Implementazione supporto multi-inverter paralleli e fix comunicazione MQTT
Build Docker Image for Raspberry Pi / build-and-push (push) Failing after 1m15s
Build Docker Image for Raspberry Pi / build-and-push (push) Failing after 1m15s
- Aggiunto supporto lettura inverter paralleli tramite comandi QPGS0-QPGS9 - Implementato discovery automatico inverter con filtro duplicati e serial invalidi - Risolti bug critici comunicazione seriale: * Fix buffer ExecuteCmd da 7 a 200 bytes * Supporto terminatori CR e LF * Modalità blocking con delay 500ms * Lettura byte-by-byte per terminatore affidabile - Implementato script MQTT per pubblicazione dati multi-inverter: * mqtt-push-parallel.sh con topic separati per ogni inverter * Fix autenticazione MQTT con username/password * Aggiunto flag retain (-r) per persistenza dati - Creato test-loop-parallel.sh per simulazione completa container - Aggiornata documentazione con compatibilità MKS IV e guida test loop - Aggiornati profili debug VS Code per bash e parallel discovery - Configurazione MQTT completa con server reale (192.168.1.37:1883) Sistema testato e funzionante con 2 inverter Voltronic Axpert MKS IV
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Pi Developer
Executable
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#!/bin/bash
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# MQTT Push for Parallel Inverters
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# Discovers parallel inverters and publishes data for each one separately
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# Detect environment (container vs development)
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if [ -f "/etc/inverter/mqtt.json" ] && [ -x "/opt/inverter-cli/bin/inverter_poller" ]; then
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# Container mode
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MQTT_CONFIG="/etc/inverter/mqtt.json"
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INVERTER_BIN="/opt/inverter-cli/bin/inverter_poller"
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MQTT_FALLBACK="/opt/inverter-mqtt/mqtt-push.sh"
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CONTAINER_MODE=true
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else
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# Development mode
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MQTT_CONFIG="/home/pi/Progetti/config/mqtt.json"
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INVERTER_BIN="/home/pi/Progetti/sources/inverter-cli/bin/inverter_poller"
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MQTT_FALLBACK="/home/pi/Progetti/sources/inverter-mqtt/mqtt-push.sh"
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CONTAINER_MODE=false
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fi
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echo "Mode: $([ "$CONTAINER_MODE" = true ] && echo "Container" || echo "Development")"
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echo "Using binary: $INVERTER_BIN"
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# Check if jq is installed
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if ! command -v jq &> /dev/null; then
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echo "ERROR: jq is not installed. Install it with: sudo apt-get install jq"
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exit 1
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fi
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MQTT_SERVER=`cat $MQTT_CONFIG | jq '.server' -r`
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MQTT_PORT=`cat $MQTT_CONFIG | jq '.port' -r`
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MQTT_TOPIC=`cat $MQTT_CONFIG | jq '.topic' -r`
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MQTT_DEVICENAME=`cat $MQTT_CONFIG | jq '.devicename' -r`
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MQTT_USERNAME=`cat $MQTT_CONFIG | jq '.username' -r`
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MQTT_PASSWORD=`cat $MQTT_CONFIG | jq '.password' -r`
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MQTT_CLIENTID=`cat $MQTT_CONFIG | jq '.clientid' -r`
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INFLUX_ENABLED=`cat $MQTT_CONFIG | jq '.influx.enabled' -r`
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pushMQTTData () {
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# $1 = inverter_id, $2 = metric, $3 = value
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local inverter_id=$1
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local metric=$2
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local value=$3
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mosquitto_pub \
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-h $MQTT_SERVER \
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-p $MQTT_PORT \
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-u "$MQTT_USERNAME" \
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-P "$MQTT_PASSWORD" \
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-i $MQTT_CLIENTID \
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-r \
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-t "$MQTT_TOPIC/sensor/${MQTT_DEVICENAME}_inv${inverter_id}_${metric}" \
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-m "$value"
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if [[ $INFLUX_ENABLED == "true" ]] ; then
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pushInfluxData $inverter_id $metric $value
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fi
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}
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pushInfluxData () {
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INFLUX_HOST=`cat $MQTT_CONFIG | jq '.influx.host' -r`
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INFLUX_USERNAME=`cat $MQTT_CONFIG | jq '.influx.username' -r`
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INFLUX_PASSWORD=`cat $MQTT_CONFIG | jq '.influx.password' -r`
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INFLUX_DEVICE=`cat $MQTT_CONFIG | jq '.influx.device' -r`
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INFLUX_PREFIX=`cat $MQTT_CONFIG | jq '.influx.prefix' -r`
