This is the latest WPILib src, VisionSample2013, cRIO image, ... pulled down from firstforge.wpi.edu.
There might be risks in using the top of tree rather than an official release, but the commit messages do mention fixes for some deadlocks and race conditions.
git-svn-id: https://robotics.mvla.net/svn/frc971/2013/trunk/src@4066 f308d9b7-e957-4cde-b6ac-9a88185e7312
diff --git a/azaleasource/WPILibCProgramming/trunk/WPILib/IterativeRobot.cpp b/azaleasource/WPILibCProgramming/trunk/WPILib/IterativeRobot.cpp
new file mode 100644
index 0000000..05e0e4f
--- /dev/null
+++ b/azaleasource/WPILibCProgramming/trunk/WPILib/IterativeRobot.cpp
@@ -0,0 +1,338 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2008. 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 $(WIND_BASE)/WPILib. */
+/*----------------------------------------------------------------------------*/
+
+#include "IterativeRobot.h"
+
+#include "DriverStation.h"
+#include "NetworkCommunication/UsageReporting.h"
+#include <taskLib.h>
+#include "SmartDashboard/SmartDashboard.h"
+#include "LiveWindow/LiveWindow.h"
+#include "networktables/NetworkTable.h"
+
+const double IterativeRobot::kDefaultPeriod;
+
+/**
+ * Constructor for RobotIterativeBase
+ *
+ * The constructor initializes the instance variables for the robot to indicate
+ * the status of initialization for disabled, autonomous, teleop, and test code.
+ */
+IterativeRobot::IterativeRobot()
+ : m_disabledInitialized (false)
+ , m_autonomousInitialized (false)
+ , m_teleopInitialized (false)
+ , m_testInitialized (false)
+ , m_period (kDefaultPeriod)
+{
+ m_watchdog.SetEnabled(false);
+}
+
+/**
+ * Free the resources for a RobotIterativeBase class.
+ */
+IterativeRobot::~IterativeRobot()
+{
+}
+
+/**
+ * Set the period for the periodic functions.
+ *
+ * @param period The period of the periodic function calls. 0.0 means sync to driver station control data.
+ */
+void IterativeRobot::SetPeriod(double period)
+{
+ if (period > 0.0)
+ {
+ // Not syncing with the DS, so start the timer for the main loop
+ m_mainLoopTimer.Reset();
+ m_mainLoopTimer.Start();
+ }
+ else
+ {
+ // Syncing with the DS, don't need the timer
+ m_mainLoopTimer.Stop();
+ }
+ m_period = period;
+}
+
+/**
+ * Get the period for the periodic functions.
+ * Returns 0.0 if configured to syncronize with DS control data packets.
+ * @return Period of the periodic function calls
+ */
+double IterativeRobot::GetPeriod()
+{
+ return m_period;
+}
+
+/**
+ * Get the number of loops per second for the IterativeRobot
+ * @return Frequency of the periodic function calls
+ */
+double IterativeRobot::GetLoopsPerSec()
+{
+ // If syncing to the driver station, we don't know the rate,
+ // so guess something close.
+ if (m_period <= 0.0)
+ return 50.0;
+ return 1.0 / m_period;
+}
+
+/**
+ * Provide an alternate "main loop" via StartCompetition().
+ *
+ * This specific StartCompetition() implements "main loop" behavior like that of the FRC
+ * control system in 2008 and earlier, with a primary (slow) loop that is
+ * called periodically, and a "fast loop" (a.k.a. "spin loop") that is
+ * called as fast as possible with no delay between calls.
+ */
+void IterativeRobot::StartCompetition()
+{
+ nUsageReporting::report(nUsageReporting::kResourceType_Framework, nUsageReporting::kFramework_Iterative);
+
+ LiveWindow *lw = LiveWindow::GetInstance();
+ // first and one-time initialization
+ SmartDashboard::init();
+ NetworkTable::GetTable("LiveWindow")->GetSubTable("~STATUS~")->PutBoolean("LW Enabled", false);
+ RobotInit();
+
+ // loop forever, calling the appropriate mode-dependent function
+ lw->SetEnabled(false);
+ while (true)
+ {
+ // Call the appropriate function depending upon the current robot mode
+ if (IsDisabled())
+ {
+ // call DisabledInit() if we are now just entering disabled mode from
+ // either a different mode or from power-on
+ if(!m_disabledInitialized)
+ {
+ lw->SetEnabled(false);
+ DisabledInit();
+ m_disabledInitialized = true;
+ // reset the initialization flags for the other modes
+ m_autonomousInitialized = false;
+ m_teleopInitialized = false;
+ m_testInitialized = false;
+ }
+ if (NextPeriodReady())
+ {
+ FRC_NetworkCommunication_observeUserProgramDisabled();
+ DisabledPeriodic();
+ }
+ }
+ else if (IsAutonomous())
+ {
+ // call AutonomousInit() if we are now just entering autonomous mode from
+ // either a different mode or from power-on
+ if(!m_autonomousInitialized)
+ {
+ lw->SetEnabled(false);
+ AutonomousInit();
+ m_autonomousInitialized = true;
+ // reset the initialization flags for the other modes
+ m_disabledInitialized = false;
+ m_teleopInitialized = false;
+ m_testInitialized = false;
+ }
+ if (NextPeriodReady())
+ {
+ FRC_NetworkCommunication_observeUserProgramAutonomous();
+ AutonomousPeriodic();
+ }
+ }
+ else if (IsTest())
+ {
+ // call TestInit() if we are now just entering test mode from
+ // either a different mode or from power-on
+ if(!m_testInitialized)
+ {
+ lw->SetEnabled(true);
+ TestInit();
+ m_testInitialized = true;
+ // reset the initialization flags for the other modes
+ m_disabledInitialized = false;
+ m_autonomousInitialized = false;
+ m_teleopInitialized = false;
+ }
+ if (NextPeriodReady())
+ {
+ FRC_NetworkCommunication_observeUserProgramTest();
+ TestPeriodic();
+ }
+ }
+ else
+ {
+ // call TeleopInit() if we are now just entering teleop mode from
+ // either a different mode or from power-on
+ if(!m_teleopInitialized)
+ {
+ lw->SetEnabled(false);
+ TeleopInit();
+ m_teleopInitialized = true;
+ // reset the initialization flags for the other modes
+ m_disabledInitialized = false;
+ m_autonomousInitialized = false;
+ m_testInitialized = false;
+ Scheduler::GetInstance()->SetEnabled(true);
+ }
+ if (NextPeriodReady())
+ {
+ FRC_NetworkCommunication_observeUserProgramTeleop();
+ TeleopPeriodic();
+ }
+ }
+ // wait for driver station data so the loop doesn't hog the CPU
+ m_ds->WaitForData();
+ }
+}
+
+/**
+ * Determine if the periodic functions should be called.
