![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
a
src/Drivers/vnh.cpp
- Committer:
- alexpirciu
- Date:
- 2019-03-28
- Revision:
- 1:ceee5a608e7c
File content as of revision 1:ceee5a608e7c:
/** ****************************************************************************** * @file VNH.cpp * @author RBRO/PJ-IU * @version V1.0.0 * @date day-month-2017 * @brief This file contains the class defoinition for the VNH Bridge Driver * functionality. ****************************************************************************** */ #include <Drivers/vnh.hpp> namespace drivers{ /** @brief VNH class constructor * * Constructor method * * @param _pwm PWM pin * @param _ina pin A * @param _inb pin B * @param _current current analog pin */ VNH::VNH(PinName _pwm, PinName _ina, PinName _inb, PinName _current) :pwm(_pwm) ,ina(_ina) ,inb(_inb) ,current(_current) { pwm.period_us(200); increment = 0.01; current_speed = 0; } /** @brief VNH class destructor * * Destructor method * * */ VNH::~VNH() { } /** @brief Start method * * * */ void VNH::Start(void) { ina = !inb; pwm.write(0); } /** @brief Stop method * * * */ void VNH::Stop(void) { ina = inb; } /** @brief Run method * * @param speed speed value * */ void VNH::Run(float speed) { Go(speed); } /** @brief Get current method * * * \return Current value */ float VNH::GetCurrent(void) { return (current.read()) * 5 / 0.14; } /** @brief Go method * * @param speed speed value * */ void VNH::Go(float speed) { //pwm.write(abs(speed)); if (speed < 0) { ina = 0; inb = 1; } else { ina = 1; inb = 0; } pwm =std::abs(speed); } /** @brief Inverse method * * @param f_speed speed value * */ void VNH::Inverse(float f_speed) { ina=!ina; inb=!inb; pwm =std::abs(f_speed); } /** @brief Brake method * * * */ void VNH::Brake() { ina.write(0); inb.write(0); pwm.write(100.0); } }; // namespace drivers