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Added java joystick message spam fix (artf3836)

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Change-Id: I1e29aea00dc61574272f47fc3e1bcd98bd825d22
This commit is contained in:
Brad Miller
2014-12-03 11:02:12 -05:00
parent b1056cf6d7
commit fa229f2b13
2 changed files with 15 additions and 4 deletions
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17
wpilibj/wpilibJavaDevices/src/main/java/edu/wpi/first/wpilibj/DriverStation.java
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@@ -31,6 +31,9 @@ public class DriverStation implements RobotState.Interface {
*/
public enum Alliance { Red, Blue, Invalid }
private static final double JOYSTICK_UNPLUGGED_MESSAGE_INTERVAL = 1.0;
private double m_nextMessageTime = 0.0;
private static class DriverStationTask implements Runnable {
private DriverStation m_ds;
@@ -160,6 +163,14 @@ public class DriverStation implements RobotState.Interface {
return voltage;
}
private void reportJoystickUnpluggedError(String message) {
double currentTime = Timer.getFPGATimestamp();
if (currentTime > m_nextMessageTime) {
reportError(message, false);
m_nextMessageTime = currentTime + JOYSTICK_UNPLUGGED_MESSAGE_INTERVAL;
}
}
/**
* Get the value of the axis on a joystick.
* This depends on the mapping of the joystick connected to the specified port.
@@ -180,7 +191,7 @@ public class DriverStation implements RobotState.Interface {
short[] joystickAxes = FRCNetworkCommunicationsLibrary.HALGetJoystickAxes((byte)stick);
if (axis >= joystickAxes.length) {
reportError("WARNING: Joystick axis " + axis + " on port " + stick + " not available, check if controller is plugged in\n", false);
reportJoystickUnpluggedError("WARNING: Joystick axis " + axis + " on port " + stick + " not available, check if controller is plugged in\n");
return 0.0;
}
@@ -210,7 +221,7 @@ public class DriverStation implements RobotState.Interface {
short[] joystickPOVs = FRCNetworkCommunicationsLibrary.HALGetJoystickPOVs((byte)stick);
if (pov >= joystickPOVs.length) {
reportError("WARNING: Joystick POV " + pov + " on port " + stick + " not available, check if controller is plugged in\n", false);
reportJoystickUnpluggedError("WARNING: Joystick POV " + pov + " on port " + stick + " not available, check if controller is plugged in\n");
return 0;
}
@@ -234,7 +245,7 @@ public class DriverStation implements RobotState.Interface {
byte count = 0;
count = countBuffer.get();
if(button >= count) {
reportError("WARNING: Joystick Button " + button + " on port " + stick + " not available, check if controller is plugged in\n", false);
reportJoystickUnpluggedError("WARNING: Joystick Button " + button + " on port " + stick + " not available, check if controller is plugged in\n");
return false;
}
return ((0x1 << (button - 1)) & buttons) != 0;