/* * Compressor.cpp */ #include "Compressor.h" #include "WPIErrors.h" /** * Constructor * * @param module The PCM ID to use (0-62) */ Compressor::Compressor(uint8_t pcmID) { m_pcm_pointer = initializeCompressor(pcmID); SetClosedLoopControl(true); } /** * Starts closed-loop control. Note that closed loop control is enabled by * default. */ void Compressor::Start() { SetClosedLoopControl(true); } /** * Stops closed-loop control. Note that closed loop control is enabled by * default. */ void Compressor::Stop() { SetClosedLoopControl(false); } /** * Check if compressor output is active * @return true if the compressor is on */ bool Compressor::Enabled() const { int32_t status = 0; bool value; value = getCompressor(m_pcm_pointer, &status); if (status) { wpi_setWPIError(Timeout); } return value; } /** * Check if the pressure switch is triggered * @return true if pressure is low */ bool Compressor::GetPressureSwitchValue() const { int32_t status = 0; bool value; value = getPressureSwitch(m_pcm_pointer, &status); if (status) { wpi_setWPIError(Timeout); } return value; } /** * Query how much current the compressor is drawing * @return The current through the compressor, in amps */ float Compressor::GetCompressorCurrent() const { int32_t status = 0; float value; value = getCompressorCurrent(m_pcm_pointer, &status); if (status) { wpi_setWPIError(Timeout); } return value; } /** * Enables or disables automatically turning the compressor on when the * pressure is low. * @param on Set to true to enable closed loop control of the compressor. False * to disable. */ void Compressor::SetClosedLoopControl(bool on) { int32_t status = 0; setClosedLoopControl(m_pcm_pointer, on, &status); if (status) { wpi_setWPIError(Timeout); } } /** * Returns true if the compressor will automatically turn on when the * pressure is low. * @return True if closed loop control of the compressor is enabled. False if * disabled. */ bool Compressor::GetClosedLoopControl() const { int32_t status = 0; bool value; value = getClosedLoopControl(m_pcm_pointer, &status); if (status) { wpi_setWPIError(Timeout); } return value; } /** * Query if the compressor output has been disabled due to high current draw. * @return true if PCM is in fault state : Compressor Drive is * disabled due to compressor current being too high. */ bool Compressor::GetCompressorCurrentTooHighFault() const { int32_t status = 0; bool value; value = getCompressorCurrentTooHighFault(m_pcm_pointer, &status); if (status) { wpi_setWPIError(Timeout); } return value; } /** * Query if the compressor output has been disabled due to high current draw * (sticky). * A sticky fault will not clear on device reboot, it must be cleared through * code or the webdash. * @return true if PCM sticky fault is set : Compressor Drive is * disabled due to compressor current being too high. */ bool Compressor::GetCompressorCurrentTooHighStickyFault() const { int32_t status = 0; bool value; value = getCompressorCurrentTooHighStickyFault(m_pcm_pointer, &status); if (status) { wpi_setWPIError(Timeout); } return value; } /** * Query if the compressor output has been disabled due to a short circuit * (sticky). * A sticky fault will not clear on device reboot, it must be cleared through * code or the webdash. * @return true if PCM sticky fault is set : Compressor output * appears to be shorted. */ bool Compressor::GetCompressorShortedStickyFault() const { int32_t status = 0; bool value; value = getCompressorShortedStickyFault(m_pcm_pointer, &status); if (status) { wpi_setWPIError(Timeout); } return value; } /** * Query if the compressor output has been disabled due to a short circuit. * @return true if PCM is in fault state : Compressor output * appears to be shorted. */ bool Compressor::GetCompressorShortedFault() const { int32_t status = 0; bool value; value = getCompressorShortedFault(m_pcm_pointer, &status); if (status) { wpi_setWPIError(Timeout); } return value; } /** * Query if the compressor output does not appear to be wired (sticky). * A sticky fault will not clear on device reboot, it must be cleared through * code or the webdash. * @return true if PCM sticky fault is set : Compressor does not * appear to be wired, i.e. compressor is * not drawing enough current. */ bool Compressor::GetCompressorNotConnectedStickyFault() const { int32_t status = 0; bool value; value = getCompressorNotConnectedStickyFault(m_pcm_pointer, &status); if (status) { wpi_setWPIError(Timeout); } return value; } /** * Query if the compressor output does not appear to be wired. * @return true if PCM is in fault state : Compressor does not * appear to be wired, i.e. compressor is * not drawing enough current. */ bool Compressor::GetCompressorNotConnectedFault() const { int32_t status = 0; bool value; value = getCompressorNotConnectedFault(m_pcm_pointer, &status); if (status) { wpi_setWPIError(Timeout); } return value; } /** * Clear ALL sticky faults inside PCM that Compressor is wired to. * * If a sticky fault is set, then it will be persistently cleared. Compressor * drive * maybe momentarily disable while flags are being cleared. Care * should be * taken to not call this too frequently, otherwise normal * compressor * functionality may be prevented. * * If no sticky faults are set then this call will have no effect. */ void Compressor::ClearAllPCMStickyFaults() { int32_t status = 0; clearAllPCMStickyFaults(m_pcm_pointer, &status); if (status) { wpi_setWPIError(Timeout); } } void Compressor::UpdateTable() { if (m_table) { m_table->PutBoolean("Enabled", Enabled()); m_table->PutBoolean("Pressure switch", GetPressureSwitchValue()); } } void Compressor::StartLiveWindowMode() {} void Compressor::StopLiveWindowMode() {} std::string Compressor::GetSmartDashboardType() const { return "Compressor"; } void Compressor::InitTable(std::shared_ptr subTable) { m_table = subTable; UpdateTable(); } std::shared_ptr Compressor::GetTable() const { return m_table; } void Compressor::ValueChanged(std::shared_ptr source, const std::string& key, EntryValue value, bool isNew) { if (value.b) Start(); else Stop(); }