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Phase accel ESP-NOW TX into 1 ms slots from Discover sync.

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Master broadcasts master_time_us; slaves schedule sends at
offset_ms=(assigned_id-1)%8 so concurrent streams collide less.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
skruecken
2026-11-01 22:35:47 +01:00
co-authored by Cursor
parent 1adaddd6c8
commit c3b20887bf
6 changed files with 122 additions and 19 deletions
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main/README.md
+2 -2
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@@ -116,7 +116,7 @@ Schema: `proto/esp_now_messages.proto`. Encode/decode: `esp_now_proto.c`. The ES
| `EspNowMessageType` | Direction | `oneof` payload |
|---------------------|-----------|-----------------|
| `ESPNOW_DISCOVER` | Master → broadcast `FF:FF:FF:FF:FF:FF` | `EspNowDiscover` (`network`) |
| `ESPNOW_DISCOVER` | Master → broadcast `FF:FF:FF:FF:FF:FF` | `EspNowDiscover` (`network`, `master_time_us` for accel TX slot sync) |
| `ESPNOW_SLAVE_INFO` | Slave → master | `EspNowSlavePresence` |
| `ESPNOW_HEARTBEAT` | Slave → master | `EspNowSlavePresence` (same fields) |
| `ESPNOW_SET_ACCEL_DEADZONE` | Master → slave | `EspNowAccelDeadzone` (`deadzone` LSB) |
@@ -124,7 +124,7 @@ Schema: `proto/esp_now_messages.proto`. Encode/decode: `esp_now_proto.c`. The ES
| `ESPNOW_UNICAST_TEST` | Master → slave | `EspNowUnicastTest` (`seq`) |
| `ESPNOW_FIND_ME` | Master → slave | `EspNowFindMe` (`client_id` filter) — LED locate sequence |
| `ESPNOW_RESTART` | Master → slave | `EspNowRestart` (`client_id` filter) — reboot slave |
| `ESPNOW_ACCEL_SAMPLE` | Slave → master | `EspNowAccelSample` (`slave_id`, `x`, `y`, `z` raw LSB) — ~every 10 ms; TX path via `INPUT_SEND_MODE` (default best-effort) |
| `ESPNOW_ACCEL_SAMPLE` | Slave → master | `EspNowAccelSample` (`slave_id`, `x`, `y`, `z` raw LSB) — ~every 10 ms in 1 ms slots `offset_ms=(id-1)%8` via Discover sync; TX path via `INPUT_SEND_MODE` |
| `ESPNOW_SET_INPUT_SEND_MODE` | Master → slave | `EspNowInputSendMode` (`mode` 0..3 = best_effort/fast/wait/reliable) |
| `ESPNOW_SET_TAP_NOTIFY` | Master → slave | `EspNowTapNotify` (`client_id`, `single`, `double_tap`, `triple`) — which tap kinds to forward |
| `ESPNOW_TAP_EVENT` | Slave → master | `EspNowTapEvent` (`client_id`, `kind`) — on BMA456 tap interrupt if notify enabled |