MPM-WIFI-C3

2.0.21

2024-08-14

Adapted to firmware protocol version 1A1A
Fixed set reg 0/1 not being reported
Added PCS OTA support
Fixed PCS OTA DSP occasionally entering an unrecoverable program loop
Optimized OTA startup: retry when fetching firmware info fails; if retries fail, recheck after 10 seconds
Added download data cleanup to reduce data anomaly risk
On data anomalies, restart the inverter; removed resumable download to improve success rate (download is slower)
Optimized Modbus Lux state machine to fix occasional OTA freeze
Optimized Modbus Lux memory allocation to init-time allocation to reduce memory issues

2024-05-17

Support cloud & App configuration push
Restart policy (module restarts after 30 consecutive RS485 failures, 30 consecutive router connection failures, or 10 consecutive MQTT reconnect failures)
Adjusted MID in reported messages to match cloud protocol interaction
Added logging when memory allocation fails, including per-thread allocation status
Fixed bit-field parse/set bugs
Fixed crash during OTA hang caused by incomplete resource cleanup after thread exit
Poll devices with broadcast address; fixed communication failure after screen changes MODBUS address
Updated proto per latest Pengcheng protocol: added pv_sell_first, set_composed_phase_off_grid, set_composed_phase_on_grid; removed bat_wakeup_en, set_composed_phase
Added passthrough command protobuf
Added model-related protobuf
Fixed set_time not updating to the new time
Added 500ms timeout for serial communication
Module data metrics / telemetry
Input reg added protobuf field on_grid_load_power

2024-01-10