ESP_Solar_Monitor/src/main.cpp

290 lines
9.5 KiB
C++

/*
; Project: ESP32 GLCD SOLAR MONITOR
; Date: 3rd Sep 2022
;
; (C) 2022 Carsten Schmiemann
;
; Permission is hereby granted, free of charge, to any person obtaining a copy
; of this software and associated documentation files (the "Software"), to deal
; in the Software without restriction, including without limitation the rights
; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
; copies of the Software, and to permit persons to whom the Software is
; furnished to do so, subject to the following conditions:
;
; The above copyright notice and this permission notice shall be included in
; all copies or substantial portions of the Software.
;
; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
; THE SOFTWARE.
*/
#include <Arduino.h>
#include <logger.h>
//#include <WiFi.h> -ESP32
#include <ESP8266WiFi.h>
#include <PubSubClient.h>
#include <ArduinoJson.h>
#include <Wire.h>
#include <U8g2lib.h>
//Program parts
#include <pins.h>
#include <screens.h>
#include <display.h>
#define VERSION "0.1a"
static const unsigned long DISPLAY_REFRESH_INTERVAL = 500; // ms
static const unsigned long DISPLAY_SCREEN_INTERVAL = 10000; // ms
//Wifi Setup
const char* WIFI_SSID = "IoT_Temp";
const char* WIFI_PASS = "FpgtW6LMeZjmTH6J2KoSTTiE7rpEEhtfH8LaCjgFbajH2Bk88fkZFu9CopF96i";
const char* mqtt_server = "10.1.0.9";
//Library setup
WiFiClient espClient;
PubSubClient client(espClient);
//Globals
long lastMsg = 0;
char msg[50];
float pv_v = 0, pv_w = 0, pv_i = 0, pv_kwh = 0, inv_p = 0, inv_i = 0, batt_v = 0, batt_i = 0, batt_p = 0, batt_c_min = 0, batt_c_max = 0, grid_p = 0, batt_soc = 0, temp_outside = 0, load_ph1 = 0, load_ph2 = 0, load_ph3 = 0;
int lastButtonState = HIGH;
int currentButtonState;
int display_screen = 0;
int display_last_screen = 2;
//MQTT topics
void callback(char* topic, byte* message, unsigned int length) {
logPrintlnD("Message arrived on topic: ");
logPrintlnD(topic);
logPrintlnD("Message: ");
String messageTemp;
for (byte i = 0; i < length; i++) {
char tmp = char(message[i]);
messageTemp += tmp;
}
logPrintlnD(messageTemp);
//PV Charger - solar voltage
if (String(topic) == "N/48e7da87c8df/solarcharger/279/Pv/V") {
DynamicJsonDocument json(512);
deserializeJson(json, messageTemp);
pv_v = json["value"];
}
//PV Charger - solar power
if (String(topic) == "N/48e7da87c8df/solarcharger/279/Yield/Power") {
DynamicJsonDocument json(512);
deserializeJson(json, messageTemp);
pv_w = json["value"];
}
//PV Charger - solar yield
if (String(topic) == "N/48e7da87c8df/solarcharger/279/History/Daily/0/Yield") {
DynamicJsonDocument json(512);
deserializeJson(json, messageTemp);
pv_kwh = json["value"];
}
//PV Charger - bat charge current
if (String(topic) == "N/48e7da87c8df/solarcharger/279/Dc/0/Current") {
DynamicJsonDocument json(512);
deserializeJson(json, messageTemp);
pv_i = json["value"];
}
//Grid meter - power
if (String(topic) == "N/48e7da87c8df/grid/40/Ac/Power") {
DynamicJsonDocument json(512);
deserializeJson(json, messageTemp);
grid_p = json["value"];
}
//Inverter - power
if (String(topic) == "N/48e7da87c8df/vebus/276/Ac/ActiveIn/L1/P") {
DynamicJsonDocument json(512);
deserializeJson(json, messageTemp);
inv_p = json["value"];
}
//Inverter - current
if (String(topic) == "N/48e7da87c8df/vebus/276/Dc/0/Current") {
DynamicJsonDocument json(512);
deserializeJson(json, messageTemp);
inv_i = json["value"];
}
//Battery - SOC
if (String(topic) == "N/48e7da87c8df/battery/512/Soc") {
DynamicJsonDocument json(512);
deserializeJson(json, messageTemp);
batt_soc = json["value"];
}
//Battery - voltage
if (String(topic) == "N/48e7da87c8df/battery/512/Dc/0/Voltage") {
DynamicJsonDocument json(512);
deserializeJson(json, messageTemp);
batt_v = json["value"];
}
//Battery - current
if (String(topic) == "N/48e7da87c8df/battery/512/Dc/0/Current") {
DynamicJsonDocument json(512);
deserializeJson(json, messageTemp);
batt_i = json["value"];
}
//Battery - power
if (String(topic) == "N/48e7da87c8df/battery/512/Dc/0/Power") {
DynamicJsonDocument json(512);
deserializeJson(json, messageTemp);
batt_p = json["value"];
}
//Battery - max cell volts
if (String(topic) == "N/48e7da87c8df/battery/512/System/MaxCellVoltage") {
DynamicJsonDocument json(512);
deserializeJson(json, messageTemp);
batt_c_max = json["value"];
}
//Battery - min cell volts
