This package is a specialized version of the ros_dynamixel_pkg repo for low-level control of tendon-driven continuum robots. In this version, the dynamixels are controlled in number of turns and they publish their current information.
// current(torque) = coeff_2*torque^2 + coeff_1*torque + coeff_0
#define COEFF_0 0.1327
#define COEFF_1 0.5753
#define COEFF_2 0.2030