122 lines
3.1 KiB
C++
122 lines
3.1 KiB
C++
#include <Arduino.h>
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#include <WiFi.h>
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#include <WiFiMulti.h>
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#include <InfluxDbClient.h>
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#include <PZEM004Tv30.h>
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#include "config.h"
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WiFiMulti WiFiMulti;
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InfluxDBClient client(INFLUXDB_URL, INFLUXDB_DB_NAME);
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PZEM004Tv30 pzem[3] = {
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PZEM004Tv30(&Serial2, 0x11),
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PZEM004Tv30(&Serial2, 0x12),
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PZEM004Tv30(&Serial2, 0x13)
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};
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// Data point
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Point sensor[4] = {
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Point("PowerBox"),
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Point("PowerBox"),
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Point("PowerBox"),
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Point("PowerBox")
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};
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void ConnectToWiFiMulti() {
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WiFi.mode(WIFI_STA);
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WiFiMulti.addAP(SSID, WiFiPassword);
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Serial.println("Connecting Wifi...");
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while (WiFiMulti.run() != WL_CONNECTED) {
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delay(100);
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}
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Serial.println("");
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Serial.println("WiFi connected");
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Serial.println("IP address: ");
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Serial.println(WiFi.localIP());
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}
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void ConnectToInflux() {
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// Add constant tags - only once
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sensor[0].addTag("Device", "ESP32");
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sensor[1].addTag("Power_Phase", "Phase_1");
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sensor[2].addTag("Power_Phase", "Phase_2");
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sensor[3].addTag("Power_Phase", "Phase_3");
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// Check server connection
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if (client.validateConnection()) {
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Serial.print("Connected to InfluxDB: ");
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Serial.println(client.getServerUrl());
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} else {
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Serial.print("InfluxDB connection failed: ");
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Serial.println(client.getLastErrorMessage());
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}
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}
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void setup() {
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Serial.begin(115200);
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ConnectToWiFiMulti();
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ConnectToInflux();
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}
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void loop() {
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sensor[0].clearFields();
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sensor[0].addField("wifi-rssi", WiFi.RSSI());
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//read sensors
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for(int i=0;i<3;i++){
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sensor[i+1].clearFields();
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float voltage = pzem[i].voltage();
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if(!isnan(voltage)){
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sensor[i+1].addField("voltage", voltage);
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} else {
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Serial.println("Error reading voltage");
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}
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float current = pzem[i].current();
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if(!isnan(current)){
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sensor[i+1].addField("current", current);
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} else {
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Serial.println("Error reading current");
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}
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float power = pzem[i].power();
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if(!isnan(power)){
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sensor[i+1].addField("power", power);
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} else {
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Serial.println("Error reading power");
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}
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float energy = pzem[i].energy();
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if(!isnan(energy)){
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sensor[i+1].addField("energy", energy);
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} else {
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Serial.println("Error reading energy");
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}
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float frequency = pzem[i].frequency();
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if(!isnan(frequency)){
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sensor[i+1].addField("freq", frequency);
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} else {
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Serial.println("Error reading frequency");
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}
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float pf = pzem[i].pf();
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if(!isnan(pf)){
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sensor[i+1].addField("power-factor", pf);
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} else {
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Serial.println("Error reading power factor");
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}
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}
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// If no Wifi signal, try to reconnect it
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if ((WiFi.RSSI() == 0) && (WiFiMulti.run() != WL_CONNECTED))
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Serial.print("Writing: ");
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Serial.println(sensor[0].toLineProtocol());
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Serial.println(sensor[1].toLineProtocol());
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Serial.println(sensor[2].toLineProtocol());
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Serial.println(sensor[3].toLineProtocol());
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// Write point
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for(int i=0;i<4;i++){
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if (!client.writePoint(sensor[i])) {
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Serial.print(i);
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Serial.print(": InfluxDB write failed: ");
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Serial.println(client.getLastErrorMessage());
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}
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}
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//Wait 5s
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Serial.println("Wait ~5s");
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delay(4000);
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}
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