Updated readme
This commit is contained in:
parent
6bd04eda97
commit
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@ -0,0 +1,2 @@
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.vscode
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*.code-workspace
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515
P1Meter.ino
515
P1Meter.ino
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@ -1,22 +1,68 @@
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// #include <TimeLib.h>
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#include <TimeLib.h>
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#include <NTPClient.h>
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#include <SoftwareSerial.h>
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#include <ESP8266WiFi.h>
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#include <ESP8266mDNS.h>
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#include <ESP8266HTTPClient.h>
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#include <WiFiUdp.h>
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#include <ArduinoOTA.h>
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#include <Button2.h>
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#include <Timer.h>
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#include "CRC16.h"
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#include <SPI.h>
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#include <Adafruit_GFX.h>
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#include <Fonts/Org_01.h>
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#include <Adafruit_PCD8544.h>
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//===Change values from here===
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const char* ssid = "WIFISSID";
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const char* password = "PASSWORD";
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const char* hostName = "ESPP1Meter";
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const char* domoticzIP = "192.168.1.35";
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const int domoticzPort = 8090;
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const int domoticzGasIdx = 291;
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const int domoticzEneryIdx = 294;
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const bool outputOnSerial = true;
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//===Change values to here===
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// Function prototypes
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void reboot();
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time_t NTPgetTime();
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void drawMenu();
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// Time related settings
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Timer t;
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WiFiUDP ntpUDP;
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NTPClient timeClient(ntpUDP, "europe.pool.ntp.org", 3600, 10000);
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// Display settings
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//// Software SPI (slower updates, more flexible pin options):
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//// pin 7 - Serial clock out (SCLK)
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//// pin 6 - Serial data out (DIN)
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//// pin 5 - Data/Command select (D/C)
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//// pin 4 - LCD chip select (CS)
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//// pin 3 - LCD reset (RST)
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Adafruit_PCD8544 display = Adafruit_PCD8544(D7, D6, D5, D4, D3);
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int tab = 0;
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int tabCount = 3;
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// LED settings
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#define ledPin D8
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int ledBrightness = 192;
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void ledOff();
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int ledTimeout;
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// Button settings
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#define buttonPin D2
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Button2 button = Button2(buttonPin);
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// Wifi Settings
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const char *ssid = "*";
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const char *password = "*";
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const char *hostName = "ESPP1Meter";
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// Server settings
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const char *apiIP = "192.168.2.6";
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const int apiPort = 3000;
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const char *apiKey = "*";
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const int gasIdx = 291;
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const int energyIdx = 294;
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const bool outputOnSerial = false;
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// Statistics variables
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unsigned long telegramsTotal = 0;
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unsigned long telegramsInvalid = 0;
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unsigned long postedTotal = 0;
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unsigned long postedFailed = 0;
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// Vars to store meter readings
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long mEVLT = 0; //Meter reading Electrics - consumption low tariff
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@ -25,277 +71,512 @@ long mEOLT = 0; //Meter reading Electrics - return low tariff
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long mEOHT = 0; //Meter reading Electrics - return high tariff
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long mEAV = 0; //Meter reading Electrics - Actual consumption
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long mEAT = 0; //Meter reading Electrics - Actual return
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long mGAS = 0; //Meter reading Gas
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long mGAS = 0; //Meter reading Gas
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long prevGAS = 0;
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#define MAXLINELENGTH 128 // longest normal line is 47 char (+3 for \r\n\0)
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char telegram[MAXLINELENGTH];
