AI2 Component  (Version nb184)
com.google.appinventor.components.runtime.Ev3Motors Class Reference
Inheritance diagram for com.google.appinventor.components.runtime.Ev3Motors:
com.google.appinventor.components.runtime.LegoMindstormsEv3Base com.google.appinventor.components.runtime.AndroidNonvisibleComponent com.google.appinventor.components.runtime.Component com.google.appinventor.components.runtime.Deleteable com.google.appinventor.components.runtime.Component

Public Member Functions

 Ev3Motors (ComponentContainer container)
 
String MotorPorts ()
 
void MotorPorts (String motorPortLetters)
 
void WheelDiameter (double diameter)
 
double WheelDiameter ()
 
void ReverseDirection (boolean reversed)
 
boolean ReverseDirection ()
 
void EnableSpeedRegulation (boolean enabled)
 
boolean EnableSpeedRegulation ()
 
boolean StopBeforeDisconnect ()
 
void StopBeforeDisconnect (boolean stopBeforeDisconnect)
 
boolean TachoCountChangedEventEnabled ()
 
void TachoCountChangedEventEnabled (boolean enabled)
 
void RotateIndefinitely (int power)
 
void RotateInTachoCounts (int power, int tachoCounts, boolean useBrake)
 
void RotateInDuration (int power, int milliseconds, boolean useBrake)
 
void RotateInDistance (int power, double distance, boolean useBrake)
 
void RotateSyncIndefinitely (int power, int turnRatio)
 
void RotateSyncInDistance (int power, int distance, int turnRatio, boolean useBrake)
 
void RotateSyncInDuration (int power, int milliseconds, int turnRatio, boolean useBrake)
 
void RotateSyncInTachoCounts (int power, int tachoCounts, int turnRatio, boolean useBrake)
 
void Stop (boolean useBrake)
 
void ToggleDirection ()
 
void ResetTachoCount ()
 
int GetTachoCount ()
 
void TachoCountChanged (int tachoCount)
 
void beforeDisconnect (BluetoothConnectionBase bluetoothConnection)
 
- Public Member Functions inherited from com.google.appinventor.components.runtime.LegoMindstormsEv3Base
BluetoothClient BluetoothClient ()
 
void BluetoothClient (BluetoothClient bluetoothClient)
 
void afterConnect (BluetoothConnectionBase bluetoothConnection)
 
void onDelete ()
 
- Public Member Functions inherited from com.google.appinventor.components.runtime.AndroidNonvisibleComponent
HandlesEventDispatching getDispatchDelegate ()
 

Additional Inherited Members

- Static Public Attributes inherited from com.google.appinventor.components.runtime.Component
static final String ASSET_DIRECTORY = "component"
 
static final int ALIGNMENT_NORMAL = 0
 
static final int ALIGNMENT_CENTER = 1
 
static final int ALIGNMENT_OPPOSITE = 2
 
static final int ACCELEROMETER_SENSITIVITY_WEAK = 1
 
static final int ACCELEROMETER_SENSITIVITY_MODERATE = 2
 
static final int ACCELEROMETER_SENSITIVITY_STRONG = 3
 
static final int BUTTON_SHAPE_DEFAULT = 0
 
static final int BUTTON_SHAPE_ROUNDED = 1
 
static final int BUTTON_SHAPE_RECT = 2
 
static final int BUTTON_SHAPE_OVAL = 3
 
static final int COLOR_NONE = 0x00FFFFFF
 
static final int COLOR_BLACK = 0xFF000000
 
static final int COLOR_BLUE = 0xFF0000FF
 
static final int COLOR_CYAN = 0xFF00FFFF
 
static final int COLOR_DKGRAY = 0xFF444444
 
static final int COLOR_GRAY = 0xFF888888
 
static final int COLOR_GREEN = 0xFF00FF00
 
static final int COLOR_LTGRAY = 0xFFCCCCCC
 
static final int COLOR_MAGENTA = 0xFFFF00FF
 
static final int COLOR_ORANGE = 0xFFFFC800
 
static final int COLOR_PINK = 0xFFFFAFAF
 
static final int COLOR_RED = 0xFFFF0000
 
static final int COLOR_WHITE = 0xFFFFFFFF
 
static final int COLOR_YELLOW = 0xFFFFFF00
 
static final int COLOR_DEFAULT = 0x00000000
 
static final String DEFAULT_VALUE_COLOR_NONE = "&H00FFFFFF"
 
