I guess I did some mistake answering back there =P It is in UART_RX. I search the internet and found that maybe I'm getting the inverted messages, all the 1s as 0s and the 0s as 1s.
On 5 November 2013 09:50, Gustavo Oliveira <[email protected]>wrote: > 1) I'm using the 3.3V pin, so the voltage is acceptable in p9_22. > > 2) What do you mean by setttings, the fields when I export the pin? Or the > pin mode? I think mine are ok, what should they be? > > 3) I tried many applications, python scripts, c scripts, minicom... > > > On 5 November 2013 05:26, Maxim Podbereznyy <[email protected]> wrote: > >> 1) I would place a voltage translator or a simple voltage divider based >> on two resistors to reduce 5 volts to the acceptable 3.3V. >> >> 2) check the pinmux settings for that pin >> >> 3) what terminal application do you use to read data? Check the serial >> port parameters and don't forget to disable the hardware flow control if any >> 05 нояб. 2013 г. 3:55 пользователь "Gustavo Oliveira" < >> [email protected]> написал: >> >>> Hi, thank you for quick reply, >>> I'm using a BeagleBone and Ubuntu 12.04. >>> >>> I have the TX connected to p9_22, which is uart2 RX. >>> >>> On Monday, November 4, 2013 7:38:06 PM UTC, lisarden wrote: >>>> >>>> hi! >>>> >>>> what board do you use and what OS? >>>> >>>> your datasheet says that VCC is +5V and the TX pin also work in 0-VCC >>>> range. If you use beaglebone it accepts only 3.3V, however there can be >>>> options >>>> >>>> >>>> 2013/11/4 Gustavo Oliveira <[email protected]> >>>> >>>>> Hello, >>>>> I'm trying to read from a LV-Maxsonar-EZ0 using the serial interface. >>>>> >>>>> I have connected the wires correctly and I have placed an overlay in >>>>> uart2. >>>>> The problem is the data I'm reading from the sensor. I can only get >>>>> garbage, but its not completely wrong because the data changes according >>>>> to >>>>> the distance to obstacle. >>>>> >>>>> The datasheet for the sensor can be found here: >>>>> datasheet<http://www.maxbotix.com/documents/MB1000_Datasheet.pdf> >>>>> . >>>>> >>>>> I searched google for a day and couldn't find anything... >>>>> Someone posted in a raspberry pi forum that the problem is the meaning >>>>> of 1s and 0s, but I changed active_low to 1 and I got the same. >>>>> >>>>> I'm not very proficient with electronics, so I might take some time >>>>> following instructions. >>>>> Nonetheless all the help will be welcome. >>>>> >>>>> -- >>>>> 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]. >>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>> >>>> >>>> >>>> >>>> -- >>>> LinkedIn - http://www.linkedin.com/in/maximpodbereznyy >>>> Company - http://www.linkedin.com/company/mentorel >>>> Facebook - https://www.facebook.com/mentorel.company >>>> >>> -- >>> 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]. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >> -- >> 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/gOK8R4_mRzw/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> [email protected]. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > -- 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]. For more options, visit https://groups.google.com/groups/opt_out.
