You also have to config-pin P9.26 uart. If not that, could be you swapped tx and rx, common serial problem.
J On Mon, Oct 14, 2019, 8:05 AM Mridul Ahuja <[email protected]> wrote: > > I have a BeagleBone Black running *Debian 9.9 2019-08-03 4GB SD IoT *( > https://beagleboard.org/latest-images). I want to integrate it with > Sim900a GSM module. But I can't get the UART working. I've connected the > pins P9.24 (UART1 TX) to RX of the module, P9.26 (UART1 RX) to TX of the > module, and P9.2 (DGND) to Gnd of the module. Also I've configured the pins > to work as UART by using sudo config-pin P9.24 uart > > I've tried other UARTs also but no luck. Any help please ? > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/a69b05e6-5f16-4cc9-afcd-0b209ea1d508%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/a69b05e6-5f16-4cc9-afcd-0b209ea1d508%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAGS%2B2h-rewVKvrAjmgT-8Xmaiv1fo8QatAxHziebGF5vH%2BR2nA%40mail.gmail.com.