static final String DEFAULT_VALUE_COLOR_BLACK = "&HFF000000"
 
static final String DEFAULT_VALUE_COLOR_BLUE = "&HFF0000FF"
 
static final String DEFAULT_VALUE_COLOR_CYAN = "&HFF00FFFF"
 
static final String DEFAULT_VALUE_COLOR_DKGRAY = "&HFF444444"
 
static final String DEFAULT_VALUE_COLOR_GRAY = "&HFF888888"
 
static final String DEFAULT_VALUE_COLOR_GREEN = "&HFF00FF00"
 
static final String DEFAULT_VALUE_COLOR_LTGRAY = "&HFFCCCCCC"
 
static final String DEFAULT_VALUE_COLOR_MAGENTA = "&HFFFF00FF"
 
static final String DEFAULT_VALUE_COLOR_ORANGE = "&HFFFFC800"
 
static final String DEFAULT_VALUE_COLOR_PINK = "&HFFFFAFAF"
 
static final String DEFAULT_VALUE_COLOR_RED = "&HFFFF0000"
 
static final String DEFAULT_VALUE_COLOR_WHITE = "&HFFFFFFFF"
 
static final String DEFAULT_VALUE_COLOR_YELLOW = "&HFFFFFF00"
 
static final String DEFAULT_VALUE_COLOR_DEFAULT = "&H00000000"
 
static final float FONT_DEFAULT_SIZE = 14
 
static final int LAYOUT_ORIENTATION_HORIZONTAL = ComponentConstants.LAYOUT_ORIENTATION_HORIZONTAL
 
static final int LAYOUT_ORIENTATION_VERTICAL = ComponentConstants.LAYOUT_ORIENTATION_VERTICAL
 
static final int SCALING_SCALE_PROPORTIONALLY = 0
 
static final int SCALING_SCALE_TO_FIT = 1
 
static final int TYPEFACE_DEFAULT = 0
 
static final int TYPEFACE_SANSSERIF = 1
 
static final int TYPEFACE_SERIF = 2
 
static final int TYPEFACE_MONOSPACE = 3
 
static final int LENGTH_PREFERRED = -1
 
static final int LENGTH_FILL_PARENT = -2
 
static final int LENGTH_UNKNOWN = -3
 
static final int LENGTH_PERCENT_TAG = -1000
 
static final int TOAST_LENGTH_SHORT = 0
 
static final int TOAST_LENGTH_LONG = 1
 
static final int DIRECTION_NORTH = 1
 
static final int DIRECTION_NORTHEAST = 2
 
static final int DIRECTION_EAST = 3
 
static final int DIRECTION_SOUTHEAST = 4
 
static final int DIRECTION_SOUTH = -1
 
static final int DIRECTION_SOUTHWEST = -2
 
static final int DIRECTION_WEST = -3
 
static final int DIRECTION_NORTHWEST = -4
 
static final int DIRECTION_NONE = 0
 
static final int DIRECTION_MIN = -4
 
static final int DIRECTION_MAX = 4
 
static float SLIDER_MIN_VALUE = 10
 
static float SLIDER_MAX_VALUE = 50
 
static float SLIDER_THUMB_VALUE = (SLIDER_MIN_VALUE + SLIDER_MAX_VALUE) / 2.0f
 
static final String DEFAULT_VALUE_TEXT_TO_SPEECH_COUNTRY = ""
 
static final String DEFAULT_VALUE_TEXT_TO_SPEECH_LANGUAGE = ""
 
- Protected Member Functions inherited from com.google.appinventor.components.runtime.LegoMindstormsEv3Base
 LegoMindstormsEv3Base (ComponentContainer container, String logTag)
 
