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feat: Configure default public channel with well-known secret and enhance channel message handling

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Janez T
2025-10-18 23:29:47 +02:00
parent 5315e58247
commit 596ae6c5a0
6 changed files with 97 additions and 5 deletions
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CLAUDE.md
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@@ -528,7 +528,17 @@ Packet Structure for PAYLOAD_TYPE_GRP_TXT (0x05):
- Channel 0 = "Public Channel" (default flood-mode broadcast)
- Channel 1+ = Reserved for future
- **Ephemeral** - messages NOT persisted
- Use `CMD_SEND_CHANNEL_TXT_MSG`
- Use `CMD_SEND_CHANNEL_TXT_MSG` (3)
- **⚠️ MUST be configured before use** with `CMD_SET_CHANNEL` (32)
- Format: `[cmd(1)][channel_idx(1)][name(32)][secret(16)]`
- **Default public channel secret (128-bit)**:
- Hex: `8b3387e9c5cdea6ac9e5edbaa115cd72`
- Base64: `izOH6cXN6mrJ5e26oRXNcg==`
- Source: [MeshCore FAQ](https://github.com/meshcore-dev/MeshCore/blob/main/docs/faq.md)
- **Configuration**: Most firmware versions have channel 0 pre-configured
- App attempts to configure via `CMD_SET_CHANNEL` during init
- If command times out, channel is likely pre-configured (this is normal)
- If not pre-configured, radio returns `ERR_CODE_NOT_FOUND` (2) on send attempts
**Rooms** (ADV_TYPE_ROOM contacts):
- Named contacts with public keys