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| AnalogPotentiometer (int channel, double fullRange=1.0, double offset=0.0) |
| AnalogPotentiometer constructor. More...
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| AnalogPotentiometer (AnalogInput *input, double fullRange=1.0, double offset=0.0) |
| Construct an Analog Potentiometer object from an existing Analog Input pointer. More...
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| AnalogPotentiometer (std::shared_ptr< AnalogInput > input, double fullRange=1.0, double offset=0.0) |
| Construct an Analog Potentiometer object from an existing Analog Input pointer. More...
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double | Get () const override |
| Get the current reading of the potentiomer. More...
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double | PIDGet () override |
| Implement the PIDSource interface. More...
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void | InitSendable (SendableBuilder &builder) override |
| Live Window code, only does anything if live window is activated.
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| SensorBase (const SensorBase &)=delete |
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SensorBase & | operator= (const SensorBase &)=delete |
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| ErrorBase (const ErrorBase &)=delete |
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ErrorBase & | operator= (const ErrorBase &)=delete |
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virtual Error & | GetError () |
| Retrieve the current error. More...
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virtual const Error & | GetError () const |
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virtual void | SetErrnoError (const llvm::Twine &contextMessage, llvm::StringRef filename, llvm::StringRef function, int lineNumber) const |
| Set error information associated with a C library call that set an error to the "errno" global variable. More...
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virtual void | SetImaqError (int success, const llvm::Twine &contextMessage, llvm::StringRef filename, llvm::StringRef function, int lineNumber) const |
| Set the current error information associated from the nivision Imaq API. More...
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virtual void | SetError (Error::Code code, const llvm::Twine &contextMessage, llvm::StringRef filename, llvm::StringRef function, int lineNumber) const |
| Set the current error information associated with this sensor. More...
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virtual void | SetErrorRange (Error::Code code, int32_t minRange, int32_t maxRange, int32_t requestedValue, const llvm::Twine &contextMessage, llvm::StringRef filename, llvm::StringRef function, int lineNumber) const |
| Set the current error information associated with this sensor. More...
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virtual void | SetWPIError (const llvm::Twine &errorMessage, Error::Code code, const llvm::Twine &contextMessage, llvm::StringRef filename, llvm::StringRef function, int lineNumber) const |
| Set the current error information associated with this sensor. More...
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virtual void | CloneError (const ErrorBase &rhs) const |
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virtual void | ClearError () const |
| Clear the current error information associated with this sensor.
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virtual bool | StatusIsFatal () const |
| Check if the current error code represents a fatal error. More...
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| SendableBase (bool addLiveWindow=true) |
| Creates an instance of the sensor base. More...
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| ~SendableBase () override |
| Free the resources used by this object.
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std::string | GetName () const final |
| Gets the name of this Sendable object. More...
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void | SetName (const llvm::Twine &name) final |
| Sets the name of this Sendable object. More...
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std::string | GetSubsystem () const final |
| Gets the subsystem name of this Sendable object. More...
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void | SetSubsystem (const llvm::Twine &subsystem) final |
| Sets the subsystem name of this Sendable object. More...
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void | SetName (const llvm::Twine &subsystem, const llvm::Twine &name) |
| Sets both the subsystem name and device name of this Sendable object. More...
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void | SetPIDSourceType (PIDSourceType pidSource) override |
| Set which parameter you are using as a process control variable. More...
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virtual PIDSourceType | GetPIDSourceType () const |
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static int | GetDefaultSolenoidModule () |
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static bool | CheckSolenoidModule (int moduleNumber) |
| Check that the solenoid module number is valid. More...
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static bool | CheckDigitalChannel (int channel) |
| Check that the digital channel number is valid. More...
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static bool | CheckRelayChannel (int channel) |
| Check that the relay channel number is valid. More...
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static bool | CheckPWMChannel (int channel) |
| Check that the digital channel number is valid. More...
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static bool | CheckAnalogInputChannel (int channel) |
| Check that the analog input number is value. More...
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static bool | CheckAnalogOutputChannel (int channel) |
| Check that the analog output number is valid. More...
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static bool | CheckSolenoidChannel (int channel) |
| Verify that the solenoid channel number is within limits. More...
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static bool | CheckPDPChannel (int channel) |
| Verify that the power distribution channel number is within limits. More...
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static void | SetGlobalError (Error::Code code, const llvm::Twine &contextMessage, llvm::StringRef filename, llvm::StringRef function, int lineNumber) |
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static void | SetGlobalWPIError (const llvm::Twine &errorMessage, const llvm::Twine &contextMessage, llvm::StringRef filename, llvm::StringRef function, int lineNumber) |
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static Error & | GetGlobalError () |
| Retrieve the current global error.
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static const int | kDigitalChannels = HAL_GetNumDigitalChannels() |
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static const int | kAnalogInputs = HAL_GetNumAnalogInputs() |
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static const int | kAnalogOutputs |
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static const int | kSolenoidChannels = HAL_GetNumSolenoidChannels() |
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static const int | kSolenoidModules = HAL_GetNumPCMModules() |
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static const int | kPwmChannels = HAL_GetNumPWMChannels() |
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static const int | kRelayChannels = HAL_GetNumRelayHeaders() |
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static const int | kPDPChannels = HAL_GetNumPDPChannels() |
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void | AddChild (std::shared_ptr< Sendable > child) |
| Add a child component. More...
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void | AddChild (void *child) |
| Add a child component. More...
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void | SetName (const llvm::Twine &moduleType, int channel) |
| Sets the name of the sensor with a channel number. More...
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void | SetName (const llvm::Twine &moduleType, int moduleNumber, int channel) |
| Sets the name of the sensor with a module and channel number. More...
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Error | m_error |
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PIDSourceType | m_pidSource = PIDSourceType::kDisplacement |
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static wpi::mutex | _globalErrorMutex |
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static Error | _globalError |
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Class for reading analog potentiometers.
Analog potentiometers read in an analog voltage that corresponds to a position. The position is in whichever units you choose, by way of the scaling and offset constants passed to the constructor.
AnalogPotentiometer::AnalogPotentiometer |
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int |
channel, |
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double |
fullRange = 1.0 , |
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double |
offset = 0.0 |
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explicit |
AnalogPotentiometer constructor.
Construct an Analog Potentiometer object from a channel number.
Use the fullRange and offset values so that the output produces meaningful values. I.E: you have a 270 degree potentiometer and you want the output to be degrees with the halfway point as 0 degrees. The fullRange value is 270.0 degrees and the offset is -135.0 since the halfway point after scaling is 135 degrees.
This will calculate the result from the fullRange times the fraction of the supply voltage, plus the offset.
- Parameters
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channel | The analog channel this potentiometer is plugged into. |
fullRange | The scaling to multiply the voltage by to get a meaningful unit. |
offset | The offset to add to the scaled value for controlling the zero value. |
channel | The channel number on the roboRIO to represent. 0-3 are on-board 4-7 are on the MXP port. |
fullRange | The angular value (in desired units) representing the full 0-5V range of the input. |
offset | The angular value (in desired units) representing the angular output at 0V. |