 LegoMindstormsEv3Base ()
 
final boolean isBluetoothConnected (String functionName)
 
final byte[] sendCommand (String functionName, byte[] command, boolean doReceiveReply)
 
final int sensorPortLetterToPortNumber (String letter)
 
final String portNumberToSensorPortLetter (int portNumber)
 
final int motorPortLettersToBitField (String letters)
 
final String bitFieldToMotorPortLetters (int bitField)
 
- Protected Member Functions inherited from com.google.appinventor.components.runtime.AndroidNonvisibleComponent
 AndroidNonvisibleComponent (Form form)
 
- Protected Attributes inherited from com.google.appinventor.components.runtime.LegoMindstormsEv3Base
int commandCount
 
final String logTag
 
BluetoothClient bluetooth
 
- Protected Attributes inherited from com.google.appinventor.components.runtime.AndroidNonvisibleComponent
final Form form
 

Detailed Description

EV3 component icon

A component that provides both high- and low-level interfaces to control the motors on LEGO MINDSTORMS EV3.

Author
jerry.nosp@m.7320.nosp@m.4@gma.nosp@m.il.c.nosp@m.om (jerry73204)
spade.nosp@m.d065.nosp@m.43@gm.nosp@m.ail..nosp@m.com (Alvin Chang)

Definition at line 39 of file Ev3Motors.java.

Constructor & Destructor Documentation

◆ Ev3Motors()

com.google.appinventor.components.runtime.Ev3Motors.Ev3Motors ( ComponentContainer  container)

Creates a new Ev3Motors component.

Definition at line 58 of file Ev3Motors.java.

Member Function Documentation

◆ beforeDisconnect()

void com.google.appinventor.components.runtime.Ev3Motors.beforeDisconnect ( BluetoothConnectionBase  bluetoothConnection)

◆ EnableSpeedRegulation() [1/2]

boolean com.google.appinventor.components.runtime.Ev3Motors.EnableSpeedRegulation ( )

Returns whether to keep motor rotation at constant speed.

Definition at line 177 of file Ev3Motors.java.

◆ EnableSpeedRegulation() [2/2]

void com.google.appinventor.components.runtime.Ev3Motors.EnableSpeedRegulation ( boolean  enabled)

Specifies whether to keep motor rotation at constant speed.

Definition at line 168 of file Ev3Motors.java.

◆ GetTachoCount()

int com.google.appinventor.components.runtime.Ev3Motors.GetTachoCount ( )

Get the current tacho count.

Definition at line 418 of file Ev3Motors.java.

◆ MotorPorts() [1/2]

String com.google.appinventor.components.runtime.Ev3Motors.MotorPorts ( )

Returns the motor port.

Definition at line 98 of file Ev3Motors.java.

◆ MotorPorts() [2/2]

void com.google.appinventor.components.runtime.Ev3Motors.MotorPorts ( String  motorPortLetters)

Specifies the motor port.

Definition at line 108 of file Ev3Motors.java.

◆ ResetTachoCount()

void com.google.appinventor.components.runtime.Ev3Motors.ResetTachoCount ( )

Set the current tacho count to zero.

Definition at line 405 of file Ev3Motors.java.

◆ ReverseDirection() [1/2]

boolean com.google.appinventor.components.runtime.Ev3Motors.ReverseDirection ( )

Returns if the direction of the motors is reversed.

Definition at line 158 of file Ev3Motors.java.

◆ ReverseDirection() [2/2]

void com.google.appinventor.components.runtime.Ev3Motors.ReverseDirection ( boolean  reversed)

Set whether the direction of motors is reversed or not.

Definition at line 143 of file Ev3Motors.java.

◆ RotateIndefinitely()

void com.google.appinventor.components.runtime.Ev3Motors.RotateIndefinitely ( int  power)

Start to rotate the motors.

Definition at line 225 of file Ev3Motors.java.

◆ RotateInDistance()

void com.google.appinventor.components.runtime.Ev3Motors.RotateInDistance ( int  power,
double  distance,
boolean  useBrake 
)

Rotate the motors in a distance.

Definition at line 275 of file Ev3Motors.java.