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INFLUX_DATABASE=`cat $MQTT_CONFIG | jq '.influx.database' -r`
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INFLUX_MEASUREMENT_NAME=`cat $MQTT_CONFIG | jq '.influx.namingMap.'$2'' -r`
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curl -i -XPOST "$INFLUX_HOST/write?db=$INFLUX_DATABASE&precision=s" -u "$INFLUX_USERNAME:$INFLUX_PASSWORD" --data-binary "$INFLUX_PREFIX,device=${INFLUX_DEVICE}_inv${1} $INFLUX_MEASUREMENT_NAME=$3" > /dev/null 2>&1
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}
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# Discover parallel inverters
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SUDO_CMD=""
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if [ "$EUID" -ne 0 ] && [ -c "/dev/ttyUSB0" ]; then
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SUDO_CMD="sudo"
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fi
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PARALLEL_DISCOVERY=`$SUDO_CMD "$INVERTER_BIN" -p 2>&1`
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PARALLEL_COUNT=`echo "$PARALLEL_DISCOVERY" | grep "PARALLEL_COUNT=" | cut -d= -f2`
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if [ -z "$PARALLEL_COUNT" ] || [ "$PARALLEL_COUNT" -eq 0 ]; then
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echo "No parallel inverters found (count=$PARALLEL_COUNT), using standard polling"
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# Don't use fallback in dev mode if file doesn't exist
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if [ -f "$MQTT_FALLBACK" ]; then
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exec $MQTT_FALLBACK
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else
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echo "Fallback script not found: $MQTT_FALLBACK"
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echo "Using standard inverter_poller -1 instead"
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INVERTER_DATA=`$SUDO_CMD "$INVERTER_BIN" -1 2>&1`
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echo "$INVERTER_DATA"
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fi
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exit 0
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fi
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echo "Found $PARALLEL_COUNT parallel inverters"
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# Publish discovery info
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pushMQTTData "system" "parallel_count" "$PARALLEL_COUNT"
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# Extract inverter serials and QPGS indices
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for i in $(seq 1 $PARALLEL_COUNT); do
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SERIAL=`echo "$PARALLEL_DISCOVERY" | grep "INVERTER_${i}_SERIAL=" | cut -d= -f2`
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QPGS_IDX=`echo "$PARALLEL_DISCOVERY" | grep "INVERTER_${i}_QPGS=" | cut -d= -f2`
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echo "Processing Inverter #$i (Serial: $SERIAL, QPGS$QPGS_IDX)"
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# Get QPGS data for this inverter
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QPGS_DATA=`$SUDO_CMD "$INVERTER_BIN" -r "QPGS$QPGS_IDX" 2>&1 | grep "Reply:" | cut -d: -f2- | xargs`
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if [ ! -z "$QPGS_DATA" ] && [ "$QPGS_DATA" != "NAK" ]; then
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# Parse QPGS response format:
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# 1 SERIAL MODE STATUS GRID_V GRID_F OUT_V OUT_F VA W PCT BATT_V CHRG CAP PV_V CHRG_A ...
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# Publish serial number
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pushMQTTData "$i" "serial" "$SERIAL"
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# Parse and publish data (QPGS format parsing)
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IFS=' ' read -ra DATA <<< "$QPGS_DATA"
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[ "${DATA[2]}" ] && pushMQTTData "$i" "mode" "${DATA[2]}"
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[ "${DATA[4]}" ] && pushMQTTData "$i" "AC_grid_voltage" "${DATA[4]}"
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[ "${DATA[5]}" ] && pushMQTTData "$i" "AC_grid_frequency" "${DATA[5]}"
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[ "${DATA[6]}" ] && pushMQTTData "$i" "AC_out_voltage" "${DATA[6]}"
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[ "${DATA[7]}" ] && pushMQTTData "$i" "AC_out_frequency" "${DATA[7]}"
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[ "${DATA[8]}" ] && pushMQTTData "$i" "Load_va" "${DATA[8]}"
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[ "${DATA[9]}" ] && pushMQTTData "$i" "Load_watt" "${DATA[9]}"
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[ "${DATA[10]}" ] && pushMQTTData "$i" "Load_pct" "${DATA[10]}"
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[ "${DATA[11]}" ] && pushMQTTData "$i" "Battery_voltage" "${DATA[11]}"
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[ "${DATA[12]}" ] && pushMQTTData "$i" "Battery_charge_current" "${DATA[12]}"
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[ "${DATA[13]}" ] && pushMQTTData "$i" "Battery_capacity" "${DATA[13]}"
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[ "${DATA[14]}" ] && pushMQTTData "$i" "PV_in_voltage" "${DATA[14]}"
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[ "${DATA[15]}" ] && pushMQTTData "$i" "PV_in_current" "${DATA[15]}"
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echo " ✓ Published data for inverter #$i"
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echo " Topics: ${MQTT_TOPIC}/sensor/${MQTT_DEVICENAME}_inv${i}_{serial,mode,Battery_voltage,Load_watt,...}"
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else
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echo " ✗ No valid data for inverter #$i"
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fi
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done
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echo "Parallel MQTT push completed"
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