Initial code commit
This commit is contained in:
Jan ten Hove
commit
32b4547d3f
|
|
@ -0,0 +1,28 @@
|
|||
#ifndef CRC16_H
|
||||
#define CRC16_H
|
||||
|
||||
#if defined(ARDUINO) && ARDUINO >= 100
|
||||
#include "Arduino.h"
|
||||
#else
|
||||
#include "WProgram.h"
|
||||
#endif
|
||||
|
||||
unsigned int CRC16(unsigned int crc, unsigned char *buf, int len)
|
||||
{
|
||||
for (int pos = 0; pos < len; pos++)
|
||||
{
|
||||
crc ^= (unsigned int)buf[pos]; // XOR byte into least sig. byte of crc
|
||||
|
||||
for (int i = 8; i != 0; i--) { // Loop over each bit
|
||||
if ((crc & 0x0001) != 0) { // If the LSB is set
|
||||
crc >>= 1; // Shift right and XOR 0xA001
|
||||
crc ^= 0xA001;
|
||||
}
|
||||
else // Else LSB is not set
|
||||
crc >>= 1; // Just shift right
|
||||
}
|
||||
}
|
||||
|
||||
return crc;
|
||||
}
|
||||
#endif
|
||||
|
|
@ -0,0 +1,300 @@
|
|||
#include <TimeLib.h>
|
||||
#include <SoftwareSerial.h>
|
||||
#include <ESP8266WiFi.h>
|
||||
#include <ESP8266mDNS.h>
|
||||
#include <ESP8266HTTPClient.h>
|
||||
#include <WiFiUdp.h>
|
||||
#include <ArduinoOTA.h>
|
||||
#include "CRC16.h"
|
||||
|
||||
//===Change values from here===
|
||||
const char* ssid = "WIFISSID";
|
||||
const char* password = "PASSWORD";
|
||||
const char* hostName = "ESPP1Meter";
|
||||
const char* domoticzIP = "192.168.1.35";
|
||||
const int domoticzPort = 8090;
|
||||
const int domoticzGasIdx = 291;
|
||||
const int domoticzEneryIdx = 294;
|
||||
const bool outputOnSerial = true;
|
||||
//===Change values to here===
|
||||
|
||||
// Vars to store meter readings
|
||||
long mEVLT = 0; //Meter reading Electrics - consumption low tariff
|
||||
long mEVHT = 0; //Meter reading Electrics - consumption high tariff
|
||||
long mEOLT = 0; //Meter reading Electrics - return low tariff
|
||||
long mEOHT = 0; //Meter reading Electrics - return high tariff
|
||||
long mEAV = 0; //Meter reading Electrics - Actual consumption
|
||||
long mEAT = 0; //Meter reading Electrics - Actual return
|
||||
long mGAS = 0; //Meter reading Gas
|
||||
long prevGAS = 0;
|
||||
|
||||
|
||||
#define MAXLINELENGTH 64 // longest normal line is 47 char (+3 for \r\n\0)
|
||||
char telegram[MAXLINELENGTH];
|
||||
|
||||
#define SERIAL_RX D5 // pin for SoftwareSerial RX
|
||||
SoftwareSerial mySerial(SERIAL_RX, -1, true, MAXLINELENGTH); // (RX, TX. inverted, buffer)
|
||||
|
||||
unsigned int currentCRC=0;
|
||||
|
||||
void SendToDomoLog(char* message)
|
||||
{
|
||||
char url[512];
|
||||
sprintf(url, "http://%s:%d/json.htm?type=command¶m=addlogmessage&message=%s", domoticzIP, domoticzPort, message);
|
||||
}
|
||||
|
||||
void setup() {
|
||||
Serial.begin(115200);
|
||||
Serial.println("Booting");
|
||||
WiFi.mode(WIFI_STA);
|
||||
WiFi.begin(ssid, password);
|
||||
|
||||
while (WiFi.waitForConnectResult() != WL_CONNECTED) {
|
||||
Serial.println("Connection Failed! Rebooting...");
|
||||
delay(5000);
|
||||
ESP.restart();
|
||||
}
|
||||
mySerial.begin(115200);
|
||||
|
||||
// Port defaults to 8266
|
||||
// ArduinoOTA.setPort(8266);
|
||||
|
||||
// Hostname defaults to esp8266-[ChipID]
|
||||
ArduinoOTA.setHostname(hostName);
|
||||
|
||||
// No authentication by default
|
||||
// ArduinoOTA.setPassword((const char *)"123");
|
||||
|
||||
ArduinoOTA.onStart([]() {
|
||||
Serial.println("Start");
|
||||
});
|
||||
ArduinoOTA.onEnd([]() {
|
||||
Serial.println("\nEnd");
|
||||
});
|
||||
ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
|
||||
Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
|
||||
});
|
||||
ArduinoOTA.onError([](ota_error_t error) {
|
||||
Serial.printf("Error[%u]: ", error);
|
||||
if (error == OTA_AUTH_ERROR) Serial.println("Auth Failed");
|
||||
else if (error == OTA_BEGIN_ERROR) Serial.println("Begin Failed");
|
||||
else if (error == OTA_CONNECT_ERROR) Serial.println("Connect Failed");
|
||||
else if (error == OTA_RECEIVE_ERROR) Serial.println("Receive Failed");
|
||||
else if (error == OTA_END_ERROR) Serial.println("End Failed");
|
||||
});
|
||||
ArduinoOTA.begin();
|
||||
Serial.println("Ready");
|
||||
Serial.print("IP address: ");
|
||||
Serial.println(WiFi.localIP());
|
||||
}
|
||||
|
||||
|
||||
bool SendToDomo(int idx, int nValue, char* sValue)
|
||||
{
|
||||
HTTPClient http;
|
||||
bool retVal = false;
|
||||
char url[255];
|
||||
sprintf(url, "http://%s:%d/json.htm?type=command¶m=udevice&idx=%d&nvalue=%d&svalue=%s", domoticzIP, domoticzPort, idx, nValue, sValue);
|
||||
Serial.printf("[HTTP] GET... URL: %s\n",url);
|
||||
http.begin(url); //HTTP
