for HiZ (P1=0,P2=0)

• 1, for Pull-up (P1=0,P2=1)

• 2, for Pull-down (P1=1,P2=0)

• 3, for Repeater (P1=1,P2=1)

Returns

• returns status 0 if successful, else error code as follow. SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 type of the group interrupt.

If multiple interrupts on same port (or) different are to be generated, then use this API. Example: Consider port A: pin 2,3 and port D: pin 1,2 for interrupt generation. Choose OR, any of the selected pin condition triggers the group interrupt generation Choose AND, all the selected pin conditions should match to trigger group interrupt generation

• Pre-conditions:

  • 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 the corresponding pad receiver API for the 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 selected group interrupt status value.

• Pre-conditions:

  • 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 as follow.

  • 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 current status of the selected group interrupt.

• Pre-conditions:

  • 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 the corresponding group interrupt configuration API for the 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 as a wake up source across sleep wakeups.

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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)

Configure the MCU HP instance group interrupts with trigger type (level/edge), polarity (high/low), interrupt type (and/or) and register the callback function for interrupts.

• Pre-conditions:

  • 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 as follow.

  • 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 configured polarity of group interrupt.

• Pre-conditions:

  • 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 the corresponding group interrupt configuration API for the corresponding GPIO instance.

Returns

• returns group interrupt polarity

  • 1, when GPIO pin status is HIGH

  • 0, when GPIO pin status is LOW

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 to a selected group interrupt which decides the active value of the pin to be considered for group interrupt generation.

'0' – group interrupt gets generated when gpio input pin status is LOW '1' – group interrupt gets generated when gpio input pin status is HIGH

• Pre-conditions:

  • 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 the corresponding pad receiver API for the 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 the corresponding group interrupt configuration API for the corresponding GPIO instance.

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 configured level/edge event for the selected group interrupt.

• Pre-conditions:

  • 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 the corresponding group interrupt configuration API for the 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 for the selected group interrupt.

'1' Triggers interrupt generation when configured edge is detected on pin '0' Triggers interrupt generation when configured level is detected on pin

• Pre-conditions:

  • 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 the corresponding pad receiver API for the 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 the corresponding group interrupt configuration API for the corresponding GPIO instance.

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 selected group interrupt to enable interrupt clearing upon generation.

• Pre-conditions:

  • 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 the corresponding group interrupt configuration API for the corresponding GPIO instance.

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 selected group interrupt.

• Pre-conditions:

  • 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 the corresponding pad receiver API for the 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 the clock for either the HP or ULP instance of the GPIO Peripheral.

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 the clock for either the HP or ULP instance of the GPIO peripheral.

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument

  • 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 selected group interrupts for either the HP or ULP instance of the GPIO peripheral.

• Pre-conditions:

  • 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 the corresponding pad receiver API for the 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 the corresponding group interrupt configuration API for the corresponding GPIO instance.

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 selected group interrupts for either the HP or ULP instance of the GPIO peripheral.

• Pre-conditions:

  • 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 the corresponding pad receiver API for the 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 the corresponding group interrupt configuration API for the corresponding GPIO instance.

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 for the ULP instance of the GPIO peripheral.

• Pre-conditions:

  • sl_si91x_gpio_driver_enable_clock()

  • sl_si91x_gpio_driver_enable_ulp_pad_receiver()

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 for the ULP instance of the GPIO peripheral.

• Pre-conditions:

  • sl_si91x_gpio_driver_enable_clock()

  • sl_si91x_gpio_driver_enable_ulp_pad_receiver()

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 for the ULP instance of the GPIO peripheral.

• Pre-conditions:

  • sl_si91x_gpio_driver_enable_clock()

  • sl_si91x_gpio_driver_enable_ulp_pad_receiver()

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 enable bit for the ULP instance of the GPIO peripheral.

• Pre-condition:

  • sl_si91x_gpio_driver_enable_clock()

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 enable bit for the ULP instance of the GPIO peripheral.

