HBridge.cpp

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/* Copyright (c) 2020 Skyward Experimental Rocketry
 * Authors: Luca Conterio, Alberto Nidasio
 *
 * 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 "HBridge.h"
 
namespace Boardcore
{
 
HBridge::HBridge(miosix::GpioPin inhibitPin, TIM_TypeDef* timer,
                 TimerUtils::Channel channel, unsigned int frequency,
                 float dutyCycle, unsigned int disableDelayMs)
    : inhibitPin(inhibitPin), pwm(timer, frequency), channel(channel),
      frequency(frequency), dutyCycle(dutyCycle), disableDelayMs(disableDelayMs)
{
    inhibitPin.low();
}
 
HBridge::~HBridge() { disable(); }
 
void HBridge::enable()
{
    pwm.setDutyCycle(channel, dutyCycle);
    pwm.enableChannel(channel);
 
    inhibitPin.high();
}
 
void HBridge::disable()
{
    pwm.disableChannel(channel);
 
    miosix::Thread::sleep(disableDelayMs);
 
    inhibitPin.low();
}
 
bool HBridge::isEnabled() { return pwm.isChannelEnabled(channel); }
 
void HBridge::setDutyCycle(float dutyCycle)
{
    this->dutyCycle = dutyCycle;
 
    pwm.setDutyCycle(channel, dutyCycle);
}
 
void HBridge::testDutyCycle(float testDutyCycle)
{
    pwm.setDutyCycle(channel, testDutyCycle);
}
 
}  // namespace Boardcore