text: // Clough42 Electronic Leadscrew
  // https://github.com/clough42/electronic-leadscrew
  //
  // MIT License
  //
  // Copyright (c) 2019 James Clough
  //
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included in all
  // copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  // SOFTWARE.
  
  #include "TestAlarm.h"
  
  TestAlarm :: TestAlarm( StepperDrive *stepperDrive )
  {
      this->stepperDrive = stepperDrive;
  }
  
  void TestAlarm :: initHardware(void)
  {
      EALLOW;
      GpioCtrlRegs.GPBMUX1.bit.GPIO35 = 0;
  
      GpioCtrlRegs.GPBDIR.bit.GPIO35 = 1; // output;
  
      EDIS;
  }
  
  void TestAlarm :: test(LED_REG *output)
  {
      bool pass = true;
  
      GpioDataRegs.GPBSET.bit.GPIO35 = 1;
      DELAY_US(1000);
  
      pass = pass && ! this->stepperDrive->isAlarm();
  
      GpioDataRegs.GPBCLEAR.bit.GPIO35 = 1;
      DELAY_US(1000);
  
      pass = pass && this->stepperDrive->isAlarm();
  
      output->bit.ALM_GREEN = pass;
      output->bit.ALM_RED = !pass;
  }
  