josx.platform.rcx
Class Message

java.lang.Object
  extended by josx.platform.rcx.Message
All Implemented Interfaces:
Opcode

public class Message
extends Object
implements Opcode

Message API for infra-red (IR) communication that is compatible with the SendMessage command of the LEGO firmware. It is similar to SendMessage(), Message() and ClearMessage() of NQC, but also keeps track whether a message has been received.


Field Summary
 
Fields inherited from interface josx.platform.rcx.Opcode
OPCODE_ABSOLUTE_VALUE, OPCODE_ABSOLUTE_VALUE_REPLY, OPCODE_ADD_TO_VARIABLE, OPCODE_ADD_TO_VARIABLE_REPLY, OPCODE_ALIVE, OPCODE_ALIVE_REPLY, OPCODE_AND_VARIABLE, OPCODE_AND_VARIABLE_REPLY, OPCODE_BRANCH_ALWAYS_FAR, OPCODE_BRANCH_ALWAYS_NEAR, OPCODE_CALL_SUBROUTINE, OPCODE_CLEAR_MESSAGE, OPCODE_CLEAR_SENSOR_VALUE, OPCODE_CLEAR_SENSOR_VALUE_REPLY, OPCODE_CLEAR_TIMER, OPCODE_CLEAR_TIMER_REPLY, OPCODE_DATALOG_NEXT, OPCODE_DATALOG_NEXT_REPLY, OPCODE_DECREMENT_LOOP_COUNTER_FAR, OPCODE_DECREMENT_LOOP_COUNTER_NEAR, OPCODE_DELETE_ALL_SUBROUTINES, OPCODE_DELETE_ALL_SUBROUTINES_REPLY, OPCODE_DELETE_ALL_TASKS, OPCODE_DELETE_ALL_TASKS_REPLY, OPCODE_DELETE_FIRMWARE, OPCODE_DELETE_FIRMWARE_REPLY, OPCODE_DELETE_SUBROUTINE, OPCODE_DELETE_SUBROUTINE_REPLY, OPCODE_DELETE_TASK, OPCODE_DELETE_TASK_REPLY, OPCODE_DIVIDE_VARIABLE, OPCODE_DIVIDE_VARIABLE_REPLY, OPCODE_GET_BATTERY_POWER, OPCODE_GET_BATTERY_POWER_REPLY, OPCODE_GET_MEMORY_MAP, OPCODE_GET_MEMORY_MAP_REPLY, OPCODE_GET_VALUE, OPCODE_GET_VALUE_REPLY, OPCODE_GET_VERSIONS, OPCODE_GET_VERSIONS_REPLY, OPCODE_MASK, OPCODE_MULTIPLY_VARIABLE, OPCODE_MULTIPLY_VARIABLE_REPLY, OPCODE_OR_VARIABLE, OPCODE_OR_VARIABLE_REPLY, OPCODE_PLAY_SOUND_REPLY, OPCODE_PLAY_TONE, OPCODE_PLAY_TONE_REPLY, OPCODE_POWER_OFF, OPCODE_POWER_OFF_REPLY, OPCODE_REMOTE_COMMAND, OPCODE_SEND_MESSAGE, OPCODE_SET_DATALOG_SIZE, OPCODE_SET_DATALOG_SIZE_REPLY, OPCODE_SET_DISPLAY, OPCODE_SET_DISPLAY_REPLY, OPCODE_SET_LOOP_COUNTER, OPCODE_SET_MESSAGE, OPCODE_SET_MOTOR_DIRECTION, OPCODE_SET_MOTOR_DIRECTION_REPLY, OPCODE_SET_MOTOR_ON_OFF, OPCODE_SET_MOTOR_ON_OFF_REPLY, OPCODE_SET_MOTOR_POWER, OPCODE_SET_MOTOR_POWER_REPLY, OPCODE_SET_POWER_DOWN_DELAY, OPCODE_SET_POWER_DOWN_DELAY_REPLY, OPCODE_SET_PROGRAM_NUMBER, OPCODE_SET_PROGRAM_NUMBER_REPLY, OPCODE_SET_SENSOR_MODE, OPCODE_SET_SENSOR_MODE_REPLY, OPCODE_SET_SENSOR_TYPE, OPCODE_SET_SENSOR_TYPE_REPLY, OPCODE_SET_TIME, OPCODE_SET_TIME_REPLY, OPCODE_SET_TRANSMITTER_RANGE, OPCODE_SET_TRANSMITTER_RANGE_REPLY, OPCODE_SET_VARIABLE, OPCODE_SET_VARIABLE_REPLY, OPCODE_SIGN_VARIABLE, OPCODE_SIGN_VARIABLE_REPLY, OPCODE_START_FIRMWARE_DOWNLOAD, OPCODE_START_FIRMWARE_DOWNLOAD_REPLY, OPCODE_START_SUBROUTINE_DOWNLOAD, OPCODE_START_SUBROUTINE_DOWNLOAD_REPLY, OPCODE_START_TASK, OPCODE_START_TASK_DOWNLOAD, OPCODE_START_TASK_DOWNLOAD_REPLY, OPCODE_START_TASK_REPLY, OPCODE_STOP_ALL_TASKS, OPCODE_STOP_ALL_TASKS_REPLY, OPCODE_STOP_TASK, OPCODE_STOP_TASK_REPLY, OPCODE_SUBTRACT_FROM_VARIABLE, OPCODE_SUBTRACT_FROM_VARIABLE_REPLY, OPCODE_TEST_AND_BRANCH_FAR, OPCODE_TEST_AND_BRANCH_NEAR, OPCODE_TRANSFER_DATA, OPCODE_TRANSFER_DATA_REPLY, OPCODE_UNLOCK_FIRMWARE, OPCODE_UNLOCK_FIRMWARE_REPLY, OPCODE_UPLOAD_DATALOG, OPCODE_UPLOAD_DATALOG_REPLY, OPCODE_WAIT
 
Method Summary
static void clear()
          Clear the received message
static byte get()
          Get the last received message
static boolean isAvailable()
          Return true if message is available
static void send(byte m)
          Send the byte using the SetMessage opcode
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait
 

Method Detail

send

public static void send(byte m)
Send the byte using the SetMessage opcode

Parameters:
m - the byte to send

get

public static byte get()
Get the last received message

Returns:
the last received message or 0 if none was received after startup or clear.

clear

public static void clear()
Clear the received message


isAvailable

public static boolean isAvailable()
Return true if message is available

Returns:
true if a message was received after startup or clear.