|
||||
int httpCode = http.GET();
|
||||
// httpCode will be negative on error
|
||||
if (httpCode > 0)
|
||||
{ // HTTP header has been send and Server response header has been handled
|
||||
Serial.printf("[HTTP] GET... code: %d\n", httpCode);
|
||||
|
||||
// file found at server
|
||||
if (httpCode == HTTP_CODE_OK) {
|
||||
String payload = http.getString();
|
||||
retVal = true;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
Serial.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
|
||||
}
|
||||
http.end();
|
||||
return retVal;
|
||||
}
|
||||
|
||||
|
||||
|
||||
void UpdateGas()
|
||||
{
|
||||
//sends over the gas setting to domoticz
|
||||
if(prevGAS!=mGAS)
|
||||
{
|
||||
char sValue[10];
|
||||
sprintf(sValue, "%d", mGAS);
|
||||
if(SendToDomo(domoticzGasIdx, 0, sValue))
|
||||
prevGAS=mGAS;
|
||||
}
|
||||
}
|
||||
|
||||
void UpdateElectricity()
|
||||
{
|
||||
char sValue[255];
|
||||
sprintf(sValue, "%d;%d;%d;%d;%d;%d", mEVLT, mEVHT, mEOLT, mEOHT, mEAV, mEAT);
|
||||
SendToDomo(domoticzEneryIdx, 0, sValue);
|
||||
}
|
||||
|
||||
|
||||
bool isNumber(char* res, int len) {
|
||||
for (int i = 0; i < len; i++) {
|
||||
if (((res[i] < '0') || (res[i] > '9')) && (res[i] != '.' && res[i] != 0)) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
int FindCharInArrayRev(char array[], char c, int len) {
|
||||
for (int i = len - 1; i >= 0; i--) {
|
||||
if (array[i] == c) {
|
||||
return i;
|
||||
}
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
long getValidVal(long valNew, long valOld, long maxDiffer)
|
||||
{
|
||||
//check if the incoming value is valid
|
||||
if(valOld > 0 && ((valNew - valOld > maxDiffer) && (valOld - valNew > maxDiffer)))
|
||||
return valOld;
|
||||
return valNew;
|
||||
}
|
||||
|
||||
long getValue(char* buffer, int maxlen) {
|
||||
int s = FindCharInArrayRev(buffer, '(', maxlen - 2);
|
||||
if (s < 8) return 0;
|
||||
if (s > 32) s = 32;
|
||||
int l = FindCharInArrayRev(buffer, '*', maxlen - 2) - s - 1;
|
||||
if (l < 4) return 0;
|
||||
if (l > 12) return 0;
|
||||
char res[16];
|
||||
memset(res, 0, sizeof(res));
|
||||
|
||||
if (strncpy(res, buffer + s + 1, l)) {
|
||||
if (isNumber(res, l)) {
|
||||
return (1000 * atof(res));
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
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)
|
||||
{
|
||||
//start found. Reset CRC calculation
|
||||
currentCRC=CRC16(0x0000,(unsigned char *) telegram+startChar, len-startChar);
|
||||
if(outputOnSerial)
|
||||
{
|
||||
for(int cnt=startChar; cnt<len-startChar;cnt++)
|
||||
Serial.print(telegram[cnt]);
|
||||
}
|
||||
//Serial.println("Start found!");
|
||||
|
||||
}
|
||||
else if(endChar>=0)
|
||||
{
|
||||
//add to crc calc
|
||||
currentCRC=CRC16(currentCRC,(unsigned char*)telegram+endChar, 1);
|
||||
char messageCRC[4];
|
||||
strncpy(messageCRC, telegram + endChar + 1, 4);
|
||||
if(outputOnSerial)
|
||||
{
|
||||
for(int cnt=0; cnt<len;cnt++)
|
||||
Serial.print(telegram[cnt]);
|
||||
}
|
||||
validCRCFound = (strtol(messageCRC, NULL, 16) == currentCRC);
|
||||
if(validCRCFound)
|
||||
Serial.println("\nVALID CRC FOUND!");
|
||||
else
|
||||
Serial.println("\n===INVALID CRC FOUND!===");
|
||||
currentCRC = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
currentCRC=CRC16(currentCRC, (unsigned char*)telegram, len);
|
||||
if(outputOnSerial)
|
||||
{
|
||||
for(int cnt=0; cnt<len;cnt++)
|
||||
Serial.print(telegram[cnt]);
|
||||
}
|
||||
}
|
||||
|
||||
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);
|
||||
|
||||
|
||||
// 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)
|
||||
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)
|
||||
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)
|
||||
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)
|
||||
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)
|
||||
mGAS = getValue(telegram, len);
|
||||
|
||||
return validCRCFound;
|
||||
}
|
||||
|
||||
void readTelegram() {
|
||||
if (mySerial.available()) {
|
||||
memset(telegram, 0, sizeof(telegram));
|
||||
while (mySerial.available()) {
|
||||
int len = mySerial.readBytesUntil('\n', telegram, MAXLINELENGTH);
|
||||
telegram[len] = '\n';
|
||||
telegram[len+1] = 0;
|
||||
yield();
|
||||
if(decodeTelegram(len+1))
|
||||
{
|
||||
UpdateElectricity();
|
||||
UpdateGas();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
void loop() {
|
||||
readTelegram();
|
||||
ArduinoOTA.handle();
|
||||
}
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue