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diff --git a/docs/ARCHITECTURE.md b/docs/ARCHITECTURE.md new file mode 100644 index 0000000..a1dc291 --- /dev/null +++ b/docs/ARCHITECTURE.md @@ -0,0 +1,40 @@ +# Architecture ยท MAX25-Stack 1.8.0 + +Main AX.25 Stack โ standalone packet-radio with HyBBX-compatible plugin boundaries. + +## Layer model matrix + +| Layer | Examples | +|-------|----------| +| Terminal | `max25-terminal`, `max25-client` | +| Daemon | `max25d` โ M25/1, plugin lifecycle | +| Operating mode | `standalone`, `service`, `hybbx-host` | +| Hardware | `tncs`, `modems`, `soft-modems` | +| Device | `tnc2c`, `max25e0`, `soft-crdop` | +| Protocol | KISS, kernel hdlcdrv, CRDOP M25 host | + +## DEV-Level matrix + +| DEV-Level | Focus | +|-----------|-------| +| DEV-Level 1 (current) | Modular TCP/IP, Linux+FreeBSD compat, `max25d0` | +| DEV-Level 2 | Main+Secondary supervision, `max25-tun` | +| DEV-Level 3 | WebSocket gateway | +| DEV-Level 4 | CRDOP expansion | +| Later | AI/assistant โ deferred | + +## Platform split matrix + +| Component | Linux | FreeBSD | +|-----------|-------|---------| +| `max25d` + RF (TNC/BayCom) | yes | scaffold | +| `max25-terminal` | yes | yes (remote) | +| CRDOP | ALSA | OSS | +| Kernel BayCom `bcsf0` | yes | no | + +## Related + +| Goal | Doc | +|------|-----| +| Platforms | [PLATFORMS.md](PLATFORMS.md) | +| v2 scope | [V2.0.0-SCOPE.md](V2.0.0-SCOPE.md) | |