NAVE
From HackTheIBus
NAVE is the abbrevation for Navigation System Europe.
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messages from NAVE
The following NAVE messages are known:
| Code | Meaning |
|---|---|
| 0x01 | Device status request |
| 0x02 | Device status ready |
| 0x1F | UTC time and date |
| 0xA2 | Current position and Time |
| 0xA7 | TMC status request |
| 0xAB | ? |
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0xA2 Current position and Time
Byte 0 has the follwing bit definiton
| Code | meaning |
|---|---|
| 0x00 | GPS position not fixed |
| 0x01 | GPS position fixed |
Byte 1..5
Latitude Value
Byte 6..10
Longitude Value
Byte 11..12
Height above sea level in m
Byte 14..16
current UTC time
| Byte | meaning |
|---|---|
| 14 | UTC hours |
| 15 | UTC minutes |
| 14 | UTC seconds |
Example
BMBT tells radio that button "FM" has been pressed down
Current position: GPS fix; 48°34'4.4"N 10°53'18.6"E; Alt 468m; UTC 20:45:02
| TX | LL | RX | MM | Byte 0 | Byte 1 | Byte 2 | Byte 3 | Byte 4 | Byte 5 | Byte 6 | Byte 7 | Byte 8 | Byte 9 | Byte 10 | Byte 11 | Byte 12 | Byte 13 | Byte 14 | Byte 15 | Byte 16 | CS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0x7F | 0x14 | 0xC8 | 0xA2 | 0x01 | 0x00 | 0x48 | 0x34 | 0x04 | 0x40 | 0x00 | 0x10 | 0x53 | 0x18 | 0x60 | 0x04 | 0x68 | 0x00 | 0x20 | 0x45 | 0x02 | xor |
| NAVE | 0x14 | TEL | GPS fix | LAT | LAT | LAT | LAT | LAT | LON | LON | LON | LON | LON | Height | Height | 0x00 | Hour | Min | Sec | Checksum |
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