if (String(topic) == "N/48e7da87c8df/battery/512/System/MinCellVoltage") {
DynamicJsonDocument json(512);
deserializeJson(json, messageTemp);
batt_c_min = json["value"];
}
//Temperature - outside
if (String(topic) == "N/48e7da87c8df/temperature/18/Temperature") {
DynamicJsonDocument json(512);
deserializeJson(json, messageTemp);
temp_outside = json["value"];
}
//System - AC Load Phase 1
if (String(topic) == "N/48e7da87c8df/system/0/Ac/ConsumptionOnInput/L1/Power") {
DynamicJsonDocument json(512);
deserializeJson(json, messageTemp);
load_ph1 = json["value"];
}
//System - AC Load Phase 2
if (String(topic) == "N/48e7da87c8df/system/0/Ac/ConsumptionOnInput/L2/Power") {
DynamicJsonDocument json(512);
deserializeJson(json, messageTemp);
load_ph2 = json["value"];
}
//System - AC Load Phase 3
if (String(topic) == "N/48e7da87c8df/system/0/Ac/ConsumptionOnInput/L3/Power") {
DynamicJsonDocument json(512);
deserializeJson(json, messageTemp);
load_ph3 = json["value"];
}
}
//Wifi re-/connect
void reconnect() {
// Loop until we're reconnected
while (!client.connected()) {
logPrintlnI("Attempting MQTT connection...");
display_mqtt();
delay(1500);
// Attempt to connect
if (client.connect("PV_solar_monitor")) {
logPrintlnI("connected");
// Subscribe
client.subscribe("N/48e7da87c8df/solarcharger/279/Pv/V");
client.subscribe("N/48e7da87c8df/solarcharger/279/Yield/Power");
client.subscribe("N/48e7da87c8df/solarcharger/279/History/Daily/0/Yield");
client.subscribe("N/48e7da87c8df/solarcharger/279/Dc/0/Current");
client.subscribe("N/48e7da87c8df/grid/40/Ac/Power");
client.subscribe("N/48e7da87c8df/vebus/276/Ac/ActiveIn/L1/P");
client.subscribe("N/48e7da87c8df/vebus/276/Dc/0/Current");
client.subscribe("N/48e7da87c8df/battery/512/Soc");
client.subscribe("N/48e7da87c8df/battery/512/Dc/0/Voltage");
client.subscribe("N/48e7da87c8df/battery/512/Dc/0/Current");
client.subscribe("N/48e7da87c8df/battery/512/Dc/0/Power");
client.subscribe("N/48e7da87c8df/battery/512/System/MaxCellVoltage");
client.subscribe("N/48e7da87c8df/battery/512/System/MinCellVoltage");
client.subscribe("N/48e7da87c8df/temperature/18/Temperature");
client.subscribe("N/48e7da87c8df/system/0/Ac/ConsumptionOnInput/L1/Power");
client.subscribe("N/48e7da87c8df/system/0/Ac/ConsumptionOnInput/L2/Power");
client.subscribe("N/48e7da87c8df/system/0/Ac/ConsumptionOnInput/L3/Power");
} else {
logPrintlnE("failed, rc=");
logPrintlnE((char*)client.state());
logPrintlnE(" try again in 5 seconds");
// Wait 5 seconds before retrying
delay(5000);
}
}
}
void setup() {
Serial.begin(115200);
display_begin();
display_init((char*)VERSION);
delay(2000);
logPrintlnI("Booting solar monitor app..." VERSION);
pinMode(BUTTON_PIN, INPUT_PULLUP);
logPrintlnI( "Set WLAN Mode to STA...");
WiFi.mode(WIFI_STA);
logPrintlnI("Resetting...");
WiFi.disconnect();
logPrintlnI("Connecting ...");
delay(1000);
WiFi.begin(WIFI_SSID, WIFI_PASS);
while (WiFi.status() != WL_CONNECTED) {
Serial.println("Retry connection to WiFi..");
display_wifi((char*)"wait");
delay(500);
client.setServer(mqtt_server, 1883);
client.setCallback(callback);
}
IPAddress ip = WiFi.localIP();
char* ip_address = new char[40]();
sprintf(ip_address, "%d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]);
display_wifi(ip_address);
delay(2000);
}
void loop() {
if (!client.connected()) {
reconnect();
}
client.loop();
static unsigned long lastDispRefreshTime = 0;
static unsigned long lastScreenChangeTime = 0;
//Refresh display values
if(millis() - lastDispRefreshTime >= DISPLAY_REFRESH_INTERVAL)
{
lastDispRefreshTime += DISPLAY_REFRESH_INTERVAL;
if (display_screen == 0) {
display_screen_0(pv_v, pv_w, batt_v, pv_i, pv_kwh);
}
if (display_screen == 1) {
display_screen_1(batt_v, batt_i, batt_p, batt_soc, batt_c_min, batt_c_max);
}
if (display_screen == 2) {
display_screen_2(grid_p, inv_p, inv_i, load_ph1, load_ph2, load_ph3, pv_w);
}
}
//Change screen after time
if(millis() - lastScreenChangeTime >= DISPLAY_SCREEN_INTERVAL)
{
display_screen++;
lastScreenChangeTime += DISPLAY_SCREEN_INTERVAL;
if (display_screen == display_last_screen + 1) {
display_screen = 0;
}
}
currentButtonState = digitalRead(BUTTON_PIN);
if(lastButtonState == LOW && currentButtonState == HIGH) {
display_screen++;
if (display_screen == display_last_screen + 1) {
display_screen = 0;
}
lastButtonState = currentButtonState;
}
}