Files
allwpilib/wpilibc/athena/include/DriverStation.h
Tyler Veness 0cd05d1a42 Cleaned up integer type usage in wpilibc (#92)
Replaced all unsigned types to signed and int32_t with int in wpilibc
2016-09-06 00:01:45 -07:00

131 lines
4.8 KiB
C++

/*----------------------------------------------------------------------------*/
/* Copyright (c) FIRST 2008-2016. All Rights Reserved. */
/* Open Source Software - may be modified and shared by FRC teams. The code */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project. */
/*----------------------------------------------------------------------------*/
#pragma once
#include <atomic>
#include <condition_variable>
#include <memory>
#include <string>
#include "HAL/cpp/Semaphore.h"
#include "HAL/cpp/priority_condition_variable.h"
#include "HAL/cpp/priority_mutex.h"
#include "RobotState.h"
#include "SensorBase.h"
#include "Task.h"
struct HALControlWord;
class AnalogInput;
/**
* Provide access to the network communication data to / from the Driver
* Station.
*/
class DriverStation : public SensorBase, public RobotStateInterface {
public:
enum Alliance { kRed, kBlue, kInvalid };
virtual ~DriverStation();
static DriverStation& GetInstance();
static void ReportError(std::string error);
static void ReportWarning(std::string error);
static void ReportError(bool is_error, int code, const std::string& error,
const std::string& location,
const std::string& stack);
static const int kJoystickPorts = 6;
float GetStickAxis(int stick, int axis);
int GetStickPOV(int stick, int pov);
int GetStickButtons(int stick) const;
bool GetStickButton(int stick, int button);
int GetStickAxisCount(int stick) const;
int GetStickPOVCount(int stick) const;
int GetStickButtonCount(int stick) const;
bool GetJoystickIsXbox(int stick) const;
int GetJoystickType(int stick) const;
std::string GetJoystickName(int stick) const;
int GetJoystickAxisType(int stick, int axis) const;
bool IsEnabled() const override;
bool IsDisabled() const override;
bool IsAutonomous() const override;
bool IsOperatorControl() const override;
bool IsTest() const override;
bool IsDSAttached() const;
bool IsNewControlData() const;
bool IsFMSAttached() const;
bool IsSysActive() const;
bool IsBrownedOut() const;
Alliance GetAlliance() const;
int GetLocation() const;
void WaitForData();
double GetMatchTime() const;
float GetBatteryVoltage() const;
/** Only to be used to tell the Driver Station what code you claim to be
* executing for diagnostic purposes only
* @param entering If true, starting disabled code; if false, leaving disabled
* code */
void InDisabled(bool entering) { m_userInDisabled = entering; }
/** Only to be used to tell the Driver Station what code you claim to be
* executing for diagnostic purposes only
* @param entering If true, starting autonomous code; if false, leaving
* autonomous code */
void InAutonomous(bool entering) { m_userInAutonomous = entering; }
/** Only to be used to tell the Driver Station what code you claim to be
* executing for diagnostic purposes only
* @param entering If true, starting teleop code; if false, leaving teleop
* code */
void InOperatorControl(bool entering) { m_userInTeleop = entering; }
/** Only to be used to tell the Driver Station what code you claim to be
* executing for diagnostic purposes only
* @param entering If true, starting test code; if false, leaving test code */
void InTest(bool entering) { m_userInTest = entering; }
protected:
void GetData();
private:
DriverStation();
void ReportJoystickUnpluggedError(std::string message);
void ReportJoystickUnpluggedWarning(std::string message);
void Run();
void UpdateControlWord(bool force, HAL_ControlWord& controlWord) const;
std::unique_ptr<HAL_JoystickAxes[]> m_joystickAxes;
std::unique_ptr<HAL_JoystickPOVs[]> m_joystickPOVs;
std::unique_ptr<HAL_JoystickButtons[]> m_joystickButtons;
std::unique_ptr<HAL_JoystickDescriptor[]> m_joystickDescriptor;
// Cached Data
std::unique_ptr<HAL_JoystickAxes[]> m_joystickAxesCache;
std::unique_ptr<HAL_JoystickPOVs[]> m_joystickPOVsCache;
std::unique_ptr<HAL_JoystickButtons[]> m_joystickButtonsCache;
std::unique_ptr<HAL_JoystickDescriptor[]> m_joystickDescriptorCache;
Task m_task;
std::atomic<bool> m_isRunning{false};
mutable Semaphore m_newControlData{Semaphore::kEmpty};
bool m_updatedControlLoopData = false;
std::condition_variable_any m_waitForDataCond;
priority_mutex m_waitForDataMutex;
mutable priority_mutex m_joystickDataMutex;
bool m_userInDisabled = false;
bool m_userInAutonomous = false;
bool m_userInTeleop = false;
bool m_userInTest = false;
mutable HAL_ControlWord m_controlWordCache;
mutable std::chrono::steady_clock::time_point m_lastControlWordUpdate;
mutable priority_mutex m_controlWordMutex;
double m_nextMessageTime = 0;
};