Hi Marcel, On Fri, Sep 25, 2015 at 4:05 PM, Marcel Holtmann <marcel@xxxxxxxxxxxx> wrote: > Hi Prabhakar, > >> I am using 5.34 bluez-5 stack on linux kernel version 3.14. when I >> create rfcomm connection and do cat /dev/rfcomm0 and from other >> terminal send AT commands to rfcomm0 I get proper response and other >> characters continuously(> ??? ...) echoed from rfcomm0. >> If I do the same from bluez4-101 I get proper response with no other characters. >> >> What is the proper way to do rfcomm communication ? I am trying to >> connect to a OBD device via rfcom socket. > > the /dev/rfcomm0 is a TTY. You have to set it to the right mode (most cases raw mode) to make sure that no extra characters are inserted. If you use rfcomm connect command, then the --raw switch might help. > Thanks the raw flag did the trick. Cheers, --Prabhakar Lad -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
