The closer you look, the less you see!
Dit is een python voorbeeldscript om een P1 poort uit te lezen met een raspberry pi en serial <> USB interface en data via MQTT te verzenden naar Node-Red. Zet onderstaand script in de Raspberry Pi home folder en maak …
P1 poort slimme meter – Data naar Node-Red (MQTT) Lees meer »
Er zijn talloze scripts op het internet te vinden om “eenvoudig” telegrammen uit te lezen afkomstig van de P1 poort, maar je stuit al gauw of de diversiteit van de DSMR versie, instellingen en inhooud, hieronder is mijn DSRM 2.x …
P1 poort slimme meter – Telegram uitlezen met Python Lees meer »
Bron: jantenhove @ Github 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 Install the ESP8266 SoftSerial …
P1 poort slimme meter – Data naar Domoticz (ESP8266) Lees meer »
Bron: woutertp1Â @ Github Smart-meter-P1 ============== Readout of Dutch smart meter P1-port using Arduino and logging to EmonCMS. What do you need? —————– * Any Arduino, although a Duemilanove might not work due to high memory usage(>16k) * A RJ11 cable …
P1 poort slimme meter – Data naar EmonCMS (Arduino) Lees meer »
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(); } |
Bron: dovadi @ Github Dit is een voorbeeldscript om P1  gegevens weg te schrijven naar emonWeb.org ReadP1 Reading P1 Companion Standard of Dutch Smart Meter through external RX with an Arduino (or in my case a Nanode 5) and relay data …
P1 poort slimme meter – Data naar emonWeb.org (Arduino) Lees meer »
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"); } |
Wat is een P1 poort? De P1 poort is een seriele poort (is optioneel) op je digitale elektra meter waarin je een RJ (Registered Jack) stekkertje kan steken (bekend van de telefoonaansluitingen) om zo de meterstanden en het verbruik uit …
Diverse naslagwerken en handleidingen gevonden op internet. Plugwise handleidingen [#/plugwise/naslagwerken-en-handleidingen” ]
Voor modules met firmwareversie 2011-05-13 Haal de Circle uit het stopcontact en plaats deze terug. Schakelt deze pas na enkele seconden in (te horen aan het klik-geluid)? Dan is er geen netwerk toegewezen aan de module en hoeft de Circle …
Plugwise – Circles toevoegen aan de huidige set-up Lees meer »