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@koffienl
Created February 16, 2016 20:43
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interrupt pulse counter
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>
const char* ssid = "xx";
const char* password = "xx.com";
ESP8266WebServer server(80);
// http://www.engineerathome.com/elektronica/meet+je+energieverbruik+met+arduino/9
// STROOM
const int Stroom_C = 1000; // meetconstante elektra, 375 rondjes per kWh
const int drempelStroom = 1000; // drempelwaarde stroomsensor
int sensorStroom = 0; // waarde van de LDR
boolean pulseStroom = false; // puls gedetecteerd stroom
unsigned long pulseCountS = 0; // pulsenteller Stroom
unsigned long prevMillisS = 0; // onthoud starttijd Stroom
unsigned long pulseTimeS = 0; // tijd die 1 puls duurt Stroom
int curWatts = 0; // berekende huidige verbruik in Watt
int totalWh = 0; // totaal aantal Wh
int ADC;
int pulseCount;
void setup() {
Serial.begin(115200);
delay(500);
WiFi.begin(ssid, password);
Serial.println("");
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.print("Connected to ");
Serial.println(ssid);
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
server.on("/", handleRoot);
server.onNotFound(handleNotFound);
server.begin();
Serial.println("HTTP server started");
pinMode(13, INPUT);
attachInterrupt(13, handle_interrupt, FALLING);
}
void loop() {
server.handleClient();
/*
sensorStroom = analogRead(A0);
if (sensorStroom > drempelStroom)
{
pulseStroom = true;
}
if (sensorStroom < drempelStroom && pulseStroom)
{
pulseStroom = false;
pulseCountS++;
pulseTimeS = (millis() - prevMillisS);
prevMillisS = millis();
curWatts = (( 3600000 / Stroom_C ) * 1000 ) / pulseTimeS;
totalWh = (pulseCountS * 1000) / Stroom_C; // LET OP Wh!
Serial.print("curWatts: ");
Serial.println(curWatts);
Serial.print("totalWh: ");
Serial.println(totalWh);
Serial.print("pulsen tot nu toe: ");
Serial.println(pulseCountS);
}
//delay(500);
yield();
*/
}
void handleRoot() {
String page = "curWatts: " + String(curWatts) + "<br>";
page += "totalWh: " + String(totalWh) + "<br>";
page+= "pulseCountS: " + String(pulseCountS) + "<br>";
server.send(200, "text/plain", page);
}
void handleNotFound(){
String message = "File Not Found\n\n";
message += "URI: ";
message += server.uri();
message += "\nMethod: ";
message += (server.method() == HTTP_GET)?"GET":"POST";
message += "\nArguments: ";
message += server.args();
message += "\n";
for (uint8_t i=0; i<server.args(); i++){
message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
}
server.send(404, "text/plain", message);
}
void handle_interrupt()
{
//Serial.println("ik detecteer een interrupt!");
//pulseStroom = false;
pulseCountS++;
pulseTimeS = (millis() - prevMillisS);
prevMillisS = millis();
//curWatts = (( 3600000 / Stroom_C ) * 1000 ) / pulseTimeS;
curWatts = (( 3600000 / Stroom_C ) * 1000 );
totalWh = (pulseCountS * 1000) / Stroom_C; // LET OP Wh!
Serial.print("curWatts: ");
Serial.println(curWatts);
Serial.print("totalWh: ");
Serial.println(totalWh);
Serial.print("pulsen tot nu toe: ");
Serial.println(pulseCountS);
}
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