Function furi_hal_serial_async_rx_available 

pub unsafe extern "C" fn furi_hal_serial_async_rx_available(
    handle: *mut FuriHalSerialHandle,
) -> bool

Check if there is data available for reading

This function must be called only from the callback FuriHalSerialAsyncRxCallback

Arguments

• handle - Serial handle

Returns

true if data is available for reading, false otherwise