How to write a node to communicate with USB?

asked 2013-07-16 18:28:10 -0600

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updated 2014-01-28 17:17:17 -0600

ngrennan
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Using ROS I want to communicate with robot base which receives data through USB. So I want to write a ROS node that can write data on USB port. Please help me. can some one provide me python or C++ code for opening USB port, initializing it and to send the data on the port?

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Check the source of ROS serial? http://www.ros.org/wiki/rosserial_python

davinci ( 2013-07-30 01:39:23 -0600 )edit

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answered 2013-07-16 22:29:04 -0600

davinci

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What kind of usb device and robot base is it? You could look at ROS serial: http://www.ros.org/wiki/rosserial

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It is FTDI device. means the base is having a microcontroller based circuit for motor control. the microcontroller can actually handle RS-232 and the FTDI device converts RS-232 data in to packets of USB to support the communication. I just need to send specific data to USB port.