C3MA/DD3-LoRa-Bridge-MultiSender
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Author SHA1 Message Date
acidburns
ee849433c8 Refresh README and add firmware requirements for Rust port 2026-02-16 14:38:50 +01:00
acidburns
6ea8d9d5fc Use configured local timezone in web UI and drop legacy history CSV parsing 2026-02-16 11:14:30 +01:00
acidburns
4de1dda82b Add human-readable UTC time alongside epoch in web UI and CSV 2026-02-16 08:57:16 +01:00
acidburns
0a2e4e5a68 docs: update README to current lora-refactor state 2026-02-13 23:57:34 +01:00
acidburns
5e27e2e7e8 Add meter Sekundenindex anchoring for epoch timestamps 
Parse 0-0:96.8.0*255 meter seconds, derive sample epoch from anchored offset, and detect meter-time jumps via monotonic/delta checks.
 2026-02-13 23:57:34 +01:00
acidburns
c58e1627f4 Switch LoRa batch payload to present-mask schema v3 
BREAKING CHANGE: schema v2 is no longer supported.

Replaces fixed dt_s timing with a 30-bit present_mask while keeping MQTT JSON unchanged.
 2026-02-13 23:57:34 +01:00
acidburns
7ad0a16a8d Improve meter ingestion resilience under UART gaps 2026-02-13 23:57:34 +01:00
acidburns
78a880e56f Track receiver duplicate batches in web and OLED 2026-02-13 23:57:34 +01:00
acidburns
1981a91415 Remove legacy state JSON size cutoff and raise doc capacity 2026-02-13 23:57:34 +01:00
acidburns
9f5ad5f47e Backfill missed sender sample intervals to keep dt_s consistent 2026-02-13 23:57:34 +01:00
acidburns
f65a6d28d9 Remove auto-reboot and make timezone configurable 2026-02-13 23:57:34 +01:00
acidburns
32851ea61b Decouple sender meter reads and harden meter RX robustness 2026-02-13 23:57:34 +01:00
acidburns
e569c8d627 Add web last-update timestamp and debug auto-reboot 2026-02-13 23:57:34 +01:00
acidburns
3951183954 Fix sender stale sample reuse and add append helper 2026-02-13 23:57:34 +01:00
acidburns
1769949dc8 docs: refresh README for lora-refactor behavior 2026-02-13 23:57:34 +01:00
acidburns
db18c549ea Reset RX signal state at start of each receive window 2026-02-13 23:57:34 +01:00
acidburns
bd3f89a374 Drain oversized LoRa packets to prevent RX FIFO corruption 2026-02-13 23:57:34 +01:00
acidburns
194c8a40cc Add detailed sender ACK RX diagnostics with reject context 2026-02-13 23:57:34 +01:00
acidburns
780cf8dc97 Use protocol constants for ACK airtime window sizing 2026-02-13 23:57:34 +01:00
acidburns
b056b2035a Document minimal batch/ack protocol and timestamp safety rules 2026-02-13 23:57:34 +01:00
acidburns
a279c219ae Refactor LoRa protocol to batch+ack with ACK-based time bootstrap 2026-02-13 23:57:34 +01:00
acidburns
5ad5d3a0cc Normalize power/energy output formatting 2026-02-13 23:57:34 +01:00
acidburns
43c572a111 Scale ACK RX window to LoRa airtime 
- Compute ACK receive window from airtime with bounds and margin
- Retry once if initial window misses
- Document ACK window sizing
 2026-02-13 23:57:34 +01:00
acidburns
06847a9da4 Add RX reject reasons to telemetry and UI 
BACKWARD-INCOMPATIBLE: MeterBatch schema bumped to v2 with err_rx_reject.
- Track and log RX reject reasons (CRC/protocol/role/payload/length/id/batch)
- Include rx_reject in sender telemetry JSON and receiver web UI
- Add lora_receive reject reason logging under SERIAL_DEBUG_MODE
 2026-02-13 23:57:34 +01:00
acidburns
8681f37fc1 Repeat batch ACKs to cover RX latency 
- Add ACK_REPEAT_COUNT/ACK_REPEAT_DELAY_MS and repeat ACK sends
- Update README with repeat-ACK behavior
 2026-02-13 23:57:34 +01:00
acidburns
2aca446860 Add LoRa TX timing diagnostics 
- Log idle/begin/write/end timing for LoRa TX under SERIAL_DEBUG_MODE
- Document TX timing logs in README
 2026-02-13 23:57:34 +01:00
acidburns
8aa503c450 Send batch ACKs immediately after reassembly 
- Move ACK ahead of MQTT/web work to meet sender 400ms window
- Update ACK log format and document early-ACK behavior
 2026-02-13 23:57:34 +01:00
acidburns
b2d7d77f5c Log ACK transmit and reject cases 
- Add debug log for ACK TX with batch/sender/receiver ids
- Log rejected ACKs to help diagnose mismatched ids or batches
 2026-02-13 23:57:34 +01:00
acidburns
c2e1268f1f Improve timesync acquisition and logging 
- Add boot acquisition mode with wider RX windows until first TimeSync
- Log sender TimeSync RX results and receiver TX events
- Document acquisition behavior
 2026-02-13 23:57:34 +01:00
acidburns
ecb73679b6 Validate RTC epoch before setting time 
- Reject out-of-range DS3231 epochs and log accept/reject under SERIAL_DEBUG_MODE
- Document RTC validation so LoRa TimeSync can recover
 2026-02-13 23:57:34 +01:00
acidburns
bd784e88ba Gate slow timesync on LoRa reception 
- Keep sender in fast TimeSync listen mode until it receives a LoRa beacon
- Reset scheduler when interval changes to avoid stuck timing
 2026-02-13 23:57:34 +01:00
acidburns
20348c3e6b Expose timesync error in MQTT and web UI 
BACKWARD-INCOMPATIBLE: MQTT faults payload now always includes err_last/err_last_text and err_last_age (schema change).
 2026-02-13 23:57:34 +01:00
acidburns
deb060fd20 Add timesync burst handling and sender-only timeout 
- Add TimeSync fault code and labels in UI/SD/web docs
- Trigger receiver beacon bursts on sender drift, but keep errors sender-local
- Sender flags TimeSync only after TIME_SYNC_ERROR_TIMEOUT_MS
 2026-02-13 23:57:34 +01:00
acidburns
e7318f2e71 Keep receiver timesync fast and extend sender fast window 
- Receiver now sends time sync every 60s indefinitely (mains powered)
- Sender stays in fast timesync listen mode for first 60s even with RTC
 2026-02-13 23:57:34 +01:00
acidburns
532a9154b1 Calibrate battery ADC and document LiPo curve 
- Add BATTERY_CAL config and debug logging for raw ADC samples
- Use LiPo voltage curve (4.2V full, 2.9V empty) for % mapping
- Document battery calibration, curve, and debug output in README
 2026-02-13 23:57:18 +01:00
acidburns
096b4384d0 Average battery ADC samples 
- Read battery 5 times and average for a steadier voltage estimate
 2026-02-13 23:57:18 +01:00
acidburns
e045673a3a Fix OLED autosleep timing and battery sampling cadence 
- Track last OLED activity to avoid double timeout; keep power gating on transitions
- Copy TZ before setenv() in timegm_fallback to avoid invalid pointer reuse
- Add BATTERY_SAMPLE_INTERVAL_MS and only refresh cache at batch start when due
- Keep battery sampling to a single ADC read (Arduino core lacks explicit ADC power gating)
 2026-02-13 23:57:18 +01:00
acidburns
532e51a76b Keep receiver LoRa in continuous RX 
- Add lora_receive_continuous() helper and use it after init and TX (ACK/time sync)

- Ensure receiver returns to RX immediately after lora_send

- Document continuous RX behavior in README
 2026-02-13 23:56:36 +01:00
acidburns
4b5c4e245e Make IEC 62056-21 meter input non-blocking 
- Add RX state machine with frame buffer, timeouts, and debug counters

- Expose meter_poll_frame/meter_parse_frame and reuse existing OBIS parsing

- Use cached last-valid frame at 1 Hz sampling to avoid blocking

- Document non-blocking meter handling in README
 2026-02-13 23:56:36 +01:00
acidburns
9c5b8fcdb4 Reduce sender power draw (RX windows + CPU/WiFi/ADC/pins) 
- Add LoRa idle/sleep/receive-window helpers and use short RX windows for ACK/time sync

- Schedule sender time-sync windows (fast/slow) and track RX vs sleep time in debug

- Lower sender power (80 MHz CPU, WiFi/BT off, reduced ADC sampling, unused pins pulldown)

- Make SERIAL_DEBUG_MODE a build flag, add prod envs with debug off, and document changes
 2026-02-13 23:56:36 +01:00
acidburns
4ff5fd1d55 Harden history device ID validation and SD download filename 2026-02-13 23:56:36 +01:00
acidburns
bfcb2463c3 Harden web UI auth, input handling, and SD path validation 
- Add optional Basic Auth with NVS-backed credentials and STA/AP flags; protect status, wifi, history, and download routes

- Stop pre-filling WiFi/MQTT/Web UI password fields; keep stored secrets on blank and add clear-password checkboxes

- Add HTML escaping + URL encoding helpers and apply to user-controlled strings; add unit test

- Harden /sd/download path validation (prefix, length, dotdot, slashes) and log rejections

- Enforce protocol version in LoRa receive and release GPIO14 before SD init

- Update README security, SD, and GPIO sharing notes
 2026-02-13 23:56:36 +01:00
acidburns
da16c59690 Add SD history UI and pin remap 
- Add SD history chart + download listing to web UI
- Use HSPI for SD and fix SD pin mapping
- Swap role/OLED control pins and update role detection
- Update README pin mapping and SD/history docs
 2026-02-13 23:56:36 +01:00
acidburns
6b1ed5b557 Move AP credentials to config and clarify STA UI access 2026-02-13 23:56:36 +01:00
acidburns
ff6ade2760 Add SD logging and update docs 
- Add optional microSD CSV logging per sender/day on receiver
- Wire logger into receiver packet handling
- Document new batch header fields, build envs, and SD logging
- Make sender links open in a new tab
 2026-02-13 23:56:36 +01:00
acidburns
bfbe480dad Improve receiver web UI fields and manual 2026-02-13 23:56:36 +01:00
acidburns
f2f1949ad0 Include sender error counters in batch payload 2026-02-13 23:56:36 +01:00
acidburns
8ce5f4bc31 Tidy sender page layout and use SF12 2026-02-13 23:56:36 +01:00
acidburns
e229efd427 Add payload codec test envs and enable serial debug 2026-02-13 23:56:36 +01:00
acidburns
ea68ec699b Update README for binary batch payload and SF11 2026-02-13 23:56:36 +01:00