wpilibc/athena/src/SD540.cpp

/*----------------------------------------------------------------------------*/
/* Copyright (c) FIRST 2008-2017. 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 "SD540.h"

#include "HAL/HAL.h"
#include "LiveWindow/LiveWindow.h"

using namespace frc;

/**
 * Note that the SD540 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 SD540 User Manual available
 * from Mindsensors.
 *
 *   2.05ms = full "forward"
 *   1.55ms = the "high end" of the deadband range
 *   1.50ms = center of the deadband range (off)
 *   1.44ms = the "low end" of the deadband range
 *   0.94ms = full "reverse"
 */

/**
 * Constructor for a SD540.
 *
 * @param channel The PWM channel that the SD540 is attached to. 0-9 are
 *                on-board, 10-19 are on the MXP port
 */
SD540::SD540(int channel) : PWMSpeedController(channel) {
  SetBounds(2.05, 1.55, 1.50, 1.44, .94);
  SetPeriodMultiplier(kPeriodMultiplier_1X);
  SetSpeed(0.0);
  SetZeroLatch();

  HAL_Report(HALUsageReporting::kResourceType_MindsensorsSD540, GetChannel());
  LiveWindow::GetInstance()->AddActuator("SD540", GetChannel(), this);
}