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This is a Python problem, not a ROS one.
def scaleWheel():
[..]
lscaled_pub = rospy.Publisher("lwheel_scaled", Int16, queue_size=10)
rscaled_pub = rospy.Publisher("rwheel_scaled", Int16, queue_size=10)
[..]
def lwheelCallback(msg):
lscaled_pub.publish( msg.data * -1 * scale)
def rwheelCallback(msg):
rscaled_pub.publish( msg.data * -1 * scale)
The cause here is the fact that lscaled_pub
and rscaled_pub
are variables local to scaleWheel
.
You cannot refer to them in other methods as those variables are not defined in a scope that contains both scaleWheel
and lscaled_pub
and rscaled_pub
.