Constructor.
bool owns_backend
True if this Device owns the hw_backend (SINGLE_SPI mode)
struct fl::spi::Device::Impl::AsyncState async_state
SPIBusHandle bus_handle
Handle from SPIBusManager.
fl::shared_ptr< SpiHwBase > hw_backend
Platform-specific backend pointer (for single-lane SPI)
Config config
Device configuration.
bool initialized
Whether hardware is initialized.