Is it possible to activate Serial 5 on Pixhawk for personal use?

[Nikita P]

Hello, I wrote my code to get some sensors info to Pixhawk and send it to Mission Planner, evything went fine, but it was made on Serial 4; now I have a necessity to use Serial 4 for second GPS. So I want to port my software to Serial 5; but how I can undestand Serial 5 is locked to NSH-console and cant be used for anything else by default.

I saw one old thread on Diydrones where someone changed some code in order to use Serial 5.

Thanks in advance, Nikita.

[Craig Elder]

Can you move your devices or your GPS over to Telem 1 or Telem 2?

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[Nikita P]

I cant everything is in use. I want to use Serial5 either for my sensors output or for second GPS.

пятница, 7 октября 2016 г., 17:25:05 UTC+3 пользователь craigelder написал:

Can you move your devices or your GPS over to Telem 1 or Telem 2?

On 7 October 2016 at 06:07, Nikita P <vasi...@gmail.com> wrote:

Hello, I wrote my code to get some sensors info to Pixhawk and send it to Mission Planner, evything went fine, but it was made on Serial 4; now I have a necessity to use Serial 4 for second GPS. So I want to port my software to Serial 5; but how I can undestand Serial 5 is locked to NSH-console and cant be used for anything else by default.

I saw one old thread on Diydrones where someone changed some code in order to use Serial 5.

Thanks in advance, Nikita.

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[Craig Elder]

You can set http://ardupilot.org/plane/docs/parameters.html#serial5-protocol-serial5-protocol-selection

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[OlliW]

I would be interested in knowing this too

in my understanding one has to distinguish pixhawk, auav-x2, etc. and pixracer
in the former it seems that the 5th uart is reserved to the NSH console, as Nikita P said, and thus used to be not available as a "serialX"
with pixracer a further (6th) serial seems to have been added, allowing for a serial5 as listed in the wiki

so, I think, the question is, is it now possible to use the 5th uart on pixhawk, auav-x2, etc. as serial5 (i.e. is the 5th uart repurposed to a serial5 instead of the NSH shell when serial5 is enabled), or is that option only effective for pixracer, but not pixhawk, auav-x2, etc. ?

(from the parts of the code I have seen it seems to me that it is not easy to use the 5th uart like the other uarts on pixhawk, auav-x2, etc., and that the answer would be thus no, but I would be pleased if I would be wrong :))

[Nikita P]

Yes, that is what I want to know;

As far as I can understand UARTs are listed in "\ardupilot-master\libraries\AP_HAL_PX4\HAL_PX4_Class.cpp"

#if defined(CONFIG_ARCH_BOARD_PX4FMU_V2)

#define UARTA_DEFAULT_DEVICE "/dev/ttyACM0"

#define UARTB_DEFAULT_DEVICE "/dev/ttyS3"

#define UARTC_DEFAULT_DEVICE "/dev/ttyS1"

#define UARTD_DEFAULT_DEVICE "/dev/ttyS2"

#define UARTE_DEFAULT_DEVICE "/dev/ttyS6"

#define UARTF_DEFAULT_DEVICE "/dev/null"

I thought I can define UARTF as /dev/ttyS5, and make other changes in this file according to other UARTs but this didnt work.

пятница, 7 октября 2016 г., 17:56:22 UTC+3 пользователь OlliW написал: