capture()

size_t capture	(	fl::shared_ptr< fl::RxChannel >	rx_channel,
		fl::span< uint8_t >	rx_buffer,
		size_t	expected_data_bytes,
		int	tx_pin,
		const fl::ChipsetTimingConfig &	timing,
		const char *	driver_name,
		fl::RunResult *	diagnostics = nullptr )