dataAvailable method
Data available.
Check to see if data is available on the device for reading.
If millisecondsToWait
is 0 the method returns immediately.
Returns true if data available, false otherwise.
Implementation
bool dataAvailable(MraaUartContext dev, int millisecondsToWait) {
final ret = _impl.mraa_uart_data_available(dev, millisecondsToWait);
return ret == 1;
}