+ *
+ * If m_period > 0.0, call the periodic function every m_period as compared
+ * to Timer.Get(). If m_period == 0.0, call the periodic functions whenever
+ * a packet is received from the Driver Station, or about every 20ms.
+ *
+ * @todo Decide what this should do if it slips more than one cycle.
+ */
+
+bool IterativeRobot::NextPeriodReady()
+{
+ if (m_period > 0.0)
+ {
+ return m_mainLoopTimer.HasPeriodPassed(m_period);
+ }
+ else
+ {
+ return m_ds->IsNewControlData();
+ }
+}
+
+/**
+ * Robot-wide initialization code should go here.
+ *
+ * Users should override this method for default Robot-wide initialization which will
+ * be called when the robot is first powered on. It will be called exactly 1 time.
+ */
+void IterativeRobot::RobotInit()
+{
+ printf("Default %s() method... Overload me!\n", __FUNCTION__);
+}
+
+/**
+ * Initialization code for disabled mode should go here.
+ *
+ * Users should override this method for initialization code which will be called each time
+ * the robot enters disabled mode.
+ */
+void IterativeRobot::DisabledInit()
+{
+ printf("Default %s() method... Overload me!\n", __FUNCTION__);
+}
+
+/**
+ * Initialization code for autonomous mode should go here.
+ *
+ * Users should override this method for initialization code which will be called each time
+ * the robot enters autonomous mode.
+ */
+void IterativeRobot::AutonomousInit()
+{
+ printf("Default %s() method... Overload me!\n", __FUNCTION__);
+}
+
+/**
+ * Initialization code for teleop mode should go here.
+ *
+ * Users should override this method for initialization code which will be called each time
+ * the robot enters teleop mode.
+ */
+void IterativeRobot::TeleopInit()
+{
+ printf("Default %s() method... Overload me!\n", __FUNCTION__);
+}
+
+/**
+ * Initialization code for test mode should go here.
+ *
+ * Users should override this method for initialization code which will be called each time
+ * the robot enters test mode.
+ */
+void IterativeRobot::TestInit()
+{
+ printf("Default %s() method... Overload me!\n", __FUNCTION__);
+}
+
+/**
+ * Periodic code for disabled mode should go here.
+ *
+ * Users should override this method for code which will be called periodically at a regular
+ * rate while the robot is in disabled mode.
+ */
+void IterativeRobot::DisabledPeriodic()
+{
+ static bool firstRun = true;
+ if (firstRun)
+ {
+ printf("Default %s() method... Overload me!\n", __FUNCTION__);
+ firstRun = false;
+ }
+ taskDelay(1);
+}
+
+/**
+ * Periodic code for autonomous mode should go here.
+ *
+ * Users should override this method for code which will be called periodically at a regular
+ * rate while the robot is in autonomous mode.
+ */
+void IterativeRobot::AutonomousPeriodic()
+{
+ static bool firstRun = true;
+ if (firstRun)
+ {
+ printf("Default %s() method... Overload me!\n", __FUNCTION__);
+ firstRun = false;
+ }
+ taskDelay(1);
+}
+
+/**
+ * Periodic code for teleop mode should go here.
+ *
+ * Users should override this method for code which will be called periodically at a regular
+ * rate while the robot is in teleop mode.
+ */
+void IterativeRobot::TeleopPeriodic()
+{
+ static bool firstRun = true;
+ if (firstRun)
+ {
+ printf("Default %s() method... Overload me!\n", __FUNCTION__);
+ firstRun = false;
+ }
+ taskDelay(1);
+}
+
+/**
+ * Periodic code for test mode should go here.
+ *
+ * Users should override this method for code which will be called periodically at a regular
+ * rate while the robot is in test mode.
+ */
+void IterativeRobot::TestPeriodic()
+{
+ static bool firstRun = true;
+ if (firstRun)
+ {
+ printf("Default %s() method... Overload me!\n", __FUNCTION__);
+ firstRun = false;
+ }
+ taskDelay(1);
+}
+