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Add UART LED_RING command for progress bar, digits, and clear.

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Stop the main-loop digit demo so host-driven display persists; expose
clear/progress/digit modes with RGB and intensity via protobuf and goTool.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
skruecken
2026-05-19 21:18:18 +02:00
co-authored by Cursor
parent a0f4a81a55
commit 508b684fdf
16 changed files with 649 additions and 66 deletions
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main/README.md
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@@ -202,6 +202,8 @@ Host and master speak nanopb-encoded `UartMessage` inside UART frames (byte 0 =
| 4 | `CLIENT_INFO` | Implemented (`cmd_client_info.c`) — slave list from registry |
| 5 | `CLIENT_INPUT` | Planned |
| 6 | `ACCEL_DEADZONE` | Implemented (`cmd_accel_deadzone.c`) — get/set accel filter LSB |
| 7 | `ESPNOW_UNICAST_TEST` | Implemented (`cmd_espnow_unicast_test.c`) |
| 8 | `LED_RING` | Implemented (`cmd_led_ring.c`) — ring progress bar (0–100 %, RGB, intensity) |
| 16 | `OTA_START` | Implemented (`cmd_ota.c`) — begin UART OTA on inactive slot |
| 17 | `OTA_PAYLOAD` | Implemented — up to 200 B per frame; device buffers 4 KiB |
| 18 | `OTA_END` | Implemented — flush, `esp_ota_end`, push image to slaves via ESP-NOW, set boot |
@@ -309,6 +311,28 @@ Minimal master→slave ESP-NOW unicast check (no BMA456). Use this before debugg
**Firmware logs:** master `unicast TEST to … seq=N`; slave `UNICAST TEST OK from master … seq=N`.
### LED_RING command
Control the 95-LED ring from the host. The firmware **does not** animate digits locally; only UART updates the display.
**Request:** framed `08` + `led_ring_progress_request`:
| Field | Meaning |
|-------|---------|
| `mode` | `0` = clear, `1` = progress bar, `2` = digit |
| `progress` | 0–100 (% of ring lit, mode `1`) |
| `digit` | 0–10 (mode `2`, same segment maps as built-in digits) |
| `r`, `g`, `b` | Color 0–255 |
| `intensity` | Brightness 0–255 (scaled into RGB; `0` → 255) |
**Response:** `led_ring_progress_response` (`success`, `mode`, `progress`, `digit`).
```bash
go run . -port /dev/ttyUSB0 led-ring -mode progress -progress 75 -g 80 -b 255
go run . -port /dev/ttyUSB0 led-ring -mode digit -digit 7 -r 255 -g 200
go run . -port /dev/ttyUSB0 led-ring -mode clear
```
### CLIENT_INFO command
**Request:** framed payload `04` only (`MessageType.CLIENT_INFO`).
@@ -393,7 +417,8 @@ Target: ESP32-S3. Close serial monitor on the UART adapter port before running `
| `client_registry.c/h` | Registered slave table |
| `bosch456.c/h` | BMA456H I2C driver, accel poll, tap INT, deadzone filter |
| `board_input.c/h` | Taster GPIO12, LiPo ADC on GPIO1 / GPIO12 |
| `led_ring.c/h` | LED digit display |
| `led_ring.c/h` | LED ring (digit display, progress bar) |
| `cmd_led_ring.c` | UART `LED_RING` progress command |
| `proto/uart_messages.proto` | UART protocol schema |
| `proto/esp_now_messages.proto` | ESP-NOW protocol schema |
| `esp_now_proto.c/h` | Encode/decode `EspNowMessage` |