I would like to control some dynamixel motors (namely **MX 28** and **MX 64**) by there speed while not using 'goal_position'. In the [documentation](http://support.robotis.com/en/product/dynamixel/mx_series/mx-28.htm) is mentioned the **Wheel Mode** (by setting `CW = 0` and `CCW =0`) which I suppose is designed for my needs.
I can't find any `joint_speed_controller` in the `dynamixel_motor` pkg. Did anyone found or wrote its own joint speed controller?
If not, I'v seen the functions `set_speed(self, servo_id, speed)` in `dynamixel_io.py` but I'm not sure what is required to be set in a jont_speed_controller node. Can someone help me in this?
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