edf.ino

#include <SoftwareSerial.h>

char inChar;
String data = "";

SoftwareSerial teleInfo(2, 3);
int watts;

void setup() {
	Serial.begin(9600);
	teleInfo.begin(1200);
	delay(1000);
}

void loop() {
	if (teleInfo.available()) {
		inChar = teleInfo.read() & 0x7F;
		if (inChar == '\n') {
			int current = getIINST();
			if (current > 0) {
				watts = current * 230;
				Serial.print("Watts: ");
				Serial.println(watts);
			}
		}
		else {
			data += inChar;
		}
	}
}

int getIINST() {
	int iinst = -1;
	// check if line is at least 39 chars long
	if(data.indexOf("IINST1") > 0 && data.indexOf("IINST2") > 0 && data.indexOf("IINST3") > 0) {
		String line = data.substring(data.indexOf("IINST1"), data.indexOf("IINST3")+10);
		Serial.print("Ligne recue du compteur: ");
		Serial.println(line);
		// should print something like this
		//IINST1 002  3IINST2 012  6IINST3 006
		int iinst1 = line.substring(7,10).toInt();
		int iinst2 = line.substring(21,24).toInt();
		int iinst3 = line.substring(35,39).toInt();
		Serial.print("IINST1: ");
		Serial.println(iinst1);
		Serial.print("IINST2: ");
		Serial.println(iinst2);
		Serial.print("IINST3: ");
		Serial.println(iinst3);
		iinst = iinst1 + iinst2 + iinst3;
		Serial.print("Total: ");
		Serial.println(iinst);
	}
        else {
               Serial.println("No iinst found");
        }
	data = "";
	return iinst;
}