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Minor documentation fix for Advert packet type #2358

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Minor documentation fix for Advert packet type #2358

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Update payloads.md
msmuenchen Apr 21, 2026
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msmuenchen Apr 21, 2026
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37 changes: 19 additions & 18 deletions docs/payloads.md
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Expand Up @@ -35,27 +35,28 @@ This kind of payload notifies receivers that a node exists, and gives informatio

Appdata

| Field | Size (bytes) | Description |
|---------------|-----------------|-------------------------------------------------------|
| flags | 1 | specifies which of the fields are present, see below |
| latitude | 4 (optional) | decimal latitude multiplied by 1000000, integer |
| longitude | 4 (optional) | decimal longitude multiplied by 1000000, integer |
| feature 1 | 2 (optional) | reserved for future use |
| feature 2 | 2 (optional) | reserved for future use |
| name | rest of appdata | name of the node |
| Field | Size (bytes) | Description |
|---------------|-----------------|------------------------------------------------------------|
| flags | 1 | specifies which of the fields are present, see below |
| latitude | 4 (optional) | decimal latitude multiplied by 1000000, integer |
| longitude | 4 (optional) | decimal longitude multiplied by 1000000, integer |
| feature 1 | 2 (optional) | reserved for future use |
| feature 2 | 2 (optional) | reserved for future use |
| name | 0-32 | name of the node (capped at 32 bytes/MAX_ADVERT_DATA_SIZE) |

Appdata Flags

| Value | Name | Description |
|--------|----------------|---------------------------------------|
| `0x01` | is chat node | advert is for a chat node |
| `0x02` | is repeater | advert is for a repeater |
| `0x03` | is room server | advert is for a room server |
| `0x04` | is sensor | advert is for a sensor server |
| `0x10` | has location | appdata contains lat/long information |
| `0x20` | has feature 1 | Reserved for future use. |
| `0x40` | has feature 2 | Reserved for future use. |
| `0x80` | has name | appdata contains a node name |
| Value | Name | Description |
|--------|----------------|----------------------------------------|
| `0x00` | no node type | advert is for an unspecified node type |
| `0x01` | is chat node | advert is for a chat node |
| `0x02` | is repeater | advert is for a repeater |
| `0x03` | is room server | advert is for a room server |
| `0x04` | is sensor | advert is for a sensor server |
| `0x10` | has location | appdata contains lat/long information |
| `0x20` | has feature 1 | Reserved for future use. |
| `0x40` | has feature 2 | Reserved for future use. |
| `0x80` | has name | appdata contains a node name |

# Acknowledgement

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