steering servo is not responding

[Yunbo W]

Hi guys,

I have finished the hardware setup and the wheels can rotate when I'm using the Logitech Joypad.

However, the servo is not responding and I think my hardware connection (PPM port to servo) is right. The servo (Traxxas 2056) should also be fine because I tested it before.

The joypad .yaml file is the default btw.

Any suggestions will be helpful and appreciated.

Thanks for the help.

Best,

Yunbo

[Yunbo W]

btw guys, when I move the right stick on the joypad and type :

rostopic echo /vesc/commands/servo/position

I can do see the changes of the data, while the servo is still not responding.

Best,

Yunbo

[Jaroslav Klapálek]

Hello!

Have you flashed VESC to support steering? Also, I believe that it has to be somehow tuned in the VESC tool.

Best,

J.

Dne čtvrtek 24. února 2022 v 7:53:16 UTC+1 uživatel Yunbo W napsal:

[Yunbo Wang]

hi Jaroslav,

Thanks so much for your help. Yes, I have flashed with the lasted firmware but I updated to the latest version.

Is this can be the problem?

Best,

Yunbo

Jaroslav Klapálek <klap...@fel.cvut.cz> 于2022年2月24日周四 00:28写道：

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[Jaroslav Klapálek]

Well it depends on the selected firmware. It really needs to be the `_servoout` version. (As in the default configuration, the 3pin connector is used for controlling the motor from an outside source.) And I can't see this firmware in the latest version.

However, you can compile it yourself. The difference should be only one macro somewhere in a configuration file.

Best,

J.

Dne čtvrtek 24. února 2022 v 12:02:29 UTC+1 uživatel Yunbo W napsal:

[Yunbo Wang]

Hi Jaroslav,

I think I have found out the reason. It's the vesc tool problem.

Previously I flashed the vesc with the latest vesc tool and it seems there is no ppm option in the left.

Then I went back to v2.03 and there is another problem. I can't find the .bin file shown on the website.

I think this is the problem. Do you have this .bin file? 

Thanks so much for the help. I think this can be the last question on the hardware.

Best,

Yunbo

Jaroslav Klapálek <klap...@fel.cvut.cz> 于2022年2月24日周四 04:07写道：

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[Jaroslav Klapálek]

Hello,

   so it took me a while investigating the firmware repository, but I have finally found that! Since spring 2021, there are no `servoout` firmwares. The functionality is already in the default firmware, you just have to enable it in App Settings > PPM.

Best,

J.

Dne čtvrtek 24. února 2022 v 20:27:51 UTC+1 uživatel Yunbo W napsal:

[Yunbo Wang]

Hi Jaroslav,

Thanks so much and I have solved the problem!

Much appreciated.

Best,

Yunbo

Jaroslav Klapálek <klap...@fel.cvut.cz> 于2022年2月24日周四 23:29写道：

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[Eejoy Lim]

Hi,

May I know what did you do to solve the steering issue? This is my ppm settings.

Thank you in advance.

Regards,

Eejoy