diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/main/java/org/traccar/protocol/G1rusProtocolDecoder.java | 49 |
1 files changed, 39 insertions, 10 deletions
diff --git a/src/main/java/org/traccar/protocol/G1rusProtocolDecoder.java b/src/main/java/org/traccar/protocol/G1rusProtocolDecoder.java index 056fc2d4d..24bd69d45 100644 --- a/src/main/java/org/traccar/protocol/G1rusProtocolDecoder.java +++ b/src/main/java/org/traccar/protocol/G1rusProtocolDecoder.java @@ -63,6 +63,8 @@ public class G1rusProtocolDecoder extends BaseProtocolDecoder { private static final int G1RUS_GPS_VDOP_MASK = 0b01000000; private static final int G1RUS_GPS_STAT_MASK = 0b10000000; + private static final int G1RUS_ADC_DATA_MASK = 0b0000111111111111; + private static final int G1RUS_ESCAPE_CHAR = 0x1B; @@ -101,7 +103,7 @@ public class G1rusProtocolDecoder extends BaseProtocolDecoder { } - private short readUnsignedShortUnescaped(ByteBuf buf) { + private int readUnsignedShortUnescaped(ByteBuf buf) { byte[] shortBuf = new byte[2]; readBytesUnescaped(buf, shortBuf); return Shorts.fromByteArray(shortBuf); @@ -155,7 +157,7 @@ public class G1rusProtocolDecoder extends BaseProtocolDecoder { skipBytesUnescaped(buf, 1); /* Total length */ - short subMask = readUnsignedShortUnescaped(buf); + int subMask = readUnsignedShortUnescaped(buf); if ((subMask & G1RUS_GPS_SIGN_MASK) == G1RUS_GPS_SIGN_MASK) { skipBytesUnescaped(buf, 1); } @@ -192,8 +194,36 @@ public class G1rusProtocolDecoder extends BaseProtocolDecoder { } + private int getADValue(int rawValue) { + final int AD_MIN = -10; + final int AD_MAX = 100; + + return rawValue * (AD_MAX - AD_MIN) / 4096 + AD_MIN; + } + + private void decodeADCSub(ByteBuf buf, Position position) { + LOGGER.info("<ADC>"); + + skipBytesUnescaped(buf, 1); + + /* NOTE: assuming order: + * External battery voltage -> Backup battery voltage -> Device temperature voltage. + * TODO: actually check this. + */ + int externalVoltage = readUnsignedShortUnescaped(buf) & G1RUS_ADC_DATA_MASK; + LOGGER.info("External voltage: " + getADValue(externalVoltage) + "V [" + externalVoltage + "]"); + + int backupVoltage = readUnsignedShortUnescaped(buf) & G1RUS_ADC_DATA_MASK; + LOGGER.info("Backup voltage: " + getADValue(backupVoltage) + "V [" + backupVoltage + "]"); + position.set(Position.KEY_BATTERY, getADValue(backupVoltage)); + + int temperature = readUnsignedShortUnescaped(buf) & G1RUS_ADC_DATA_MASK; + LOGGER.info("Device temperature: " + getADValue(temperature) + "°C [" + temperature + "]"); + position.set(Position.KEY_DEVICE_TEMP, getADValue(temperature)); + + LOGGER.info("</ADC>"); } @@ -209,7 +239,7 @@ public class G1rusProtocolDecoder extends BaseProtocolDecoder { DeviceSession deviceSession = null; Position position = null; - short dataUploadingMask = readUnsignedShortUnescaped(buf); + int dataUploadingMask = readUnsignedShortUnescaped(buf); if ((dataUploadingMask & G1RUS_DATA_SYS_MASK) == G1RUS_DATA_SYS_MASK) { decodeSYSSub(buf); } @@ -231,12 +261,11 @@ public class G1rusProtocolDecoder extends BaseProtocolDecoder { skipBytesUnescaped(buf, readUnsignedByteUnescaped(buf)); } if ((dataUploadingMask & G1RUS_DATA_ADC_MASK) == G1RUS_DATA_ADC_MASK) { - /*if (deviceSession == null) { - return null; - }*/ - - skipBytesUnescaped(buf, readUnsignedByteUnescaped(buf)); - // decodeADCSub(buf, position); + if (deviceSession == null) { + skipBytesUnescaped(buf, readUnsignedByteUnescaped(buf)); + } else { + decodeADCSub(buf, position); + } } if ((dataUploadingMask & G1RUS_DATA_DTT_MASK) == G1RUS_DATA_DTT_MASK) { skipBytesUnescaped(buf, readUnsignedByteUnescaped(buf)); @@ -303,7 +332,7 @@ public class G1rusProtocolDecoder extends BaseProtocolDecoder { positions = new LinkedList<>(); while (buf.readableBytes() > 5) { - short subPacketLength = readUnsignedShortUnescaped(buf); + int subPacketLength = readUnsignedShortUnescaped(buf); short subPacketType = readUnsignedByteUnescaped(buf); printPacketType(subPacketType); |