/*----------------------------------------------------------------------------*/ /* Copyright (c) FIRST 2008-2016. All Rights Reserved. */ /* Open Source Software - may be modified and shared by FRC teams. The code */ /* must be accompanied by the FIRST BSD license file in the root directory of */ /* the project. */ /*----------------------------------------------------------------------------*/ #include "Talon.h" #include "LiveWindow/LiveWindow.h" using namespace frc; /** * @param channel The PWM channel that the Talon is attached to. */ Talon::Talon(int channel) : SafePWM(channel) { /* Note that the Talon uses the following bounds for PWM values. These values * should work reasonably well for most controllers, but if users experience * issues such as asymmetric behavior around the deadband or inability to * saturate the controller in either direction, calibration is recommended. * The calibration procedure can be found in the Talon User Manual available * from CTRE. * * - 211 = full "forward" * - 133 = the "high end" of the deadband range * - 129 = center of the deadband range (off) * - 125 = the "low end" of the deadband range * - 49 = full "reverse" */ SetBounds(2.037, 1.539, 1.513, 1.487, .989); SetPeriodMultiplier(kPeriodMultiplier_2X); SetRaw(m_centerPwm); LiveWindow::GetInstance()->AddActuator("Talon", GetChannel(), this); } /** * Set the PWM value. * * The PWM value is set using a range of -1.0 to 1.0, appropriately * scaling the value for the FPGA. * * @param speed The speed value between -1.0 and 1.0 to set. */ void Talon::Set(double speed) { SetSpeed(speed); } /** * Get the recently set value of the PWM. * * @return The most recently set value for the PWM between -1.0 and 1.0. */ double Talon::Get() const { return GetSpeed(); } /** * Common interface for disabling a motor. */ void Talon::Disable() { SetRaw(kPwmDisabled); } /** * Write out the PID value as seen in the PIDOutput base object. * * @param output Write out the PWM value as was found in the PIDController */ void Talon::PIDWrite(double output) { Set(output); }