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unsigned int currentCRC = 0;
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#define SERIAL_RX D5 // pin for SoftwareSerial RX
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SoftwareSerial mySerial(SERIAL_RX, -1, true, MAXLINELENGTH); // (RX, TX. inverted, buffer)
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// P1 Serial settings
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#define SERIAL_RX D1 // pin for SoftwareSerial RX
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SoftwareSerial mySerial(SERIAL_RX, -1, false); // (RX, TX, inverted)
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unsigned int currentCRC=0;
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void SendToDomoLog(char* message)
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void setup()
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{
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char url[512];
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sprintf(url, "http://%s:%d/json.htm?type=command¶m=addlogmessage&message=%s", domoticzIP, domoticzPort, message);
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}
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void setup() {
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// Init Serial
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Serial.begin(115200);
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Serial.println("Booting");
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delay(50);
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// Init LED
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pinMode(ledPin, OUTPUT);
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analogWrite(ledPin, ledBrightness);
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// Init Button
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button.setReleasedHandler(press);
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// Init Display
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display.begin();
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display.setContrast(50);
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display.setFont(&Org_01);
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drawMenu();
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// Init WiFi
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WiFi.mode(WIFI_STA);
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display.println("Connecting to:");
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display.print(" ");
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display.println(ssid);
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display.display();
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WiFi.begin(ssid, password);
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while (WiFi.waitForConnectResult() != WL_CONNECTED) {
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while (WiFi.waitForConnectResult() != WL_CONNECTED)
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{
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Serial.println("Connection Failed! Rebooting...");
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drawMenu();
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display.println("Connection Failed!");
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display.display();
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delay(5000);
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ESP.restart();
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}
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// Init P1 Serial
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mySerial.begin(115200);
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// Port defaults to 8266
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// ArduinoOTA.setPort(8266);
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// Init ArduinoOTA
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//// Port defaults to 8266
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ArduinoOTA.setPort(8266);
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// Hostname defaults to esp8266-[ChipID]
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//// Hostname defaults to esp8266-[ChipID]
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ArduinoOTA.setHostname(hostName);
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// No authentication by default
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//// No authentication by default
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// ArduinoOTA.setPassword((const char *)"123");
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ArduinoOTA.onStart([]() {
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drawMenu();
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display.println("OTA Update");
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display.display();
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Serial.println("Start");
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});
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ArduinoOTA.onEnd([]() {
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Serial.println("\nEnd");
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});
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ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
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drawMenu();
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display.println("OTA Update");
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display.printf("Progress: %u%%\r", (progress / (total / 100)));
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display.display();
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Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
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});
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ArduinoOTA.onError([](ota_error_t error) {
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drawMenu();
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display.println("OTA Update");
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display.printf("Error[%u]: ", error);
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display.display();
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Serial.printf("Error[%u]: ", error);
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if (error == OTA_AUTH_ERROR) Serial.println("Auth Failed");
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else if (error == OTA_BEGIN_ERROR) Serial.println("Begin Failed");
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else if (error == OTA_CONNECT_ERROR) Serial.println("Connect Failed");
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else if (error == OTA_RECEIVE_ERROR) Serial.println("Receive Failed");
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else if (error == OTA_END_ERROR) Serial.println("End Failed");
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if (error == OTA_AUTH_ERROR)
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Serial.println("Auth Failed");
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else if (error == OTA_BEGIN_ERROR)
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Serial.println("Begin Failed");
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else if (error == OTA_CONNECT_ERROR)
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Serial.println("Connect Failed");
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else if (error == OTA_RECEIVE_ERROR)
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Serial.println("Receive Failed");
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else if (error == OTA_END_ERROR)
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Serial.println("End Failed");
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});
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ArduinoOTA.begin();
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Serial.println("Ready");
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Serial.print("IP address: ");
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Serial.println(WiFi.localIP());
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// Init Time
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timeClient.begin();
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time_t test = NTPgetTime();
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while (test < 10000)
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{
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test = NTPgetTime();
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}
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setTime(NTPgetTime());
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getExternalTime NtpTime = &NTPgetTime;
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setSyncProvider(NtpTime);
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setSyncInterval(3600);
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display.println("Time set");
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display.display();
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delay(1000);
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// Exit setup
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drawTab(2);
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ledTimeout = t.after(5000, ledOff, (void *)0);
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}
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// Reboot the ESP
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void reboot()
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{
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drawMenu();
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display.println("Scheduled reboot");
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display.display();
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delay(5000);
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ESP.restart();
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}
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bool SendToDomo(int idx, int nValue, char* sValue)
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// Update Time
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time_t NTPgetTime()
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{
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timeClient.update();
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return timeClient.getEpochTime();
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}
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// Turn of the backlight LEDs
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void ledOff(void *context)
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{
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tab = 0;
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drawTab(tab);
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analogWrite(ledPin, 0);
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}
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// Button action
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void press(Button2 &btn)
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{
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analogWrite(ledPin, ledBrightness);
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t.stop(ledTimeout);
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ledTimeout = t.after(10000, ledOff, (void *)0);
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if ((tab + 1) == tabCount)
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{
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tab = 0;
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}
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else
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{
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tab++;
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}
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drawTab(tab);
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}
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// Draw top bar
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void drawMenu()
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{
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display.clearDisplay();
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display.setCursor(0, 4);
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display.println("P1 Reader");
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display.drawLine(0, 6, 84, 6, 1);
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display.display();
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display.setCursor(0, 12);
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}
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void drawTab(int no)
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{
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drawMenu();
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switch (no)
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{
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// Network
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case 0:
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drawMenu();
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// SSID
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display.println("Connected to:");
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display.print(" ");
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display.println(ssid);
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// Own IP
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display.println("IP address: ");
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display.print(" ");
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display.println(WiFi.localIP());
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// Target server
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display.println("Target host: ");
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display.print(" ");
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display.println(String(apiIP) + ":" + String(apiPort));
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break;
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// Stats
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case 1:
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drawMenu();
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// Telegrams
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display.println("Telegrams");
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display.print(" Total: ");
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display.println(String(telegramsTotal));
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display.print(" Invalid: ");
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display.println(String(telegramsInvalid));
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// Posted
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display.println("Posted");
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display.print(" Total: ");
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display.println(String(postedTotal));
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display.print(" Failed: ");
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display.println(String(postedFailed));
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break;
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// Time
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case 2:
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display.println("Current time:");
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// Time
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display.print(" ");
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if (hour() < 10)
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{
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display.print("0");
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}
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display.print(hour());
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display.print(":");
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if (minute() < 10)
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{
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display.print("0");
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}
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display.println(minute());
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// Date
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display.print(" ");
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if (day() < 10)
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{
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display.print("0");
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}
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display.print(day());
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display.print("-");
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if (month() < 10)
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{
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display.print("0");
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}
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display.print(month());
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display.print("-");
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display.println(year());
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break;
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}
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display.display();
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}
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// Send data to server
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bool Send(int idx, int nValue, char *sValue)
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{
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HTTPClient http;
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bool retVal = false;
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char url[255];
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sprintf(url, "http://%s:%d/json.htm?type=command¶m=udevice&idx=%d&nvalue=%d&svalue=%s", domoticzIP, domoticzPort, idx, nValue, sValue);
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Serial.printf("[HTTP] GET... URL: %s\n",url);
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http.begin(url); //HTTP
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int httpCode = http.GET();
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char httpRequestData[255];
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// "http://%s:%d/json.htm?type=command¶m=udevice&idx=%d&nvalue=%d&svalue=%s"
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// "api_key=tPmAT5Ab3j7F9&sensor=BME280&value1=24.25&value2=49.54&value3=1005.14"
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sprintf(httpRequestData, "api_key=%s&type=%d&nval=%d&sval=%s", apiKey, idx, nValue, sValue);
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Serial.printf("[HTTP] GET... URL: %s\n", httpRequestData);
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http.begin(String("http://" + String(apiIP) + ":" + String(apiPort))); //HTTP
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http.addHeader("Content-Type", "application/x-www-form-urlencoded");
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postedTotal++;
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int httpCode = http.POST(httpRequestData);
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// httpCode will be negative on error
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if (httpCode > 0)
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{ // HTTP header has been send and Server response header has been handled
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Serial.printf("[HTTP] GET... code: %d\n", httpCode);
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// file found at server
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if (httpCode == HTTP_CODE_OK) {
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if (httpCode == HTTP_CODE_OK)
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{
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String payload = http.getString();
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retVal = true;
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}
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}
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else
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{
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postedFailed++;
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Serial.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
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}
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http.end();
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return retVal;
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}
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// Update Gas info
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void UpdateGas()
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{
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//sends over the gas setting to domoticz
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if(prevGAS!=mGAS)
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if (prevGAS != mGAS)
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{
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char sValue[10];
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sprintf(sValue, "%d", mGAS);
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if(SendToDomo(domoticzGasIdx, 0, sValue))
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prevGAS=mGAS;
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if (Send(gasIdx, 0, sValue))
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prevGAS = mGAS;
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}
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}
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// Update Electricity info
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void UpdateElectricity()
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{
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char sValue[255];
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sprintf(sValue, "%d;%d;%d;%d;%d;%d", mEVLT, mEVHT, mEOLT, mEOHT, mEAV, mEAT);
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SendToDomo(domoticzEneryIdx, 0, sValue);
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Send(energyIdx, 0, sValue);
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}
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bool isNumber(char* res, int len) {
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for (int i = 0; i < len; i++) {
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if (((res[i] < '0') || (res[i] > '9')) && (res[i] != '.' && res[i] != 0)) {
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// Check if value is number
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bool isNumber(char *res, int len)
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{
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for (int i = 0; i < len; i++)
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{
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if (((res[i] < '0') || (res[i] > '9')) && (res[i] != '.' && res[i] != 0))
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{
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return false;
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}
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}
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return true;
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}
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int FindCharInArrayRev(char array[], char c, int len) {
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for (int i = len - 1; i >= 0; i--) {
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if (array[i] == c) {
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// Find char in array
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int FindCharInArrayRev(char array[], char c, int len)
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{
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for (int i = len - 1; i >= 0; i--)
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{
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if (array[i] == c)
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{
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return i;
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}
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}
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return -1;
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}
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// Check if value is valid
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long getValidVal(long valNew, long valOld, long maxDiffer)
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{
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//check if the incoming value is valid
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if(valOld > 0 && ((valNew - valOld > maxDiffer) && (valOld - valNew > maxDiffer)))
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return valOld;
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return valNew;
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if (valOld > 0 && ((valNew - valOld > maxDiffer) && (valOld - valNew > maxDiffer)))
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return valOld;
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return valNew;
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}
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long getValue(char* buffer, int maxlen) {
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// Get value from char buffer
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long getValue(char *buffer, int maxlen)
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{
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int s = FindCharInArrayRev(buffer, '(', maxlen - 2);
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if (s < 8) return 0;
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if (s > 32) s = 32;
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if (s < 8)
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return 0;
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if (s > 32)
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s = 32;
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int l = FindCharInArrayRev(buffer, '*', maxlen - 2) - s - 1;
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if (l < 4) return 0;
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if (l > 12) return 0;
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if (l < 4)
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return 0;
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if (l > 12)
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return 0;
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char res[16];
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memset(res, 0, sizeof(res));
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||||
if (strncpy(res, buffer + s + 1, l)) {
|
||||
if (isNumber(res, l)) {
|
||||
if (strncpy(res, buffer + s + 1, l))
|
||||
{
|
||||
if (isNumber(res, l))
|
||||
{
|
||||
return (1000 * atof(res));
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
bool decodeTelegram(int len) {
|
||||
// Decode P1 telegram
|
||||
bool decodeTelegram(int len)
|
||||
{
|
||||
//need to check for start
|
||||
int startChar = FindCharInArrayRev(telegram, '/', len);
|
||||
int endChar = FindCharInArrayRev(telegram, '!', len);
|
||||
bool validCRCFound = false;
|
||||
if(startChar>=0)
|
||||
if (startChar >= 0)
|
||||
{
|
||||
//start found. Reset CRC calculation
|
||||
currentCRC=CRC16(0x0000,(unsigned char *) telegram+startChar, len-startChar);
|
||||
if(outputOnSerial)
|
||||
currentCRC = CRC16(0x0000, (unsigned char *)telegram + startChar, len - startChar);
|
||||
if (outputOnSerial)
|
||||
{
|
||||
for(int cnt=startChar; cnt<len-startChar;cnt++)
|
||||
for (int cnt = startChar; cnt < len - startChar; cnt++)
|
||||
Serial.print(telegram[cnt]);
|
||||
}
|
||||
//Serial.println("Start found!");
|
||||
|
||||
}
|
||||
Serial.println("Start found!");
|
||||
telegramsTotal++;
|
||||
}
|
||||
else if(endChar>=0)
|
||||
else if (endChar >= 0)
|
||||
{
|
||||
//add to crc calc
|
||||
currentCRC=CRC16(currentCRC,(unsigned char*)telegram+endChar, 1);
|
||||
//add to crc calc
|
||||
currentCRC = CRC16(currentCRC, (unsigned char *)telegram + endChar, 1);
|
||||
char messageCRC[5];
|
||||
strncpy(messageCRC, telegram + endChar + 1, 4);
|
||||
messageCRC[4]=0; //thanks to HarmOtten (issue 5)
|
||||
if(outputOnSerial)
|
||||
messageCRC[4] = 0; //thanks to HarmOtten (issue 5)
|
||||
if (outputOnSerial)
|
||||
{
|
||||
for(int cnt=0; cnt<len;cnt++)
|
||||
for (int cnt = 0; cnt < len; cnt++)
|
||||
Serial.print(telegram[cnt]);
|
||||
}
|
||||
}
|
||||
validCRCFound = (strtol(messageCRC, NULL, 16) == currentCRC);
|
||||
if(validCRCFound)
|
||||
Serial.println("\nVALID CRC FOUND!");
|
||||
if (validCRCFound)
|
||||
{
|
||||
Serial.println("\nVALID CRC FOUND!");
|
||||
}
|
||||
else
|
||||
Serial.println("\n===INVALID CRC FOUND!===");
|
||||
{
|
||||
Serial.println("\nINVALID CRC FOUND!");
|
||||
telegramsInvalid++;
|
||||
}
|
||||
currentCRC = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
currentCRC=CRC16(currentCRC, (unsigned char*)telegram, len);
|
||||
if(outputOnSerial)
|
||||
currentCRC = CRC16(currentCRC, (unsigned char *)telegram, len);
|
||||
if (outputOnSerial)
|
||||
{
|
||||
for(int cnt=0; cnt<len;cnt++)
|
||||
for (int cnt = 0; cnt < len; cnt++)
|
||||
Serial.print(telegram[cnt]);
|
||||
}
|
||||
}
|
||||
|
||||
long val =0;
|
||||
long val2=0;
|
||||
long val = 0;
|
||||
long val2 = 0;
|
||||
// 1-0:1.8.1(000992.992*kWh)
|
||||
// 1-0:1.8.1 = Elektra verbruik laag tarief (DSMR v4.0)
|
||||
if (strncmp(telegram, "1-0:1.8.1", strlen("1-0:1.8.1")) == 0)
|
||||
mEVLT = getValue(telegram, len);
|
||||
|
||||
if (strncmp(telegram, "1-0:1.8.1", strlen("1-0:1.8.1")) == 0)
|
||||
mEVLT = getValue(telegram, len);
|
||||
|
||||
// 1-0:1.8.2(000560.157*kWh)
|
||||
// 1-0:1.8.2 = Elektra verbruik hoog tarief (DSMR v4.0)
|
||||
if (strncmp(telegram, "1-0:1.8.2", strlen("1-0:1.8.2")) == 0)
|
||||
if (strncmp(telegram, "1-0:1.8.2", strlen("1-0:1.8.2")) == 0)
|
||||
mEVHT = getValue(telegram, len);
|
||||
|
||||
|
||||
// 1-0:2.8.1(000348.890*kWh)
|
||||
// 1-0:2.8.1 = Elektra opbrengst laag tarief (DSMR v4.0)
|
||||
if (strncmp(telegram, "1-0:2.8.1", strlen("1-0:2.8.1")) == 0)
|
||||
if (strncmp(telegram, "1-0:2.8.1", strlen("1-0:2.8.1")) == 0)
|
||||
mEOLT = getValue(telegram, len);
|
||||
|
||||
|
||||
// 1-0:2.8.2(000859.885*kWh)
|
||||
// 1-0:2.8.2 = Elektra opbrengst hoog tarief (DSMR v4.0)
|
||||
if (strncmp(telegram, "1-0:2.8.2", strlen("1-0:2.8.2")) == 0)
|
||||
if (strncmp(telegram, "1-0:2.8.2", strlen("1-0:2.8.2")) == 0)
|
||||
mEOHT = getValue(telegram, len);
|
||||
|
||||
|
||||
// 1-0:1.7.0(00.424*kW) Actueel verbruik
|
||||
// 1-0:2.7.0(00.000*kW) Actuele teruglevering
|
||||
// 1-0:1.7.x = Electricity consumption actual usage (DSMR v4.0)
|
||||
if (strncmp(telegram, "1-0:1.7.0", strlen("1-0:1.7.0")) == 0)
|
||||
if (strncmp(telegram, "1-0:1.7.0", strlen("1-0:1.7.0")) == 0)
|
||||
mEAV = getValue(telegram, len);
|
||||
|
||||
|
||||
if (strncmp(telegram, "1-0:2.7.0", strlen("1-0:2.7.0")) == 0)
|
||||
mEAT = getValue(telegram, len);
|
||||
|
||||
|
||||
// 0-1:24.2.1(150531200000S)(00811.923*m3)
|
||||
// 0-1:24.2.1 = Gas (DSMR v4.0) on Kaifa MA105 meter
|
||||
if (strncmp(telegram, "0-1:24.2.1", strlen("0-1:24.2.1")) == 0)
|
||||
if (strncmp(telegram, "0-1:24.2.1", strlen("0-1:24.2.1")) == 0)
|
||||
mGAS = getValue(telegram, len);
|
||||
|
||||
return validCRCFound;
|
||||
}
|
||||
|
||||
void readTelegram() {
|
||||
if (mySerial.available()) {
|
||||
// Read P1 telegram
|
||||
void readTelegram()
|
||||
{
|
||||
if (mySerial.available())
|
||||
{
|
||||
memset(telegram, 0, sizeof(telegram));
|
||||
while (mySerial.available()) {
|
||||
while (mySerial.available())
|
||||
{
|
||||
int len = mySerial.readBytesUntil('\n', telegram, MAXLINELENGTH);
|
||||
telegram[len] = '\n';
|
||||
telegram[len+1] = 0;
|
||||
telegram[len + 1] = 0;
|
||||
yield();
|
||||
if(decodeTelegram(len+1))
|
||||
if (decodeTelegram(len + 1))
|
||||
{
|
||||
UpdateElectricity();
|
||||
UpdateGas();
|
||||
UpdateElectricity();
|
||||
UpdateGas();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void loop()
|
||||
{
|
||||
if (hour() == 0 && minute() == 0 && second() == 0)
|
||||
{
|
||||
reboot();
|
||||
}
|
||||
|
||||
|
||||
void loop() {
|
||||
readTelegram();
|
||||
|
||||
button.loop();
|
||||
|
||||
t.update();
|
||||
|
||||
ArduinoOTA.handle();
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
|
|
|||
18
README.md
18
README.md
|
|
@ -1,15 +1,23 @@
|
|||
|
||||
|
||||
# P1-Meter-ESP8266
|
||||
|
||||
## Original code by [jantenhove on GitHub](https://github.com/jantenhove/P1-Meter-ESP8266), I altered the code to add a screen and make it work with my own server. The original code works with Domoticz, be sure to check it out!
|
||||
|
||||
Software for the ESP2866 that sends P1 smart meter data to Domoticz (with CRC checking and OTA firmware updates)
|
||||
|
||||
### Installation instrucions
|
||||
- Make sure that your ESP8266 can be flashed from the Arduino environnment: https://github.com/esp8266/Arduino
|
||||
- Install the SoftSerial library from: https://github.com/plerup/espsoftwareserial
|
||||
- Place all files from this repository in a directory. Open the .ino file.
|
||||
- Adjust WIFI, Domoticz and debug settings at the top of the file
|
||||
- Compile and flash
|
||||
|
||||
* Make sure that your ESP8266 can be flashed from the Arduino environnment: https://github.com/esp8266/Arduino
|
||||
* Install the SoftSerial library from: https://github.com/plerup/espsoftwareserial
|
||||
* Place all files from this repository in a directory. Open the .ino file.
|
||||
* Adjust WIFI, Domoticz and debug settings at the top of the file
|
||||
* Compile and flash
|
||||
|
||||
### Connection of the P1 meter to the ESP8266
|
||||
|
||||
You need to connect the smart meter with a RJ11 connector. This is the pinout to use
|
||||
|
||||
|
||||
|
||||
Connect GND->GND on ESP, RTS->3.3V on ESP and RxD->any digital pin on ESP. In this sketch I use D5
|
||||
|
|
|
|||
Loading…
Reference in New Issue