• Pre-condition:

  • sl_si91x_gpio_driver_enable_clock()

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 instance pin interrupts with the trigger type (level/edge) and register the callback function for interrupts.

• Pre-conditions:

  • 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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) to the selected mode.

• Pre-conditions:

  • sl_si91x_gpio_driver_enable_clock()

  • sl_si91x_gpio_driver_select_uulp_npss_receiver()

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 the NPSS GPIO Input Buffer.

• Pre-condition:

  • sl_si91x_gpio_driver_enable_clock()

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 for the selected NPSS GPIO.

• Pre-conditions:

  • 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 selected NPSS GPIO.

• Pre-conditions:

  • 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(set or clear) the NPSS GPIO pin value.

• Pre-conditions:

  • 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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)

Read the status of the selected NPSS GPIO pin value.

• Pre-conditions:

  • 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 for generating the interrupt.

• Pre-condition:

  • sl_si91x_gpio_driver_enable_clock()

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 NPSS GPIO interrupt as a wake up source across sleep wakeups.

• Pre-condition:

  • sl_si91x_gpio_driver_enable_clock()

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 Interrupt as a wake up source.

• Pre-condition:

  • sl_si91x_gpio_driver_enable_clock()

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 selected NPSS GPIO interrupt.

• Pre-conditions:

  • 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 selected NPSS GPIO interrupt.

• Pre-conditions:

  • 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 selected NPSS GPIO interrupt.

• Pre-conditions:

  • 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 current status of all the NPSS GPIO interrupt status.

• Pre-conditions:

  • 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_get_ulp_interrupt_status#

uint32_t sl_si91x_gpio_driver_get_ulp_interrupt_status (uint32_t flags)

Get the selected ULP instance GPIO pin interrupt status.

• Pre-conditions:

  • 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 the ULP 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 the selected ULP instance GPIO pin interrupts.

• Pre-conditions:

  • 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 selected ULP instance group interrupt.

• Pre-conditions:

  • 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 the corresponding group interrupt configuration API for the corresponding GPIO instance.

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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 with interrupt type level or edge and registers callback function for interrupts.

• Pre-conditions:

  • 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an invalid argument

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is null pointer

  • 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 MCU ULP instance group interrupts with trigger type (level/edge), polarity (high/low), interrupt type (and/or) and register the callback function for interrupts.

• Pre-conditions:

  • 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 as follow.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a 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 selected UULP pin status.

• Pre-conditions:

  • 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 as follow.

  • SL_STATUS_INVALID_PARAMETER (0x0021) - The parameter is an 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)

Configure the UULP GPIO pin mode, receiver enable, direction and polarity settings.

• Pre-condition:

  • sl_si91x_gpio_driver_enable_clock()

Returns

• returns status 0 if successful, else error code as follow.

  • SL_STATUS_NULL_POINTER (0x0022) - The parameter is a 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

5

MAX_UULP_INT#

#define MAX_UULP_INT

5

ULP_MAX_MODE#

#define ULP_MAX_MODE

10

GPIO_MAX_INTR_VALUE#

#define GPIO_MAX_INTR_VALUE

8

PORTD_PIN_MAX_VALUE#

#define PORTD_PIN_MAX_VALUE

9

ULP_PIN_MAX_VALUE#

#define ULP_PIN_MAX_VALUE

11

UULP_PIN_MAX_VALUE#

#define UULP_PIN_MAX_VALUE

5

MAX_ULP_INTR#

#define MAX_ULP_INTR

8

MAX_MODE#

#define MAX_MODE

15

PORTA_PIN_MAX_VALUE#

#define PORTA_PIN_MAX_VALUE

57

PORT_PIN_MAX_VALUE#

#define PORT_PIN_MAX_VALUE

15

GPIO_FLAGS_MAX_VALUE#

#define GPIO_FLAGS_MAX_VALUE

0x0F

PAD_SELECT_9#

#define PAD_SELECT_9

9

UULP_PORT#

#define UULP_PORT

5

GPIO_MAX_PORT_PINS#

#define GPIO_MAX_PORT_PINS

0xFFFF