Hi shibin On Tue, Nov 22, 2011 at 9:48 PM, shibin k reeny <shibinkreeny@xxxxxxxxx> wrote: > rs232 read pgm is not working when i connect in loopback but write is > wroking plz help... Rather than trying to debug your program, I'll point you at this document: http://tldp.org/HOWTO/Serial-Programming-HOWTO/ and point at some sample code which I wrote a while ago, which I know works: http://svn.hylands.org/host/sertest/sertest.c -- Dave Hylands Shuswap, BC, Canada http://www.davehylands.com _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies