NETIO UDP Discover
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NETIO Discover uses UDP broadcast transmission.
Send Discover message:
Destination: Broadcast (eg. 255.255.255.0)
Protocol: UDP
Destination Port: 4000
Data(HEX): 504345646974020000000000000000000000000000000000000200000000000000000200000000000000000000000000000000000000000000000000000000
Receive Discover response:
NETIO devices response with UDP broadcast message with destination port 4000. So listen on port 4000 and parse messages according to table below. Data are sent as datastream with flags inside. If you pass the end of known field types, ignore rest of data in datastream.
Listen protocol: UDP
Listen on port: 4000
Data(HEX):
| Format: | 0x02 | 0xXX | 0xXX | F_TYPE | F_LENGTH | B0 | B1 | B2 | B3 | F_TYPE | F_LENGTH | B0 | B1 | B2 | B3 | B4 | B5 | F_TYPE | F_LENGTH ... |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Example: | 0x02 | 0xAB | 0x6B | 0x03 | 0x04 | 0xC0 | 0xA8 | 0x65 | 0x23 | 0x09 | 0x06 | 0x4E | 0x65 | 0x74 | 0x69 | 0x6f | 0x34 | ... | ... |
| Meaning: | Response | - | - | IP | 4 bytes | 192 | 168 | 101 | 35 | PRODUCT | 6 bytes | N | e | t | i | o | 4 | ... | ... |
Field types:
| F_TYPE code | Description | Data Interpretation | Data Length |
|---|---|---|---|
| 0x01 | FIRMWARE_VERSION | ASCII | variable |
| 0x02 | MAC | INT | 6 |
| 0x03 | IP | INT | 4 |
| 0x04 | NETMASK | INT | 4 |
| 0x05 | HOSTNAME | ASCII | variable |
| 0x06 | DHCP | INT | 1 |
| 0x07 | SETUP STATE | INT | 1 |
| 0x08 | RESULT | INT | 1 |
| 0x09 | PRODUCT | ASCII | variable |
| 0x0A | MANUFACTURER | ASCII | variable |
| 0x0B | PLATFORM | ASCII | variable |
| 0x0C | VARIANT | ASCII | variable |
| 0x0D | TIMEOUT | INT | 1 |
| 0x0E | GATEWAY | INT | 4 |
| 0x0F | DNS | INT | 4 |
| 0x12 | PRETTY_PLATFORM_NAME | ASCII | variable |
| 0x13 | DEVICE NAME | ASCII | variable |
