accessing data from serial port
I am pretty new at linux. I have two serial ports(ttyS0 & ttyS1), on one I have GPS system and on the other I have a weather station. I am trying to read data from both the serial ports. I am able to read the data from the weather station, but when i try to read data from gps(ttyS1) the output remains blank. It doesn't even print out the printf statements, that are before the open() & read() functions. Please suggest me.