◆ RotateInDuration()

void com.google.appinventor.components.runtime.Ev3Motors.RotateInDuration ( int  power,
int  milliseconds,
boolean  useBrake 
)

Rotate the motors in a period of time.

Definition at line 259 of file Ev3Motors.java.

◆ RotateInTachoCounts()

void com.google.appinventor.components.runtime.Ev3Motors.RotateInTachoCounts ( int  power,
int  tachoCounts,
boolean  useBrake 
)

Rotate the motors in a number of tacho counts.

Definition at line 243 of file Ev3Motors.java.

◆ RotateSyncIndefinitely()

void com.google.appinventor.components.runtime.Ev3Motors.RotateSyncIndefinitely ( int  power,
int  turnRatio 
)

Start to rotate the motors at the same speed.

Definition at line 293 of file Ev3Motors.java.

◆ RotateSyncInDistance()

void com.google.appinventor.components.runtime.Ev3Motors.RotateSyncInDistance ( int  power,
int  distance,
int  turnRatio,
boolean  useBrake 
)

Rotate the motors at the same speed for a distance in cm.

Definition at line 314 of file Ev3Motors.java.

◆ RotateSyncInDuration()

void com.google.appinventor.components.runtime.Ev3Motors.RotateSyncInDuration ( int  power,
int  milliseconds,
int  turnRatio,
boolean  useBrake 
)

Rotate the motors at the same speed in a period of time.

Definition at line 336 of file Ev3Motors.java.

◆ RotateSyncInTachoCounts()

void com.google.appinventor.components.runtime.Ev3Motors.RotateSyncInTachoCounts ( int  power,
int  tachoCounts,
int  turnRatio,
boolean  useBrake 
)

Rotate the motors at the same speed in a number of tacho counts.

Definition at line 357 of file Ev3Motors.java.

◆ Stop()

void com.google.appinventor.components.runtime.Ev3Motors.Stop ( boolean  useBrake)

Stop the motors of the robot.

Definition at line 378 of file Ev3Motors.java.

◆ StopBeforeDisconnect() [1/2]

boolean com.google.appinventor.components.runtime.Ev3Motors.StopBeforeDisconnect ( )

Returns whether to stop the motor before disconnecting.

Definition at line 186 of file Ev3Motors.java.

◆ StopBeforeDisconnect() [2/2]

void com.google.appinventor.components.runtime.Ev3Motors.StopBeforeDisconnect ( boolean  stopBeforeDisconnect)

Specifies whether to stop the drive motors before disconnecting.

Parameters
stopBeforeDisconnectwhether to stop the motors before disconnecting

Definition at line 198 of file Ev3Motors.java.

◆ TachoCountChanged()

void com.google.appinventor.components.runtime.Ev3Motors.TachoCountChanged ( int  tachoCount)

Called when the tacho count has changed.

Definition at line 432 of file Ev3Motors.java.

◆ TachoCountChangedEventEnabled() [1/2]

boolean com.google.appinventor.components.runtime.Ev3Motors.TachoCountChangedEventEnabled ( )

Returns whether the TachoCountChanged event should fire when the motor angle is increaing.

Definition at line 207 of file Ev3Motors.java.

◆ TachoCountChangedEventEnabled() [2/2]

void com.google.appinventor.components.runtime.Ev3Motors.TachoCountChangedEventEnabled ( boolean  enabled)

Returns whether the TachoCountChanged event should fire when the motor angle is increaing.

Definition at line 217 of file Ev3Motors.java.

◆ ToggleDirection()

void com.google.appinventor.components.runtime.Ev3Motors.ToggleDirection ( )

Toggle the direction of motors.

Definition at line 391 of file Ev3Motors.java.

◆ WheelDiameter() [1/2]

double com.google.appinventor.components.runtime.Ev3Motors.WheelDiameter ( )

Returns the diameter of the wheels attached on motors.

Definition at line 133 of file Ev3Motors.java.

◆ WheelDiameter() [2/2]

void com.google.appinventor.components.runtime.Ev3Motors.WheelDiameter ( double  diameter)

Specifies the diameter of the wheels attached on motors.

Definition at line 123 of file Ev3Motors.java.


The documentation for this class was generated from the following file: