P1 poort slimme meter – Telegram uitlezen met Python
Er zijn talloze scripts op het internet te vinden om “eenvoudig” telegrammen uit te lezen afkomstig van de P1 poort, …
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Tag: P1 poort
P1 poort slimme meter – Data naar Domoticz (ESP8266)
Bron: jantenhove @ Github Software for the ESP2866 that sends P1 smart meter data to Domoticz (with CRC checking and OTA …
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P1 poort slimme meter – Data naar EmonCMS (Arduino)
Bron: woutertp1Â @ Github Smart-meter-P1 ============== Readout of Dutch smart meter P1-port using Arduino and logging to EmonCMS. What do you …
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P1 poort slimme meter – MQTT Publisher (Arduino)
Bron: willem4ever @ Github
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#include <Time.h> #include <SPI.h> #include <EEPROM.h> #include <Dhcp.h> #include <Dns.h> #include <Ethernet.h> #include <EthernetClient.h> #include <EthernetServer.h> #include <EthernetUdp.h> #include <util.h> #include <PubSubClient.h> struct obis { byte a; byte b; byte c; byte d; byte e; byte f; }; byte mac[6] = { 0x90, 0xA2, 0xDA, 0x0d, 0x5c, 0x21 }; IPAddress ip(192,168,223,24); IPAddress gateway(192,168,223, 5); IPAddress subnet(255, 255, 255, 128); unsigned int localPort = 123; // local port to listen for UDP packets IPAddress dhcpNtp(192,168,223,9); // default, will take ip from dhcp server byte broker[] = { 192,168,223,7}; const int NTP_PACKET_SIZE= 48; // NTP time stamp is in the first 48 bytes of the message byte packetBuffer[ NTP_PACKET_SIZE]; //buffer to hold incoming and outgoing packets // An EthernetUDP instance to let us send and receive packets over UDP EthernetUDP Ntp; PubSubClient client(broker, 1883, callback); unsigned long getNtpTime(); byte GetObis (char *p, struct obis *po); time_t pminute = 0; // once a minute time_t psecond = 0; const long timeZoneOffset = 0L; // set this to the offset in seconds to your local time; //const int pir = 7; //int pirstatus = 0; //int lightstatus = 0; char topic[64]; char Value[10][12]; char buffer[64]; char scratch[20]; byte bIndex; long datagrams; const char *message[] = { "powerusage1","powerusage2","powerdelivery1","powerdelivery2","powerrate","powerusagec","powerdeliveryc","gasusage"}; byte GetObis (char *p, struct obis *po) { // return index to delimeter hit byte i,a; po->a = po->b = po->c = po->d = po->e = po->f = 0xff; // clear obis struct i = a = 0; while (isdigit(p[i]) || p[i] == '-' || p[i] == ':' || p[i] == '.' || p[i] == '*') { // Escape on any non valid OBIS character if (isdigit(p[i])) { if (a) { a = a*10+p[i] - 0x30; } else a = p[i] - 0x30; } if (p[i] == '-') { po->a = a; a=0; } else if (p[i] == ':') { po->b = a; a=0; } else if (p[i] == '.' && po->c == 0xff) { po->c = a; a=0; } else if (p[i] == '.' && po->d == 0xff) { po->d = a; a=0; } else if (p[i] == '*' ) { po->e = a; a=0; } i++; } // We bumped into a non valid character, determine the last obis field (C & D are mandatory) if (po->d == 0xff) { // D po->d = a; } else if (po->e == 0xff) { // E po->e = a; } else if (po->f == 0xff) { // F po->f = a; } return i; } byte CompareObis (obis *po, byte a,byte b,byte c,byte d, byte e,byte f) { return (po->a == a && po->b == b && po->c == c && po->d == d && po->e == e && po->f == f); } // Extracts string from a single line and return index to the next value (when available) or '0' on EOL byte GetString (char *s,char *d) { byte i; i=0; while (s[i] != ')' && s[i] != 0) { if (s[i] != '(') { *d = s[i]; d++; } *d=0; i++; // Advance to next } // return ( s[i] == ')' && s[i+1] == '(' ? i+1 : 0 ); // 0 or index to next value } // Extracts float from a single line and return index to the next value (when available) or '0' on EOL byte GetFloat (char *s,char *d) { byte i; i=0; while (s[i] != ')' && s[i] != 0) { if (s[i] != '(') { if (s[i] == '*') *d=0; // Terminate on unit, but keep for reference else *d = s[i]; d++; } *d=0; i++; // Advance to next } // return ( s[i] == ')' && s[i+1] == '(' ? i+1 : 0 ); // 0 or index to next value } void callback(char* topic, byte* payload,unsigned int length) { ;// handle message arrived } void publish(char *xtopic,char *payload) { if(xtopic[0] == '/') sprintf (topic,"%s/%x%x%x",xtopic,mac[3],mac[4],mac[5]); else sprintf (topic,"/sensor/%x%x%x/%s",mac[3],mac[4],mac[5],xtopic); client.publish(topic, payload); } void setup() { int i; pinMode(2,INPUT); pinMode(A2,OUTPUT); digitalWrite(A2,1); Serial.begin(9600); UCSR0C = (UCSR0C & B11000001 ) | B00000100 | B00100000; // 7 bit even parity //for (i=0;i<5;i++) // EEPROM.write(i, mac[i]); for (i=0;i<5;i++) mac[i]=EEPROM.read(i); Serial.println(dhcpNtp); // start Ethernet and UDP if (Ethernet.begin(mac) == 0) { Serial.println("Failed to configure Ethernet using DHCP"); Ethernet.begin(mac,ip,subnet); } if (Ethernet.ntpServerIP()) { dhcpNtp = Ethernet.ntpServerIP(); } Serial.println(dhcpNtp); // Serial.print("My IP address: "); ip = Ethernet.localIP(); Ntp.begin(localPort); setSyncProvider(getNtpTime); while(timeStatus()== timeNotSet) ; // wait until the time is set by the sync provider // create unique client name based on mac address sprintf(buffer,"smarty%x%x%x",mac[3],mac[4],mac[5]); i = client.connect(buffer); ltoa (now(),scratch,10); publish("hello",scratch); bIndex = 0; datagrams = 0; } void loop() { unsigned long t = now(); int a; struct obis po; digitalWrite(A2,!digitalRead(2)); // Check for serial input if (Serial.available() > 0) { // read the incoming byte: a = Serial.read(); if (a != 0x020 || a != '\r') buffer[bIndex] = a; if (a == '\n') { buffer[bIndex]=0; if (buffer[0] == '/') { // MeterID ; } else if (buffer[0] == '!') { // End of Message // Publish our findings //long x = micros(); int i = 0; for (i=0;i<8;i++) { publish((char*)message[i],Value[i]); } datagrams++; //x = micros() - x; //sprintf(buffer,"%ld us",x); //publish("Timer/Elapsed",buffer); } else if (bIndex > 2) { //ignore empty lines int i = GetObis(buffer, &po); // 1-0:1.8.1(00180.726*kWh) powerusage1 if (CompareObis(&po,1,0,1,8,1,255)) { i = GetFloat(&buffer[i],Value[0]); //publish("Powerusage1",Value); } //1-0:1.8.2(00001.416*kWh) powerusage2 else if (CompareObis(&po,1,0,1,8,2,255)) { i = GetFloat(&buffer[i],Value[1]); //publish("Powerusage2",Value); } // 1-0:2.8.1(00000.000*kWh) else if (CompareObis(&po,1,0,2,8,1,255)) { i = GetFloat(&buffer[i],Value[2]); //publish("Powerdelivery1",Value); } // 1-0:2.8.2(00000.000*kWh) else if (CompareObis(&po,1,0,2,8,2,255)) { i = GetFloat(&buffer[i],Value[3]); //publish("Powerdelivery2",Value); } // 0-0:96.14.0(0001) else if (CompareObis(&po,0,0,96,14,0,255)) { i = GetString(&buffer[i],Value[4]); //publish("PowerTariff",Value); } // 1-0:1.7.0(0000.42*kW) else if (CompareObis(&po,1,0,1,7,0,255)) { i = GetFloat(&buffer[i],Value[5]); //publish("Powerusage",Value); } // 1-0:2.7.0(0000.00*kW) else if (CompareObis(&po,1,0,2,7,0,255)) { i = GetFloat(&buffer[i],Value[6]); //publish("Powerdelivery",Value); } // Invalid Obis returns with po.d = 0 ... else if (CompareObis(&po,255,255,255,0,255,255)) { i = GetFloat(&buffer[i],Value[7]); //publish("Gasusage",Value); } } bIndex=0; } else { if (bIndex < 64) bIndex++; } } if( t % 60 == 0 && t != pminute) { //update the display only if the time has changed pminute = t; psecond = t; ltoa (t,scratch,10); publish("timestamp", scratch); ltoa (datagrams,scratch,10); publish("datagrams", scratch); Ethernet.maintain(); } client.loop(); } unsigned long getNtpTime () { int iBytes; sendNTPpacket(dhcpNtp); // send an NTP packet to a time server // Serial.println("#1"); // wait for a reply / timeout after 10 seconds iBytes = 0; while (Ntp.parsePacket() != 48 && iBytes < 2000) { iBytes++; delay(5); } // Serial.println("#2"); if (Ntp.available() == 48) { Serial.print("time synched in "); Serial.print(iBytes*5); Serial.println(" milliseconds"); // Ntp.read(packetBuffer,8); // dump header Ntp.read(packetBuffer,NTP_PACKET_SIZE); // read the packet into the buffer // The timestamp starts at byte 40 of the received packet and is four bytes, // or two words, long. First, esxtract the two words: unsigned long highWord = word(packetBuffer[40], packetBuffer[41]); unsigned long lowWord = word(packetBuffer[42], packetBuffer[43]); // combine the four bytes (two words) into a long integer // this is NTP time (seconds since Jan 1 1900): unsigned long secsSince1900 = highWord << 16 | lowWord; const unsigned long seventyYears = 2208988800UL - timeZoneOffset; unsigned long epoch = secsSince1900 - seventyYears; return epoch; } else { //Serial.print (Ntp.available()); //Serial.println(" - No NTP packet received"); return 0; } } // send an NTP request to the time server at the given address void sendNTPpacket(IPAddress ntpServer) { // set all bytes in the buffer to 0 memset(packetBuffer, 0, NTP_PACKET_SIZE); // Initialize values needed to form NTP request // (see URL above for details on the packets) packetBuffer[0] = 0b11100011; // LI, Version, Mode packetBuffer[1] = 0; // Stratum, or type of clock packetBuffer[2] = 6; // Polling Interval packetBuffer[3] = 0xEC; // Peer Clock Precision // 8 bytes of zero for Root Delay & Root Dispersion packetBuffer[12] = 49; packetBuffer[13] = 0x4E; packetBuffer[14] = 49; packetBuffer[15] = 52; // all NTP fields have been given values, now // you can send a packet requesting a timestamp: Ntp.beginPacket(ntpServer, 123); Ntp.write( packetBuffer,NTP_PACKET_SIZE); Ntp.endPacket(); } |
P1 poort slimme meter – Data naar emonWeb.org (Arduino)
Bron: dovadi @ Github Dit is een voorbeeldscript om P1  gegevens weg te schrijven naar emonWeb.org ReadP1 Reading P1 Companion Standard …
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P1 poort slimme meter – Data naar COSM.com (Arduino)
