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java.lang.Objectorg.ka2ddo.ax25.AX25Message
org.ka2ddo.aprs.Message
org.ka2ddo.aprs.TelemetryMessage
public class TelemetryMessage
This class contains a decoded APRS telemetry message (APRS protocol specification chapter 13).
Nested Class Summary |
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Nested classes/interfaces inherited from class org.ka2ddo.ax25.AX25Message |
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AX25Message.Precedence |
Field Summary | |
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float[] |
analogValues
A 5-element array of the 5 non-boolean analog values in the telemetry message. |
int |
bitmask
A bitmask containing the 8 boolean digits from the telemetry message. |
static int |
MIC
Constant representing the decoded representation of the "MIC" sequence "number". |
int |
sequenceNum
The extracted sequence number of the telemetry data. |
Fields inherited from class org.ka2ddo.aprs.Message |
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comment, extensions, msgType, S_PERMANENT, S_PERMANENT_UC, symbolCode, symTableId, USASCII |
Fields inherited from class org.ka2ddo.ax25.AX25Message |
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ax25Frame, invalid, ISO_8859_1, originatingCallsign, PERMANENT, rcptTime, thirdParty, timestamp, UTC, UTF8 |
Constructor Summary | |
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TelemetryMessage(byte[] body,
int offset,
java.lang.String tp,
long rcvTimestamp)
Constructor for a TelemetryMessage from an AX25Frame. |
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TelemetryMessage(PositionMessage pm,
int startPos,
int endPos)
Construct a TelemetryMessage based on Base91 Telemetry data extracted from a PositionMessage's comment, per the proposed extension documented in http://he.fi/doc/aprs-base91-comment-telemetry.txt. |
Method Summary | |
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boolean |
bodyEquals(AX25Message o)
Compare the contents of the body of the message, reporting if they match. |
java.lang.String |
getBase91Encoding()
Encode this telemetry data in the format for base-91 appending to the comment of an APRS PositionReport, per http://he.fi/doc/aprs-base91-comment-telemetry.txt. |
java.lang.String |
paramString()
Descriptive text about this message, to be included in the toString() method's response. |
Methods inherited from class org.ka2ddo.aprs.Message |
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compareTo, decodeDatestamp, decodeHurricaneParams, decodeTimestamp, decodeWeatherParams, decodeWeatherParams, dup, encodeTimestamp, extractComment, extractComment, extractSymbol, formatBody, getComment, getExtension, getExtensionString, getMsgType, getReadOnlyExtensionMap, getSymbolCode, getSymTableId, hasWeather, inferSymbol, isSymbolInferred, looksLikeLongFormatLatitude, setComment, setSymbolCode, setSymTableId, storeExtension, toString |
Methods inherited from class org.ka2ddo.ax25.AX25Message |
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equals, extractSource, getAx25Frame, getFirstDigipeat, getLastDigipeat, getOriginalDestination, getOriginalSource, getOriginatingCallsign, getPrecedence, getRcptTime, getTimestamp, hashCode, hasPosition, hasThisFirstDigi, indexOf, indexOf, isInvalid, onlyDigits, onlyDigits, onlyDigitsOrPeriod, onlyDigitsOrSpace, onlyDigitsPlus, onlyPeriods, setAx25Frame, setInvalid, setOriginatingCallsign, setRcptTime, setTimestamp, split |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static final int MIC
public int sequenceNum
public float[] analogValues
public int bitmask
Constructor Detail |
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public TelemetryMessage(byte[] body, int offset, java.lang.String tp, long rcvTimestamp)
body
- byte array containing the messageoffset
- index into the byte array where the telemetry message text startstp
- String of third-party routing data (may be null)rcvTimestamp
- time in Java milliseconds since Jan 1 1970 UTC when this message was receivedpublic TelemetryMessage(PositionMessage pm, int startPos, int endPos)
pm
- PositionMessage containing the base-91 telemetry datastartPos
- index into the PositionMessage's comment where the telemetry data starts (after the '|' character)endPos
- index into the PositionMessage's comment where the telemetry data ends (the closing '|' character)Method Detail |
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public java.lang.String paramString()
paramString
in class Message
Message.toString()
,
Message.getComment()
public java.lang.String getBase91Encoding() throws java.lang.IllegalArgumentException
java.lang.IllegalArgumentException
- if any value of telemetry message is out of range to fit in base-91 encodingpublic boolean bodyEquals(AX25Message o)
bodyEquals
in class Message
o
- another AX25Message to compare against
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