Si446x Radio SPI Driver#

sl_ext_device_config_t#

sl_ext_device_config_t

Device GPIO Capabilities.

sl_ext_device_interrupt_depth_t#

sl_ext_device_interrupt_depth_t

Device interrupt depth state.

sl_ext_device_handler_t#

typedef void(* sl_ext_device_handler_t) (void) )(void)

Event Handler callback type.

sl_ext_device_spi_config#

const SPIDRV_Init_t sl_ext_device_spi_config

Device SPI driver configuration.

sl_ext_device_spi_handle#

SPIDRV_Handle_t sl_ext_device_spi_handle

Device SPI driver instance handle (pointer)

sl_ext_device_init#

sl_ext_device_config_t sl_ext_device_init (sl_ext_device_handler_t interrupt_handler, sl_ext_device_handler_t ready_handler)

Initialize Device GPIOs.

Returns

• bitmask of configured features for this device

Note

• First initialization after bootup leaves the device powered down and unselected. Subsequent inits don't touch the device powered or selected states and can be used to reconfigure callback(s), which always clears any stale/pending events. For ready_handler its interrupt is enabled upon configuration; for interrupt_handler sl_ext_device_enable_interrupt() must subsequently be called to enable it.

sl_ext_device_enable_interrupt#

sl_ext_device_interrupt_depth_t sl_ext_device_enable_interrupt (bool clearPending)

Decrement interrupt nesting level and, if 0, enable device interrupt.

Returns

• interrupt level prior to enabling (0=interrupts were enabled)

sl_ext_device_power_down#

#define sl_ext_device_power_down

(void)

Power down the device per GPIO.

sl_ext_device_power_up#

#define sl_ext_device_power_up

(void)

Power up the device per GPIO.

sl_ext_device_is_ready#

#define sl_ext_device_is_ready

(void)

Indicate if the device is ready per GPIO.

Returns

• true if device is ready, false otherwise

sl_ext_device_not_ready#

#define sl_ext_device_not_ready

(void)

Indicate if the device is not ready per GPIO.

Returns

• true if device is not ready, false otherwise

sl_ext_device_wait_ready#

#define sl_ext_device_wait_ready

(void)

Wait for the device to become ready per GPIO.

sl_ext_device_select#

#define sl_ext_device_select

(void)

Select the external device.

sl_ext_device_deselect#

#define sl_ext_device_deselect

(void)

Unselect the external device.

sl_ext_device_is_selected#

#define sl_ext_device_is_selected

(void)

Indicate if the device is selected.

sl_ext_device_not_selected#

#define sl_ext_device_not_selected

(void)

Indicate if the device is not selected.

sl_ext_device_is_interrupt_pending#

#define sl_ext_device_is_interrupt_pending

(void)

Indicate if device interrupt GPIO is pending.

Returns

• true if device interrupt is pending, false otherwise

sl_ext_device_no_interrupt_pending#

#define sl_ext_device_no_interrupt_pending

(void)

Indicate if device interrupt is not pending.

Returns

• true if device interrupt is not pending, false otherwise

sl_ext_device_disable_interrupt#

#define sl_ext_device_disable_interrupt

(void)

Disable device interrupt and increment interrupt nesting level.

Returns

• interrupt level prior to disabling (0=interrupts were enabled)

SL_EXT_DEVICE_POLARITY_INVERT#

#define SL_EXT_DEVICE_POLARITY_INVERT

false

Specifies GPIO pin polarity is inverted (assert = low)

SL_EXT_DEVICE_POLARITY_NORMAL#

#define SL_EXT_DEVICE_POLARITY_NORMAL

true

Specifies GPIO pin polarity is normal (assert = high)

sl_ext_device_init#

#define sl_ext_device_init

sl_si446x_init

sl_ext_device_enable_interrupt#

#define sl_ext_device_enable_interrupt

sl_si446x_enable_interrupt

sl_ext_device_spi_config#

#define sl_ext_device_spi_config

sl_si446x_spi_config