Dit is een voorbeeldscript van “Zonnig Breda” om P1 Â gegevens weg te schrijven naar COSM.com
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#include <AltSoftSerial.h> #define maxRunTime 600000L #define UPDATE_COSM 1 #define SDLOG 0 #define STATIC 1 // set to 1 to disable DHCP (adjust myip/gwip values below) // if you don't want to use DNS (and reduce your sketch size) // use the numeric IP instead of the name for the server: #define FIXEDSERVER 1 // set to 1 to to use the numeric server #define etherPin 10 //pin to be used for the ethernet card #if UPDATE_COSM #include <EtherCard.h> #endif #if SDLOG #include <SD.h> #endif // AltSoftSerial always uses these pins: // // Board Transmit Receive PWM Unusable // ----- -------- ------- ------------ // Teensy 2.0 9 10 (none) // Teensy++ 2.0 25 4 26, 27 // Arduino Uno 9 8 10 // Arduino Mega 46 48 44, 45 // Wiring-S 5 6 4 // Sanguino 13 14 12 AltSoftSerial altSerial; //int pMode = 0; #define BUFSIZE 75 char buffer[BUFSIZE]; int bufpos = 0; int Pos = 0; #define StartChar = '/'; #define StopChar = '!'; long PowerUsage = 0; long PowerSolar = 0; float GasMeter = 0; float GasUsage = 0; long m1 = 0; long m2 = 0; long m3 = 0; long m4 = 0; bool readnextLine = false; #define MeterInterval 60000 // Send the meter values only once per 60s unsigned long previousMillis; bool sendMeter = true; #if UPDATE_COSM // change these settings to match your own setup #define APIKEY "ENTER YOUR KEY HERE" // your cosm api key #define FEED "ENTER FEED" // your feed ID #define USERAGENT "Cosm Arduino Example (62918)" // user agent is the project name // ethernet interface mac address static byte mymac[] = { 0x74,0x69,0x69,0x2D,0x30,0x36 }; #if STATIC // ethernet interface ip address static byte myip[] = { 192,168,3,160 }; // gateway ip address static byte gwip[] = { 192,168,3,1 }; //dns server static byte dnsip[] = { 8,8,8,8 }; #endif #if FIXEDSERVER static byte hisip[] = { 216,52,233,122 }; #else char website[] PROGMEM = "api.pachube.com"; #endif byte Ethernet::buffer[265]; //byte Ethernet::buffer[250]; //uint32_t timer; Stash stash; #endif #include <MemoryFree.h> void setup() { Serial.begin(9600); Serial.println(F("Energie reading Begins...")); //memory friendly altSerial.begin(9600); #if SDLOG Serial.println(F("Initializing SD card...")); // On the Ethernet Shield, CS is pin 4. It's set as an output by default. // Note that even if it's not used as the CS pin, the hardware SS pin // (10 on most Arduino boards, 53 on the Mega) must be left as an output // or the SD library functions will not work. // pinMode(10, OUTPUT); // digitalWrite(10, HIGH); // digitalWrite(4, HIGH); if (!SD.begin(4)) { Serial.println(F("initialization failed!")); return; } #endif checkmem(); #if UPDATE_COSM netsetup(); #endif checkmem(); } void loop() { // forced realod after 10 min run time impl if(millis() > maxRunTime ) { softReset(); } #if UPDATE_COSM ether.packetLoop(ether.packetReceive()); // int tt = ether.packetLoop(ether.packetReceive()); // if (tt) Serial.println (tt); #endif if (millis() > (previousMillis + MeterInterval) ) { sendMeter = true ; previousMillis = millis(); } char c; if (Serial.available()) { c = Serial.read(); } if (altSerial.available()) { c = altSerial.peek(); if (c == '/' ){ //StartChar){ checkmem(); } // we've loaded a line. Now parse the values if (read2Line()){ Serial.print(buffer); long tl = 0; long tld =0; if (sendMeter) { //Meter //1-0:1.8.1(00391.000*kWh) if (sscanf(buffer,"1-0:1.8.1(%ld%.