Si446x Radio SPI Driver

Initialize Device GPIOs.

Parameters

interrupt_handler	The handler for device general interrupt (NULL to disable)
ready_handler	The handler for device ready interrupt (NULL to disable)

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.

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

Parameters

clearPending

if true clears any "stale" pending interrupt just prior to enabling device interrupt.

Returns

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

Power down the device per GPIO.

Power up the device per GPIO.

Indicate if the device is ready per GPIO.

Returns

true if device is ready, false otherwise

Indicate if the device is not ready per GPIO.

Returns

true if device is not ready, false otherwise

Wait for the device to become ready per GPIO.

Select the external device.

Unselect the external device.

Indicate if the device is selected.

Indicate if the device is not selected.

Indicate if device interrupt GPIO is pending.

Returns

true if device interrupt is pending, false otherwise

Indicate if device interrupt is not pending.

Returns

true if device interrupt is not pending, false otherwise

Disable device interrupt and increment interrupt nesting level.

Returns

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

Specifies GPIO pin polarity is inverted (assert = low)

Specifies GPIO pin polarity is normal (assert = high)

Event Handler callback type.

Device GPIO Capabilities.

Device interrupt depth state.

Device SPI driver configuration.

Device SPI driver instance handle (pointer)