I'm struggling in read/write operation in beaglebone board. Only the read operation done correctly If I have used TTL to USB convertor. Only the write operation done correctly if I have used TTL cable alone. I cant understand what will be wrong. Can anyone please help me?
On Tue, Feb 6, 2018 at 12:55 PM, <revathimr1...@gmail.com> wrote: > Hi everyone, > > I'm new to beaglebone black board.I need to read/write data via UART port > in beaglebone board.I can read the data in beaglebone board via UART1 port > from PC. But I cant read data in PC from beaglebone board. Can anyone > please help me to fix this issue? > > > -- > On Sunday, February 19, 2012 at 12:57:47 AM UTC+5:30, Gregg D. Harrington > wrote: >> >> Hello everyone. I posted earlier about something and everyone was so >> helpful I thought I would give it another go. >> >> I am trying to setup my first uart connections to the beagle bone. A GPS >> sensor for reading out GPS sentences from the device. I have confirmed it >> works with other micro controllers and my windows PC. However, I have no >> experience with the command line tools in linux to read this stuff. Which >> is the first step I want to take before writing software around it. >> >> I have read a bunch of stuff about stty, setserial and other tools to >> read a uart, but have had just plain NO LUCK. >> >> I have attached my GPS Tx line to my P9, pin 26 (UART1_RXD). As far as I >> have read, this should be the correct pin for this. I have also used the >> power and ground lines from the BeagleBone into a bread board. Confirmed it >> is Tx'ing data at 9600 with an external serial connection (via windows) and >> my oscilloscope. I would like todo the following: >> >> 1. Setup the uart connection. >> - Does this require setting a mode on the pin for muxing? >> - How do I read the data? >> >> I have found several articles on talking to a serial device, but none >> that are clear to me on how to read. >> >> Thanks in advanced. >> >> Cheers, >> >> Gregg >> >> -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to a topic in the > Google Groups "BeagleBoard" group. > To unsubscribe from this topic, visit https://groups.google.com/d/ > topic/beagleboard/nIa7usp7wuA/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > beagleboard+unsubscr...@googlegroups.com. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/beagleboard/1014015a-cd10-45a1-ad6c-26d45aa05990%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/1014015a-cd10-45a1-ad6c-26d45aa05990%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- Thanks & Regard *s* *Revathi.M* -- 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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAJCh%2B2fbBTf5%2BMGd9Onb8B%3Dcv%3D6pSU3jpgt4iJ3p1qi%3DUJaHNQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.