%ld%*s" , &tl, &tld) >0 ) //) { m1 = tl * 1000 + tld;} if (sscanf(buffer,"1-0:1.8.2(%ld%.%ld%*s" , &tl, &tld) >0 ) //) { m2 = tl * 1000 + tld;} if (sscanf(buffer,"1-0:2.8.1(%ld%.%ld%*s" , &tl, &tld) >0 ) //) { m3 = tl * 1000 + tld;} if (sscanf(buffer,"1-0:2.8.2(%ld%.%ld%*s" , &tl, &tld) >0 ) //) { m4 = tl * 1000 + tld;} } //sendmeter if (readnextLine){ if (sscanf(buffer,"(%ld.%ld%*s" , &tl, &tld) >0 ) { //) //(00127.969) GasMeter = float ( tl * 1000 + tld ) / 1000 ; //(00127.969) readnextLine = false; }} //gas 0-1:24.3.0 if (sscanf(buffer,"0-1:24.3.0(%6ld%4ld%*s" , &tl, &tld) > 0 ) { //) Serial.print (F("Gasreading time ")); Serial.print (tl) ; Serial.print (F("-")); Serial.println (tld) ; readnextLine = true; } // Consumption if (sscanf(buffer,"1-0:1.7.0(%ld.%ld%*s" , &tl , &tld) >0 ) //) { PowerUsage = tl * 1000 + tld * 10;} // Supply // 1-0:2.7.0(0000.00*kW) if (sscanf(buffer,"1-0:2.7.0(%ld.%ld%*s" , &tl , &tld) >0 ) //) { PowerSolar = tl * 1000 + tld * 10;} //we're done if (buffer[0] == '!' ) { checkmem(); GasUsage = GasMeter; printData(); checkmem(); #if UPDATE_COSM // SendData (GasUsage,PowerUsage,PowerSolar); SendData(); #endif if (sendMeter){ #if UPDATE_COSM // SendDataM (GasMeter,m1,m2,m3,m4); SendDataM (); #endif sendMeter = false; } checkmem(); #if SDLOG // SaveData(GasUsage,PowerUsage,PowerSolar); SaveData(); #endif checkmem(); } } } } void printData(){ Serial.print(F("Power : ")); Serial.println(PowerUsage); Serial.print(F("PowerSolar : ")); Serial.println(PowerSolar); Serial.print(F("GAS : ")); Serial.println(GasUsage,3 ); Serial.println(F("*Meters*")); Serial.println(m1); Serial.println(m2); Serial.println(m3); Serial.println(m4); } void checkmem(){ Serial.print(F("FreeMemory()=")); Serial.println(freeMemory()); } /* float ConvertStr(String TheNumber){ char bufx[TheNumber.length()+2]; TheNumber.toCharArray(bufx,TheNumber.length()+1); return float(atof(bufx)); } */ bool read2Line() { char c; // bufpos = 0; // buffer[0] = '\0'; c = altSerial.read(); if (bufpos + 1 < BUFSIZE) { buffer[bufpos] = c&127; bufpos++; } else { // return the partial line Serial.println(F("************************")); Serial.println(F("**Readline Buffer Full**")); Serial.println(F("************************")); buffer[bufpos] = '\0'; bufpos = 0; return true; } if (c == '\n'){ buffer[bufpos] = '\0'; bufpos = 0; return true; } else return false; } #if UPDATE_COSM void netsetup(){ Serial.println(F("\n[webClient]")); if (ether.begin(sizeof Ethernet::buffer, mymac,etherPin) == 0) Serial.println(F("Failed to access Ethernet controller")); #if STATIC ether.staticSetup(myip, gwip); // use the GoogleDNS ether.copyIp(ether.dnsip, dnsip); #else if (!ether.dhcpSetup()) Serial.println(F("DHCP failed")); #endif ether.printIp("IP: ", ether.myip); ether.printIp("GW: ", ether.gwip); ether.printIp("DNS: ", ether.dnsip); #if FIXEDSERVER ether.copyIp(ether.hisip, hisip); #else if (!ether.dnsLookup(website)) Serial.println(F("DNS failed")); #endif ether.printIp("SRV: ", ether.hisip); } #endif #if UPDATE_COSM void SendData(){ // by using a separate stash, // we can determine the size of the generated message ahead of time byte sd = stash.create(); stash.print("G,"); stash.println(GasUsage,3); stash.print("P,"); stash.println(PowerUsage); stash.print("S,"); stash.println(PowerSolar); stash.save(); checkmem(); // generate the header with payload - note that the stash size is used, // and that a "stash descriptor" is passed in as argument using "$H" // Stash::prepare(PSTR("PUT http://$F/v2/feeds/$F.csv HTTP/1.0" "\r\n" Stash::prepare(PSTR("PUT /v2/feeds/$F.csv HTTP/1.0" "\r\n" "Host: api.pachube.com" "\r\n" "X-PachubeApiKey: $F" "\r\n" "Content-Length: $D" "\r\n" "\r\n" "$H"), // website, PSTR(FEED), website, PSTR(APIKEY), stash.size(), sd); PSTR(FEED), PSTR(APIKEY), stash.size(), sd); checkmem(); // send the packet - this also releases all stash buffers once done ether.tcpSend(); checkmem(); } #endif #if UPDATE_COSM void SendDataM(){ // by using a separate stash, // we can determine the size of the generated message ahead of time byte sd = stash.create(); if (GasMeter != 0){ stash.print("GM,"); stash.println(GasMeter,3); } m1 = m1+2; stash.print("m1,"); stash.println(float (m1/1000),3); stash.print("m2,"); stash.println(float (m2/1000),3); stash.print("m3,"); stash.println(float (m3/1000),3); stash.print("m4,"); stash.println(float (m4/1000),3); stash.save(); // generate the header with payload - note that the stash size is used, // and that a "stash descriptor" is passed in as argument using "$H" // Stash::prepare(PSTR("PUT http://$F/v2/feeds/$F.csv HTTP/1.0" "\r\n" Stash::prepare(PSTR("PUT /v2/feeds/$F.csv HTTP/1.0" "\r\n" "Host: api.pachube.com" "\r\n" "X-PachubeApiKey: $F" "\r\n" "Content-Length: $D" "\r\n" "\r\n" "$H"), // website, PSTR(FEED), website, PSTR(APIKEY), stash.size(), sd); PSTR(FEED), PSTR(APIKEY), stash.size(), sd); // send the packet - this also releases all stash buffers once done // Serial.print("sending Size : "); // Serial.print(stash.size()); if (( stash.size() <= 0) || (stash.size() > 400 )){ } else{ ether.tcpSend(); } } #endif #if SDLOG //void SaveData(float value1, long value2 ,long value3){ void SaveData(){ char dataString[30]=""; checkmem(); sprintf (dataString,"%ld,%ld,%ld,%ld",millis(),long(GasMeter/1000),PowerUsage,PowerSolar); /* // open the file. note that only one file can be open at a time, // so you have to close this one before opening another. */ checkmem(); Serial.println(dataString); checkmem(); File dataFile = SD.open("datalog.txt", FILE_WRITE); checkmem(); // if the file is available, write to it: if (dataFile) { dataFile.println(dataString); dataFile.close(); // print to the serial port too: } // if the file isn't open, pop up an error: else { Serial.println(F("error opening datalog.txt")); } checkmem(); } #endif /* char *ftoa(char *a, double f, int precision) { long p[] = {0,10,100,1000,10000,100000,1000000,10000000,100000000}; char *ret = a; long heiltal = (long)f; itoa(heiltal, a, 10); while (*a != '\0') a++; *a++ = '.'; long desimal = abs((long)((f - heiltal) * p[precision])); itoa(desimal, a, 10); return ret; } */ // soft reset implementation function void softReset() { asm volatile (" jmp 0"); } |
P1 poort slimme meter (hardware)
Wat is een P1 poort? De P1 poort is een seriele poort (is optioneel) op je digitale elektra meter waarin …